TECHNICAL & SERVICE MANUAL
STB0810C1 STB0811C1
STB1010C1 STB1023C1
STB1020C1 STB1123C1
STB1220C1 STB0823H1
FILE NO.
Destination: U.S.A.
SANYO 26˝ THROUGH THE WALL
AIR CONDITIONERS & HEAT PUMP
COOLING ONLY MODEL
Model No.
COOLING & ELECTRIC HEATING MODEL
Product Code No.
1 851 005 66
1 851 005 65
1 851 005 68
1 851 005 67
Model No.
Product Code No.
1 851 005 69
1 851 005 51
1 851 005 70
STB0810C1–S
STB1010C1–S
STB1020C1–S
STB1220C1–S
STB0811C1–S
STB1023C1–S
STB1123C1–S
HEAT PUMP MODEL
Model No.
Product Code No.
1 851 005 52
STB0823H1–S
STB0810C1
STB0811C1
STB1023C1
STB1123C1
STB0823H1
STB1010C1
STB1020C1
STB1220C1
REFERENCE NO. SM700487
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HOW TO USE THIS MANUAL
This manual is designed to help service personnel to understand basic functions, operation and possible troubles
and their remedies on SANYO 26˝ Through The Wall Air Conditioner. You can use this manual both as a reference
to find specific information about the capacity, construction of the unit, and as a source of information to help you
set up and maintain the air conditioner. Please use this manual to make your work easier, keep the air conditioner
functioning well, and keep your customer satisfied.
Please read IMPORTANT ! precautional information on the previous page before you start actual work.
SANYO 26˝ THROUGH THE WALL A/C MODEL IDENTIFICATION
SANYO 26˝ Through The Wall Air Conditioner is identified by a model number. Cooling or heating capacity,
electrical information and special features included on the air conditioner are indicated on the model number.
Example
STB 1 0 2 3 C 1
Development Flag
Type
STB : SANYO 26˝ Thru the wall
Type
C : Cooling H : Heat Pump
Capacity
Electric Heater Size
0 : No Electric Heater
1 : 1.2 kW
08 : 8,000 BTU/h class
10 : 10,000 BTU/h class
11 : 11,000 BTU/h class
12 : 12,000 BTU/h class
3 : 3.4 kW
Power Supply
1 : 60Hz 115 V
2 : 60Hz 230 / 208 V
NOTE
To identify the correct model number of your air conditioner, you must find the nameplate.
The name plate is usually located in front of electric component box (behind the grille).
First, remove the grille to access the electric component box.
ii
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Table of Contents
Page
1. OPERATING RANGE ............................................................................................................................... 1
2. SPECIFICATIONS
2-1. Unit Specifications.......................................................................................................................... 2
2-2. Major Component Specifications ................................................................................................... 4
2-3. Other Component Specifications.................................................................................................... 6
3. DIMENSIONAL DATA............................................................................................................................... 7
4. REFRIGERANT FLOW DIAGRAM .......................................................................................................... 8
5. PERFORMANCE DATA
5-1. Cooling Capacity ........................................................................................................................... 9
5-2. Heating Capacity ........................................................................................................................... 17
6. ELECTRICAL DATA
6-1. Electrical Characteristics ............................................................................................................... 18
6-2. Electrical Wiring Diagrams ............................................................................................................ 21
6-3. P.C.B. Ass'y (Printed Pattern) ........................................................................................................ 27
7. TROUBLESHOOTING
7-1. Check before and after troubleshooting ........................................................................................ 28
7-2. Air conditioner does not operate .................................................................................................... 29
7-3. Some part of air conditioner does not operate .............................................................................. 31
7-4. Air conditioner operates, but abnormalities are observed ............................................................. 33
7-5. If a sensor is defective ................................................................................................................... 34
8. CHECKING ELECTRICAL COMPONENTS
8-1. Measurement of Insulation Resistance .......................................................................................... 35
8-2. Checking Motor Capacitor.............................................................................................................. 36
8-3. Checking Fan Motor Winding ......................................................................................................... 36
8-4. Checking Compressor Motor Winding............................................................................................ 36
8-5. Checking Thermistor ...................................................................................................................... 36
9. DISASSEMBLY PROCEDURE
9-1. Removing Front Grille..................................................................................................................... 37
9-2. Removing Wall Sleeve ................................................................................................................... 37
9-3. Removing Electrical Component Box............................................................................................. 37
9-4. Removing Electric Heater............................................................................................................... 38
9-5. Removing Blower Wheel ................................................................................................................ 39
9-6. Removing Evaporator..................................................................................................................... 39
9-7. Removing Condenser..................................................................................................................... 40
9-8. Removing Propeller Fan................................................................................................................. 40
9-9. Removing Fan Motor...................................................................................................................... 41
10.FUNCTION
10-1. Room temperature Control ............................................................................................................ 42
10-2. Defrosting Operation (Heating)....................................................................................................... 45
APPENDIX
.................................................................................................................................................. 46
iii
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1. OPERATING RANGE
■ COOLING ONLY MODEL
Models
STB0810C1 STB1010C1
STB1020C1
STB1220C1
Temperature
Maximum
Indoor Air Intake Temp.
95°F D.B. / 71°F W.B.
67°F D.B. / 57°F W.B.
Outdoor Air Intake Temp.
115°F D.B.
Cooling
Minimum
67°F D.B.
■ COOLING & ELECTRIC HEATING MODEL
Models
STB0811C1 STB1023C1
STB1123C1
Temperature
Maximum
Minimum
Indoor Air Intake Temp.
95°F D.B. / 71°F W.B.
67°F D.B. / 57°F W.B.
80°F D.B. / 67°F W.B.
— D.B. / — W.B.
Outdoor Air Intake Temp.
115°F D.B.
Cooling
Heating
67°F D.B.
Maximum
Minimum
■ HEAT PUMP MODEL
Model
STB0823H1
Temperature
Indoor Air Intake Temp.
95°F D.B. / 71°F W.B.
67°F D.B. / 57°F W.B.
80°F D.B. / 67°F W.B.
— D.B. / — W.B.
Outdoor Air Intake Temp.
115°F D.B.
Maximum
Minimum
Maximum
Minimum
Cooling
Heating
67°F D.B.
75°F D.B. / 65°F W.B.
17°F D.B. / 15°F W.B.
1
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2. SPECIFICATIONS
2-1. Unit Specifications
Models STB0810C1 STB1010C1
STB1020C1 STB1220C1
Model Number
Voltage (V)
STB0810C1
STB1010C1
STB1020C1
STB1220C1
115
115
230 / 208
230 / 208
Performance
Cooling Capacity
Air Flow....Hi
COOLING
BTU/h
CFM (CMM)
Pints/h
8,200
270 (7.65)
2.0
10,200
270 (7.65)
2.7
9,700 / 9,500 11,500 / 11,300
270 (7.65)
2.6
270 (7.65)
3.2
Dihumidification
Electrical Rating
Available voltage range
V
104 ~ 126
253 ~ 187
Cooling
Amperes
Watts
A
8.3
940
98
10.6
1,200
98
5.0 / 5.3
6.1 / 6.6
W
1,140 / 1,110 1,350 / 1,330
Power factor
EER
%
99 / 100
8.5 / 8.5
30
96 / 97
8.5 / 8.5
34
BTU/hW
8.7
8.5
Starting amperes
A
A
43
53
Recommeded Circuit Protection
Plug Type
15
15
15
15
Parallel
Parallel
Tandem
Tandem
Features
Controls / Temperature control
Control unit
Mechanical / Thermostat
Timer
Fan speeds
2
2
2
2
Airflow direction (Indoor)
Horizontal
Vertical
Manual
Manual
Washable
Yes
Air filter
Air exhaust
Compressor
Rotary (Hermetic)
28.2 23.3
Capillary tube
R22-Amount charged at shipment
Refrigerant control
OZ
20.1
28.2
Operation sound
Indoor : Hi / Lo
dB-A
dB-A
57 / 55
63 / 60
60 / 57
60 / 57
68 / 64
60 / 57
68 / 64
Outdoor : Hi / Lo
68 / 64
Dimensions & Weight
Unit dimensions
Height
Width
Depth
In
In
15-3/4
25-15/16
21-1/2
(Refer to page 7)
In
Package dimensions Height
In
18-5/16
29-1/8
Width
Depth
In
In
24-11/16
Weight
Net
lbs
lbs
Cuft
82
93
90
89
93
Shipping
101
100
104
Shipping volume
7.62
DATA SUBJECT TO CHANGE WITHOUT NOTICE.
Remarks: Rating conditions are:
Cooling : Indoor air temperature
80°F D.B. / 67°F W.B. Heating : Indoor air temperature
70°F D.B.
Outdoor air temperature 95°F D.B. / 75°F W.B.
Outdoor air temperature 47°F D.B. / 43°F W.B.
Tandem
230/208V
15AMP
Perpendicular
230/208V
20AMP
Parallele
115V
15AMP
Wall Receptacles
Wall Sleeve Dimension
2
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Models STB0811C1 STB1023C1
STB1123C1 STB0823H1
Model Number
Voltage (V)
STB0811C1
STB1023C1
STB1123C1
STB0823H1
230 / 208
115
230 / 208
230 / 208
Performance
COOLING & ELECTRIC HEATING
HEAT PUMP
Cooling Capacity
Heat pump Capacity
Electric Heating Capacity
Air Flow....Hi
BTU/h
BTU/h
8,000
—
9,500 / 9,300 11,300 / 11,000 8,000 / 7,800
7,500 / 7,400
11,250 / 9,200 11,250 / 9,200 11,250 / 9,200
—
—
BTU/h
4,040
250 (7.08)
2.0
CFM (CMM)
Pints/h
250 (7.08)
2.6
250 (7.08)
3.2
250 (7.08)
2.0
Dihumidification
Electrical Rating
Available voltage range
V
104 ~ 126
8.3
253 ~ 187
6.0 / 6.5
Cooling
Amperes
Watts
A
5.0 / 5.3
4.2 / 4.5
940 / 920
97 / 98
W
920
96
1,120 / 1,090 1,330 / 1,310
Power factor
EER
%
97 / 99
96 / 97
BTU/hW
8.7
8.5 / 8.5
8.5 / 8.5
8.5 / 8.5
25
Starting amperes
Heat pump
A
A
43
30
34
Amperes
Watts
—
—
—
4.0 / 4.3
880 / 870
2.5 / 2.5
15.5 / 14.2
3,550 / 2,930
3.4
W
—
—
—
—
COP
W / W
A
—
—
15.5 / 14.2
3,550 / 2,930
3.4
Electric Heater
Amperes
Watts
12.0
1,350
1.22
15
15.5 / 14.2
3,550 / 2,930
3.4
W
Element
kW
A
Recommeded Circuit Protection
Plug Type
20
20
20
Parallel
Perpendicular
Features
Controls / Temperature control
Control unit
Mechanical / Thermostat
Timer
Fan speeds
2
2
2
2
Airflow direction (Indoor)
Horizontal
Vertical
Manual
Manual
Washable
Yes
Air filter
Air exhaust
Compressor
Rotary (Hermetic)
23.3 27.2
R22-Amount charged at shipment
Refrigerant control
OZ
20.1
28.2
3
Capillary tube
60 / 56
Operation sound
Indoor : Hi / Lo
dB-A
dB-A
57 / 55
64 / 61
60 / 56
68 / 62
57 / 55
64 / 61
Outdoor : Hi / Lo
68 / 62
Dimensions & Weight
Unit dimensions
Height
Width
Depth
In
In
15-3/4
25-15/16
21-1/2
18-5/16
29-1/8
24-11/16
89
(Refer to page 7)
In
Package dimensions Height
In
Width
Depth
In
In
Weight
Net
lbs
lbs
Cuft
82
93
95
90
Shipping
100
106
101
Shipping volume
7.62
DATA SUBJECT TO CHANGE WITHOUT NOTICE.
3
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2-2. Major Component Specifications
Models STB0810C1 STB1010C1
STB1020C1 STB1220C1
Model Number
STB0810C1
STB1010C1
STB1020C1
STB1220C1
Controller PCB
Part No.
Controls
Control circuit fuse
Compressor
Type
Rotary (Hermetic)
C-1R62H2D
Rotary (Hermetic)
C-R80H2C
Rotary (Hermetic)
C-R76H6K
Rotary (Hermetic)
C-R95H6C
Compressor model
( Parts code No. )
Source
( 80663842-S )
( 80680342-S )
115V 1-phase 60Hz
800
( 80677946-S )
230-208V 1-phase 60Hz
750
( 80695246-S )
230-208V 1-phase 60Hz
950
115V 1-phase 60Hz
625
Nominal output
W
Compressor oil ... Amount
Coil resistance (at 77°F)
cc SUNISO 4GSD-T....350
SUNISO 4GSD-T....350
C-R: 0.639
SUNISO 4GSD-T....350
C-R: 2.288
SUNISO 4GSD-T....450
C-R: 1.886
Ω
C-R: 1.010
C-S: 5.996
External protector
MRA98869-9200
293±9
C-S: 2.410
C-S: 5.385
C-S: 0.639
Safety device Type
External protector
MRA98748-9200
302±9
External protector
MRA98735-9201
311±9
External protector
MRA99038-9201
293±9
Overload relay
Operating temp. Open °F
Close °F
156±20
156±20
156±20
156±20
Operating amp.(at 77 °F)
Trip in 6 to sec.at 30.5A
25
Trip in 6 to 16 sec. at 40A Trip in 6 to 16 sec. at 24A Trip in 6 to 16 sec. at 24A
Run capacitor
µF
35
20
22.5
400
VAC
400
400
400
Fan & Fan Motor
Fan Type
Indoor (Dia. / Depth)
Outdoor (Dia. / Depth)
In
In
Centrifigal (Dia 7-3/32 : Depth 3-17/32)
Puropeller (Dia 12-19/32 : Depth 3-3/8)
Fan motor model ... Q'ty
Source
KFC6S-91A1P...1
KFC6S-91A6P...1
115V 1-phase 60Hz
6...1,110(115V)
90
230-208V 1-phase 60Hz
No. of poles ... rpm, High (V)
Nominal output
6...1,080(208V) 1,100(230V)
W
90
WHT-BLN: 60.10
WHT-BLN: 33.46
WHT-PNK: 59.31
Thermal protector
248±9
Coil resistance (at 68°F)
Ω
BLU-BLN: 16.59
BLU-YEL: 7.84
BLU-PNK: 17.19
Thermal protector
248±9
Safety device Type
Operating temp. Open °F
Close °F
µF
171±27
171±27
Run capacitor
16
4
VAC
220
440
Heat Exch. Coil
Evaporator
Coil
Aluminum plate fin / Copper tube
Rows
2
2
2
3
Fins per inch
Face area
Coil
19.5
1.049
19.5
1.049
19.5
1.049
15.9
1.049
ft2
Condenser
Aluminum plate fin / Copper tube
Rows
2
3
3
3
Fins per inch
Face area
18.1
1.075
14.1
1.075
14.1
1.075
18.1
1.075
ft2
DATA SUBJECT TO CHANGE WITHOUT NOTICE.
4
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Models STB0811C1 STB1023C1
STB1123C1 STB0823H1
Model Number
STB0811C1
STB1023C1
STB1123C1
STB0823H1
Controller PCB
Part No.
851-0-5171-660-00
POW-STBH
Controls
Control circuit fuse
Compressor
Type
Rotary (Hermetic)
C-1R62H2D
( 80663842-s)
115V 1-phase 60Hz
625
Rotary (Hermetic)
C-R76H6K
Rotary (Hermetic)
C-R95H6C
Rotary (Hermetic)
C-1R65H6W
( 80665146-S )
230-208V 1-phase 60Hz
650
Compressor model
( Parts code No. )
Source
( 80677946-S )
230-208V 1-phase 60Hz
750
( 80695246-S )
230-208V 1-phase 60Hz
950
Nominal output
W
Compressor oil ... Amount
Coil resistance (at 77°F)
cc SUNISO 4GSD-T....350
SUNISO 4GSD-T....350
C-R: 2.288
SUNISO 4GSD-T....450
C-R: 1.886
SUNISO 4GSD-T....350
C-R: 3.311
Ω
C-R: 1.010
C-S: 5.996
External protector
MRA98869-9200
293±9
C-S: 5.385
C-S: 0.639
C-S: 3.529
Safety devices Type
External protector
MRA98735-9201
311±9
External protector
MRA99038-9201
293±9
External protector
MRA99082-9201
293±9
Overload relay
Operating temp. Open °F
Close °F
156±20
156±20
156±20
156±20
Operating amp.(at 77 °F)
Trip in 6 to sec.at 30.5A
25
Trip in 6 to 16 sec. at 24A Trip in 6 to 16 sec. at 24A Trip in 6 to 16 sec. at 16.5A
Run capacitor
µF
20
22.5
400
22.5
400
VAC
400
400
Fan & Fan Motor
Fan Type
Indoor (Dia. / Depth)
In
Centrifigal (Dia 7-3/32 : Depth 3-17/32)
Outdoor (Dia. / Depth) In
Puropeller (Dia 12-19/32 : Depth 3-3/8)
Fan motor model ... Q'ty
Source
KFC6S-91A1P...1
115V 1-phase 60Hz
6...1,110(115V)
90
KFC6S-91A6P...1
230-208V 1-phase 60Hz
No. of poles ... rpm, High (V)
Nominal output
6...1,080(208V) 1,100(230V)
W
90
WHT-BLN: 60.10
WHT-BLN: 33.46
WHT-PNK: 59.31
Thermal protector
248±9
Coil resistance (at 68°F)
Ω
BLU-BLN: 16.59
BLU-YEL: 7.84
BLU-PNK: 17.19
Thermal protector
248±9
Safety device Type
Operating temp. Open °F
Close °F
µF
171±27
171±27
Run capacitor
16
4
VAC
220
440
Heat Exch. Coil
Evaporator
Coil
Aluminum plate fin / Copper tube
Rows
2
2
3
3
Fins per inch
Face area
Coil
19.5
1.049
19.5
1.049
15.9
1.049
14.1
1.049
ft2
Condenser
Aluminum plate fin / Copper tube
Rows
2
3
3
3
Fins per inch
Face area
18.1
1.075
14.1
1.075
18.1
1.075
14.1
1.075
ft2
DATA SUBJECT TO CHANGE WITHOUT NOTICE.
5
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2-3. Other Component Specifications
Models STB0810C1 STB1010C1
STB1020C1 STB1220C1
STB1123C1 STB0823H1
STB0811C1 STB1023C1
Room Thermostat
YTB-2U136
YTB-2U358
STB0811C1 STB1023C1
STB1123C1
Model
STB1020C1 STB0810C1
STB1220C1 STB1010C1
Openrating temp.
Cold
°F
°F
ON: 65 / OFF: 61±3 (Diff: 4 Deg)
ON: 90 / OFF:86
Warm
PTC Thermister (for compressor start up)
PTH491A04AR470N500
Model
STB0810C1 STB0811C1
47±30%
Resistance
at 77°F
Ω
Relay (Heater)
Model
VC20A-115-S
VC20A-230-S
STB1023C1 STB1123C1
AC208/230V , 60Hz
AC265V , 22A
STB0811C1
AC115V , 60Hz
AC265V , 22A
Coil rating
Contact rating
Electoric Heater Ass'y
AH-H06S
AH-H10S
STB1023C1 STB0823H1
STB1123C1
Model
STB0811C1
Heater Element
Rating
1.22 kW , 115V
9.5±1.5% (at 68°F)
8.9
3.4 kW , 230V
Resistance
Watt Dinsty
Dimension
Type
Ω
w/in2
In
13.6±1.5% (at 68°F)
13.2
Dia 3/8 , Leng 36
Dia 3/8 , Leng 36
Heater Thermo.
Fuse
CS-7L
OFF : 122±5
Openrating temp
Type
°F
°F
/
ON : 95±9
SF-152U
306±5
Openrating temp
Power Trnsformer
ATR-J64ULN2
Model
STB0823H1
Rating
Primary
AC220V , 60Hz
AC19V , 0.3A
Secondary
Thermister (Room sensor)
Model
PBC-41E-S29
STB0823H1
15±5%
Resistance
at 32°F
kΩ
Thermister (Outdoor coil)
Model
PBC-41E-S14
STB0823H1
15±5%
Resistance
at 32°F
kΩ
4-way Valve (Solenoid coil)
Model
CHV-01AQ503UA1(Coil) / CHV-01U1(Valve)
STB0823H1
Coil raiting
AC208/230V (60Hz) , 6W
6
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3. DIMENSIONAL DATA
Models STB0810C1 STB1010C1
STB1020C1 STB1220C1
STB1123C1 STB0823H1
STB0811C1 STB1023C1
■ Unit Dimension
Top view
"
1
"
2
25 -15 16
21 -
/
/
Front view
Side view
Unit : inch
■ Wall Sleeve Dimension
■ Dimension of Wall Opening
Wall opening of
26-1/8˝ x 15-3/4˝
is required
1
"
8
/
26 -
5
"
8
/
15 -
7
"
8
/
16 -
"
26
3
"
4
/
15 -
Minimum Wall
Sleeve Opening
Unit : inch
7
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4. REFRIGERANT FLOW DIAGRAM
Models STB0810C1 STB1010C1
STB1020C1 STB1220C1
STB1123C1
STB0811C1 STB1023C1
Compressor
Accumulator
Capillary
tube
Model
STB0823H1
Accumulator
4-way
valve
Capillary
tube
Capillary
tube
Cooling cycle
Heating cycle
Check
valve
8
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5. PERFORMANCE DATA
5-1. Cooling Capacity
Model
STB0810C1
115 V Single phase 60 Hz
RATING CAPACITY
AIR FLOW RATE
8,200 BTU/h
270 CFM
EVAPORATOR
ENT. TEMP. °F (°C)
CONDENSER
OUTDOOR AMBIENT TEMP. °F( °C)
W.B.
D.B.
67
75
85
95
(35.0)
7,180
0.75
105
(40.6)
6,750
0.79
110
(43.3)
6,210
0.84
(19.4)
8,260
0.60
(23.9)
7,900
0.65
(29.4)
7,540
0.70
TC
CM
70 (21.1)
73 (22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
SHC
SHC
TC
6,260
7,310
8,260
8,260
8,260
8,260
9,350
0.62
6,100
7,150
7,900
7,900
7,900
7,900
8,480
0.67
5,940
6,990
7,540
7,540
7,540
7,540
8,090
0.72
5,780
6,830
7,180
7,180
7,180
7,180
7,710
0.77
5,580
6,630
6,750
6,750
6,750
6,750
7,250
0.81
5,350
6,210
6,210
6,210
6,210
6,210
6,670
0.86
59
(15.0)
CM
70 (21.1)
73 (22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
SHC
SHC
TC
5,170
6,220
7,270
8,320
8,860
8,860
9,430
0.64
5,010
6,060
7,110
8,160
8,480
8,480
9,020
0.69
4,840
5,890
6,940
7,990
8,090
8,090
8,610
0.74
4,680
5,730
6,780
7,710
7,710
7,710
# 8,200
0.79
4,490
5,540
6,590
7,250
7,250
7,250
7,710
0.84
4,260
5,310
6,360
6,670
6,670
6,670
7,090
0.89
63
(17.2)
CM
70 (21.1)
73 (22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
SHC
SHC
TC
4,050
5,100
6,150
7,200
8,250
9,300
10,000
0.66
3,890
4,940
5,990
7,040
8,090
9,020
9,560
0.71
3,730
4,780
5,830
6,870
7,920
8,610
9,130
0.76
3,570
4,620
5,670
6,720
7,770
8,200
8,690
0.82
3,380
4,430
5,480
6,530
7,580
7,710
8,170
0.86
3,150
4,200
5,250
6,290
7,090
7,090
7,520
0.91
67
(19.4)
CM
73 (22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
SHC
TC
3,970
5,020
6,070
7,120
8,170
10,610
0.67
3,820
4,860
5,910
6,960
8,010
10,150
0.73
3,660
4,710
5,760
6,810
7,860
9,670
0.78
3,500
4,550
5,600
6,650
7,700
9,130
0.84
3,320
4,370
5,420
6,470
7,520
8,540
0.89
3,090
4,140
5,190
6,240
7,290
7,950
0.94
70
(21.1)
CM
73
(22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
3,850
4,900
5,950
7,000
3,690
4,740
5,790
6,840
3,530
4,580
5,630
6,680
3,360
4,400
5,450
6,500
3,170
4,220
5,260
6,310
2,970
4,020
5,070
6,120
TC : Total Cooling Capacity (BTU/h)
SHC : Sensible Heat Capacity (BTU/h)
CM : Compressor Input (kW)
Rating conditions (#Mark) are
Outdoor Ambient Temp. 95°F (35°C) D.B.
Indoor Air Intake Temp. 80°F (26.7°C) D.B. / 67°F (19.4°C) W.B.
9
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Model
STB1010C1
115 V Single phase 60 Hz
RATING CAPACITY
AIR FLOW RATE
10,200 BTU/h
270 CFM
EVAPORATOR
ENT. TEMP. °F (°C)
CONDENSER
OUTDOOR AMBIENT TEMP. °F( °C)
W.B.
D.B.
67
75
85
95
105
(40.6)
8,390
1.06
110
(43.3)
7,730
1.13
(19.4)
10,280
0.80
(23.9)
9,830
0.87
(29.4)
9,380
0.93
(35.0)
8,940
1.00
TC
CM
70 (21.1)
73 (22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
SHC
SHC
TC
7,220
8,270
9,320
10,280
10,280
10,280
11,630
0.82
7,000
8,050
9,100
9,830
9,830
9,830
10,550
0.89
6,790
7,840
8,890
9,380
9,380
9,380
10,070
0.95
6,580
7,630
8,680
8,940
8,940
8,940
9,590
1.02
6,320
7,370
8,390
8,390
8,390
8,390
9,010
1.09
6,020
7,070
7,730
7,730
7,730
7,730
8,290
1.15
59
(15.0)
CM
70 (21.1)
73 (22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
SHC
SHC
TC
6,130
7,180
8,230
9,280
10,330
11,030
11,730
0.85
5,910
6,960
8,010
9,060
10,110
10,550
11,220
0.92
5,700
6,750
7,800
8,850
9,900
10,070
5,490
6,540
7,580
8,630
9,590
9,590
5,240
6,290
7,330
8,380
9,010
9,010
9,590
1.12
4,930
5,980
7,030
8,080
8,290
8,290
8,820
1.19
63
(17.2)
10,710 # 10,200
0.98
CM
1.05
70 (21.1)
73 (22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
SHC
SHC
TC
5,000
6,050
7,090
8,140
9,190
10,240
12,430
0.87
4,780
5,830
6,880
7,930
8,980
10,030
11,890
0.94
4,570
5,620
6,670
7,720
8,770
9,820
11,350
1.01
4,360
5,410
6,460
7,510
8,560
9,610
10,810
1.08
4,110
5,160
6,210
7,260
8,310
9,360
10,160
1.15
3,810
4,860
5,910
6,960
8,010
8,820
9,350
1.22
67
(19.4)
CM
73 (22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
SHC
TC
4,900
5,950
7,000
8,050
9,100
13,190
0.89
4,690
5,740
6,790
7,840
8,890
12,620
0.97
4,480
5,530
6,580
7,630
8,680
12,030
1.04
4,280
5,330
6,380
7,430
8,480
11,350
1.11
4,040
5,090
6,140
7,190
8,240
10,630
1.18
3,740
4,790
5,840
6,890
7,940
9,880
1.26
70
(21.1)
CM
73
(22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
4,760
5,810
6,850
7,900
4,550
5,600
6,650
7,700
4,340
5,390
6,440
7,490
4,100
5,150
6,200
7,250
3,860
4,900
5,950
7,000
3,610
4,650
5,700
6,750
TC :
Total Cooling Capacity (BTU/h)
SHC : Sensible Heat Capacity (BTU/h)
CM : Compressor Input (kW)
Rating conditions (#Mark) are
Outdoor Ambient Temp. 95°F (35°C) D.B.
Indoor Air Intake Temp. 80°F (26.7°C) D.B. / 67°F (19.4°C) W.B.
10
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Model
STB1020C1
230 V Single phase 60 Hz
RATING CAPACITY
AIR FLOW RATE
9,700 BTU/h
270 CFM
EVAPORATOR
ENT. TEMP. °F (°C)
CONDENSER
OUTDOOR AMBIENT TEMP. °F( °C)
W.B.
D.B.
67
75
85
95
105
(40.6)
7,980
0.97
110
(43.3)
7,350
1.00
(19.4)
9,770
0.76
(23.9)
9,350
0.82
(29.4)
8,920
0.88
(35.0)
8,500
0.94
TC
CM
70 (21.1)
73 (22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
SHC
SHC
TC
6,980
8,030
9,080
9,770
9,770
9,770
11,060
0.78
6,780
7,830
8,880
9,350
9,350
9,350
10,030
0.84
6,580
7,630
8,680
8,920
8,920
8,920
9,570
0.90
6,380
7,430
8,480
8,500
8,500
8,500
9,120
0.97
6,140
7,190
7,980
7,980
7,980
7,980
8,570
1.00
5,860
6,910
7,350
7,350
7,350
7,350
7,890
1.02
59
(15.0)
CM
70 (21.1)
73 (22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
SHC
SHC
TC
5,890
6,940
7,990
9,040
10,090
10,490
11,150
0.80
5,690
6,740
7,790
8,840
9,890
10,030
10,670
0.87
5,490
6,540
7,580
8,630
9,570
9,570
5,290
6,340
7,390
8,440
9,120
9,120
5,050
6,100
7,150
8,200
8,570
8,570
9,120
1.03
4,760
5,810
6,860
7,890
7,890
7,890
8,390
1.06
63
(17.2)
10,180 # 9,700
0.93
CM
1.00
70 (21.1)
73 (22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
SHC
SHC
TC
4,760
5,810
6,860
7,910
8,960
10,010
11,820
0.83
4,560
5,610
6,660
7,710
8,760
9,810
11,310
0.89
4,360
5,410
6,460
7,510
8,560
9,610
10,800
0.96
4,160
5,210
6,260
7,310
8,360
9,410
10,280
1.03
3,930
4,980
6,030
7,080
8,130
9,120
9,670
1.06
3,650
4,700
5,750
6,800
7,850
8,390
8,890
1.09
67
(19.4)
CM
73 (22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
SHC
TC
4,670
5,720
6,770
7,820
8,870
12,550
0.84
4,470
5,520
6,570
7,620
8,670
12,000
0.92
4,280
5,330
6,380
7,430
8,480
11,440
0.98
4,090
5,140
6,190
7,240
8,290
10,800
1.05
3,860
4,910
5,960
7,010
8,060
10,110
1.09
3,580
4,630
5,680
6,730
7,780
9,400
1.12
70
(21.1)
CM
73
(22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
4,530
5,580
6,630
7,680
4,340
5,390
6,440
7,490
4,140
5,190
6,240
7,290
3,920
4,970
6,020
7,070
3,690
4,740
5,790
6,840
3,450
4,500
5,550
6,600
TC :
Total Cooling Capacity (BTU/h)
SHC : Sensible Heat Capacity (BTU/h)
CM : Compressor Input (kW)
Rating conditions (#Mark) are
Outdoor Ambient Temp. 95°F (35°C) D.B.
Indoor Air Intake Temp. 80°F (26.7°C) D.B. / 67°F (19.4°C) W.B.
11
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Model
STB1220C1
230 V Single phase 60 Hz
RATING CAPACITY
AIR FLOW RATE
11,500 BTU/h
270 CFM
EVAPORATOR
ENT. TEMP. °F (°C)
CONDENSER
OUTDOOR AMBIENT TEMP. °F( °C)
W.B.
D.B.
67
75
85
95
105
110
(43.3)
8,710
1.28
(19.4)
11,590
0.92
(23.9)
11,080
0.99
(29.4)
10,580
1.06
(35.0)
10,070
1.14
(40.6)
9,460
1.21
TC
CM
70 (21.1)
73 (22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
SHC
SHC
TC
7,880
8,930
9,980
11,030
11,590
11,590
13,110
0.94
7,620
8,670
9,720
10,770
11,080
11,080
11,890
1.02
7,370
8,420
9,470
10,520
10,580
10,580
11,350
1.09
7,130
8,180
9,230
10,070
10,070
10,070
10,810
1.17
6,830
7,880
8,930
9,460
9,460
9,460
10,160
1.24
6,480
7,530
8,580
8,710
8,710
8,710
9,350
1.31
59
(15.0)
CM
70 (21.1)
73 (22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
SHC
SHC
TC
6,790
7,840
8,890
9,940
10,990
12,040
13,220
0.97
6,530
7,580
8,630
9,680
10,730
11,780
12,650
1.05
6,280
7,330
8,380
9,430
10,480
11,350
6,040
7,090
8,140
9,190
10,230
10,810
5,740
6,790
7,840
8,890
9,940
10,160
10,810
1.28
5,390
6,440
7,490
8,540
9,350
9,350
9,950
1.35
63
(17.2)
12,070 # 11,500
1.13
CM
1.21
70 (21.1)
73 (22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
SHC
SHC
TC
5,650
6,700
7,750
8,800
9,850
10,900
14,020
1.00
5,400
6,450
7,500
8,550
9,600
10,650
13,410
1.08
5,150
6,200
7,250
8,300
9,350
10,400
12,800
1.16
4,900
5,950
7,000
8,050
9,100
10,150
12,190
1.24
4,620
5,670
6,720
7,770
8,810
9,860
11,460
1.32
4,260
5,310
6,360
7,410
8,460
9,510
10,540
1.39
67
(19.4)
CM
73 (22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
SHC
TC
5,550
6,600
7,650
8,700
9,750
14,880
1.02
5,300
6,350
7,400
8,450
9,500
14,230
1.11
5,050
6,100
7,150
8,200
9,250
13,560
1.19
4,810
5,860
6,910
7,960
9,010
12,800
1.27
4,530
5,580
6,630
7,680
8,730
11,980
1.35
4,190
5,230
6,280
7,330
8,380
11,140
1.43
70
(21.1)
CM
73
(22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
5,380
6,430
7,480
8,530
5,140
6,190
7,240
8,290
4,890
5,940
6,990
8,040
4,620
5,670
6,720
7,770
4,330
5,380
6,430
7,480
4,040
5,090
6,140
7,190
TC :
Total Cooling Capacity (BTU/h)
SHC : Sensible Heat Capacity (BTU/h)
CM : Compressor Input (kW)
Rating conditions (#Mark) are
Outdoor Ambient Temp. 95°F (35°C) D.B.
Indoor Air Intake Temp. 80°F (26.7°C) D.B. / 67°F (19.4°C) W.B.
12
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Model
STB0811C1
115 V Single phase 60 Hz
RATING CAPACITY
AIR FLOW RATE
8,000 BTU/h
250 CFM
EVAPORATOR
ENT. TEMP. °F (°C)
CONDENSER
OUTDOOR AMBIENT TEMP. °F( °C)
W.B.
D.B.
67
75
85
95
(35.0)
7,010
0.73
105
(40.6)
6,580
0.79
110
(43.3)
6,060
0.85
(19.4)
8,060
0.59
(23.9)
7,710
0.64
(29.4)
7,360
0.68
TC
CM
70 (21.1)
73 (22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
SHC
SHC
TC
5,970
6,940
7,910
8,060
8,060
8,060
9,120
0.61
5,810
6,780
7,710
7,710
7,710
7,710
8,270
0.65
5,650
6,620
7,360
7,360
7,360
7,360
7,900
0.70
5,490
6,460
7,010
7,010
7,010
7,010
7,520
0.75
5,300
6,270
6,580
6,580
6,580
6,580
7,070
0.81
5,070
6,040
6,060
6,060
6,060
6,060
6,500
0.87
59
(15.0)
CM
70 (21.1)
73 (22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
SHC
SHC
TC
4,960
5,930
6,900
7,870
8,650
8,650
9,200
0.62
4,800
5,770
6,740
7,710
8,270
8,270
8,800
0.67
4,630
5,610
6,580
7,550
7,900
7,900
8,400
0.72
4,470
5,450
6,420
7,390
7,520
7,520
# 8,000
0.77
4,290
5,260
6,230
7,070
7,070
7,070
7,520
0.84
4,050
5,030
6,000
6,500
6,500
6,500
6,920
0.90
63
(17.2)
CM
70 (21.1)
73 (22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
SHC
SHC
TC
3,920
4,890
5,860
6,830
7,800
8,780
9,750
0.64
3,750
4,730
5,700
6,670
7,640
8,610
9,330
0.69
3,600
4,570
5,540
6,510
7,480
8,400
8,900
0.74
3,440
4,410
5,380
6,350
7,330
8,000
8,480
0.80
3,250
4,220
5,200
6,170
7,140
7,520
7,970
0.86
3,020
3,990
4,970
5,940
6,910
6,920
7,340
0.92
67
(19.4)
CM
73 (22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
SHC
TC
3,840
4,810
5,790
6,760
7,730
10,350
0.65
3,680
4,660
5,630
6,600
7,570
9,900
0.71
3,530
4,500
5,470
6,440
7,420
9,430
0.76
3,370
4,350
5,320
6,290
7,260
8,900
0.82
3,190
4,160
5,130
6,110
7,080
8,340
0.88
2,970
3,940
4,910
5,880
6,850
7,750
0.95
70
(21.1)
CM
73
(22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
3,720
4,690
5,660
6,640
3,570
4,540
5,510
6,480
3,410
4,380
5,350
6,320
3,230
4,200
5,180
6,150
3,040
4,020
4,990
5,960
2,860
3,830
4,800
5,770
TC :
Total Cooling Capacity (BTU/h)
SHC : Sensible Heat Capacity (BTU/h)
CM : Compressor Input (kW)
Rating conditions (#Mark) are
Outdoor Ambient Temp. 95°F (35°C) D.B.
Indoor Air Intake Temp. 80°F (26.7°C) D.B. / 67°F (19.4°C) W.B.
13
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Model
STB1023C1
230 V Single phase 60 Hz
RATING CAPACITY
AIR FLOW RATE
9,500 BTU/h
250 CFM
EVAPORATOR
ENT. TEMP. °F (°C)
CONDENSER
OUTDOOR AMBIENT TEMP. °F( °C)
W.B.
D.B.
67
75
85
95
(35.0)
8,320
0.92
105
(40.6)
7,820
0.96
110
(43.3)
7,200
1.01
(19.4)
9,570
0.74
(23.9)
9,160
0.80
(29.4)
8,740
0.86
TC
CM
70 (21.1)
73 (22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
SHC
SHC
TC
6,700
7,670
8,640
9,570
9,570
9,570
10,830
0.76
6,500
7,470
8,440
9,160
9,160
9,160
9,820
0.83
6,300
7,270
8,240
8,740
8,740
8,740
9,380
0.88
6,100
7,070
8,040
8,320
8,320
8,320
8,930
0.95
5,860
6,840
7,810
7,820
7,820
7,820
8,390
0.99
5,580
6,550
7,200
7,200
7,200
7,200
7,720
1.03
59
(15.0)
CM
70 (21.1)
73 (22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
SHC
SHC
TC
5,690
6,660
7,630
8,600
9,580
10,270
10,930
0.79
5,490
6,460
7,430
8,400
9,370
9,820
10,450
0.85
5,290
6,260
7,230
8,200
9,170
9,380
9,980
0.91
5,090
6,060
7,030
8,000
8,930
8,930
# 9,500
0.98
4,850
5,830
6,800
7,770
8,390
8,390
8,930
1.02
4,570
5,540
6,510
7,480
7,720
7,720
8,220
1.07
63
(17.2)
CM
70 (21.1)
73 (22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
SHC
SHC
TC
4,640
5,610
6,580
7,550
8,530
9,500
11,580
0.81
4,440
5,410
6,380
7,350
8,320
9,300
11,080
0.87
4,240
5,210
6,180
7,150
8,130
9,100
10,570
0.94
4,040
5,020
5,990
6,960
7,930
8,900
10,070
1.01
3,810
4,790
5,760
6,730
7,700
8,670
9,470
1.05
3,530
4,500
5,470
6,450
7,420
8,220
8,710
1.10
67
(19.4)
CM
73 (22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
SHC
TC
4,550
5,520
6,500
7,470
8,440
12,290
0.83
4,350
5,330
6,300
7,270
8,240
11,760
0.90
4,160
5,130
6,100
7,080
8,050
11,200
0.96
3,970
4,940
5,910
6,880
7,860
10,570
1.03
3,740
4,710
5,690
6,660
7,630
9,900
1.08
3,460
4,440
5,410
6,380
7,350
9,210
1.13
70
(21.1)
CM
73
(22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
4,410
5,380
6,360
7,330
4,220
5,190
6,160
7,140
4,020
5,000
5,970
6,940
3,800
4,780
5,750
6,720
3,570
4,540
5,520
6,490
3,340
4,310
5,280
6,250
TC :
Total Cooling Capacity (BTU/h)
SHC : Sensible Heat Capacity (BTU/h)
CM : Compressor Input (kW)
Rating conditions (#Mark) are
Outdoor Ambient Temp. 95°F (35°C) D.B.
Indoor Air Intake Temp. 80°F (26.7°C) D.B. / 67°F (19.4°C) W.B.
14
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Model
STB1123C1
230 V Single phase 60 Hz
RATING CAPACITY
AIR FLOW RATE
11,300 BTU/h
250 CFM
EVAPORATOR
ENT. TEMP. °F (°C)
CONDENSER
OUTDOOR AMBIENT TEMP. °F( °C)
W.B.
D.B.
67
75
85
95
105
(40.6)
9,300
1.19
110
(43.3)
8,560
1.26
(19.4)
11,380
0.90
(23.9)
10,890
0.98
(29.4)
10,400
1.04
(35.0)
9,900
1.12
TC
CM
70 (21.1)
73 (22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
SHC
SHC
TC
7,610
8,590
9,560
10,530
11,380
11,380
12,890
0.93
7,360
8,330
9,300
10,280
10,890
10,890
11,680
1.00
7,110
8,080
9,050
10,020
10,400
10,400
11,150
1.07
6,860
7,830
8,800
9,780
9,900
9,900
10,620
1.15
6,570
7,540
8,510
9,300
9,300
9,300
9,980
1.22
6,210
7,180
8,160
8,560
8,560
8,560
9,190
1.29
59
(15.0)
CM
70 (21.1)
73 (22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
SHC
SHC
TC
6,610
7,580
8,550
9,520
10,490
11,470
13,000
0.96
6,350
7,320
8,290
9,270
10,240
11,210
12,430
1.03
6,100
7,070
8,040
9,010
9,990
10,960
5,850
6,820
7,790
8,770
9,740
10,620
5,560
6,530
7,500
8,470
9,450
9,980
10,620
1.26
5,200
6,170
7,150
8,120
9,090
9,190
9,770
1.33
63
(17.2)
11,870 # 11,300
1.11
CM
1.19
70 (21.1)
73 (22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
SHC
SHC
TC
5,550
6,520
7,490
8,460
9,430
10,410
13,770
0.98
5,290
6,260
7,240
8,210
9,180
10,150
13,180
1.06
5,040
6,020
6,990
7,960
8,930
9,900
12,580
1.14
4,800
5,770
6,740
7,710
8,690
9,660
11,980
1.22
4,510
5,480
6,450
7,430
8,400
9,370
11,260
1.30
4,160
5,130
6,100
7,070
8,040
9,020
10,360
1.37
67
(19.4)
CM
73 (22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
SHC
TC
5,450
6,420
7,390
8,360
9,330
14,620
1.00
5,200
6,170
7,140
8,110
9,080
13,980
1.09
4,950
5,920
6,890
7,870
8,840
13,320
1.17
4,710
5,680
6,650
7,630
8,600
12,580
1.25
4,430
5,400
6,370
7,340
8,310
11,770
1.33
4,080
5,050
6,020
6,990
7,970
10,950
1.41
70
(21.1)
CM
73
(22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
5,290
6,260
7,230
8,200
5,040
6,020
6,990
7,960
4,790
5,770
6,740
7,710
4,520
5,490
6,460
7,430
4,230
5,200
6,170
7,140
3,940
4,910
5,880
6,850
TC :
Total Cooling Capacity (BTU/h)
SHC : Sensible Heat Capacity (BTU/h)
CM : Compressor Input (kW)
Rating conditions (#Mark) are
Outdoor Ambient Temp. 95°F (35°C) D.B.
Indoor Air Intake Temp. 80°F (26.7°C) D.B. / 67°F (19.4°C) W.B.
15
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Model
STB0823H1
230 V Single phase 60 Hz
RATING CAPACITY
AIR FLOW RATE
8,000 BTU/h
250 CFM
EVAPORATOR
ENT. TEMP. °F (°C)
CONDENSER
OUTDOOR AMBIENT TEMP. °F( °C)
W.B.
D.B.
67
75
85
95
(35.0)
7,010
0.75
105
(40.6)
6,580
0.80
110
(43.3)
6,060
0.85
(19.4)
8,060
0.61
(23.9)
7,710
0.66
(29.4)
7,360
0.70
TC
CM
70 (21.1)
73 (22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
SHC
SHC
TC
5,980
6,950
7,920
8,060
8,060
8,060
9,120
0.62
5,810
6,790
7,710
7,710
7,710
7,710
8,270
0.67
5,650
6,630
7,360
7,360
7,360
7,360
7,900
0.72
5,490
6,470
7,010
7,010
7,010
7,010
7,520
0.77
5,300
6,270
6,580
6,580
6,580
6,580
7,070
0.82
5,070
6,040
6,060
6,060
6,060
6,060
6,500
0.87
59
(15.0)
CM
70 (21.1)
73 (22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
SHC
SHC
TC
4,960
5,940
6,910
7,880
8,650
8,650
9,200
0.64
4,800
5,770
6,750
7,720
8,270
8,270
8,800
0.69
4,640
5,610
6,580
7,560
7,900
7,900
8,400
0.74
4,480
5,450
6,430
7,400
7,520
7,520
# 8,000
0.80
4,290
5,260
6,240
7,070
7,070
7,070
7,520
0.85
4,060
5,030
6,000
6,500
6,500
6,500
6,920
0.90
63
(17.2)
CM
70 (21.1)
73 (22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
SHC
SHC
TC
3,920
4,890
5,870
6,840
7,810
8,780
9,750
0.66
3,760
4,730
5,700
6,680
7,650
8,620
9,330
0.71
3,600
4,570
5,550
6,520
7,490
8,400
8,900
0.76
3,450
4,420
5,390
6,360
7,330
8,000
8,480
0.82
3,260
4,230
5,200
6,170
7,150
7,520
7,970
0.87
3,030
4,000
4,970
5,950
6,920
6,920
7,340
0.92
67
(19.4)
CM
73 (22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
SHC
TC
3,850
4,820
5,790
6,760
7,740
10,350
0.67
3,690
4,660
5,630
6,610
7,580
9,900
0.73
3,530
4,510
5,480
6,450
7,420
9,430
0.78
3,380
4,350
5,320
6,300
7,270
8,900
0.84
3,200
4,170
5,140
6,110
7,090
8,340
0.90
2,970
3,950
4,920
5,890
6,860
7,750
0.95
70
(21.1)
CM
73
(22.8)
77 (25.0)
80 (26.7)
84 (28.9)
88 (31.1)
SHC
SHC
SHC
SHC
3,730
4,700
5,670
6,640
3,570
4,550
5,520
6,490
3,410
4,390
5,360
6,330
3,240
4,210
5,180
6,150
3,050
4,020
5,000
5,970
2,860
3,830
4,810
5,780
TC :
Total Cooling Capacity (BTU/h)
SHC : Sensible Heat Capacity (BTU/h)
CM : Compressor Input (kW)
Rating conditions (#Mark) are
Outdoor Ambient Temp. 95°F (35°C) D.B.
Indoor Air Intake Temp. 80°F (26.7°C) D.B. / 67°F (19.4°C) W.B.
16
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5-2. Heating Capacity (Heat pump Performance)
Model
STB0823H1
Fan speed : High
120
110
100
90
80
70
60
50
40
30
20
10
0
17 20
30
40
47 50
60
Outdoor ambient temperature (°F DB)
NOTE
●
1)
… Point of rating condition
Black dot in the chart indicates the following rating condition.
Indoor: 70°F (21.1°C) D.B.
Outdoor: 47°F (8.3°C) D.B. / 43°F (6.1°C) W.B.
2) Above characteristics indicates heat pump heating operation, which does not include
elctric heater operation.
3) Because this air conditioner heats a room by drawing in the heat of the outside
air (heat pump system), the heating efficiency will fall off when the outdoor temperature
is very low, which consequently makes the room temperature decrease. At this time,
heat is provided by the electric heater instead of heat pump. See page 44 for detail.
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6. ELECTRICAL DATA
6-1. Electrical Characteristics
Cooling only models
Model
Model
Model
Model
STB0810C1
Outdoor Unit
Complete Unit
Fan Motor
Compressor
Performance at
Rating Conditions
115V 1-phase 60Hz
Running Amps.
Power Input
A
kW
A
1.26
0.145
1.26
7.04
0.795
8.34
8.3
0.94
9.6
Full Load Conditions Running Amps.
Power Input
kW
0.145
0.935
1.08
STB1010C1
Outdoor Unit
Complete Unit
Fan Motor
Compressor
Performance at
115V 1-phase 60Hz
Rating Conditions
Running Amps.
Power Input
A
kW
A
1.26
0.145
1.26
9.34
10.6
1.20
12.3
1.40
1.055
11.04
1.255
Full Load Conditions Running Amps.
Power Input
kW
0.145
STB1020C1
Outdoor Unit
Complete Unit
Fan Motor
Compressor
230 / 208V 1-phase 60Hz
0.64 4.39 4.66 5.0
Performance at
Rating Conditions
Running Amps.
Power Input
A
0.61
/
/
/
/
/
/
5.3
1.11
5.9
kW 0.142 / 0.132 0.998 / 0.978 1.14
0.61 0.64 4.99 5.26 5.6
kW 0.142 / 0.132 1.118 / 1.098 1.26
Full Load Conditions Running Amps.
Power Input
A
/
/
1.23
STB1220C1
Outdoor Unit
Fan Motor Compressor
230 / 208V 1-phase 60Hz
0.64 5.49 5.96 6.1
kW 0.142 / 0.132 1.208 / 1.198 1.35
0.61 0.64 6.29 6.96 6.9
kW 0.142 / 0.132 1.428 / 1.438 1.57
Complete Unit
Performance at
Rating Conditions
Running Amps.
Power Input
A
0.61
/
/
/
/
/
/
6.6
1.33
7.6
Full Load Conditions Running Amps.
Power Input
A
/
/
1.57
Rating Conditions
: Indoor Air Temperature 80°F (26.7°C) D.B. / 67°F (19.4°C) W.B.
Outdoor Air Temperature 95°F (35°C) D.B.
Full Load Conditions : Indoor Air Temperature 90°F (32.2°C) D.B. / 73°F (22.8°C) W.B.
Outdoor Air Temperature 110°F (43.3°C) D.B.
18
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Cooling & electric heating models
Model STB0811C1
Outdoor Unit
Complete Unit
Fan Motor
Compressor
Performance at
Rating Conditions
115V 1-phase 60Hz
Running Amps.
Power Input
A
kW
A
1.26
0.145
1.26
7.04
0.775
8.34
8.3
0.92
9.6
Full Load Conditions Running Amps.
Power Input
kW
0.145
0.945
1.09
Model
STB1023C1
Outdoor Unit
Complete Unit
Fan Motor
Compressor
Performance at
230 / 208V 1-phase 60Hz
0.64 4.39 4.66 5.0
Rating Conditions
Running Amps.
Power Input
A
0.61
/
/
/
/
/
/
5.3
1.09
5.9
kW 0.142 / 0.132 0.978 / 0.958 1.12
0.61 0.64 4.99 5.26 5.6
kW 0.142 / 0.132 1.128 / 1.088 1.27
Full Load Conditions Running Amps.
Power Input
A
/
/
1.22
Model
STB1123C1
Outdoor Unit
Fan Motor Compressor
230 / 208V 1-phase 60Hz
0.64 5.39 5.86 6.0
kW 0.142 / 0.132 1.188 / 1.178 1.33
0.61 0.64 6.29 6.86 6.9
kW 0.142 / 0.132 1.408 / 1.408 1.55
Complete Unit
Performance at
Rating Conditions
Running Amps.
Power Input
A
0.61
/
/
/
/
/
/
6.5
1.31
7.5
Full Load Conditions Running Amps.
Power Input
A
/
/
1.54
Rating Conditions
: Indoor Air Temperature 80°F (26.7°C) D.B. / 67°F (19.4°C) W.B.
Outdoor Air Temperature 95°F (35°C) D.B.
Full Load Conditions : Indoor Air Temperature 90°F (32.2°C) D.B. / 73°F (22.8°C) W.B.
Outdoor Air Temperature 110°F (43.3°C) D.B.
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Heat pump model
Model
STB0823H1
COOLING
Outdoor Unit
Fan Motor Compressor
230 / 208V 1-phase 60Hz
0.64 3.59 3.86 4.2
kW 0.142 / 0.132 0.798 / 0.788 0.94
0.61 0.64 4.29 4.46 4.9
kW 0.142 / 0.132 0.948 / 0.918 1.09
Complete Unit
Performance at
Rating Conditions
Running Amps.
Power Input
A
0.61
/
/
/
/
/
/
4.5
0.92
5.1
Full Load Conditions Running Amps.
Power Input
A
/
/
1.05
Rating Conditions
: Indoor Air Temperature 80°F (26.7°C) D.B. / 67°F (19.4°C) W.B.
Outdoor Air Temperature 95°F (35°C) D.B.
Full Load Conditions : Indoor Air Temperature 90°F (32.2°C) D.B. / 73°F (22.8°C) W.B.
Outdoor Air Temperature 110°F (43.3°C) D.B.
HEATING
Outdoor Unit
Fan Motor Compressor
230 / 208V 1-phase 60Hz
0.64 3.39 3.66 4.0
kW 0.142 / 0.132 0.738 / 0.738 0.88
0.61 0.64 4.09 4.51 4.7
kW 0.142 / 0.132 0.898 / 0.888 1.04
Complete Unit
Performance at
Rating Conditions
Running Amps.
Power Input
A
0.61
/
/
/
/
/
/
4.3
0.87
5.2
Full Load Conditions Running Amps.
Power Input
A
/
/
1.02
Rating Conditions
: Indoor Air Temperature 70°F (21.1°C) D.B.
Outdoor Air Temperature 47°F (8.3°C) D.B. / 43°F (6.1°C) W.B.
Full Load Conditions : Indoor Air Temperature 80°F (26.7°C) D.B.
Outdoor Air Temperature 75°F (23.9°C) D.B. / 65°F (18.3°C) W.B.
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To avoid electrical shock hazard, be sure to
disconnect power before checking,
WARNING
servicing and/or cleaning any electrical
6-2. Electrical Wiring Diagrams
Models STB0810C1 STB1010C1
LAYOUT FOR ELECTRIC PARTS
Main switch
Room thermo
Capacitor
(FM)
Fancycle
switch
Capacitor
(CM)
Clip power
cord
Thermistor
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To avoid electrical shock hazard, be sure to
disconnect power before checking, servicing
and/or cleaning any electrical parts.
WARNING
Models STB1020C1 STB1220C1
LAYOUT FOR ELECTRIC PARTS
Main switch
Room thermo
Capacitor
(FM)
Fancycle
switch
Capacitor
(CM)
Clip power
cord
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To avoid electrical shock hazard, be sure to
disconnect power before checking, servicing
and/or cleaning any electrical parts.
WARNING
Model
STB0811C1
LAYOUT FOR ELECTRIC PARTS
Main switch
Room thermo
Capacitor
(FM)
Fancycle
switch
Capacitor
(CM)
Relay heater
Thermistor
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To avoid electrical shock hazard, be sure to
disconnect power before checking, servicing
and/or cleaning any electrical parts.
WARNING
Models STB1023C1 STB1123C1
LAYOUT FOR ELECTRIC PARTS
Main switch
Room thermo
Capacitor
(FM)
Fancycle
switch
Capacitor
(CM)
Relay heater
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To avoid electrical shock hazard, be sure to
disconnect power before checking, servicing
and/or cleaning any electrical parts.
WARNING
Model
STB0823H1
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To avoid electrical shock hazard, be sure to
disconnect power before checking, servicing
and/or cleaning any electrical parts.
WARNING
Model
STB0823H1
LAYOUT FOR ELECTRIC PARTS
Varistor
Main control switch
Capacitor
(FM)
Control switch
temp. setting
Fan
switch
Lid
Thermistor room temp.
Power pack control PCB
Power transformer
Capacitor (CM)
Power cord
BEFORE OPENING THE BOX
AFTER OPENING THE BOX
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6-3. P.C.B. Ass'y (Printed Pattern)
POW–STBH (For model STB0823H1)
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7. TROUBLESHOOTING
7-1. Check before and after troubleshooting
WARNING
Hazardous voltage can cause ELECTRIC
SHOCK or DEATH. Disconnect power or turn
off circuit breaker before you start checking
or servicing.
7-1-1. Check power supply.
●
●
Check that voltage is in specified range (±10% of the rating).
Check that power is being supplied.
7-1-2. Check lead wires and connectors.
●
●
●
Check that coating of lead wires is not damaged.
Check that lead wires and connectors are firmly connected.
Check that wiring is correct.
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7-2. Air conditioner does not operate.
7-2-1. Circuit breaker trips (or fuse blows).
A. When the circuit breaker is set to ON, it is tripped soon. (Resetting is not possible.)
●
●
There is a possibility of ground fault.
Check insulation resistance.
If resistance value is 2MΩ or less, insulation is defective (“NO”).
Wall outlet
(Receptacle)
Power plug
1
Power
supply
Circuit
breaker
Window type air conditioner
Ground
WARNING
*
Set circuit breaker to OFF.
Pull the power plug out of the
wall outlet.
Measure insulation resistance
of unit.
1
Insulation of
unit is
defective.
NO
•
Measure insulation
resistance of electrical
parts.
•
(Example)
Compressor, Fan motor,
Capacitor, Relay etc.
NOTE
1. If any poorly insulated part is found, exclude that part from circuit with other parts properly connected, and then
measure insulation resistance of entire air conditioner again to locate defective part.
2. Replace defective part with new one.
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B. Circuit breaker trips in several minutes after turning the air conditioner on.
●
There is a possibility of short circuit.
•
Check capacity of circuit breaker.
Replace with suitable
one (larger capacity).
NO
Capacity of circuit breaker is
suitable.
(Only for heat pump model)
Measure resistance of fan motor
winding.
Measure resistance of 4-way valve's
winding.
•
•
•
Measure resistance of compressor
motor winding.
7-2-2. Neither fan motor nor compressor motor runs.
A. Power is not supplied.
Circuit breaker
is tripped.
Reset breaker.
NO
•
Check power supply.
Power is being supplied to the unit.
Wait for recovery
or contact power
company.
Power failure
B. Check "MODE selector" on the control panel.
(Cooling only models) and
(Cooling & electric heating models)
Set to "COOL".
If it is set at OFF.
•
Check that MODE selector switch is
not set at "OFF".
(Heat pump model)
Set to "COOL"
Check PCB Ass'y.
or "HEAT".
C. Check transformer.
(Only for heat pump model)
•
Check continuity of primary and
secondary winding to see if the lead
wires are disconnected.
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7-3. Some part of air conditioner does not operate.
7-3-1. Only fan does not run.
•
Check fan casing
foreign matter on
inside.
Remove foreign
matter or repair.
Fan cannot
be turned.
•
Check fan rotation.
Turn fan gently once or twice by
hand.
Fan motor burnout
or foreign matter in
bearings.
Repair or replace.
•
Measure resistance of fan motor
winding.
OK
•
•
Check fan motor capacitor and
4P-connectors (Socket and Plug).
(Only for heat pump model)
Check PCB Ass'y . (Power pack)
7-3-2. Electric heater does not work.
Both for (cooling & electric heating models) and (heat pump model)
•
•
Measure resistance of electric
heater winding.
Measure coil resistance of
heater relay.
•
Check to see if the circuit of
heater thermostat is opened or
closed ?
Blown
•
Check continuity for thermal
fuses.
Replace them.
(Only for heat pump model)
•
Check PCB Ass'y. (Power pack)
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7-3-3. Only compressor unit does not run.
A. Check setting temperature.
COOL mode
HEAT mode
(Only for heat pump model)
Is room temperature too high ?
NO
Is room temperature too low ?
NO
Try to lower setting temperature by
thermostat knob cooler.
Try to raise setting temperature by
thermostat knob warmer.
B. Check compressor and electrical parts.
Overload relay is working.
•
Check compressor motor
capacitor.
(OLR)
YES
•
Temperature of compressor
is abnormally high.
Measure resistance of
compressor motor winding.
YES
(Only for 115V models)
Check PTC thermistor.
YES
•
Refrigerant gas shortage.
NO
Charge refrigerant gas (R22).
Rotor may be locked up.
Cooling only models
Cooling & electric heating models
CAUTION
●
If the unit is turned off during cooling, DO NOT restart it immediately, as this
can damage it. Wait at least 3 minutes or so before starting it again.
Heat pump model
●
●
The compressor does not start up immediately even when the MODE selector
switch is set to COOL or HEAT (It starts operating in about 3 minutes).
This is because rough 3-minute timer is built into the heat pump model in order
to protect the compressor. When operation is started up or restarted, the fan
operation begins immediately but the compressor starts operating after about
3-minute lag.
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7-4. Air conditioner operates, but abnormalities are observed.
7-4-1. Operation does not switch from HEAT to COOL (or COOL to HEAT).
(Only for heat pump model)
OK
•
Measure resistance of 4–way valve's
winding.
Check PCB Ass'y . (Power pack)
7-4-2. Poor cooling or heating.
Temperature
difference
is small.
•
Possibility of
gas shortage.
Charge refrigerant
gas (R22).
Measure temperature of suction and
discharge air of air conditioner.
Temperature difference between
suction and discharge air is
large enough (In cooling operation:
approx. 14 °F or more).
• Check for clogging of air filter.
Clean filter.
Air filter is clogged.
YES
Set fan speed to HIGH.
•
•
Fan speed is set to LOW.
Reduce cooling or heating
load or replace the air
conditioner with larger
capacity.
Review cooling load estimate,
if performance of air conditioner is
normal.
7-4-3. Excessive cooling or heating.
NO
Set temperature to higher or
lower value using thermostat.
•
Set temperature is suitable.
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7-5. If a sensor is defective. (Only for heat pump model)
7-5-1. Room temp. thermistor (RTH) is defective.
A. Open
When thermistor opens, the air conditioner will be in the following conditions
as the controller tries to detect extremely low room temperature.
a) In Cooling mode: The air conditioner soon stops and will not start again. (Thermo.OFF)
Compressor does not run.
b) In Heating mode: The air conditioner continues to operate. (Thermo.ON)
(Heat pump)
Electric heater does not stop.
As a result, the room becomes too warm.
Temperature
sensor
B. Short
Lead
wires
When thermistor is short, the air conditioner will be in the following conditions
as the controller tries to detect extremely high room temperature.
Thermistor Structure
a) In Cooling mode: The air conditioner continues to operate. (Thermo.ON)
Compressor does not stop.
As a result, the room becomes too cold.
b) In Heating mode: The air conditioner soon stops and will not start again. (Thermo.OFF)
(Heat pump) Neither compressor nor electric heater runs.
NOTE
Definition of Open or Short Circuit of Sensor (Thermistor)
Open...A lead wire is broken or disconnected or the circuit inside the temperature sensor is open .
Short... The protective cover of a lead wire has been damaged, and the exposed wire is touching another metal
part, or both lead wires have become exposed and are touching each other. Alternatively, the circuit inside
the temperature sensor is closed.
34
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8. CHECKING ELECTRICAL COMPONENTS
8-1. Measurement of Insulation
Power plug
Resistance
●
The insulation is in good condition if the resistance
Ground
exceeds 2MΩ.
Probe
8-1-1. Power Cord and Unit
Insulation tester
Fig. 1
Clamp the grounding prong of the power plug with a lead
clip of the insulation resistance tester and measure the
resistance by placing a probe on either of the two power
blade. (Fig. 1)
NOTE
The shape of the power plug may differ from that
of the air conditioner which you are servicing.
Then, also measure the resistance between the
grounding prong and other power blade. (Fig. 1)
Probe
8-1-2. Measurement of Insulation
Resistance for Electrical Parts
Disconnect the lead wires of the desired electric part
from terminal plate, switch, capacitor, etc. Similarly
disconnect the connector. Then measure the insulation
resistance.
Clip
Copper
tube or
metallic part
(Figs. 2 to 3)
Insulation
tester
Fig. 2
Refer to Electric Wiring Diagram.
From fan motor,
compressor and
other parts
NOTE
If the probe cannot enter the poles because the hole is
too narrow then use a probe with a thinner pin.
Probe
Metallic
part
Clip
Insulation
tester
Fig. 3
Fig. 4
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8-2. Checking Motor Capacitor
Remove the lead wires from the capacitor terminals, and
then place probes on the capacitor terminals as shown in
Fig. 4. Observe the deflection of the pointer, setting the
resistance measuring range of the multimeter to the
maximum value.
Multimeter
The capacitor is “good” if the pointer bounces to a great
extent and then gradually returns to its original position.
The range of deflection and deflection time differ
according to the capacity of the capacitor.
8-3. Checking Fan Motor Winding
Referring to the electrical diagram, disconnect fan motor
connectors, and measure the resistance between each
lead wire with a multimeter.
Compressor motor
capacitor
The multimeter should be set in the X1 range. If the fan
motor is hot, allow a few minutes until it gets cooled
down.
Fan motor
capacitor
When the resistances between each lead wire are those
listed in "2-2. Major Component Specifications" the fan
motor should be normal.
Fig. 4
8-4. Checking Compressor Motor Winding
Checking compressor motor winding can be done in the
similar manner.
Multimeter
Remove the terminal cover of the compressor motor,
setting the resistance measuring range of the multimeter
to "X1Ω" and check the continuity between each pair out
of the 3 terminals as shown in Fig. 5.
Compressor motor
coil terminal
Refer to "2-2. Major Component Specifications" for coil
resistance.
Fig. 5
8-6. Checking Thermistor
(Only for heat pump model)
Unplug the 2P connector connected to PCB Ass´y and
measure the resistance of the thermistor with a
multimeter, which is set in the X1 kΩ range.
If the thermistor is normal, the multimeter should read
approximately 15kΩ at 32˚F.
36
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9. DISASSEMBLY PROCEDURE
9-1. Removing Front Grille
Wall sleeve
Front grille
1) Pull the bottom part of the front grille toward you.
➀
(Fig. 1- )
➁
2) Lift up and unhook the grille to remove it. (Fig. 1- )
➁
➀
Fig. 1
9-2. Removing Wall Sleeve
Wall sleeve
(1) While supporting the bottom part of the unit, pull it
out of the wall sleeve. (Fig. 2)
Unit
Fig. 2
9-3. Removing Electrical Component
Box
Knob
(1) Remove knobs and the control panel from the
electrical component box.(Fig. 3)
Control
panel
Fig. 3
Electrical compornent box
(2) Remove the screws holding the lid of the electrical
component box, and also remove the wire clamp
holding the lead wires. (Fig. 4)
Lid
Fig. 4
Wire clamp
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➀
(3) Remove the following screws. (Fig. 5)
➀
➁
➂
2 screws holding the component box
2 screws holding the ventilator knob
1 screw holding the power supply cord
➁
➂
Fig. 5
(4) Disconnect the wiring connectors and lead wires
connecting the following electrical parts in the
electrical component box.(Fig. 6)
• Compressor motor capacitor
• Fan motor capacitor
Compressor motor
capacitor
Fan motor capacitor
Fig. 6
Top cover plate
9-4. Removing Electric Heater
(1) Remove the 6 screws holding the top cover plate.
(Fig. 7)
Fig. 7
(2) Remove the 5 screws holding the blade Ass´y.
(Fig. 8)
Blade Ass´y
Fig. 8
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(3) Lift the electrical heater up out of the unit. (Fig. 9)
(4) Remove the 4 screws holding the electric heater
and take off the evaporator’s casing plate. (Fig. 10)
Electric
heater
Fig. 9
Fig. 10
9-5. Removing Blower Wheel
Blower wheel
(1) Remove the electric heater.
Refer to “9-4. Removing Electric Heater.”
(2) Loosen the bolt holding the blower wheel on the
motor shaft. (Fig. 11)
Fig. 11
(3) Remove the blower wheel from the unit. (Fig. 12)
Blower wheel
Fig. 12
9-6. Removing Evaporator
(1) Remove the top cover plate and blade Ass´y.
Refer to “9-4. 1) and 2) Removing Electric Heater.”
(2) Remove the screws holding the evaporator.
(Fig. 13)
Fig. 13
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Condenser casing
9-7. Removing Condenser
(1) Remove the screws holding the condenser casing.
(Fig. 14)
Fig. 14
(2) Remove the screws holding the condenser.
(Fig. 15)
(3) Hold the lower part of the condenser with both
hands and tilt slightly, then lift up carefully to avoid
distorting the copper tube.
Condenser
Fig. 15
9-8. Removing Propeller Fan
(1) Remove the condenser.
Refer to “9-7. Removing Condenser.”
(2) Loosen the bolt holding the propeller fan on the
motor shaft. (Fig. 16)
Fig. 16
Condenser
Propeller fan
(3) Remove the propeller fan from the motor shaft.
(Fig. 17)
Fig. 17
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9-9. Removing Fan Motor
(1) Remove the condenser.
Refer to “9-7. Removing Condenser.”
(2) Remove the propeller fan.
Refer to “9-8. Removing Propeller Fan.”
(3) Remove the 3 screws of the fan motor mounting
plate. (Fig. 18)
Fig. 18
Fan motor
41
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10. FUNCTION
10-1. Room Temperature Control
Room temperature control is obtained by cycling the compressor ON and OFF.
Cooling Only Model
Models STB0810C1 STB1010C1 STB1020C1 STB1220C1
■
Cooling
●
Thermo. ON : When the room temperature rises above T + 4°F (T°F is set temperature).
➞
Compressor
ON
●
Thermo. OFF : When the room temperature falls below set temperature T°F.
➞
Compressor
OFF
Room temp.
T+4 °F
T °F
set temp.
ON
ON
Compressor
Fan motor
OFF
OFF
Set speed
42
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Cooling & Electric Heating Model
Models STB0811C1 STB1023C1 STB1123C1
■
Cooling
●
Thermo. ON : When the room temperature rises above T + 4°F (T°F is set temperature).
➞
Compressor
ON
●
Thermo. OFF : When the room temperature falls below set temperature T°F.
➞
Compressor
OFF
Room temp.
T+4 °F
T °F
set temp.
ON
ON
Compressor
Fan motor
OFF
OFF
Set speed
■
Heating
●
Heater ON : When the room temperature falls below T – 4°F (T°F is set temperature).
➞
Heater
ON
●
Heater OFF : When the room temperature rises above set temperature T°F.
➞
Heater
OFF
Room temp.
set temp.
T °F
T–4 °F
Heater
ON
ON
OFF
OFF
Fan motor
Set speed
43
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Heat Pump Model
Model
STB0823H1
■
Cooling
●
●
Once the compressor stops, it will not start running again for about 3 minutes.
Thermo. ON : When the room temperature rises above T + 1°F (T°F is set temperature).
➞
Compressor
ON
●
Thermo. OFF : When the room temperature falls below set temperature T°F.
➞
Compressor
OFF
Room temp.
T+1°F
T °F
set temp.
3 minutes
3 minutes
OFF
or more
Compressor
ON
ON
ON
OFF
■
Heating (Except during defrosting operation)
●
●
Once the compressor stops, it will not start running again for about 3 minutes.
Thermo. ON : When the room temperature falls below T°F (T°F is set temperature).
➞
Compressor
ON
●
Thermo. OFF : When the room temperature rises above T + 1°F.
➞
Compressor
OFF
●
●
Changeover to Heater ON : When the room temperature falls below T – 4°F, the unit turns off heat pump
operation and electric heater comes on instead of compressor.
Changeover to Heat pump : When the room temperature rises above T – 3°F, the unit resumes heat pump
operation and compressor comes on instead of electric heater.
Room temp.
T+1 °F
set temp.
T °F
T–3 °F
T–4 °F
3 minutes
or more
3 minutes
OFF
3 minutes
OFF
ON
ON
ON
Compressor
Heater
ON
OFF
OFF
OFF
ON
ON
ON
OFF
OFF
OFF
OFF
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10-2. Defrosting Operation (Heating)
Heat Pump Model
Model
STB0823H1
■ Defrosting Flowchart
Compressor ON
NO
Temperature of outdoor heat
exchanger coil is blow 14°F.
YES
Defrosting begins
● Compressor
● Electric Heater
➞
➞
OFF
ON
Temperature of outdoor heat
exchanger coil is higher than
39°F.
NO
YES
Release of defrosting
■ Defrosting Mode Timing Chart
Start of defrosting
Release of defrosting
Compressor
OFF
ON
ON
ON
Electric heater
OFF
OFF
Solenoid coil
(4-way valve)
ON
Fan motor
Set speed
39 °F
Outdoor heat
exch coil
temp.
14 °F
Once the air conditioner enters defrosting mode, it will not release defrosting until the
outdoor heat exchanger coil temperature rises above 39°F. During this period, heat is
provided by electric heater instead of by the heat pump.
NOTE
45
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APPENDIX
Control Panel
■ Cooling Only Model
Models STB0810C1 STB1010C1 STB1020C1 STB1220C1
THERMOSTAT
SELECTOR
OFF
LOW
FAN
LOW
COOL
HIGH
FAN
HIGH
COOL
Thermostat
Mode
selector
COOLER
■ Cooling & Electric Heating Model
Models STB0811C1 STB1023C1 STB1123C1
THERMOSTAT
SELECTOR
LOW FAN
HIGH
FAN
OFF
LOW
HEAT
LOW
COOL
Thermostat
Mode
selector
HIGH
HIGH
WARMER
COOLER
HEAT
COOL
■ Heat Pump Model
Model
STB0823H1
THERMOSTAT
SELECTOR
OFF FAN
LOW
LOW
HEAT
COOL
HIGH
HEAT
HIGH
COOL
Thermostat
Mode
selector
WARMER
COOLER
46
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Fan Switch
The location of Fan Switch differ according to models.
When set to CYCLE, fan operation synchronizes with that of compressor's (or heater's) thermo ON and
thermo OFF, thereby saving power. When set to CONT, fan continues to operate regardless of thermo
ON or thermo OFF condition.
Fan switch
CYCLE
CONT
Fan switch
FAN
CONT
CYCLE
Cooling Only Model
Cooling & Electric Heating Model
Heat Pump Model
47
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For Parts or Service Contact
SANYO HVAC SERVICE CENTER
SANYO Fisher Service Company
1165 Allgood Road, Suite 22, Marietta, GA 30062 U.S.A.
300 Applewood Crescent, Concord, Ontario, L4K 5C7, CANADA
May. / 2001 / 850 Printed in Japan
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