SPLIT TYPE
ROOM AIR CONDITIONER
CEILING TYPE (60Hz)
Indoor unit Outdoor unit
MS36Y3F MR36Y3F
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . .
OUTLINE AND DIMENSIONS . . . . . . . . .
REFRIGERANT SYSTEM DIAGRAM. . . .
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . .
INDOOR PCB CIRCUIT DIAGRAM . . . . .
OUTDOOR PCB CIRCUIT DIAGRAM . . .
1
2
4
5
7
8
ERROR CONTENTS . . . . . . . . . . . . . . .11
DISASSEMBLY ILLUSTRATION . . . . . .13
PARTS LIST. . . . . . . . . . . . . . . . . . . . . .21
ACCESSORIES . . . . . . . . . . . . . . . . . . . 23
OUTLINE AND DIMENSIONS
INDOOR UNIT
Unit : inch (mm)
65-1/2" (1,660)
9-1/2"
(240)
63" (1,600)
2006.02.28
2
OUTDOOR UNIT
Unit : inch (mm)
1-1/4"
(31)
1/2"
(12)
3"(77)
13" (330)
35-1/2" (900)
15-3/4" (400)
Air Flow
25-5/8" (650)
5-3/4" (147)
6-3/4" (170)
2006.02.28
3
REFRIGERANT
SYSTEM DIAGRAM
OUTDOOR UNIT
INDOOR UNIT
Pressure
Check Valve
Refrigerant Pipe
15.88mm (5/8")
High Pressure
Switch
Charging
Valve
4-way
Valve
Muffler
Evaporator
Condenser
Accumulator
Compressor
Expansion
Valve
Refrigerant Pipe
9.52mm (3/8")
Strainer
Strainer
Charging Valve
: COOL
: HEAT
2006.02.28
4
CIRCUIT DIAGRAM
INDOOR UNIT
ROOM THERMISTOR
PIPE THERMISTOR
1 2
1 2
CN6 CN7
1 2
1 2
CN8
1
2
3
FAN MOTOR
CAPACITOR
WHITE
WHITE
1
2
CN201
BROWN
RED
ORANGE
YELLOW
WHITE
BLUE
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
BROWN
RED
ORANGE
YELLOW
WHITE
1
2
3
4
5
1
2
3
4
5
STEP MOTOR
( UP / DOWN )
M
M
PURPLE
GRAY
GRAY
PURPLE
BLUE
1
2
3
1
2
3
BROWN
RED
ORANGE
YELLOW
WHITE
1
2
3
4
5
1
2
3
4
5
FAN MOTOR
F M
STEP MOTOR
( LEFT / RIGHT )
BLACK
WHITE
RED
2
1
3
1
2
3
CN17
3 2
CN1
3 2
1
1
Use T 3.15A-250V
Fuse on F101
POWER SUPPLY PCB
GREEN
G
3
2
1
3
2
1
TERMINAL
2006.02.28
5
OUTDOOR UNIT
OUTDOOR THERMISTOR
COMPRESSOR THERMISTOR
HEAT SINK THERMISTOR
BLUE
BLACK
PIPE THERMISTOR
BROWN
BROWN
DISCHARGE THERMISTOR
BLACK
1
2
1
2
1
2
1
2
1
2
EMI FILTER
RED1T
CN21 CN22 CN23
CN25
CN26
CONNECTOR
RED
COMPRESSOR
RED
RED
U
1
2
CN37
CN30
HIGH PRESSURE SWITCH
W305
U
V
W304
WHITE
WHITE
V
FUSE
F4 T 5A-250V
SOLENOID COIL
BLACK
BLACK
1
2
3
W
W
W303
BLACK
BLACK
4WV
BROWN
RED
ORANGE
ACTIVE
1
2
3
4
5
6
1
2
3
4
5
FILTER
RED
CN407
FAN MOTOR
1
2
3
4
5
6
MODULE
TERMINAL
BLACK
WHITE
YELLOW
BLUE
YELLOW
F M
CN802
BLACK
WHITE
L1
YELLOW
CONTROLLER
PCB ASSY
P
N
W12
W13
BLUE
BLACK
BROWN
L2
+
EMI FILTER
2T
-
CHOKE COIL
RED
BROWN
BLUE
ORANGE
YELLOW
WHITE
ORANGE
FUSE
1
2
3
4
5
6
EXPANSION VALVE COIL
E V
W21
W22
ORANGE
F2 T 3.15A-250V
CN27
RED
W16
W17
BLACK
W10
W11
POSISTOR
CN1
CN34
W200
1
2
3
3 4
1
2
WHITE
BLACK
2
CN1
1
3
TM102
W9 W8
POWER SUPPLY PCB ASSY
TM101 W3
W7
W1 W2
W6
RED
G
1
2(N) 3
L
N
G
EARTH
EARTH
2006.02.28
6
ERROR CONTENTS
(Indoor unit)
Operation can be checked by lighting and flashing of the display section OPERATION,
TIMER, and VERTICAL SWING lamps.
Perform judgment in accordance with the following.
VERTICAL SWING lamp (Orange)
TIMER lamp (Green)
OPERATION lamp (Red)
MANUAL
AUTO
SWING SWING TIMER OERATION
TEST RUNNING
When the air conditioner is run by pressing the remote control unit test run button, the
OPERATION, TIMER, and VERTICAL SWING lamps flash slowly at the same time.
ERROR
The OPERATION, TIMER, and VERTICAL SWING lamps operate as follows
according to the error contents.
OPERATION TIMER lamp SWING lamp
Error contents
lamp (RED)
(GREEN)
(ORANGE)
Indoor EEPROM abnormal
Outdoor EEPROM abnormal
(2 times)
(2 times)
(3 times)
(3 times)
(4 times)
(5 times)
(5 times)
(6 times)
Indoor room temperature sensor open
Indoor room temperature sensor shortcircuited
Indoor heat exchanger temperature sensor open
Indoor heat exchanger temperature sensor shortcircuited
Float switch operated
Indoor signal abnormal
Outdoor signal abnormal
Indoor fan abnormal
(2 times)
(3 times)
(3 times)
(4 times)
(4 times)
Outdoor power source connection abnormal
Outdoor heat exchanger temperature sensor open
Outdoor heat exchanger temperature sensor shortcircuited
Outdoor temperature sensor open
Outdoor temperature sensor shortcircuited
Outdoor discharge pipe temperature sensor or compressor
temperature sensor open
(5 times)
Outdoor discharge pipe temperature sensor or compressor
temperature sensor shortcircuited
(5 times)
(6 times)
(7 times)
Outdoor high pressure abnormal
Outdoor discharge pipe temperature or compressor
temperature sensor abnormal
: 0.1s ON/0.1s OFF (flash)
: 0.5s ON/0.5s OFF (flash)
: OFF
2006.03.13
11
ERROR CONTENTS
(outdoor unit)
1. Make a TEST RUN in accordance with the in-
stallation instruction sheet for the indoor unit.
2. When the product is operating:
1
Press the PUMP DOWN switch on the outdoor unit.
The LED on the outdoor unit circuit board lights, and
operation stops. At this point, recovery has not been
completed, so do not close the two- and three-way
valves.
2. OUTDOOR UNIT LEDS
When a malfunction occurs in the outdoor unit, the LED on
the circuit board lights to indicate the error. Refer to the fol-
lowing table for the description of each error according to the
LED.
2
3
4
The pump down operation (cooling operation) be-
gins after three minutes. Close the three-way valve
(liquid) after operation starts.
LED
Error contents
Communication error
After 2 - 3 minutes, operation stops. Close the three-
way valve (gas) within one minute after operations
stops.
1 flash
(Indoor unit - Outdoor unit)
2 flash Discharg pipe temperature sensor
3 flash Outdoor heat exchanger temperature sensor
4 flash Outdoor temperature sensor
7 flash Compressor temperature sensor
8 flash Heat sink temperature sensor
9 flash Pressure switch abnormal
The LED will go out three minutes after it stops. Dis-
connect the power supply after confirming that the
LED has gone out.
*When the pump down operation is repeated, temporarily disconnect
the power supply after opening the closed valves (both liquid and gas).
Reconnect the power supply after 2 - 3 minutes and perform the pump
down operation.
12 flash IPM error
*When the start of the operation after pump down operation has been
completed, temporarily disconnect the power supply after opening the
closed valves (both liquid and gas).
Reconnect the power supply after 2-3 minutes and be sure to perform
a test operation for cooling.
13 flash Compressor rotor position cannot detect
14 flash Compressor cannot operate
15 flash Outdoor fan abnormal (upper fan)
16 flash Outdoor fan abnormal (lower fan)
3-way valve
(Liquid)
lighting
No error
SPECIAL INSTALLATION
SETTING
PUMP DOWN (Refrigerant collecting operation)
3-way valve
(Gas)
Perform the following procedures to collect the refrigerant
when moving the indoor unit or the outdoor unit.
1. When the product is stopped:
PUMP DOWN SW
1
Press the PUMP DOWN switch on the outdoor unit.
(The LED on the outdoor unit circuit board lights.)
2
The pump down operation (cooling operation) be-
gins right away. After oparation starts, close the
three-way valve (liquid).
3
4
After 2 - 3 minutes, operation stops. Close the three-
way valve (gas) within one minute after operations
stops.
The LED will go out three minutes after it stops.Dis-
connect the power supply after confirming that the
LED has gone out.
DANGER
This part (Choke coil) generates high voltages.
Never touch this part.
2006.02.28
12
DISASSEMBLY ILLUSTRATION
INDOOR UNIT
Model : MS36Y3F
2006.02.28
13
Model : MS36Y3F
506
407
505
408
69
435
434
876-1
386
361
160
91
387
91
321
91
2006.02.28
14
Model : MS36Y3F
321
63
387
436
385
424
438
868
684
763
876-2
227
2006.02.28
15
Model : MS36Y3F
195
34
253-5
253-3
253-4
253-6
195
253-7
253-2
253-1
236
234
875
380
185-1
625
381-4
187
815-1
472
223
448
2006.02.28
16
Model : MR36Y3F
1
6
4
7
3
2
5
2006.02.28
17
Model : MR36Y3F
10
13
9
17
18
15
14
8
2006.02.28
18
Model : MR36Y3F
26
24
25
31
27
22
23
19
29
28
12
12
30
20
2006.02.28
19
Model : MR36Y3F
38
37
36
35
33 34
2006.02.28
20
PARTS LIST
INDOOR UNIT
Ref. Description
Part No.
Ref. Description
Part No.
8
12
34
56
63
69
74
91
109
122
Air Filter
Base Assy
Capacitor
Sirocco Fan Assy
Panel (Front)
Louver
Intake Grille
Hinge
9359739005
9359680000
9900270216
9359701002
9359734000
9359719007
9359738008
9359699002
9359704003
9357921006
345-1 Filter Guide-R
345-2 Filter Guide-L
9359692003
9359693000
9359733003
9359694007
313209391403
0600118075
9359744009
9359745006
9359707004
9702260019
361
379
380
Bushing
Hinge Plate (Grille)
Locking Spacer KGLS-6S
381-4 Spacer
382
383
384
385
Cover (Decoration)-R
Cover (Decoration)-L
Shaft
Casing
Bearing-B Assy
Indicator PCB Assy
126
138
146
160
164
174
181
Bracket (Motor)
Separate Wall
Evaporator Assy
Drain Pan Sub Assy
Fan Motor Assy-IN
Hanger
9359681007
9359700005
9371073040
9360429018
9360457004
9359742005
9359691006
9357376004
313361271706
313361275805
386
387
388
396
403
407
408
424
434
435
Panel Left Assy
Kit (Panel Right Assy)
Joint Assy
Rfm Bracket Metal
Fixture (Bearing)
Rod (Motor)
Link (Louver)
Sector Gear
Base (Louver)
Louver Spring
9359685005
9371361017
9359706007
9359697008
9359687009
9359723004
9359726005
9359729006
9359718000
9359720003
Hole Cover
185-1 Rubber Bushing
187
195
Clamp No.1219
Clamp SKB-100
223
227
228
229
234
236
Control Box Assy
9362025003
9359735076
9359721000
9359722007
9703299025
9705914285
(K01AL-050RHSE-C1)
9371190051
9359690009
9359689003
436
438
448
472
505
506
580
625
684
735
Flap Spring
Pinion Gear
9359730002
9359728009
9359713005
9359712008
9359724001
9359725008
9359737001
9359240006
9359727002
9360455000
Badge "FRIEDRICH"
Insulation (Louver)-R
Insulation (Louver)-L
Thermistor (Room)
Controller PCB Assy
Control Box-B
Control Box-A
Stopper (Louver)
Rod (Louver)
Cover (Top)
Cord Bushing
Motor Base
240
Remote Control Unit
240-1 Cover Panel (Pipe)-L
240-2 Cover Panel (Pipe)-R
Distributor Assy
253-1 Wire Assy (Terminal)
253-2 Wire Assy (Terminal)
253-3 Wire Assembly
253-4 Wire Assy (Connector)
253-5 Wire Assy (Connector)
253-6 Wire Assy (Connector)
253-7 Wire Assy (Connector)
9702321017
9702322014
9702311018
9702323011
9702319014
9702317010
9702318017
9359686002
9359731009
9373038214
743
752
755
761
762
763
Remote Control Holder Case
Bracket Panel (Pipe)
Cover (Casing)
Kit (Cover Side-R)
Kit (Cover Side-L)
Cover (Receiver)
9305642014
9359688006
9359705000
9371364018
9371365015
9359714002
9703403019
9359736004
9704561350
9360479013
815-1 Terminal-7P
868
875
286
321
329
Bracket (Bearing)
Flap Assy
Coupling Pipe Assy
PCB Holder
Power Supply PCB Assy
876-1 Motor, Step-H
338-1 Fixture (Motor)
338-2 Fixture (Motor)-B
9359702009
9359703006
876-2 Motor, Step
9900362010
9900022020
---
Thermistor (Pipe)
2006.02.28
21
OUTDOOR UNIT
Ref.
Description
Part No.
1
2
3
4
5
6
7
8
Top Panel Sub Assy
Front Panel
9374417025
9374094066
9374330010
9374173013
9374415038
9374416073
9375212025
9366378020
Fan Guard
Grip Side
Service Panel Sub Assy
Right Panel Sub Assy
LABEL (FRIEDRICH)
Propeller Fan Assy
9
10
Motor, Induction
Condenser-A Assy
9602114016
9374433148
12
13
14
15
17
Strainer Assy
Separate Wall Assy
Cap Foot
9372524015
9375226015
9374345014
9374166183
9372205044
Base Assy
3-Way Valve Assy
18
19
20
22
23
24
25
26
3-Way Valve Assy
Check Joint Assy
Compressor Assy
4-Way Valve
9372205075
9372802038
9373711018
9900164010
9900165055
9900186012
9373461067
9373463054
Solenoid
Pressure Switch
Inlet Pipe Cond A Assy
Inlet Pipe Cond B Assy
27
28
29
30
31
33
34
35
Outlet Pipe Cond A Assy
Expansion Valve Assy
Coil (Expansion Valve)
Distributor
Discharge Pipe A Assy
Terminal 2P
9374266050
9370947113
9900057039
9369128004
9372264140
9701971015
9900203023
9703457012
Terminal 5P
ACTPM
36
37
38
----
Holder Thermo
9372797013
9705642102
9705647053
0600239534
Inverter PCB Assy
Power PCB Assy
Fuse 3.15A-250V
----
----
----
Thermistor (Outdoor Temp.) 9900378035
Heat Exchanger Thermistor 9900374013
Thermistor (Discharge)
9704219114
----
----
----
----
----
----
----
----
Compressor Thermistor
Thermistor
Heatsink Thermistor
Transformer
Varistor
9900156022
9704265012
9900311018
9702334024
0000361224
0600280147
9900117016
9900007010
Arrester
Relay
Relay
----
----
----
Switch Push
Switch Slide
Drain Pipe Assy
9703476013
9701392018
9303029015
----
Drain Cap
313166024302
2006.02.28
22
ACCESSORIES
INDOOR UNIT
Name and Shape
Q'ty
Application
Name and Shape
Q'ty
Application
Remote
control
Use for air conditioner
operation
Coupler heat insulator (large)
For indoor side pipe joint
(Gas pipe)
2
1
Coupler heat insulator (small)
Nylon fastener
For indoor side pipe joint
(Liquid pipe)
1
Battery (penlight)
For remote control unit
2
1
Large
4
Small
4
For fixing the coupler heat
insulator
Remote control
unit holder
For mounting the remote
control unit
Special nut A
(large flange)
For installing indoor unit
For installing indoor unit
4
4
1
Special nut B
(small flange)
Tapping screw
(ø3 x 12)
For remote control unit
holder installation
2
1
1
For positioning the indoor
unit
Installation
template
Drain hose insulation
VT wire
Adhesive type 70 x 230
For connecting the piping
Auxiliary pipe assembly
For fixing the drain hose
L 280 mm
1
OUTDOOR UNIT
Name and Shape
Q'ty
Application
OPTIONAL PARTS
The following options are available.
Drain pipe
1
DRAIN PUMP UNIT : UTR-DPB241 (P/N 9034087001)
For outdoor unit drain
piping work (May not be
supplied, depending on
the model.)
WIRED REMOTE CONTROLLER UNIT : UTB-UUB(P/N 9075887004)
Drain cap
5
2006.02.28
23
0602G3034
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