Friedrich MR12Y3H User Manual

Models  
Indoor Units  
MW09Y3H  
MR09Y3H  
MW12Y3H  
MR12Y3H  
Outdoor Units  
SPECIFICATIONS  
ELECTRICAL DATA  
TYPE  
NOISE LEVEL  
Cool & heat inverter  
MW09Y3H  
MW12Y3H  
MR09Y3H MR12Y3H  
8,500 BTU/h 11,500 BTU/h  
(2.50 kW) (3.40 kW)  
10,000 BTU/h 14,000BTU/h  
High speed  
43 dB  
38 dB  
33 dB  
22 dB  
43 dB  
38 dB  
33 dB  
22 dB  
46 dB  
46 dB  
43 dB  
38 dB  
33 dB  
22 dB  
43 dB  
38 dB  
33 dB  
22 dB  
49 dB  
49 dB  
INDOOR  
UNIT  
Cooling  
INDOOR UNIT  
Middle speed  
Low speed  
Quiet  
OUTDOOR UNIT  
COOLING CAPACITY  
HEATING CAPACITY  
High speed  
Middle speed  
Low speed  
Quiet  
INDOOR  
UNIT  
Heating  
(2.93 kW)  
208 / 230 V  
60 Hz  
(4.11 kW)  
208 / 230 V  
60 Hz  
POWER SOURCE  
FREQUENCY  
OUTDOOR UNIT Cooling  
OUTDOOR UNIT Heating  
Cooling  
3.3 A  
4.3 A  
RUNNING  
CURRENT  
Heating  
Cooling  
Heating  
3.6 A  
5.2 A  
0.68 kW  
0.76 kW  
0.92 kW  
1.12 kW  
INPUT WATTS  
COMPRESSOR AND REFRIGERANT  
Hermetic type,  
4 pole, 3 phase,  
DC inverter motor, Rotary  
12.5 BTU/Wh 12.5 BTU/Wh  
(3.68 kW/kW) (3.69 kW/kW)  
E.E.R.  
COP  
Cooling  
Heating  
COMPRESSOR TYPE  
13.16 BTU/Wh 12.5 BTU/Wh  
(3.86 kW/kW) (3.67 kW/kW)  
DISCRIMINATION  
WEIGHT (with oil)  
DA89X1C-20FZ2  
20 lb (9.2 kg)  
30 oz (850 g)  
R410A  
5SS072XAA  
13 lb (5.9 kg)  
MOISTURE REMOVAL  
AIR CIRCULATION HIGH  
2.7 Pts/h (1.3 L/h) 3.8 Pts/h (1.8 L/h)  
3
PRECHARGED REFRIGERANT 25 oz (700 g)  
447 cfm (760 m /h)  
REFRIGERANT TYPE  
R410A  
49 ft (15 m) 25 oz (700 g)  
66 ft (20 m) 28 oz (800 g)  
Cooling  
Heating  
6.0 A  
7.5 A  
6.5 A  
9.0 A  
MAXIMUM  
CURRENT  
Pipe length  
30 oz (850 g)  
34 oz (950 g)  
FULL CHARGE  
ADDITIONAL REFRIGERANT  
MAXIMUM PIPING HEIGHT  
0.21 oz/ft (20 g/m)  
FAN MOTOR  
POWER SOURCE  
230 V  
49 ft (15 m)  
High speed  
1,300 r.p.m.  
1,130 r.p.m.  
900 r.p.m.  
650 r.p.m.  
1,300 r.p.m.  
1,130 r.p.m.  
950 r.p.m.  
680 r.p.m.  
INDOOR  
UNIT  
Cooling  
Middle speed  
Low speed  
Quiet  
DIMENSIONS  
11-1/32 x 31-3/32 x 7-25/32 inch  
(280 x 790 x 198 mm)  
INDOOR UNIT  
H x W x D  
21-1/4 x 25-31/32 x 11-13/32 inch  
(540 x 660 x 290 mm)  
OUTDOOR UNIT H x W x D  
High speed  
Middle speed  
Low speed  
Quiet  
INDOOR  
UNIT  
Heating  
WEIGHT  
21 lb / 16.5 lb  
(9.5 kg / 7.5 kg)  
INDOOR UNIT Shipping / Net  
OUTDOOR UNIT Cooling 730 r.p.m.  
OUTDOOR UNIT Heating 650 r.p.m.  
860 r.p.m.  
760 r.p.m.  
62 lb / 55 lb 75 lb / 68 lb  
(28 kg / 25 kg) (34 kg / 31 kg)  
OUTDOOR UNIT Shipping / Net  
2
DIMENSIONS  
unit : inch (mm)  
INDOOR UNIT  
31-3/32 (790)  
7-25/32 (198)  
Refrigerant pipe length  
Liquid : 15-3/16 inch (386 mm)  
Gas : 12-15/16 inch (329 mm)  
Drain hose length : 23-5/8 inch (600 mm)  
Drain pipe diameter  
Inside : 5/8 inch (15.8 mm)  
Outside : 1-9/64 inch (29 mm)  
OUTDOOR UNIT  
11-13/32 (290)  
25-31/32 (660)  
18 (454)  
3
REFRIGERANT  
SYSTEM DIAGRAM  
Heat exchanger  
(indoor unit)  
2-Way valve  
Strainer  
3-Way valve  
Compressor  
Muffler  
4-Way valve  
Expansion valve  
Strainer  
Heat exchanger  
(outdoor unit)  
Refrigerant direction  
Cooling flow  
Heating flow  
Refrigerant pipe diameter  
Liquid : 1/4" (6.35 mm)  
Gas : 3/8" (9.52 mm)  
4
N
E E R G  
K
K
B L A C  
B L A C  
K
B L A C  
N
E E R G  
D E R  
E T W H I  
K
B L A C  
5
INDOOR PCB  
CIRCUIT DIAGRAM  
EARTH TERMINAL  
3
CONTROL UNIT  
MW09Y3H : EZ-00906HSE  
MW12Y3H : EZ-00907HSE  
THERMAL  
FUSE 102  
TO OUTDOOR UNIT  
N
L
TERMINAL BOARD  
2 1  
W4  
1 2 3 4 5  
CN2  
1871843-2  
CN1  
2013485-1  
BLACK  
BLACK  
BLACK  
BLACK  
1
2
3
4
THERMISTOR ( PIPE TEMP. )  
CN4  
1971032-4  
THERMISTOR ( ROOM TEMP. )  
RED  
1
2
3
4
5
ORANGE  
YELLOW  
PINK  
CN5  
1971032-5  
STEP MOTOR  
( LOUVER )  
M
BLUE  
CONTROLLER PCB ASSEMBLY  
MW09Y3H : K07AN-0907HSE-C1  
MW12Y3H : K07AN-0908HSE-C1  
FAN MOTOR  
RED  
1
2
3
4
5
6
7
1
WHITE  
WHITE  
WHITE  
2
3
4
5
6
7
INDICATOR PCB ASSEMBLY  
K07BJ-0700HSD-D0  
RED  
6
CN3  
1971032-7  
5
CN201  
JB20-07  
WHITE  
WHITE  
WHITE  
BLACK  
WHITE  
4
CN7  
B5 ( 6-5 ) B-XARK  
F. M.  
3
YELLOW  
BLUE  
2
1
1
2
3
1
2
3
4
5
4
CN8  
SJH20-08WSF  
CN6  
B5B-PH-K-S  
OPTION  
5
TEST  
6
7
8
6
7
INDOOR UNIT  
INDICATOR PCB ASSEMBLY  
K07BJ-0700HSD-D0  
5V  
5V  
CN201  
07 JB20 / GIC  
1061 L=230  
1
2
3
4
5
6
7
D201 SLR-343MC <GREEN>  
D202 SLR-343DC <ORANGE>  
D203 SLR-343YC <YELLOW>  
SW201  
KSHG0611BT  
A
MANUAL AUTO SWITCH  
R202  
47  
<1/4W>  
I C201  
GP1UM261RKVF  
A
5V  
VCC  
OUT  
GND  
2
1
3
C203  
0.1  
<F>  
C202  
+
47/  
10V  
A
A
8
2 x 4 1 G W A 7 2 1 U L 3  
R E D  
E T W H I  
9
>
< F 0 . 1 2 2 C  
V 5 3 / 0 0 1 2 2 0 C  
B P 2 4 Z H 0 2 3 D  
k 7 . 4 2 1 5 R  
% 1 k 7 . 4 2 1 0 R  
k 9 . 3 5 1 8 R  
k 9 . 3 6 1 6 R  
E 3 U 4 A C T 1 D  
2 0 1 Q  
10  
ERROR DETECTION  
Indoor unit LED  
Wired  
remote  
control  
Error  
Error  
Operation  
LED  
Coil dry  
LED  
Timer LED  
2 flash  
3 flash  
4 flash  
5 flash  
8 flash  
2 flash  
3 flash  
off  
off  
01  
01  
13  
13  
00  
02  
04  
Serial signal (reverse) error, at operation start up  
Serial signal (reverse) error, during oeration  
Serial signal (forward) error, at operation start up  
Serial signal (forward) error, during operation  
Wired remote control error  
Serial signal error  
Off  
off  
off  
off  
off  
off  
Indoor air thermistor error  
Indoor unit  
thermistor error  
2 flash  
Heat exchanger middle thermistor error  
2 flash  
3 flash  
4 flash  
2 flash  
2 flash  
3 flash  
5 flash  
6 flash  
2 flash  
3 flash  
2 flash  
3 flash  
2 flash  
3 flash  
off  
off  
off  
off  
off  
off  
off  
off  
off  
off  
off  
off  
off  
off  
0C  
06  
0A  
20  
17  
18  
1A  
1B  
12  
12  
0F  
24  
19  
19  
Discharge pipe thermistor error  
Heat exchanger thermistor error  
Outdoor air thermistor error  
Outdoor unit  
thermistor error  
3 flash  
4 flash  
Manual auto button welded  
Indoor unit control error  
Current trip error  
CT abnormal  
Outdoor unit  
control error  
5 flash  
Compressor location detection error  
Outdoor unit fan drive system abnormal  
Abnormal lock (upper fan motor)  
Abnormal rotation (upper fan motor)  
Discharge temperature abnormal  
Cooling high pressure abnormal rise  
Active filter abnormal (first time)  
Active filter abnormal (second time)  
Indoor fan motor error  
Refrigerant cycle error  
6 flash  
7 flash  
Optional function error  
8 flash  
4 flash  
off  
25  
11  
PFC circuit error  
Model information error 0.1 sec on/off 0.1 sec on/off 0.1 sec on/off  
Model information error  
11  
PARTS  
INDOOR UNIT  
Front panel assy  
1
5
4
5
2
4
3
7
Ref. Description  
Part number  
1
3
4
5
7
8
9
Front Panel Assy  
Intake Grille Assy  
Clamper (Grille)  
Air Filter  
67202083  
67202067  
67202003  
67202066  
67202215  
67202007  
67201533  
67202076  
67202077  
Panel Cover  
Remote Control  
Remote Control Holder  
8
-- Wire Cover  
-- Wire Shield  
9
12  
16  
INDOOR UNIT  
Evaporator  
14  
13  
11  
15  
12  
17  
Ref. Description  
Part number  
11 Evaporator Total Assy  
12 Joint Pipe Assy  
67202082  
67202084  
67202072  
67202071  
67202070  
67202069  
67202018  
13 Filter Guide  
14 Rear Bracket  
15 Evaporator Holder R  
16 Evaporator Holder L  
17 Room Thermistor Holder  
13  
42  
INDOOR UNIT  
Casing assy  
39  
37  
38  
36  
35  
23  
24  
33  
34  
28  
32  
30  
31  
41  
29  
27  
21  
40  
Ref. Description  
21 Casing Assy  
Part number  
Ref. Description  
Part number  
32 Louver Gear  
33 Gear A  
67202080  
67202030  
67202031  
67202098  
67202063  
67202023  
67202038  
67202079  
67202068  
67201206  
67202097  
67202062  
67202022  
67202033  
67202034  
67200922  
67202073  
67202074  
67202078  
23 Drain Hose Assy  
24 Drain Cap  
34 Motor Step  
35 Motor Cover (1)  
36 Motor Cover (2)  
37 Fan Motor  
27 Fan Guard  
28 R and L Louver B  
29 Cable Guide  
30 Conduit Holder  
31 Louver Gear Holder  
38 Crossflow Fan Assy  
39 Shaft Holder C  
40 Louver U  
41 Louver Z  
42 Bracket Panel  
14  
51  
INDOOR UNIT  
Control box  
57  
58  
54  
59  
56  
53  
52  
Ref. Description  
Part number  
51 Box Shield Assy  
52 Control Cover  
67202065  
67202075  
53 Cover Shield Assy  
54 Controller PCB Assy (09)  
54 Controller PCB Assy (12)  
56 Display PCB Assy  
57 Control Box  
67202090  
67202094  
67202095  
67202045  
67202091  
67202048  
67202061  
67202019  
58 Terminal  
59 Earth Terminal  
-- Thermistor Assy  
15  
4
5
1
3
15  
14  
9
6
2
8
7
1
12  
Ref. Description  
Part number  
1
2
3
4
5
6
7
8
9
Front Panel Assy  
Emblem  
67202179  
67202192  
67202180  
67202182  
67202103  
67201371  
67202183  
67202105  
67202106  
67201413  
67202107  
67202108  
67202109  
67202184  
67202111  
67202112  
67202181  
67201709  
Cabinet Left Assy  
Top Panel Assy  
Protective Net  
Switch Cover  
11  
Cabinet Right Assy  
Valve Bracket  
Valve Bracket Cover  
10 Propeller Fan  
11 Motor Bracket  
12 REM Plate Assy (09)  
12 REM Plate Assy (12)  
13 Fan Motor (09)  
13 Fan Motor (12)  
14 Reactor Assy  
13  
10  
PARTS  
15 Separator Assy  
-- Drain Pipe  
OUTDOOR UNIT  
MR09Y3H  
MR12Y3H  
16  
22  
30  
29  
OUTDOOR UNIT  
MR09Y3H  
28  
24  
27  
25  
26  
21  
Ref. Description  
21 Base Assy  
Part number  
67202163  
67202141  
67202119  
67202127  
67202129  
67202130  
67202131  
67202139  
67201422  
67202140  
22 Condenser Total Assy  
24 Compressor Assy  
25 2 way Valve Assy  
26 3 way Valve Assy  
27 Muffler  
28 4 way Valve  
29 Pulse Motor Valve Assy  
30 Expansion Valve Coil  
-- Solenoid  
17  
30  
OUTDOOR UNIT  
MR12Y3H  
29  
22  
28  
24  
27  
25  
26  
21  
Ref. Description  
21 Base Assy  
Part number  
67202164  
67202145  
67202125  
67202127  
67202129  
67202133  
67202134  
67202139  
67201422  
67202144  
22 Condenser Total Assy  
24 Compressor Assy  
25 2 way Valve Assy  
26 3 way Valve Assy  
27 Muffler  
28 4 way Valve  
29 Pulse Motor Valve Assy  
30 Expansion Valve Coil  
-- Solenoid  
18  
31  
OUTDOOR UNIT  
MR09Y3H  
MR12Y3H  
32  
33  
34  
37  
38  
36  
Ref. Description  
31 Sealed Panel  
Part number  
67202151  
67202186  
67202187  
67202154  
67202155  
67202157  
67201450  
67202158  
67202160  
67202161  
67202162  
32 Controller PCB Assy (09)  
32 Controller PCB Assy (12)  
33 PCB Holder  
39  
34 Inverter Case Assy  
36 Terminal Bracket  
37 Terminal 5P  
38 Terminal Cover Assy  
39 Bracket Conduit  
-- Outdoor Thermistor  
-- Thermistor Assy  
19  
ACCESSORIES  
Wall hook bracket  
67202078  
Remote control  
67202007  
Remote control holder  
67201533  
20  
FRIEDRICH AIR CONDITIONING CO.  
10001 Reunion Place, Ste. 500, San Antonio, TX 78216  
(210) 546-0500 877-599-5665 x 261 FAX (210) 546-0630  
Printed in the U.S.A.  

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