Friedrich MC12Y3JM User manual

Multi Zone Air Conditioner
SVC MANUAL(Exploded View)
CAUTION
Before Servicing the unit, read the safety
precautions in General SVC manual.
Only for authorized service personnel.
MODEL : MC12Y3JM
MC18Y3JM
960-920-05

1. Specification
Indoor unit type
Ceiling Cassette - 4way
Model
MC12Y3JM
MC18Y3JM
Decoration Panel Name
DCG1218]
DCG1218
Power Supply
V, Ø, Hz
208/230, 1, 60
208/230, 1, 60
Capacity(*)
Btu/h class
12,000
18,000
Current
Running Current
A
0.25
0.25
Fan
Motor Type
BLDC
BLDC
Fan Type
Turbo Fan
Turbo Fan
Motor Output(W) x No. of Unit
43 x 1
43 x 1
Air Flow Rate
(H / M / L)
CMM
9.5 / 8.0 / 7.0
13.0 / 12.0 / 11.0
CFM
335 / 283 / 247
459 / 424 / 388
External Static Pressure
mmAq
-
-
Capacitor
μF / Vac
-
-
Drive
Direct Drive
Direct Drive
Coil
Row x Column x FPI
2R x 8C x 18
2R x 10C x 18
Dimensions
(W x H x D)
Body
mm(inch)
57
0 × 214 × 570 (22-7/16 x 8-7/16 x 22-7/16)
570 × 256 × 570 (22-7/16 x 10-3/32 x 22-7/16)
Decorative Panel
mm(inch)
700 x 22 x 700 (27-9/16 x 7/8 x 27-9/16)
700 x 22 x 700 (27-9/16 x 7/8 x 27-9/16)
Net Weight
Body
kg (lbs)
14.0 (30.9)
15.0 (33.1)
Decorative Panel
kg (lbs)
3.0 (6.6)
3.0 (6.6)
Sound Level (H / M / L) dB(A)+3
38/ 35/ 32
38/ 37/ 34
Piping
Connections
Liquid
mm (inch)
6.35 (1/4)
6.35 (1/4)
Gas
mm (inch)
9.52 (3/8)
12.7 (1/2)
Drain(OD/ID)
mm(inch)
32.0(1-1/4) / 25.0(1)
32.0(1-1/4) / 25.0(1)
Safety Devices
Fuse, thermal protector for fan motor
Fuse, thermal protector for fan motor
Refrigerant
R410A
R410A
Refrigerant Control
EEV(in Outdoor unit)
EEV(in Outdoor unit)
Transmission Interunit Cable
No. x AWG
4C x 18
4C x 18
Note:
1. Capacities are based on the following conditions:
Cooling: - Indoor Temperature 26.7˚C(80˚F) DB/19.4˚C(67˚F)
- Outdoor Temperature 35˚C(95˚F) DB/23.9˚C(75˚F)
Heating: - Indoor Temperature 21.1˚C(70˚F) DB/15.6˚C(60˚F) WB
- Outdoor Temperature 8.3˚C(47˚F) DB/6.1˚C(43˚F) WB
Piping Length - Interconnecting Piping Length 7.5m(24.6 ft.)
- Level Difference of Zero
2. Wiring cable size must comply with the applicable local and national code.
3. The specification may be subject to change without prior notice for purpose of improvement.
4. For more Capacity(*),refer to the combination table
Conversion Formula
kW=Btu/h classX0.0002931
cfm = CMM x 35.3
- 2 -

2. Piping Diagrams
Heating
H eat eH cH anger
Gas pipe connection port
(H alre connection)
Cooling Th3
TurHoHan
Th1
Th2
H iH uid pipe connection port
(H al re connection)
LOC.
Description
PCB Connector
Th1
Thermistor for sunction air temperature
CN_ROOM
Th2
Thermistor for evaporator inlet temperature
CN_PIPE/IN
Th3
Thermistor for evaporator outlet temperature
CN_PIPE/OUT
- 3 -

3. Wiring Diagrams
CN-D/PUMP CN-MOTOR1
CN-PTC
CN-FLOAT
CN-OPTION
CN-DISPLAY
CN-ROOM
CN-PIPE/IN
CN-PIPE/OUT
CN-POWER CN-VANE2
CN-VANE1
CN-AIRC CN-REMO
CN-CC
- 4 -

4. Exploded View
• MC12Y3JM
- 5 -

•MC12Y3JM
Loc No.
Description
Friedrich Part #
W50011
Accessory Assembly,Final(Indoor)
67600000
130411
Base Assembly,Indoor
67600502
349600
Bracket,Motor
67600713
W48300B
Bush
67606800
131410
Cabinet Assembly
67600807
130911A
Cabinet Assembly,Indoor
67600815
130911B
Cabinet Assembly,Indoor
67600817
W3110
Case
67600902
249951
Case Assembly,Control(Indoor)
67600905
W6640
Connector,Terminal Block
67601410
135511
Cover Assembly,Control(Indoor)
67601600
354210
Evaporator Assembly,First
67602003
359012
Fan,Turbo
67602119
249310
Holder Assembly
67602701
352150
Hose Assembly,Drain
67602805
140570
Locker Assembly
67603100
346810
Motor,DC
67603333
349480
Orifice
67603606
330871A
Pan Assembly,Drain
67603707
330871B
Pan Assembly,Drain
67603708
268711C
PCB Assembly,Main
67603907
268711E
PCB Assembly,Sub
67603926
158591
Pump Assembly,Water
67604102
158580
Pump,Water
67604103
267110
Remote Controller Assembly
67604301
148000
Supporter
67604605
W49810
Supporter Assembly
67604610
266010
Switch Assembly
67604700
263230C
Thermistor Assembly,NTC
67604802
263230C
Thermistor Assembly,NTC
67604806
263230B
Thermistor Assembly,NTC
67604807
263230A
Thermistor Assembly,NTC
67604809
263230A
Thermistor,NTC
67604824
263230B
Thermistor,NTC
67604826
352115
Tube Assembly,Evaporator(In)
67605802
352116
Tube Assembly,Evaporator(Out)
67605804
- 6 -

• MC18Y3JM
130411
158591
131410
148000
158580 130911B
354210
130911A
263230C
Eva-out sensor
352116
(18 k Btu/h class only)
W51620
352115
263230B
Eva-in sensor
249310 352150
346810
349600
W49810
267110
W48300B
W50011
359012
140570
249951
330871A
330871B
349480
266010
W6640
135511
268711C
W3110
268711E
Air-Inlet sensor
263230A
- 7 -

• MC18Y3JM
Loc No. Description
Friedrich
Part #
W50011
Accessory Assembly,Final(Indoor)
67600000
130411
Base Assembly,Indoor
67600502
349600
Bracket,Motor
67600713
W48300B
Bush
67606800
131410
Cabinet Assembly
67600806
130911A
Cabinet Assembly,Indoor
67600814
130911B
Cabinet Assembly,Indoor
67600816
W3110
Case
67600902
249951
Case Assembly,Control(Indoor)
67600906
W6640
Connector,Terminal Block
67601410
135511
Cover Assembly,Control(Indoor)
67601600
354210
Evaporator Assembly,First
67602002
359012
Fan,Turbo
67602118
249310
Holder Assembly
67602701
352150
Hose Assembly,Drain
67602805
140570
Locker Assembly
67603101
346810
Motor Assembly,DC,Indoor
67603307
349480
Orifice
67603605
330871A
Pan Assembly,Drain
67603706
330871B
Pan Assembly,Drain
67603708
268711C
PCB Assembly,Main
67603907
268711E
PCB Assembly,Sub
67603925
158591
Pump Assembly,Water
67604102
158580
Pump,Water
67604103
267110
Remote Controller Assembly
67604301
W51620
Socket,Flare
67604400
148000
Supporter
67604600
W49810
Supporter Assembly
67604609
266010
Switch Assembly
67604700
263230C
Thermistor Assembly,NTC
67604802
263230C
Thermistor Assembly,NTC
67604806
263230B
Thermistor Assembly,NTC
67604807
263230A
Thermistor Assembly,NTC
67604809
263230A
Thermistor,NTC
67604824
263230B
Thermistor,NTC
67604826
352115
Tube Assembly,Evaporator(In)
67605801
352116
Tube Assembly,Evaporator(Out)
67605803
- 8 -

Front Panel (Accessory)
• DCG1218
135303
749740A
135800
749740B
135316
159830
146811
145200
268711
135500
147581
266001
23720
- 9 -

FriedrichAirConditioningCo. I10001ReunionPlace,Suite500 ISanAntonio,TX78216 I877.599.5665
www.friedrich.com