Friedrich A4UW363FA2 Bedienungsanleitung
Multi Zone Air Conditioner
SVC MANUAL(Exploded View)
MODEL : A4UW363FA2 [MR36TQY3JM]
CAUTION
Before Servicing the unit, read the safety
precautions in General SVC manual.
Only for authorized service personnel.
960-920-03
- 2 -
Only for training and service purposes
1. Specification
Outdoor Unit
Note:
1. Capacities are based on the following conditions:
Cooling: - Indoor Temperature 27C(80.6F) DB/19C(66.2F) WB
- Outdoor Temperature 35C(95F) DB/24C(75.2F) WB
Heating: - Indoor Temperature 20C(68F) DB/15C(59F) WB
- Outdoor Temperature 7C(44.6F) DB/6C(42.8F) WB
Piping Length - Interconnecting Piping Length 7.5m
- 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.
Conversion Formula
kW = Btu/h x 0.0002931
cfm = CMM x 35.3
Capacity(*) Btu/h Class
Power Input Cooling kW
(Min.~Rated~ Max.) Heating kW
Running Current Cooling A
Heating A
Starting Current Cooling/Heating A
Power Supply Ø / V / Hz
Power Supply Cable (Outdoor) No.x AWG
Transmission Cable (Outdoor to Indoor unit ) No.x AWG
Dimensions W x H x D mm(inch)
Net Weight kg(lbs)
Max. Number of Connectable Indoor Units
Compressor Type
Qty x Model
Motor type
Oil charge volume cc
Oil Type
Refrigerant Cycle A Charge (at 7.5m) g(oz)
Cycle B Charge (at 7.5m) g(oz)
Type
Control
Heat Exchanger (Rows x Column x FPI) x No.
Coil tube dia. mm(inch)
Defrosting Method
Fan motor Capacitor μF/Vac
Drive
Discharge Direction(Side/Top)
Air Flow Rate x No. of Fan CMM(CFM)
Sound Level(H) Sound Pressure dB(A)+3
Piping Connections Liquid(Cycle A) mm(inch)
Gas(Cycle A) mm(inch)
Liquid(Cycle B) mm(inch)
Gas(Cycle B) mm(inch)
Piping length spec. Max. total piping m(ft.)
Max. OD~ID piping m(ft.)
Piping length(no add'l refrigerant)
m(ft.)
Max. Elevation Outdoor Unit~Indoor Unit m(ft.)
Difference Indoor Unit~Indoor Unit m(ft.)
Operation Range Cooling °C(°F)
(Outdoor) Heating °C(°F)
34,000
0.77~2.72~ 3.92
1.12~3.58~4.1
3.3~11.8~17.0
4.9~15.5~17.8
-
1/208 - 230/60
3 × 12
4 x 18 (Including Earth)
900 x 1,165 x 370
(35 7/16 x 45 7/8 x 14 9/16)
95(209.4)
4
Twin-Rotary
GPT425DBA
BLDC
1300
FVC68D
3,500(123.46)
-
R410A
EEV
(2R x 26C x 17) x 2
7(0.276)
Reversing cycle
-
Direct (DC)
Side
60(2,118) x 2EA
57
6.35(1/4) × 4EA
9.52(3/8) × 4EA
-
-
75(246.1)
25(82.0)
30(123.0)
15(49.2)
7.5(24.6)
-10 ~ 46 (14~114.8)
-15 ~ 24 (5~75.2)
A4UW363FA2 [MR36TQY3JM]
Outdoor Unit
- 3 -
Only for training and service purposes
2. Function Table
Note :
• O: Applied, • X: Not applied, • - : No relation,
• Option: Model name & price are different according to options, and assembled in factory with main unit.
• Accessory: Installed at field, ordered and purchased separately by the corresponding model name, supplied with separate package.
Defrost / Deicing
High Pressure Switch
Low Pressure Switch
Phase protection
Restart Delay (3-minutes)
Self Diagnosis
Soft Start
Test Function
Auto operation(Artificial intelligence)
Auto Restart Operation
Central control(LGAP)
PDI(Power Distribution Indicator)
PI485
Low ambient operation
Thermistor
O
X
X
X
O
O
O
X
O
O
O
PQNUD1S00
PMNFP14A0
O
-
FunctionCategory
A4UW363FA2 [MR36TQY3JM]
Reliability
Convenience
Others
Special function kit
CAC Network
Function
- 4 -
Only for training and service purposes
3. Piping Diagrams
LOC. Description PCB Connector
Th1 Thermistor for outdoor air temperature CN_TH2
Th2 Thermistor for condensing temperature CN_TH2
Th3 Thermistor for discharge pipe temperature CN_TH3
Th4 Thermistor for suction pipe temperature CN_TH3
S/V Solenoid Valve for Hot Gas/Oil Separator CN_H/GAS
/CN_OIL/S
L/P Low Pressure Switch CN_PRESS
Reversing
Valve
Outdoor Unit
Th1
Th3
Th2
Th4
S/V
Accumulator
Field piping
Liquid(Ø1/4")
Field piping
Gas(Ø3/8")
Room D
Room C
Room B
Room A
Compressor
Heat
Exchanger
EEV-D
Main service
Valve(Gas)
Main service
Valve(Liquid)
EEV-C
EEV-B
EEV-A
Room D
Room C
Room B
Room A
COOLING
HEATING
REFRIGERANT FLOW
- 5 -
Only for training and service purposes
CN_TH3
CN_TH2
CN_EEV1
CN_EEV4
CN_EEV3
CN_EEV2
CN_COM
CN_PFC_OUT
CN_PFC_IN
CN_H/GAS
CN_4WAY
CN_OIL/S
CN_MOTOR2
CN_MOTOR1
4. Wiring Diagrams
- 6 -
Only for training and service purposes
5. Exploded View
430411
437212
435512
349600
649950
447910
552117
546810
546810
263230D
263230E
559010
237202
435301
437211
554160
550140
561410A
669010
W4986B
W4986A
268711
W6640C
137213
435511
661400A
552200
661400B
661400C
661400D
W49810
552203B
552203A
W6640B
W6640A
552113
352112
554030B
554030A
W6631
152503
135500
561410B
552204 552202
552116
P/No : MFL63721213
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1
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