Friedrich A4UW363FA2 User manual

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)

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

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

PQNUD1S00

PMNFP14A0

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

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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