Fisher FS2MIF-141AE2 Bedienungsanleitung

SERVICE MANUAL

Room Air Conditioner

DC Inverter Multi Split Outdoor

units

FS2MIF-141AE2

FS2MIF-181AE2

FS3MIF-211AE2

FS3MIF-271AE2

FS4MIF-281AE2

FS4MIF-361AE2

FS5MIF-421AE0

NOTE:

Before servicing the unit, please read this at first.

Always contact with your service center if meet problem.

FI_SM_MULTI OUTDOOR FS2-3-4-5MIF--1AE2_161205

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CONTENTS

1. General information of Outdoor Units...................................3

2. Features.............................................................................4

3. Dimensions........................................................................5

4. Refrigeration Cycle Diagram ...........................................6

5. Wiring diagram..................................................................8

6. Indoor units combination...............................................11

7. Sound Levels...................................................................13

8. Installation Details ..........................................................14

9. Electronic control function............................................24

10. Troubleshooting............................................................29

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1. General information of Outdoor Units

Model name Dimension (mm) Compressor

800x333x554 ASN108D22UEZ

800x333x554 ASM135D23UFZ

845x363x702 ASM135D23UFZ

845x363x702 ATF235D22UMT

946x410x810 ATF235D22UMT

946x410x810 ATF310D43UMT

FS2MIF-141AE2

FS2MIF-181AE2

FS3MIF-211AE2

FS3MIF-271AE2

FS4MIF-281AE2

FS4MIF-361AE2

FS5MIF-421AE0

-3-



2. Features

The hydrophilic fin can improve the heating efficiency at operation mode.

It protects the valves and prevents water from dripping.

4 way valve control

It is only operated in the heating operation mode except defrosting operation.

Outdoor unit

Power relay control

Hydrophilic aluminum fin

Anti-rust cabinet

Valve protection cover

Low noise air flow system

Discharge pipe temperature protection

-4-



3. Dimensions

Model Unit：mm

W D H W1 A B

800 333 554 860 514 340

845 363 702 923 540 350

946 410 810 1034 673 403

FS2MIF-141AE2 FS2MIF-181AE2

FS2MIF-141AE2

FS2MIF-181AE2

FS3MIF-211AE2

FS3MIF-271AE2

FS4MIF-281AE2

FS4MIF-361AE2

946 410 810 1034 673 403

FS5MIF-421AE0

-5-



4. Refrigeration Cycle Diagram

4.1 Refrigeration circuit drawing of inverter 1 drive 2 type

LIQUID VALVE A

GAS VALVE A

HEAT

EXCHANGE

(EVAPORATOR)

HEAT

EXCHANGE

(CONDENSER)

Compressor

4-WAY VALVE

COOLING

HEATING

T2 Evaporator

temp. sensor

middle

T1 Room

temp. sensor

Condenser

temp. sensor

T5 Discharge

temp. sensor

T4 Ambient

temp. sensor

INDOOR OUTDOOR

EXV A CAPILIARY A

CHECK VALVE

CAPILIARY TUBE

EXV B CAPILIARY B

LIQUID VALVE B

GAS VALVE B

Accumulator

T2B-A Evaporator

temp. sensor outlet

T2B-B

4.2 Refrigeration circuit drawing of inverter 1 drive 3 type

LIQUID VALVE A

GAS VALVE A

HEAT

EXCHANGE

(EVAPORATOR)

HEAT

EXCHANGE

(CONDENSER)

Compressor

4-WAY VALVE

COOLING

HEATING

T2 Evaporator

temp. sensor

middle

T1 Room

temp. sensor

Condenser

temp. sensor

T5 Discharge

temp. sensor

T4 Ambient

temp. sensor

INDOOR OUTDOOR

EXV A CAPILIARY A

CHECK VALVE

CAPILIARY TUBE

EXV B CAPILIARY B

LIQUID VALVE B

GAS VALVE B

EXV C CAPILIARY C

LIQUID VALVE C

GAS VALVE C

Accumulator

T2B-A Evaporator

temp. sensor outlet

T2B-B

T2B-C

-6-



4.3 Refrigeration circuit drawing of inverter 1 drive 4 type

LIQUID VALVE A

GAS VALVE A

HEAT

EXCHANGE

(EVAPORATOR)

HEAT

EXCHANGE

(CONDENSER)

Compressor

4-WAY VALVE

COOLING

HEATING

T2 Evaporator

temp. sensor

middle

T1 Room

temp. sensor

Condenser

temp. sensor

T5 Discharge

temp. sensor

T4 Ambient

temp. sensor

INDOOR OUTDOOR

EXV A CAPILIARY A

CHECK VALVE

CAPILIARY TUBE

EXV B CAPILIARY B

LIQUID VALVE B

GAS VALVE B

EXV C CAPILIARY C

LIQUID VALVE C

GAS VALVE C

EXV D CAPILIARY D

LIQUID VALVE D

GAS VALVE D

Accumulator

High pressure

switch

Low pressure

switch

T2B-A Evaporator

temp. sensor outlet

T2B-B

T2B-C

T2B-D

4.4 Refrigeration circuit drawing of inverter 1 drive 5 type

LIQUID VALVE A

GAS VALVE A

HEAT

EXCHANGE

(EVAPORATOR) HEAT

EXCHANGE

(CONDENSER)

COOLING

HEATING

T2 Evaporator

temp. sensor

middle

T1 Room

temp. sensor

Condenser

temp. sensor

T4 Ambient

temp. sensor

INDOOR OUTDOOR

EXV A CAPILIARY A

CHECK VALVE

CAPILIARY TUBE

EXV B CAPILIARY B

LIQUID VALVE B

GAS VALVE B

EXV C CAPILIARY C

LIQUID VALVE C

GAS VALVE C

EXV D CAPILIARY D

LIQUID VALVE D

GAS VALVE D

EXV E CAPILIARY E

LIQUID VALVE E

GAS VALVE E

Compressor

4-WAY VALVE

T5 Discharge

temp. sensor

Accumulator

High pressure

switch

Low pressure

switch

T2B-A Evaporator

temp. sensor outlet

T2B-B

T2B-C

T2B-D

T2B-E

-7-



5. Wiring diagram

FS2MIF-141AE2 FS2MIF-181AE2

FS3MIF-211AE2 FS3MIF-271AE2

-8-



FS4MIF-281AE2

FS4MIF-361AE2

-9-



FS5MIF-421AE0

-10-

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