Pioneer YN018GMFI16M2D User manual

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SERVICE MANUAL
DC INVERTER MULTI ZONE
DUAL (2), TRIPLE (3) and QUAD (4) CIRCUIT
MULTI SPLIT OUTDOOR UNITS
HEAT PUMP
YN018GMFI16M2D (2 Zone)
YN027GMFI16M3D (3 Zone)
YN036GMFI16M4D (4 Zone)
DC MULTI OUTDOOR UNITS

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CONTENTS
1.General information of Outdoor Units.................................................. 2
2.Features .................................................................................................. 3
3.Dimensions ............................................................................................. 4
4. Wiring Diagram...................................................................................... 5
5. Refrigeration Cycle Diagram ................................................................ 8
6. Indoor units combination ................................................................... 10
7. Installation Details............................................................................... 11
8. Electronic control function................................................................. 20
9. Troubleshooting .................................................................................. 28

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1. General information of Outdoor Units
Model name Dimension (mm(in)) Compressor
YN018GMFI16M2D 845x320x700(33.3x12.6x27.6) DA130S1C-20FZ
YN027GMFI16M3D 845x320x700(33.3x12.6x27.6) DA150S1C-20FZ
YN036GMFI16M4D 990x345x965(39x13.6x38) TNB306FPGMC-L

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2．Features
The hydrophilic fin can improve the heating efficiency at operation mode.
It is only operated in the heating operation mode except defrosting operation.
It protects the valves and prevents water from dripping.
Outdoor unit
Power relay control
Hydrophilic aluminum fin
Anti-rust cabinet
Valve protection cover
4 way valve control
Low noise air flow system
Discharge pipe temperature protection
Compressor crankcase heater

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3. Dimensions
mm(in)
Model W D H W1 A B
YN018GMFI16M2D 845((33.3) 320(12.6) 700(27.6) 908(35.7) 560(22) 335(13.2)
YN027GMFI16M3D
YN036GMFI16M4D 990(39) 345(13.6) 965(38) 1075(42.3) 624(24.6) 366(14.4)

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4. Wiring Diagram
4.1 YN018GMFI16M2D

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4.2 YN027GMFI16M3D

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4.3 YN036GMFI16M3D

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5. Refrigeration Cycle Diagram
5.1Refrigeration circuit drawing of inverter dual-zone
LIQUID VALVE A
GAS VALVE A
HEAT
EXCHANGE
(EVAPORATOR)
HEAT
EXCHANGE
(CONDENSER)
Compressor
4-WAY VALVE
COOLING
HEATING
T2 Evaporator
temp. sensor
T1 Room
temp. sensor
T3
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
5.2 Refrigeration circuit drawing of inverter tri-zone
LIQUID VALVE A
GAS VALVE A
HEAT
EXCHANGE
(EVAPORATOR)
HEAT
EXCHANGE
(CONDENSER)
Compressor
4-WAY VALVE
COOLING
HEATING
T2 Evaporator
temp. sensor
T1 Room
temp. sensor
T3
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

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5.3 Refrigeration circuit drawing of inverter quad-zone
LIQUID VALVE A
GAS VALVE A
HEAT
EXCHANGE
(EVAPORATOR)
HEAT
EXCHANGE
(CONDENSER)
Compressor
4-WAY VALVE
COOLING
HEATING
T2 Evaporator
temp. sensor
T1 Room
temp. sensor
T3
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