19 Technical data
Installation and operation manual
42
LRYELRNUN5A7Y1
CO
₂
Conveni-Pack outdoor unit and capacity up unit
4P605461-1B – 2020.08
19.3
Wiring diagram: Outdoor unit
The wiring diagram is delivered with the unit:
▪ For the outdoor unit: At the inside of the
left
electrical component
box cover.
▪ For the capacity up unit: At the inside of the electrical component
box cover.
Outdoor unit
Notes:
1
This wiring diagram applies only to the outdoor unit.
2
Field wiring
3
Terminal block
Connector
Terminal
Protective earth (screw)
4
S1S is factory set to OFF. Set to ON or REMOTE to operate.
5
Use a voltage-free contact for microcurrent (≤1 mA,
12 V DC). For more information about the remote switches,
see details in
"14.6.1 Low voltage wiring – Outdoor
6
Output (caution, warning, run, operation) is 220-240 V AC,
with a maximum load of 0.5 A.
7
For more information about the BS1~BS3 push buttons and
the DS1+DS2 DIP switches, see
8
Do not operate the unit by short-circuiting protection devices
(S1PH, S2PH and S3PH).
9
Colours:
BLK
Black
RED
Red
BLU
Blue
WHT
White
GRN
Green
YLW
Yellow
PNK
Pink
Legend:
A1P
Printed circuit board (main 1)
A2P
Printed circuit board (main 2)
A3P
Printed circuit board (M1C)
A4P
Printed circuit board (M2C)
A5P
Printed circuit board (M3C)
A6P
Printed circuit board (noise filter) (M1C)
A7P
Printed circuit board (noise filter) (M2C)
A8P
Printed circuit board (noise filter) (M3C)
A9P
Printed circuit board (M1F)
A10P
Printed circuit board (M2F)
A11P
Printed circuit board (M3F)
A12P
Printed circuit board (sub)
A13P
Printed circuit board (ABC I/P 1)
A14P
Printed circuit board (earth leakage
detector)
E1HC
Crankcase heater (M1C)
E2HC
Crankcase heater (M2C)
E3HC
Crankcase heater (M3C)
L1R
Reactor (A3P)
L2R
Reactor (A4P)
L3R
Reactor (A5P)
M1C
Motor (compressor) (INV1)
M2C
Motor (compressor) (INV2)
M3C
Motor (compressor) (INV3)
M1F
Motor (fan) (FAN1)
M2F
Motor (fan) (FAN2)
M3F
Motor (fan) (FAN3)
R1T
Thermistor (air) (A1P)
R21T
Thermistor (M1C suction)
R22T
Thermistor (M2C suction)
R23T
Thermistor (M3C suction)
R31T
Thermistor (M1C discharge)
R32T
Thermistor (M2C discharge)
R33T
Thermistor (M3C discharge)
R4T
Thermistor (de-icer)
R7T
Thermistor (liquid)
R8T
Thermistor (sub-cool heat exchanger
outlet)
R91T
Thermistor (M1C body)
R92T
Thermistor (M2C body)
R93T
Thermistor (M3C body)
S1NPH
High pressure sensor
S1NPM
Medium pressure sensor (liquid)
S2NPM
Medium pressure sensor (M3C suction)
S1NPL
Low pressure sensor (refrigeration)
S2NPL
Low pressure sensor (air conditioner)
S1PH
Pressure switch (high pressure protection)
(M1C)
S2PH
Pressure switch (high pressure protection)
(M2C)
S3PH
Pressure switch (high pressure protection)
(M3C)
S1S
Operation switch (REMOTE/OFF/ON)
Y11S~Y16S
Solenoid valve (discharge, cooling or
defrost)
Y21S~Y26S
Solenoid valve (discharge, heating)
Y31S~Y34S
Solenoid valve (suction, cooling)
Y41S~Y44S
Solenoid valve (outdoor unit (heat
exchanger coil) evaporation)
Y1E
Electronic expansion valve (transcritical)
Y2E
Electronic expansion valve (economiser)
Y3E
Electronic expansion valve (oil return)
(M1C)
Y4E
Electronic expansion valve (oil return)
(M2C)
Y5E
Electronic expansion valve (oil return)
(M3C)
Y7E
Electronic expansion valve (gas relief)
Y8E
Electronic expansion valve (liquid injection)
Y13E
Electronic expansion valve (outdoor
evaporation)
Y14E
Electronic expansion valve (suction oil
return) (M1C)
Y16E
Electronic expansion valve (discharge,
cooling or defrost)
Y17E
Electronic expansion valve (discharge,
heating)
