Ecoplus ZR9W Series Instruction Manual - Page 19
Browse online or download pdf Instruction Manual for Water Heater Ecoplus ZR9W Series. Ecoplus ZR9W Series 20 pages. Domestic hot water unit, air source heat pump with external coil
Print Page7.APPENDIX
2). Wiring diagram
Heat pump unit with 1kw Auxiliary electrical heating refer to diagram 1
COMPRESSOR
YLW/
CM
GRN
C
R
S
YLW/GRN
L N
Diagram 2 for unit with 1.5kw or 2kw Auxiliary electrical heating
COMPRESSOR
YLW/GRN
CM
C
R
S
YLW/GRN
L N
E-HEATER
OUT1
OUT2
1
3
2
4
OUT3
BLU
OUT4
RED
-
AC
N
CN3
CN1 CN2
3
Temp-sw
CONTROLLER
TRANSFORMER
POWER 1PH 220V/50Hz
OUT1
OUT2
1
3
2
OUT3
OUT4
-
AC
N
CN3
CN1 CN2
3
Temp sw
CONTROLLER
TRANSFORMER
POWER 1PH 220V/50Hz
WIRING DIAGRAM 1
FM
CN4
MCU
HIGH PRESSURE PROTECT
LOW PRESSURE PROTECT
WIRING DIAGRAM 2
FM
CN4
4
MCU
HIGH PRESSURE PROTECT
LOW PRESSURE PROTECT
17
COMPRESSOR LOW PRESSURE
SIDE TEMPERATURE
COIL TEMPERATURE
TANK UPPER AREA WATER
TEMPERATURE
TANK BOTTOM WATER
TEMPERATURE
Temp-sw
80
Thermostat
FU
95
Fuse protector
COMPRESSOR LOW PRESSURE
SIDE TEMPERATURE
COIL TEMPERATURE
TANK UPPER AREA WATER
TEMPERATURE
TANK BOTTOM WATER
TEMPERATURE
Temp sw
80
Thermostat
FU
95
Fuse protector