
26
8 - ELECTRICAL CONNECTIONS
8.2 - ELECTRICAL WIRINGDIAGRAM - 300
MAIN CONTROL PANEL
SW1
ON
OFF
SW1_1
Without Electric Heater
With Electric Heater
SW1_2
Without Disinfect
With Disinfect
Model selection(User never allow to alter the factory
settings)
SW2
ON
OFF
SW2_1
300L model
190L model
SW2_2
Power furquency_60Hz
Power furquency_50Hz
Model selection(User never allow to alter the factory
settings)
T3
Evaporator temperature sensor
T4
Ambient temperature sensor
T5U
Tank temperature sensor (Upper)
T5L
Tank temperature sensor (Lower)
TP
Discharge temperature sensor
TH
Suction temperature sensor
PRE-H
High Pressure Protection Switch
The L,N wires, which get through the zero phase electricity
mutual inductor, must keeping the same direction during wring,
otherwise, system malfunction may caused.
If the custom needs to install the solar energy coils, the the
CN26 terminal needs to be connected with the 220~240V
power supply. The CN2 supplies the control signal for the
solar energy water pump, and the water pump must be
controlled by the AC contactor, as the CN2 terminal should
not drive the water pump directly.
Please contact distributor technicians for wiring method
Item
Content
CAP1 Fan
capacity
CN1-40 Terminal
base
TR
Transformer
1A-1C-1F
Connected wires inside of the tank
CT1
Zero-phase electricity mutual inductor
CT2
AC mutual inductor
RY1,3 Relay
connecting
wires
KM1-2 Relay
TCO
Temperature protective switch
UE
Upper electric heater of the tank
XT1,XT3
Mid terminal base
EVV
Electric exspanse valve
K3M
AC
Contactor
XP1-3 Butt
plug
XS1-3 Butt
plug
ATCO
Automatic temperature recovery switch
1A/1B/1C/1F wire comes out from tank,must connect with the corresponding component.
Power supply
Wiring diagram of
tank inside
T3: Evaporator temperature sensor
T4: Ambient temperature sensor
T5U: Storage tank temperature sensor (Upper)
T5L: Storage tank temperature sensor (Lower)
TP: Discharge temperature sensor
TH: Suction temperature sensor