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Table
.
3-2
3.3.1 Specifications of Power Supply
4
30/25
30 mA
≤
0.1sec
Creepage Breaker
Earth Cord
(mm
2
)
Manual Switch(A) Capcity/Fuse
(
A
)
Model Name
Power Supply
MIin. Diameter of Power
Supply Cord
(mm
2
)
220-240V
~
50Hz
KHP-15/190 ACS2
4
Please choose the power cord according to above table, and
it should comply with local electric standard.
The power cord model, recommanded power cord mode is
H05RN-F.
When wiring the power supply, please add additional insulation
sheath at the place without rubber insulation layer.
3.3 Electric Connection
3.3.2 Switch setting
Fig.3-12
Fig.3-13
Fig.3-11
3.3.3 Electric leakage protector
L
N
GND
Power Cable with
Creepage Breaker
Creepage Protector
Power Supply
3.4.1 Location
The flooring beneath the water heater must be able to support
the weight of the unit when filled with water (more than 286kg).
Located indoors (such as a basement or garage) and in a
vertical position. Sheltered from freezing temperatures.
Provisions made to shelter the area from water damage.
Metal drain pan installed and piped to an adequate drain.
Sufficient room to service the water heater.
Sufficient air for the heat pump to function,
the water heater must be located in a space >15m³, and must
have unrestricted air flow.
3.4 Installation checklist
Fig.3-14
Select the model by dialing S1 on the motherboard
1 2 3 4
ON
S1
3.3.4 When Modbus and remote switch are optional:
1) After inserting the weak current connection cable group, secure
the weak current connection cable group using the two cable ties
on the right of the junction box.
see
Fig.3-13
2) The mating terminal should be placed on the top to prevent it from
being wetted by the condensate in the drain pan.
3) Route the weak-current cable group and power cable through the
two holes reserved on the junction box cover.
see
Fig.3-14
4) MODBUS and remote switch functions require the purchase of
connecting wires. The length of each wire is 6m. Select and
purchase the corresponding number of wires according to the demand.
Set the electric leakage protector according
to the relevantelectric technical standards
of the state
.
The power cord and the signal cord shall be
laid out neatly and properly without mutual
interference or contacting the connection
pipe or valve.
After wire connection, check it again and
make sure the correctness before power on.
CAUTION
The power supply should be an independent
circuit with rated voltage.
Power supply circuit should be earthed
effectively.
The wiring must be performed by
professional technicians in accordance
with national wiring regulations and this
circuit diagram.
An all-pole disconnection device which
has at least 3mm separation distance in
all pole and a residual current device
(RCD)with the rating of above 10mA shall
be incorporated in the fixed wiring
according to the national rule.
WARNING
The unit must be installed with an Creepage
Breaker near the power supply and must be
effectively earthed.
8
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