Hot water converter of GMV5 Home Installation and Operation Manual
11
Notes:
①
Power cord of unit must be copper core cable, and working temperature should not be over its specified
value.
②
If the length of power cord is over 15 meters, please increase the sectional area of power cord accordingly to
avoid overload.
③
Specification of power cord means the specification selected when BV single core wire (2~4 pieces)
penetrating plastic tube under the ambient temperature of 40
℃
. Operate the air switch when ambient
temperature is 40
℃
and the air switch is type “D”.
④
If the actual installation condition is changed, please consider to reduce the capacity of power cord and switch
provided by the manufacturer.
（
2
）
Electric Wiring and Connection
1) Twist off the screw on the wiring box cover of the hot water converter, and then open
the wiring box cover.
2) Connect one end of auxiliary electric heating power cord equipped on the water tank
to wiring board 1, connect black end to 1, blue end to 2 and yellow-green end to the
ground. The control output terminals of back water pump are terminal 3 and terminal
4 of power wiring board. Connect the coil of control contactor of water pump to this
position.
3) Smear some heat-conducting silica gel on the water temperature sensor led out from
the hot water converter. Insert the upper water temperature sensor into the upper
temperature-sensing outlet 1 of water tank; insert the lower water temperature
sensor into the upper temperature-sensing outlet 2 of water tank.
4) Fix the heavy-current wire with wire-fixing clamp and then reinstall the wiring box
cover.
5) Install and fix the wired controller, and then connect the wired controller with the
communication wire led from the hot water converter.
6) Please note that the heavy current and weak current should be separated.
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