Chapter Ⅱ Installation（6. Electric Installation）
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measures.
4）The heat insulating measures can conduct by referring to heat insulating measures of steel
pipes
Nominal outer
diameter dn
Obturator foramen foaming rubber and plastic heat insulating pipe
Thickness for heat
insulating mm
6. Electric Installation
6.1 Safety Notices
Warning: All electric work must be conducted according to local law, regulation and
instruction manual by professional person.
Caution: Energize the unit only after all the installations have been done.
1）Before starting up the unit, please check if the power source is consistent with the power
source stipulated in the nameplate; check if the connection of electrical wire and pipelines are
correct, so as to avoid water leakage, refrigerant leakage, electric shock, fire hazard and other
accidents.
2）Heat pump water heater belongs to I class electric appliance, users must ensure that the
water heater is grounded reliably, otherwise it may cause electric shock. The earth connection
should not be connected to the wires of gas pipe, water supply pipe, lightning rod or telephone
line.
3）After installing the unit, user should energize the unit and conduct creepage detection to
ensure safety.
4）Once the water heater is started up, it should not be closed down until operating it for over
6 minutes, otherwise it may impact the service life of unit. Please do not turn on and turn off the
unit frequently.
5）Please do not operate the water heater with wet hands. Do not allow children to operate
the unit. When cleaning up the unit, please disconnect the general supply of unit first.
6）Please do not directly expose the water heater under wet or corrosive environment.
7）When the outdoor temperature is relatively low in winter, it is not allowed to cut off the
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