6. Commissioning
6.1 Preparation Before Commissioning
6.2 Commissioning
Check the heat pump Check the piping system
Check if the outside case and the inside check if the water piping system,
system of the heat pump have been including water supply pipe, return
damaged during the transportation. water pipe, pressure gauge,
Check if there is still air inside the water
thermometer, valves, water level switch
system. If yes, use the air vents on the
are installed correctly. Please open all
water system and the circulation pumps,
the valves which should be opened, and
to discharge the air out.
close all that should be closed before
the commissioning.
Check the power source system
Make sure the heat preservation of the
Make sure the power source is
water system is in good condition.
accordance with the specification in the
manual or on the heat pump nameplate.
Make sure all power connections and
control circuit are in place. Make sure
the wiring , grounding and all terminals
are strong and reliable.
The commissioning should be carried down the power supply and adjust the
out by profession. phase-order. Make sure the compressor
current is in normal range, without
Comprehensive inspection of the entire abnormal sound.
system should be identified as meeting
the requirements, and the water level Check the circulation pump and all other
inside the tank is higher than the cycling parts meet the requirement. The whole
heating outlet and the water outlet, system can be put into use after the pre-
before the commissioning. operation for a period of time.
After power on the electricity, turn on the
heat pump by pressing the on/off key on
the wire control panel. Please check if
the fan and the circulation pump are
running in the right direction. If not, shut
Hot Water Series
14
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