6
Commissioning
6.1 Preparation Before Commissioning
6.2 Commissioning
Inspection on the heat pump
which should be opened, and close all that
Check if the outside case and the inside system
should be closed before the commissioning.
of the heat pump have been damaged during the
Make sure the heat preservation of the water
transportation.
system is in good condition.
Check if there is still air inside the water system.
If yes, use the air vents on the water system and
the circulation pumps, to discharge the air out.
Inspection on the power source system
Make sure the power source is 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.
Inspection on the piping system
check if the water piping system, including water
supply pipe, return water pipe, pressure gauge,
thermometer, valves, water level switch are
installed correctly. Please open all the valves
The commissioning should be carried out by
abnormal sound.
profession.
Check the circulation pump and all other parts
Comprehensive inspection of the entire system
meet the requirement. The whole system can be
should be identified as meeting the
put into use after the pre-operation for a period
requirements, and the water level inside the tank
of time.
is higher than the cycling heating outlet and the
water outlet, before the commissioning.
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 down the power supply and
adjust the phase-order. Make sure the
compressor current is in normal range, without
Heat Pump For Heating And Cooling Series
13