Air Source Heat Pump Water Heater
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water before turning on the unit.
(2) Energize the complete unit: After be energized, the wired controller will give
out a sound. Observe whether the display on the wired controller is normal.
The wire controller is with memory function. For the first time be energized,
wire controller may display OFF or standby.
(3) Engineering parameters setting on wire controller: System clock time setting,
disinfection function setting, etc.
(4) Complete unit operation: After the unit is filled with water, check the water
system. Confirm the faucet or the sprayer heat is turned off. Turn on the unit
when the cut-off valve at the water inlet pipe and water outlet pipe is opened.
When the wired controller is displaying the heating icon, check whether the
unit operates normally. Determinant standard: the fan operates normally, the
complete unit operates normally; there
’s no obvious vibration and abnormal
sound; let users operate by themselves after the unit has operated normally
for at least 20 min.
6 Method for adding or discharging refrigerant
6.1 Add refrigerant
Connect the middle hose from refrigerant manometer to the refrigerant tank,
connect one end of blue hose of low pressure manometer to the refrigerant-affusing
nozzle of gas valve (do not tighten it), open the valve of refrigerant tank, open valve
next to the low pressure manometer to discharge air for 5s and then close it, and
then tighten the hose joint on the nozzle of refrigerant-charging nozzle. When the
low pressure needle on the manometer is decreasing slowly, twist off the valve next
to the low-pressure manometer to ass refrigerant.
6.2 Discharge refrigerant
To open the refrigerant-affusing nozzle of gas valve to discharge the refrigerant.
Notice
This operation must be finished by professional persons. Do not operate it by
yourself to avoid hazard. Refrigerant must be charged according to the volume
indicated on the nameplate.
