Kaisai KHP-2.4/D270, Инструкция по установке и обслуживанию

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AIR SOURCE HEAT PUMP WATER HEATER
EN
When above items are OK, please debug the unit for the complete unit. The debugging proce -
dure is as below:
• Add water for the water tank: Add water for the water tank according to 9.1 or the mark
on the water tank, and then check whether there’s water leakage for the pipeline and joint.
As for the initial installation,. It must be operates by installor. If user operates it again after
discharging water, it also needs to add water before turning on the unit.
• 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 stand
-
by.
• Engineering parameters setting on wire controller: System clock time setting, disinfection
function setting, etc.
• 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 refriger
-
ant-charging nozzle. When the low pressure needle on the manometer is decreasing slowly, twist
off the valve next to the low-pressure manometer to add 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.