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Step 2. Electric wiring work
AC contactor shuould be installed to XT3 KM1(1 group electric heater) or KM1 and KM2(2 group electric heater).
Optional water temperature sensor connecet to AP1 CN16.
Step 3. Wired controller setting
Optional electric heater should be selected "1/2" group if necessary from COMMISION → FUNCTION,then set
switch on (outdoor)temperature and control logic(1/2).
14. Gate-controller
If there is gate control function, installation guide follow as:
15. Charging and Discharging of Refrigerant
The unit has been charged with refrigerant before delivery. Overcharging or undercharging will cause the
compressor to run improperly or be damaged. When refrigerant is required to be charged or discharged for
installation, maintenance and other reasons, please follow steps below and nominal charged volume on the
nameplate.
Discharging: remove metal sheets of the outer casing, connect a hose to the charging valve and then discharge
refrigerant.
CN16
AP1
220-240VAC
32
optional water temperature senso r
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