Gate-Controller; Filling Of Refrigerant - Sinclair GSH-60IRA series Operational Manual

15. Gate-controller

If there is gate control function, pull out the leading wire 50 on terminal board （ XT2 ）
between19 and 20 and then connect the Gate-controller
Installation Guide follow as:
20

16. Filling of Refrigerant

Before shipped out from manufacturer, the outdoor unit has been filled with refrigerant.
Additional refrigerant may be filled when carrying out site connection of pipelines.
Check the liquid valve and the gas valve of the outdoor unit. The valves shall be
completely shut off.
Connect a vacuum pump to the liquid valve and the gas valve of the outdoor unit to
remove air from the inside of the indoor unit and the connecting pipe. Refer to the
following figure:
After confirming that there is no leakage from the system, when the compressor is not in
operation ,charge additional R410A working fluid with specified amount to the unit through
the filling opening of the liquid pipe valve of the outdoor unit.
Be sure to charge the specified amount of refrigerant in liquid state to the liquid pipe ：
Since this refrigerant is a mixed refrigerant ， adding it in gas form may cause the
refrigerant composition to change ， preventing normal operation
Before charging ， check whether the refrigerant cylinder is equipped with a siphon
tube or not ；
With siphon
tube
19 XT2 20
50
AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL
19
Gate-controller
WE do not supply
this section
Fig.22
34
NO siphon
tube