Removing Stop Valve - Hisense Hi-FLEXi S Series Technical, Installation, Maintenance

2.13

Removing Stop Valve

(1) Remove the front service cover according to the item 2.1 "Removing Front Service Cover".
(2) Collect all the refrigerant in the refrigerant cycle.
(3) When removing (A) high / low pressure gas stop valve and (B) low pressure gas stop valve, cover the stop valves with
wet cloth for cooling and then remove the brazing. When removing (C) liquid stop valve, remove the brazing of the pipe
for the stop valve as shown in the figure
NOTE:
1. In the case of Heat Pump System, connect the charging hose to the check joint for the low pressure gas stop valve.
2. When removing the brazing for (A) high pressure stop valve and (B) low pressure stop valve, the RC cover should be
removed or protected with a metal plate.
(4) After removing the brazing for the stop valves,remove the screws fixing the plates as shown in the figure and pull out the
stop valves and the plates.
(5) Set the stop valves in the reverse procedure.
NOTE:
When brazing the stop valves or removing the brazing, cover the stop valves with wet cloth for cooling.
The allowable temperature limit of the internal stop valve is 248°F(120℃ ).
<Stop Valve Position>
(B) Low Pressure
Gas Stop Valve
(A) High/Low
Pressure Gas
Stop Valve
(C) Liquid Stop
Valve
TURN OFF all the power switches.
Tool
Brazing Part
243
Wet Cloth, Burner, Pliers,
Phillips Screwdriver
(A) High/Low Pressure Gas Stop Valve
(B) Low Pressure Gas Stop Valve
Servicing
(C) Liquid Stop Valve