59
CONNECTING REFRIGERANT PIPING
CONNECTING REFRIGERANT PIPING TO OUTDOOR UNIT TOP DISCHARGE
18.12.4 Steps of Connecting Refrigerant Piping Lines To Outdoor Unit
Connecting the other ends of suction and liquid piping lines respectively with suction
and liquid valves of outdoor unit
1.
Remove the cap and Schrader core from both the liquid and suction service valve service
ports at the outdoor unit. Connect Iow pressure nitrogen to the liquid line service port.
wet rag service valve
2.
Braze the liquid line to the liquid valve at the outdoor unit. Be sure to wrap the valve body
with a wet rag. Allow the nitrogen to continue flowing.
3.
Protect the suction valve with a wet rag and braze the suction line connection to the outdoor
unit. The nitrogen flow should be exiting the system from the suction service port connection.
After this connection has cooled, remove the nitrogen source from the liquid fitting service
port.
4.
Replace the Schrader core in the liquid and suction valves.
5.
Leak test all refrigerant piping connections including the service port flare caps to be sure
they are leak tight. DO NOT OVER TIGHTEN (between 40 and 60 inch -lbs. maximum).
Summary of Contents for ClassiCool 53KDMT12N-718
Page 87: ...83 Notes...
Page 88: ......