18-BC98D1-1G-EN
13
Table 16.
Braze the Refrigerant Lines (continued)
4.
Wrap a wet rag around the valve body to avoid heat damage and
continue the dry nitrogen purge.
5.
Braze the refrigerant lines to the service valves.
a.
For Units shipped with a field-installed external drier, check
liquid line filter drier’s directional flow arrow to confirm
correct direction of refrigeration flow (away from outdoor unit
and toward evaporator coil) as illustrated. Braze the filter
drier to the Liquid Line.
6.
Continue the dry nitrogen purge. Do not remove the wet rag until
all brazing is completed.
Important:
Remove the wet rag before stopping the dry nitrogen
purge.
Note:
Precautions should be taken to avoid heat damage to base pan
during brazing. It is recommended to keep the flame directly
off of the base pan.
3-4” from valve
7.
Replace the pressure tap valve cores after the service valves have
cooled.
Summary of Contents for 4TTL6018A1000A
Page 26: ...26 18 BC98D1 1G EN Wiring Diagrams Figure 8 1 5 2 0 2 5 3 0 3 5 and 4 0 Ton Models...
Page 28: ...28 18 BC98D1 1G EN Figure 10 5 0 Ton Models W Wi ir ri in ng g D Di ia ag gr ra am ms s...
Page 29: ...18 BC98D1 1G EN 29 Figure 11 5 0 Ton Models W Wi ir ri in ng g D Di ia ag gr ra am ms s...
Page 34: ...34 18 BC98D1 1G EN N No ot te es s...
