8
18-AC98D1-7D-EN
STEP 2
- Remove the pressure tap cap and
valve cores from both service valves.
STEP 3
- Purge the refrigerant lines and indoor
coil with dry nitrogen.
STEP 4
- Wrap a wet rag around the valve body
to avoid heat damage and continue the dry nitro-
gen purge.
Braze the refrigerant lines to the service valves.
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 evapo-
rator coil) as illustrated. Braze the filter drier to
the Liquid Line.
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:
Install drier in Liquid Line.
NOTE:
NOTE:
Precautions should be taken to avoid
Precautions should be taken to avoid
heat damage to basepan during brazing. It is
heat damage to basepan during brazing. It is
recommended to keep the flame directly off of
recommended to keep the flame directly off of
the basepan.
the basepan.
3-4” from valve
Summary of Contents for 4TTR6018J
Page 23: ...18 AC98D1 7D EN 23 Section 17 Wiring Diagrams 024N 036N Models...
Page 24: ...24 18 AC98D1 7D EN 024N 036N Models...
Page 25: ...18 AC98D1 7D EN 25 048N Models...
Page 26: ...26 18 AC98D1 7D EN 048N Models...
Page 27: ...18 AC98D1 7D EN 27 060N Models...
Page 28: ...28 18 AC98D1 7D EN 060N Models...
Page 29: ...18 AC98D1 7D EN 29 018J 030J 036J 048J Models...
Page 30: ...30 18 AC98D1 7D EN 018J 030J 036J 048J Models...
Page 31: ...18 AC98D1 7D EN 31 035J Models PRINTED FROM D157362P05 REVB...
Page 32: ...32 18 AC98D1 7D EN PRINTED FROM D157362P05 REVB 035J Models...
Page 33: ...18 AC98D1 7D EN 33 049J 061C Models...
Page 34: ...34 18 AC98D1 7D EN 049J 061C Models...
Page 35: ...18 AC98D1 7D EN 35 060J 060K Models...
Page 36: ...36 18 AC98D1 7D EN 060J 060K Models...
Page 43: ...18 AC98D1 7D EN 43 Notes...