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12- Removefilter from insideof unit(ifpresent).
Units with side return air - Disconnect side
return air plenum at unit.
Units with bottom return air - Disconnect unit
base from return air plenum.
13 -Remove G14 unit,
B - 614 units with air conditioning
IMPORTANT
1 - Set the thermostat to the lowest setting.
2- Disconnect electrical power to G14 and
condensing unit.
3- Shut off gas to G14 unit.
4 - Remove control access panel.
5 - Cut and remove any section of intake pipe which
blocks access to air conditioning coil. Cut intake
and exhaust pipe at a location(s) which will
provide convenient reconnection of pipe(s) to
G26 unit and/or removal of muffler(s) (if
installed). Remove muffler(s) (if installed),
Support intake and exhaust pipe to prevent
damage to pipe joints.
6
7-
8
Remove coil access panel.
Disconnect coil cabinet/supply air plenum at G14
unit top. If coil/coil cabinet can be lifted enough
to provide vertical clearance for removal of G14
unit, support coil/coil cabinet at needed height
and go to step 11. If not, prepare coil for removal.
If condensing unit has fully functional service
valves and outdoor ambient conditions permit
operating compressor, pump-down refrigerant
system; if not, recover refrigerant.
Cut line sets and coil drain line in a location which
will provide convenient reconnection. Move and
support to allow for coil removal,
10 -Slide coil from coil cabinet/supply air plenum.
11 - Cut G14 heat exchanger condensate drain line in
a location which wilt provide convenient
reconnection with G26 unit.
12 -Disconnect gas line at unit.
13 -Disconnect power wiring at unit.
14 -Disconnect low voltage wiring at unit.
15-Remove blower access panel.
16 -Remove filter from inside unit (if present)
Units with side return air - Disconnect side
return air plenum at unit.
Units with bottom return air - Disconnect unit
base from return air plenum,
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