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12- Remove filter from insideof 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.
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 G 14
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 G 14 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,
Page 2
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