12- Removefilter 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.

6Remove coil access panel.

7- 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.

8If 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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Lennox International Inc LB-89657B, LB-89657A Removefilter from insideof unit if present, Units with air conditioning