Lennox International Inc. GHR26 - Manual (Page 4)

Page 4
ON
OF F
HONEYWELL VR8205 SERIES GAS VALVE
GAS VALVE SHOWN IN OFF POSITION
WHITE RODGERS 36E GAS VALVE
F IGUR E 3
GAS VALVE SHOWN IN OFF POSITION
7- Wait five (5) minutes to clear out any gas. If you then
smell gas, STOP! Immediately call your gas supplier from
a neighbor’s phone. Follow the gas supplier’s instruc-
tions. If you do not smell gas go to next step.
8- For Honeywell VR8205 gas valves, turn knob on gas
valve counterclockwise to ON. For White Rodgers
36E gas valves, move switch to ON. Do not force.
9- Replace unit access panel.
10- Turn on all electrical power to unit.
11- Set thermostat to desired setting.
NOTE-When unit is first started, steps 1 through 11 may
need to be repeated to purge air from pilot line.
12- If the appliance still will not operate, follow the instructions
“To Turn Off Gas To Unit” and call your service technician
or gas supplier.
To Turn Off Gas To Unit
1- Set thermostat to lowest setting.
2- Turn off all electrical power to unit if service is to be per-
formed.
3- Remove unit access panel.
4- For Honeywell VR8205 gas valves, turn knob on gas
valve counterclockwise to OFF. For White Rodgers
36E gas valves, move switch to OFF. Do not force.
5- Replace unit access panel.
Filters
A filter must be in place anytime the unit is operating. The
filter may be located in the unit or installed in a return air
grille. Ask your dealer to show you the filter location. The
filter should be inspected monthly and cleaned when nec-
essary to assure proper furnace operation.
Filters used inside the GHR26 series unit are available from
Lennox and must be ordered separately. These foam filters
may be cleaned for reuse. If replacement is necessary, order
Lennox part no. 31J81 for 14 X 25 inch filter for GHR26Q2-50
and -75 and P-8-7831 for 20 X 25 inch filter for all sizes of
GHR26-100 and -125 units. See figure 4 for removing filter
from unit. Use the following procedure to clean filter.
F IGUR E 4
Press up on side filter
clip to release filter
(One on each side of
cabinet)
FILTER
CABINET
FILTER
CLIP
BACK FILTER CLIP
FILTER
SIDE FILTER
CLIP DETAIL
CABINET
FILTER
CLIP
Cleaning Filter
1- Turn off electric power to furnace.
2- Remove blower access panel.
3- Remove filter by pressing side filter clips and pulling filter
up and out.
4- Clean filter with cold water and a mild soap. Direct water
through filter in the opposite direction of air flow. Remove
all soap residue
5- Allow filter to dry then spray with filter handicoater
(P-8-5069), available from your Lennox dealer, prior to re-
installation.
6- Replace filter in blower compartment under rear filter clip.
Press on filter sides. Filter clips flex allowing filter to snap
into place.
7- Replace blower access panel.
WARNING
Blower door must be securely in place when blower
and burners are operating. Gas fumes, which could
contain carbon monoxide, can be drawn into living
space resulting in personal injury or death.
Seasonal Inspections
A qualified service technician should inspect the complete sys-
tem each season (heating and cooling). The following mainte-
nance procedures should be conducted by a qualified service
technician. Do not attempt to service the unit in any way.