User`s manual

FRONT
ACCESS PANEL
Fig. 32--UNt Access Panel
C99091
HOUSING
2 SETSCREWS
(HIDDEN)
C99085
Fig. 33--Remova! of Motor and Blower Wheel
When servicing gas train, do not hit or plug orifice spuds.
Removal of Gas Train
To remove the gas train for servicing:
l. Shut of'["main gas valve.
2. Shut off power to unit and install lockout tag
3. Remove unit access panel (See Fig. 32)
4. Disconnect gas piping at unit gas valve
5. Remove wires connected to gas valve Mark each wire
6. Remove ignitor and sensor wires at the ignitor module.
7. Remove the mounting screw that attaches the burner rack to
the unit base (See Fig. 31)
8. Slide the burner rack out of the unit (See Fig 31 and 34)
29
C99086
Fig. 34--Burner Rack Removed
9 To reinstall, reverse the procedure outlined above
CONDENSER COIL, EVAPORATOR (OIL, AND
CONDENSATE DRAIN PAN
Inspect the condenser coil, evaporator coil, and condensate drain
pan at least once each year or more often if"necessa W
The coils are easily cleaned when du; therefbre, inspect and clean
the coils either befbre or after each cooling season. Remove all
obstructions, including weeds and shn/bs, that interfc, e with the
airflow through the condenser coil.
Straighten bent fins with a fin comb If coated with dirt or tint,
clean the coils with a vacuum cleaner, using the soft brush
attachment. Be carefhl not to bend the fins If coated wit}*oil or
grease, clean the coils with a mild detergent-and=water solution.
Rinse coils with clear water, using a garden hose. Be careflfl not to
splash water on motors, insulation, wiring, or ai* filter(s) For best
resuhs, spray condenser coil fins f?om inside to outside the unit.
On units with an outer and inner condenser coil, be sure to clean
between the coils Be sure to f'lush all dirt and debris from the unit
base
Inspect the drain pan and condensate drain line when inspecting
the coils. Clean the drain par* and condensate drain by removing all
foreign matter from d*e pan Flush the pan and drain robe with
clear water Do not splash water on the insulation, motor, wiring,
or air fiher(s)_ If the drain tube is restricted, clear it with a
"plumbers snake" or similar probe device. Ensure that the auxiliary
drain port above the &ain robe is also clear
CONDENSER FAN"
Keep the condenser fan free from all obstructions to ensure
proper cooling operation Never place articles on top of the
unit, Damage to unit may result,
1. Remove 6 screws holding condenser grille and motor to top
cover,
2. Tuna motor/grille assembly upside down or* top cover to
expose the fan blade,