507324-01B
Page 30 of 32
Issue 1809
Repair Parts List
The following repair parts are available through
independent Blue Summit dealers. When ordering parts,
include the complete furnace model number listed on
the CSA International nameplate.
All service must be
performed by a licensed professional installer (or
equivalent), service agency, or gas supplier.
Cabinet Parts
•
Upper access panel
•
Blower panel
• Top cap
Control Panel
•
Parts Transformer
•
Integrated control
•
Door interlock switch
•
Circuit breaker
Blower Parts
•
Blower wheel
•
Blower housing
•
Motor
•
Motor mounting frame
•
Motor capacitor
•
Blower housing cutoff plate
Heating Parts
•
Flame sensor
•
Heat exchanger assembly
•
Gas manifold
•
Combustion air inducer
•
Gas valve
•
Main burner cluster
•
Main burner orifices
•
Pressure switch
•
Ignitor
•
Primary limit control
•
Flame rollout switch
•
Secondary limit
Filters
Filters are installed external to the unit. Filters should
be inspected monthly. Clean or replace the filters when
necessary to ensure that the furnace operates properly.
Replacement filters must be rated for high velocity airflow.
Table 1 lists recommended filter sizes.
Flue and Chimney
1. Check flue pipe, chimney and all connections for
tightness and to make sure there is no blockage.
2. Check unit for proper draft.
Electrical
1. Check all wiring for loose connections.
2. Check for the correct voltage at the furnace (furnace
operating). Correct voltage is 120VAC ± 10%.
3. Check amp draw on the blower motor with inner blower
panel in place.
Unit Nameplate___________ Actual______________
Cleaning the Burners
NOTE:
Use papers or protective covering in front of the
furnace during cleaning.
1. Turn off both electrical and gas power supplies to
furnace.
2. Label the wires from gas valve, rollout switches,
primary limit switch and make-up box then disconnect
them.
3. Disconnect gas supply piping. Remove the screw
securing the burner box cover and remove cover.
Remove the four screws securing the burner manifold
assembly to the vestibule panel and remove the
assembly from the unit.
4. To clean burners, run a vacuum cleaner with a soft
brush attachment over the face of burners. Visually
inspect inside the burners and crossovers for any
blockage caused by foreign matter. Remove any
blockage. Figure 36 shows burner detail.
5. Reinstall burner box, manifold assembly and burner
box cover.
6. Re-install gas supply and turn on electrical power to
furnace.
