PH
-SERIES
48
20.0
MAINTENANCE
Maintenance is required once a year. Annually inspect your heater, before the heating season starts. If unit is
in a dusty environment, maintenance will be required more often. If dust conditions are extreme, monthly or
weekly maintenance may be required.
WARNING:
Disconnect electrical supply to heater and shutoff gas prior to inspection.
CHECK COMBUSTION AIR INTAKE FOR BLOCKAGE.
CHECK EXHAUST TERMINAL FOR BLOCKAGE.
OPEN SERVICE DOOR.
CHECK BLOWER MOTOR AND SCROLL FOR DIRT AND/OR LOCKED ROTOR. REMOVE DIRT WITH
COMPRESSED AIR OR VACUUM CLEANER. IF ROTOR IS LOCKED, REPLACE ASSEMBLY.
IF BURNER NEEDS CLEANING, REMOVE BURNER HEAD FROM TUBE AND USE A COMBINATION OF
COMPRESSED AIR AND/OR A WIRE BRUSH TO REMOVE ANY DEPOSITS OR DEBRIS THAT MAY BE ON THE
ACTUAL BURNER.
MAKE SURE ALL WIRING IS INTACT AND IN GOOD CONDITION.
CHECK ELECTRODE FOR PROPER GAP AND CLEANLINESS. CLEAN OR REPLACE AS NECESSARY.
CHECK IGNITION SYSTEM FOR SPARK. REPLACE AS NECESSARY.
CHECK EXCHANGER TUBE FOR HOLES AND/OR CRACKS, DIRT AND/OR DEPOSITS. CLEAN AND/OR
REPLACE AS NECESSARY.
WASH ANY DIRT OR JUST OFF OF THE UNIT WITH A SOAP AND WATER SOLUTION.
CHECK ANY GAS CONNECTIONS THAT WERE DISCONNECTED DURING MAINTENANCE FOR LEAKS. USE
SOAP AND WATER SOLUTION.
DO NOT USE FLAME
.
TEST FIRE UNIT BY
TURNING CONTROL “ON”
. MAKE SURE UNIT IS OPERATING QUIETLY AND
EFFICIENTLY.
PERIODICALLY VISUALLY CHECK BURNER THROUGH VIEW PORT TO CONFIRM PROPER OPERATION.
CHECK ALL COUPLERS FOR TIGHTNESS AND/OR LEAKAGE.
WARNING:
Only allow qualified/licensed service people, trained to service gas fired heating equipment, to perform any
repairs on this unit. All replacement parts MUST originate from the manufacturer of this heater in order not
to void CGA/AGA certification. Safety devices are not allowed to be rendered inoperative.
WARNING:
Improper installation, adjustment, alteration, service or maintenance can cause property damage, injury or
death. Read the installation, operating and maintenance instructions thoroughly before installing or servicing
this equipment.
The heater area must be kept clear and free from combustible materials, gasoline and other flammable
vapors and liquids. The flow of combustion and ventilation air to heater must not be obstructed.
