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-11-
WARNING: Never leave the heater unattended while operating.
Disconnect the heater from its power source when not in use.
MODEL R45K R75K R125K R175K R215K
PUMP
PRESSURE
3.3 PSI 3.2 PSI 5.2 PSI 6.0 PSI 7.0 PSI
7. Insert Fuel Filter in the Fuel Tank and using adjustable wrench turn the Filter 90 degrees clockwise.
8. Aach Fuel Line to Fuel Filter neck.
9. Reinstall side cover with screws provided.
ADJUSTING PUMP PRESSURE
Aer hours of use it may be necessary to adjust the Pump Pressure.
If the heater is not producing a strong flame:
Increase the pressure by turning the adjustment screw clockwise.
If the heater is producing a flame that extends beyond the end of the heater:
Reduce the pressure by turning the adjustment screw counterclockwise.
TROUBLESHOOTING
POSSIBLE CAUSE CORRECTIVE ACTION
E1
Photocell (Flame Color Checking Sensor) Error
Oil Shortage
Bad Photocell (Flame Sensor)
Incomplete Combuson
Contaminaon of Fuel Filter
Ignion Failure
Charge Fuel (Fill the fuel if needed)
Check and clean or replace Photocell (Flame Sensor)
Using Designated Fuel
Clean or replace Fuel Filter
Check Wire Connecon
Check Spark Plug For Normal Firing (clean or replace if needed)
E2
Temperature Sensor (Thermister) Error
Bad Connecon or Sensor Error
Check Wire Connecon
Replace Sensor
LO Below 1°F Normal
HI Over 99°F Normal
OH
Heater stops when the temperature reaches to
140°F
Restart Aer Cooling
CN
Connuously operang without set-
temperature
Normal
Blinking Error during operaon
Check Error Code
Reset to Restart
Pressure
Gauge
Plug
Relief
Valve
Adjusng Pump Pressure
Model R75K
Adjusng Pump Pressure
Model R125K, R175K, R215K
MODEL HF45K HF75K HF125K HF175K HF215K
PUMP
PRESSURE
3.3 PSI 3.2 PSI 5.2 PSI 6.0 PSI 7.0 PSI
Pressure
Gauge
Plug
Relief
Valve
Adjusng Pump Pressure
Model HF75K
Adjusng Pump Pressure
Model HF125K, HF175K, HF215K
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