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6. Change fuel filter insert (Part# FVO-419) once per month. Change fuel filter
cartridge (Part# FVO-418) once every 6 months.
7. Change oil nozzle once per year. FV-435B (2.00 X 60B/W), FV-435WC (1.75
X 60B/W)
8. Fan Limit Switch (Part# FV-407A) should be replaced if the fan motor does not
shut off after the heat exchanger has cooled down.
9. The High Limit Switches (Part# FV-406 & FV-437) should be checked each
season. These limit switches will ensure the burner shuts down if the
temperature exceeds 150º F at rear of unit and 250º F at the outlet.
10. Fuel tank should be drained on a regular basis by removing drain plug.
CAUTION: Do not have any source of ignition near the heater when draining tank.
NOTE: No.1 fuel oil or kerosene is recommended for temperatures below
-10º C / 8º F
11. Heat Exchanger should be cleaned if smokey conditions continue even after
the air adjustments on the burner are made.
START UP INSTRUCTIONS:
1. Position heater properly on a level surface.
2. Ensure the toggle switch is in the “OFF” position
3. Ensure Burner “air gate” is properly set at 4.5
4. Ensure electrical cord is grounded and plugged into a 115V 15amp
outlet. Verify cord size – 12/3 AWG at 50ft & 10/3 AWG at 100ft
5. The power indicator light on the control box will engage. If the green
light illuminates, you have proper power supply. If not, refer to the
sticker on the heater to verify power supply issue(s). Correct the power
supply issue(s) before operating the heater.
6. Move toggle switch to “MANUAL” position for manual control.
7. Move toggle switch to “THERMOSTAT” position for thermostatic control.
Thermostat must be plugged into heater first.
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