Empire Products RH-35-6 User Manual download pdf (Page 11)

Page 1112821-2-0903

To Remove Main Burner

1. Disconnect the thermocouple and pilot supply line at the pilot

burner.

2. Unscrew the nut on the orifice fitting union. Orifice fitting is

threaded into the main burner.

3. Remove screw on each side of the main burner and lift out.

To Remove Main Burner Orifice

1. Unscrew the nut on the orifice fitting union. Orifice fitting is

threaded into the main burner.

2. Unthread the orifice fitting from the main burner.

3. Main burner orifice is located at the end of the orifice fitting.

4. Remove main burner orifice from orifice fitting with a 1/2"

(13mm) wrench.

MAINTENANCE

TROUBLESHOOTING

Cleaning Combustion Chamber

A qualified serviceman should remove the chamber and apply air

pressure to the inside in order to clear all passageways.

1. Impossible to light pilot

a. If using piezo ignitor, check electrode location.

b. Remove nut at orifice and check for gas.

c. If gas available, check for blocked orifice or pilot.

2. Pilot outage

a. Proper size of pilot flame.

b. Defective or weak thermocouple.

3. Pilot flames but goes out when knob is released

a. Pilot flame not covering the thermocouple properly.

b. Defective thermocouple.

c. Defective magnet in the safety section of valve.

4. Poor thermostat control

a. Thermostat needs calibrating.

b. Defective thermostat section.

5. Noisy blower

a. Tighten blower screws.

b. Check blower wheel in the open for balance.

6. Yellow main burner flame

a. Remove main burner to check for obstructions in throat,

ports and orifices.

b. Install new main burner orifice and pilot orifice.

c. Check gas valve for leaking.

d. Open the air shutter on the main burner in order to

increase the amount of primary air.

7. Yellow pilot flame

a. Small yellow tip not objectionable.

b. Remove pilot orifice. Check and clean.

8. Pilot and main burner goes out after burning a few

minutes

a. Improper venting of flue products. Relight and check for

improper venting.

b. If vented properly, check vent safety switch, replace if

defective.

9. Burner flashes- back or “pops” and burns at main

burner orifice

a. Examine main burner for defects.

10. Inoperative blower

a. Check fan control by shorting across terminals.

b. Check for blower wheel bind by removing wheel and

operating motor.

c. Check for frozen bearings due to lack of oil.

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Empire Products RH-35-6 User Manual Page 11

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