Maintenance, Troubleshooting | Empire Products RH-50-6 instruction

MAINTENANCE

Cleaning Pilot Burner

After use, cleaning of the pilot burner may be required for the proper ﬂame. The pilot oriﬁce can be cleaned with high pressure air or by placing under running water. Pilot oriﬁce must be dry before replacement. Use a pipe cleaner to clean inside the pilot after the pilot oriﬁce has been removed.

Removing Pilot Oriﬁce

1.Disconnect the pilot supply line at the pilot burner

2.Remove pilot oriﬁce from pilot burner. It may be necessary to tap on pilot burner in order to remove the pilot oriﬁce.

Cleaning Main Burner

Remove the burner and apply water pressure inside the throat of the burner and down into the ports; follow with air pressure.

Removing Main Burner

1.Remove casing front.

2.Disconnect pilot bracket from the burner.

3.Remove brass nut from burner.

4.Disconnect burner from chamber leg ﬂange.

5.Remove burner from bottom of combustion chamber.

Cleaning Combustion Chamber

A qualiﬁed serviceman should remove the chamber and apply air pressure to the inside in order to clear all passageways.

Primary Air Adjustment

1.Aprimaryairadjustmentboltislocatedonleft,frontofburnerthroat. The bolt can be screwed into burner throat to REDUCE primary

air or unscrewed from burner throat to INCREASE primary air. To r e d u c e y e l l o w f l a m e o n m a i n b u r n e r, unscrew bolt from burner throat. Also, refer to Step 2. To reduce resonation (whistling) noise or extinction (popping) noise, screw bolt into burner throat.

2.An air shutter bracket is attached to top of burner throat. The air shutter bracket lays ﬂat across top of burner throat. If yellow ﬂames can not be removed from main burner by using primary air adjustment bolt, the air shutter bracket can be pivoted upward to allow additional primary air to enter burner throat.

On Propane gas, if a whistling noise (resonation) occurs, screw the air adjustment bolt into the burner throat to eliminate the whistling noise (resonation).

TROUBLESHOOTING

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

a.Pilot ﬂame not covering the thermocouple properly when knob is released.

b.Defective thermocouple.

c.Defective magnet in the safety section of valve.

4.Poor thermostatic 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 bolt 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 go 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 back-ﬂashes or ‘pops’ and burns and main burner oriﬁce.

a.Examine burner for defects.

10.Inoperative blower

a.Check fan control by shorting across terminals.

b.Check for blower wheel bind by removing wheel and operat- ing motor.

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

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RH-50-6 specifications

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