manual and_installation

LHPM POST MOUNTED HEATER CARE & USE/INSTALLATION

SCHEMATICS

TThis appliance requires a 24 volt AC supply with a minimum 20 VA capacity. Below is a suggested control circuit for operating this

appliance. The switching mechanisms may also be Timers.

MAINTENANCE AND TROUBLESHOOTING

• Before performing any service shut off gas and electric supply.

• Check condition of burner, especially integrity of ﬂame screen.

• Inspect condition of spark and sense electrode. Check for cracks in ceramic insulators or excessive corrosion.

• Inspect condition of high tension lead to spark rod.

• Annually verify hose gas supply in heater post and all connections for gas leaks.

1. No gas supply at burner:

• Ensure manual shut off valve is in proper position

• Ensure there is pressure and ﬂow at inlet to gas valve.

• Ensure gas valve gets 24v power from control module during ON cycle.

2. No spark:

• Ensure control module has 24VAC supply

• Ensure spark electrode assembly is grounded and there are no cracks in ceramic insulator.

3. Flame lights but will not stay lit:

• Ensure there is no overpowering wind.

• Ensure sense electrode is not corroded, is not grounded or has a cracked insulator. Electrode position is

radially across face of burner.

MAINTENANCE

TROUBLESHOOTING