2nd and 3rd Ignition Cycles if Required 3 Try Ignition Board If the the art of halo pdf flame is not sensed after seven (7) seconds, a second 15 second purge cycle will begin followed by a second Trial-For-Ignition sequence.
R eplace the gas valve.???
Gas pressure OK - check for obstruction in main burner; check to be sure electrode is positioned approximately 1/4" above and directly over slots on the main burner - adjust electrode if necessary.
Figure 3 SF, figure 3A SH and -2542 7, vENT assembly installation (SF and SH series).
Both m arks will be used later as reference m arks; therefore, keep lines thin.It is important to determine the type problem being experienced, then the proper checkout procedure can be made.This is done by a heater coil within the relay which actuates a bi-m etal disc closing the relay circuit.Rem ove top air baffle and clip.Sharp turns will increase the static pressure in the plenum area of the furnace and could cause the furnace to cycle on lim.No -Yes- lt; R eplace therm ostat.????Insufficient return air will cause the furnace to overheat and cycle on lim.Rem ove the applicable screws securing the furnace to the coach floor.Installation requirem ents Models 1" 1" 1" 1" 2" 0" 0" 1" 1" SEE *4 52" SEE *4 SEE *4 0" 0" 1" 1" SEE *4 52" SEE *4 SEE.Upon a call from the thermostat, the module board thermostat circuit will go active.S park occurs for approxim ately 7 seconds and m ain burner flam e establishes.Shine a flashlight into the burner venturi as illustrated (be sure the flashlight lens is against the end of the burner).
Adhere to the minimum clearances from cabinet to combustible construction as listed in the installation manual for your specific furnace model.
A grille or opening m ust be built into the cabinetry or into the base area of the sofa or bed.
39 Cautions amp; Safety Inform ation.
Check to be sure module board or high voltage wires are not shorted to the chamber wrapper or other furnace parts.Disconnect gas bottle and drain it completely dry of all gas and all moisture.Never use a screwdriver on any part of the electrode assembly while the furnace is in operation.Check your furnace model number for vent installation procedures.Figure 19 illustrates the return air circulation of the furnace.Description Direct Discharge Ducted Direct Discharge Ducted Direct Discharge Ducted Direct Discharge Ducted Ducted Ducted Ducted Ducted Input BTU/hr 17,000 12,000 Type Gas propane propane Voltage 12 VDC 12 VDC Motor Diameter 3" 3" Amp Draw.9.8 Static Pressure n/a S -.1.The module will try three times for ignition before lockout.