Raypak 503-2003 Installation And Operating Instructions Manual

Also see for 503-2003: Installation & operating instructions

Raypak 503-2003 Installation And Operating Instructions Manual Manual pdf 37 page image

SECTION C: Installation35Fig. 29: Ignition ModuleThe standard single-try ignition module will lock outafter failing to light one time. To reset it, press andrelease the small, recessed black push button locatedinside of the cut-out on the lower right-hand corner ofthe ignition module case. Turning off the power tothe heater WILL NOT reset the ignition module.The optional ignition module will attempt to light threetimes before locking out. To reset it, turn off power tothe heater, wait 30 seconds and re-apply power.Code ConditionOn System OK; No faults presentOff Possible control fault; Check power1 Flash Low air2 Flashes Flame in combustion chamber;No call for heat3 Flashes Ignition lockout4 Flashes Low HSI current5 Flashes Low 24 VAC6 Flashes Internal fault; Replace controlTable O: Ignition ModuleDiagnostic LED Flash CodesHigh Limit - Manual ResetThe heater is equipped with a fixed setting manual re-set high limit temperature device as standard or it mayhave an optional adjustable setting manual reset hightemperature device.The fixed setting manual reset high limit is located onthe In/Out header of the heat exchanger on the rightside of the heater (accessible through the front door forreset as necessary).The optional adjustable manual reset high limit is lo-cated inside the heater junction box. Push the resetbutton and adjust the setting to approx. 40°F abovedesired outlet temperature.Fig. 30: Fixed Setting & Adjustable High Limit(Manual Reset)High Limit - Auto Reset (Optional)The heater may be equipped with an optional adjust-able auto reset high limit temperature device.The optional adjustable auto reset high limit is locatedinside the heater junction box. Adjust the setting toapprox. 20°F above desired outlet temperature.Fig. 31: Adjustable High Limit (Auto Reset)Flow SwitchThis standard, dual-purpose control, mounted andwired in series with the main gas valve, shuts off heaterin case of pump failure or low water flow.