Raypak XFyre 300A Installation & Operating Instructions Manual

CAUTION: This appliance has provisions to beconnected to more than one supply source. Toreduce the risk of electric shock, disconnect all suchconnections before servicing.CAUTION: Risk of electric shock: More than onedisconnect switch may be required to de-energizethe equipment before servicing.Ignition Control FunctionsWhen there is a call for heat, and all safeties areclosed, then the combustion air blower starts to purgeair from the combustion chamber. After the pre-purge,the igniter is energized. The standard ignition modulewill lock-out after failing to light 3 times during a call forheat. To reset the lock-out, press and release theRESET button located on the user interface. The con-trol will automatically reset after 1 hour. When inlock-out the control will run the blower through a post-purge cycle.The single-try ignition module (part of the CSD-1option) will attempt to light only one time before lock-out occurs. To reset the lock-out, press and relase theRESET button located on the user interface.Turning off the power to the heater WILL NOT resetthe single-try ignition module.High Limit — Manual ResetThe heater is equipped with a fixed setting manualreset high limit temperature device as standard and itmay have an additional optional adjustable manualreset high temperature device.StandardThe fixed setting manual reset high limit is built into thePIM, it utilizes a dual element sensor located on theoutlet (see Fig. 29). To reset a high limit lock-out, pressand release the RESET button located on the userinterface.OptionalThe Optional adjustable setting manual reset high limitis located behind the front panel. To reset a high limitlockout, press the reset button on the adjustable man-ual reset limit as well as the reset button located on theuser interface.STANDARDLIMIT SENSOROPTIONALADJUSTABLESETTINGFig. 29: High Limit (Manual Reset)High Limit — Auto Reset (Optional)The heater may be equipped with a fixed auto-resethigh limit temperature device and/or an adjustableauto-reset high limit temperature device. The optionalauto reset high limit is located on the brass outletadapter inside the unit, and the adjustable auto-resethigh limit is located inside and behind the front panel.Fig. 30: High Limit (Auto Reset)FIXED SETTINGADJUSTABLESETTINGNOTE: Ignition modules are common for all modelsizes. However, model-specific operating parame-ters are defined by their respective ID cards.NOTE: Adjustable limits must be set higher than theexpected outlet temperature of the unit during nor-mal operation, to prevent short cycling and nuisancetrips.35