Raypak 260-401 Installation And Operating Instructions Manual

Contents

For Honeywell Gas Valve: Turn gas control knobcounter clockwise from “OFF” until itstops. Push in gas control knob and continuerotating counter clockwise to “ON”position. Make sure knob rest against stop.GAS CONTROLKNOB SHOWNIN "ON" POSITIONGAS INLETFig. #8082For Honeywell Gas Valve: (Models 403 )Turn gas control knob counter clockwiseto “ON”.GAS CONTROLKNOB SHOWNIN "ON" POSITIONGAS INLETFig. #8219.09. Replace door panel.10. Turn on all electric power to the appliance.11. Set tankstat to desired setting.12. If the appliance will not operate, follow the instruc-tions “To Turn Off Gas To Appliance” and call yourservice technician or gas supplier.TO TURN OFF GAS TO APPLIANCE1. Set the thermostat to the lowest setting.2. Turn off all the electric power to the appliance ifservice is to be performed.3. Remove door panel.4. For Robertshaw Gas Valve: Turn gas controlknob clockwise to “OFF”.For Honeywell Gas Valve: Turn gas control knobclockwise to “OFF”. Make sure knob restagainst stop.For Honeywell Gas Valve: (Models 403)Push in gas control knob slightly and turnclockwise to “OFF”.5. Replace heater door panel.SECTION 4. Testing the Ignition Safety Shut-offThe ignition system safety shutoff must be tested byconducting the following method of tests:For Standing Pilot Systemsa.With the main burners on, remove the pilotadjustment cover screw.b.Insert a small slot screw driver and turn theadjustment screw clockwise until pilot flamegoes out. Note and count number of turns made.c. Gas valve will shut off main burners after aboutthree (3) minutes. End of test. If the gas valve22will not shut off, follow the instructions "To TurnOff Gas To Heater" and call service technician oryour gas supplier.d.Return pilot adjustment screw counterclockwise, same number of turns as in step (b).e.Replace pilot adjustment cover screw, then fol-low the lighting instructions to get heater ready foroperation.FOR AUTOMATIC IGNITION SYSTEMSA. Intermittent Ignition (IID)1. Turn on power to the ignition systems and turn gassupply off at the gas valve.2. Check ignition module as follows:a.Set the tankstat to high setting.b.Watch for continuous spark at the pilot burner.c.Time the spark operation. Time must be withinthe lockout timing period (15 or 90 seconds).d.Turn tankstat down to end call for heat and wait60 seconds on lockout models before beginningstep 3.3. Turn on gas supply.4. Set tankstat to high setting.5. Systems should start as follows:a.Spark will turn on and pilot gas valve will open atonce. Pilot burner should ignite after gas reachesthe pilot burner.b.Spark ignition should cut off when pilot flame isestablished.c.Main gas valve should open and main burnershould ignite after gas reaches the burner port.INSPECTION PROCEDURESBURNERSClean main burners and air louvers of dust, lint anddebris. Keep heater area clear and free from com-bustibles and flammable liquids. Do not obstruct the flowof combustion and ventilating air. Make visual check ofburner and pilot flame. Yellow flame indicates clogging ofair openings. Lifting or blowing flame indicates excesshigh gas pressure. Low flame indicates low gas pressure.4" Max.TYPICAL MAIN BURNER FLAME Fig. # 8144