RED L.E.DPUSH FOR HEATPUSH FOR VENTILATION1. Connect electrical cord to an approved electricaloutlet.2. Set thermostat to desired room temperature.3. This heater has a rocker selector switch located onthe back of the heater near the burner end accesspanel. This switch allows you to either heat orventilate (no heat). See Fig. 13 for selector switchpositions.FIG. 13A. HHeatinga. Open all manual fuel supply valves. Check for gasleaks using an approved leak detector. The gascontrol valve on the heater has a manual shut-offfeature incorporated into the valve assembly. Ensurethe indicator on the valve is positioned to ON. SeeFig 14.b. When the selector switch is positioned to heat, a redlight within the switch will be on. The fan motor willstart, the igniter will spark and ignition will occur.The thermostat will cycle the heater on or off basedupon temperature setting.FIG. 14B. VVentilationWhen the selector switch is positioned to vent, thered light will NOT be on. The fan motor will start, butthe igniter will not spark, nor will ignition occur. Thisfeature is used typically when heat is not needed, butair circulation is required. The heater will not cycleon its thermostat setting. To discontinue theventilation feature, position the switch to off or heat.C. OOffPosition the switch to midpoint.ATTENTION■ It is normal for air to be trapped in gas hose on newinstallations. The heater may attempt more than onetrial for ignition before air is finally purged from line andignition takes place.4. The direct spark ignition (DSI) control module is self-diagnostic. It works in conjunction with a lightemitting diode (L.E.D.) built into the selector switch.The light will flash a specific flash pattern dependingon a problem that occurs. Match the flash patterngiven by light to the troubleshooting label applied toinside of burner cap access panel of the heater. Thetroubleshooting label identifies the causes of theproblem as it relates to specific flash pattern andremedies to correct the problem. See also“Troubleshooting Data” within this Owner’s Manual.5. Do not exceed input rating stamped on nameplate ormanufacturer’s recommended burner orificepressure for size orifice(s) used. Make certain thatthe primary air supply to main burner is open andfree of dusk, dirt and debris for complete, propercombustion.Start-Up InstructionsONOFFRED L.E.D.PUSH FOR HEATPUSH FOR VENTILATION1. Close the gas supply valve located on the propanegas supply container.2. Allow the heater to burn off any fuel gas remaining inthe gas supply line.3. For heaters so equipped, set the thermostat to “Off”or “No Heat”.4. Position selector switch to “Off.”5. Disconnect the heater from its gas and electricalsupplies.Shut-Down Instructions1414