Greenheck PVF - Manuals

Setting Manifold Pressure for Two Stage Gas Control 1. Set the unit to high fire by setting the discharge temperature control orthermostat to its maximum setting. If theambient temperature is warm, the unitmay not stay at high fire. 2. Measure the burner manifold pressure at the manifold pressure te...

1. Set the unit to high fire by placing a jumper between terminals 7 and 8 on the Maxitrol amplifier.2. Measure the burner manifold pressure at each furnace at the pressure test port (see Figure 2) using a high quality manometer that can measure low gas pressures. The pressure at high fire should be...

Ignition Control Diagnostic LED During normal operation, the LED is shut off. The LEDwill be on or flashing during a fault condition. If a faultcondition is occurring, turn the unit off and on again. Ifthe LED is still flashing, refer to the followingtroubleshooting section. LED Indication Error Mod...

Combustion Blower Motor Motor maintenance is generally limited to cleaning.Cleaning should be limited to exterior surfaces only.Removing dust and grease build-up on the motorhousing assures proper motor cooling. Use cautionand do not allow water or solvents to enter the motoror bearings. Under no ci...