Kn-series gas-fired direct vent cast iron boilers (32 pages)
Summary of Contents for HydroTherm 22-UMHVX3
Page 1
UMHVX3-1 HydroTherm 22-UMHVX3 HVX GAS BOILERS USER'S INFORMATION MANUAL Intertek MEMBE Do not store or use gasoline or other flammable vapors and liquids in the vicinity this or any other appliance. WHAT TO DO IF YOU SMELL GAS: • Do not try to light any appliance.
PAGE 2 HVX USER'S INFORMATION MANUAL BASIC OPERATION Pilot. The pilot provides the ignition source for the main burners.Your boiler has an intermittent pilot. The intermittent pilot ignites only when there is a call for heat and extinguishes when Service on this boiler should be undertaken the call for heat ends.
Page 3
HVX USER'S INFORMATION MANUAL PAGE 3 TO THERMOSTAT TO LINE VOLTAGE TO CIRCULATOR POWER SUPPLY LIMIT FAN/RELAY CENTER GAS VALVE INNER JACKET PANEL FLAME ROLLOUT SWITCH PRESSURE SWITCH Figure 1: Control Locations SAFETY All::< ELIMINATION RELIEF SUPPLY_ DEVICE VALVE SUPPLY s/4"...
PAGE 4 HVX USER'S INFORMATION MANUAL FOR YOUR SAFETY READ BEFORE LIGHTING on may ] result causing property damage, personal injury, or loss of life. A. This appliance is equipped with an ignition device • Immediately call your gas supplier from a which automatically lights the pilot.
HVX USER'S INFORMATION MANUAL PAGE 5 USER MAINTENANCE Service on this boiler should be undertaken only Product Safety Information by trained and skilled personnel from a qualified Refractory Ceramic Fiber Product service agency. Inspections should be per- formed at intervals specified in the Installation, This appliance contains materials made from...
Page 6
PAGE 6 HVX USER'S INFORMATION MANUAL Inspect Pilot and Main Burner Flames (Monthly). Check main burner flames. See Figure 5. The flames should have clearly defined inner cones Remove Front Jacket Panel by lifting approximately 1½" (40 mm) high and should pulling out.
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