User ManualTable of ContentsPilot Outage1Actuation & Safety Controls2Solenoid Valve2Linear Limit Spill Switch3115VAC interlock with HSUL, GPAK Power Venters or Draft Inducers with 950-1040 24/115 VAC Relay4115VAC interlock with HST, GPAK-T Power Venters or Draft Inducers with 950-1067 Relay/Timer5115VAC interlock with HS115 Series Power Venters or Draft Inducers6System Schematic/WHK-2 Operation6WHK-2/HSUL or GPAK Series Furnace or Boiler & Water Heater Connection Diagram7WHK-2/HST or GPAK-T Series Furnace or Boiler & Water Heater Connection Diagram7WHK-2/SideShot Furnace or Boiler & Water Heater Connection Diagram824 VAC Water Heater Connections8Operation Circuit Check9Safety Interlock Test9Combustion Air Test9Post Purge Timer Adjustment9Warranty Claim Procedure12Typical Applications13Size: 430 KBPages: 15Language: EnglishOpen manual
