Propane Heat Control Wiring Diagram. This wire should go directly to the heating source whether it be a gas or oil furnace electric furnace or boiler or auxiliary heating for a heat pump. Once you know which wiring type is right for the system and the thermostat youre installing you can head to our resources section where you can choose between uh2 uh1 uh1 w uh3 uh8 rf wiring centres as well as view a trades layout and single zone wiring diagram if needed.
Click the icon or the document title to download the pdf. September wiring diagrams gas fired power vented and separated combustion unit heaters for models hdhdb hdshdc ptsbts ptc. The limits trip if too much heat is building up in the unit.
Please note that these drawings reflect the standard configuration.
Showing flow from boiler up to s plan valves or zone valves then onto heating and hot water circuit. Description of the heater figure 2 is a diagram of the heater showing how it oper ates. S plan schematic. Feb 23 i have an old modine gas heater hanging in my garage.