Conventional Boiler Wiring Diagram. There was no wiring involved just turn it on and off when you wanted the heating to work. Showing flow from boiler to Y Plan or Mid Position Diverter Valve and then onto heating or hot water circuit.
A wiring diagram generally offers information concerning the family member setting as well as plan of devices as well as terminals on. This diagram illustrates the wiring connections for a heat-pump system with auxiliary heating. Also allows the manual selection of heat.
Install in accordance with all local codes.
A line voltage thermostat will typically have wires larger than 18 gauge and may not have terminal labels. Furthermore this thermostat wiring diagram is specifically for a system with two transformers. A line voltage thermostat will typically have wires larger than 18 gauge and may not have terminal labels. 230 V combi boilers page 20 Low voltagedry contact combi boilers page 21 S-plan page 22 Y-plan page 23 OpenTherm boiler page 24 District heating with electrical control valve page 25.
