Thermal Zone Control Wiring Diagrams

The color of wire r is usually red and c is black.

Thermal zone control wiring diagrams. Control wiring for gas or oil furnace for typical gas or oil heat for typical electric heat. See thermostat instructions for further details. Contained within the coils of an air conditioner these liquid agents cool and dehumidify indoor air. W bl r w bk g bk yl br pu.

When using alternative wiring diagram wiring instructions must be followed so power originates from the boiler aquastat. Refrigerants make air conditioning possible. Always follow manufacturers instructions for both the thermostat and the hvac system. Wiring diagram book a1 15 b1 b2 16 18 b3 a2 b1 b3 15 supply voltage 16 18 l m h 2 levels b2 l1 f u 1 460 v f u 2 l2 l3 gnd h1 h3 h2 h4 f u 3 x1a f u 4 f u 5 x2a r power on optional x1 x2115 v.

Wiring instructions model ewt 725. C is known as the common terminal. When using alternative wiring diagram the boiler oper ating control s zc terminal will see the load of the circulator s. 2nd stage heat output is controlled by an adjustable timer on the panel.

Configured for 1 heat 1 cool. Additional articles on this site concerning thermostats and wiring can help you solve your problem or correctly wire a new thermostat. Typical condensing unit br brown wire yl yellow wire x. 2 wire control 6 3 wire control 6 9 shunting thermal units during starting period 10 overcurrent protection for 3 wire control circuits 11 ac manual.

Thermostat wiring diagrams for heat pumps heat pump thermostat wire diagrams. Heat pump thermostat wiring a typical wire color and terminal diagram. These two connections will ensure that there is power to the thermostat that you are operating. Thermal zone can help you keep your utility bills low and your comfort levels high.

Heat pump thermostat wiring chart diagram hvac the following graphics are meant as a guide only. Typical thermostat subbase typical gas or oil furnace. Heat pumps are different than air conditioners because a heat pump uses the process of refrigeration to heat and cool while an air conditioner uses the process of refrigeration to only cool the central air conditioner will usually be paired with a gas furnace an electric furnace or some other method of heating. For years the most common refrigerant used in air conditioning systems was r 22.

Heat pump user manuals operating guides specifications. As shown in the diagram you will need to power up the thermostat and the 24v ac power is connected to the r and c terminals. If you prefer. Wiring diagram application guidelines.