Oil Furnace And Heat Pump Wiring Diagram
C is known as the common terminal.
Oil furnace and heat pump wiring diagram. You can probably set your heat pump lock out temp to 30 maybe even 25. A heat pump with oil furnace backup combines the benefits of both systems. The heating system could also be a boiler however is it necessary to ensure with split systems and the type of heating systems described that you. It corresponds to the chart below to explain the thermostat terminal functions.
4091 series water source heat pumps. The second wiring diagram showing a heat pump system. You can set the furnace lock out at 35 and the heat pump lock out at 30 with a 2 degree droop. Heat pump cop would still be well above 1 5.
Before uninstalling the old thermostat take a picture of the wiring with your cell phone before removing the wires. The color of wire r is usually red and c is black. Answered by a verified hvac technician. My paperback and e book.
4088 series bc36 blower coils. 4050 series wqs30 wqsd30. Finally the third thermostat diagram showing the average type of split system with an air conditioner or gas or oil furnace used for heating. Ac heat pump with single stage gas furnace and all fuel kit control wiring heat pump standard thermostat standard furnace outdoor heat pump thermostat.
These two connections will ensure that there is power to the thermostat that you are operating. During most of the year the heat pump component will be more than adequate to cool or heat your home as desired. Heat pump thermostat wiring chart diagram. The basic heat pump wiring for a heat pump thermostat is illustrated here.
4087 series uhpa heat pumps. This way you have a reference. To determine wiring diagrams specfic to your product refer to the 2110 product parts manual. I go over the efficiency temperature settings what to watch out for so the heat pump is not damaged what the thermostat wire terminals colors and functions are what happens during defrost and.
Some ac systems will have a blue wire with a pink stripe in place of the yellow or y wire. If you use a thermostat like the iaq. 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. But when temps dip low instead of switching to a heating panel your heat pump will turn off and activate the oil furnace backup.
4047 series fm oil furnaces. This will use the heat pump first between those temps and if the indoor temp drops 2 degrees. Heat pump thermostat wiring a typical wire color and terminal diagram. Supply as shown on the unit wiring label on the inside of the blower compartment use the wiring diagram below to connect the furnace control communi.