How to Wire for a Heat Recovery Ventilator
Installing a heat recovery ventilation system will let you recover heat from the exhaust air leaving your house and use the recovered heat to heat incoming ventilation air or to heat water. Wiring the heat recovery ventilation system correctly is important for proper operation. Most heat recovery ventilation systems come with a plug that is plugged-in to an outlet for power. The wiring you have to do involves wiring the control to the heat recovery ventilation to allow for control of the unit from any convenient part of the house. Does this Spark an idea?
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Things You'll Need
- Wire cutter
- 4-conductor cable
- Heat recovery ventilator manual
- Screwdriver
- Heat recovery ventilator control
- Heat recovery ventilator control manual
Instructions
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1
Disconnect the heat recovery ventilation system from the outlet; this will prevent possible electrocution.
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2
Remove the cover of the control box. The cover is usually held on by pressure with tabs on the side. Press the tabs to open the box.
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3
Strip about an inch of cable from each of the ends of the four cables inside the conductor cable with the wire cutter.
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4
Read the manual of the heat recovery ventilation system for exact wiring directions as they vary by manufacturer. Some systems will be labeled and will use a common wiring method. If this is the case, connect the red cable to the "R" label. Connect the black and blue cable to the "B" label. Connect the white cable to the "G" label. Secure the cables tightly in place with the screwdriver. Do not wire the system using this format unless you verified it in the manual first.
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Connect the other end of the conductor cables to the control. Place the end of the cable into the screw and tighten in place with the screwdriver. Read the manual for detailed instruction as they vary by vendor.
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6
Place the cover back over the heat recovery ventilator and plug-in the plug to the outlet. Place the control to the on position and see if the heat recovery ventilator turns on. If it does not turn on, unplug the ventilator from the outlet and inspect the wires to make sure none came loose.
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References
- Photo Credit Jupiterimages/Photos.com/Getty Images
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Comments
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When attaching any wire to a screw terminal, twist the end of the wire in a clockwise loop, so it wraps around the screw as you tighten it by twisting clockwise, rather than opening the loop away from the screw.
