Home Support Colored Wiring Diagrams #5 - #6B2 #6A5

Colored Wiring Diagram #6A5

Two 120Vac vent switches, two Adaptors an 1101-05A and an 1102-TWP, a replacement air damper, Power Open, opens during firing.
HMI Hoyme Manufacturing Inc. Special Note: Circuits are colored for clarification only and are not necessarily those found in actual installations.

Colored Wiring Diagram #6A5

Diagram #6A5: Forced Air Furnace having one  replacement air supply duct together with two exhaust fans controlled by two relay adaptors one being (ADP-1101-05A) and the other (ADP-1102-TWP) .
1. A Replacement Air Control Damper, Power Open (HAC-0x10-OPO
2. Two Ventilation Switches to supply Controlled 120Vac to furnace area. 
3. Two Relay Adaptors (ADP-1101-05A) and the other the (ADP-1102-TWP) Both function as a control centers to actuate the replacement air damper from the thermostat or by either ventilation switch.

1. Replacement Damper opens during furnace firing. 
2. Either Ventilation Switch  simultaneously turns on the Exhaust Fan, opens the Replacement Air Damper and turn on the Furnace Fan. 
3. Optional Switch (i.e. Toggle Switch) allows full control of the Replacement Air Damper to open separately provided it is a  Power Open (PO) type damper.

(For Power Close Damper see Diagram #6A4)
N.B. Replacement Air Damper is not affected by the ‘Manual’ setting of the furnace fan nor is the Air Conditioner affected in any way.

1728-ld - Printed in Canada

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Last Updated (Thursday, 13 July 2017 09:49)