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Colored Wiring Diagram #8A6

Forced Air Furnace and a 120Vac Gas Dryer that requires a separate fresh air duct for its operation

HMI Hoyme Manufacturing Inc. Special Note: Circuits are colored for clarification only and are not necessarily those found in actual installations. Wires of the Combustion Air Damper, however, are colored as shown .
  Colored Wiring Diagram #8A6
Diagram #8A6: Forced Air Furnace and a 120Vac Gas Dryer that has a separate fresh air duct for its operation.
1. Fresh Air Damper with Relay and End Switch  MAC-0x11-SPC ( Power Close). 
2. 24Vac Relay Adaptor with a Duplex Receptacle and a Red Light (on/off) Switch RADP-0241-S10A  
1. The MAC Damper is to be open before the dryer operates. It is interconnected to the furnace for power or to a separate 24Vac transformer and to the adaptor RADP-0241-S10A. 
2. The RADP-0241-S10A is plugged into a regular 120Vac receptacle and the Gas Dryer is plugged into the RADP-0241-S10A receptacle. 
3. Manually turning on the Red light Switch opens the MAC fresh air damper and closes the end switch to turn the red light on. The damper is thus proven to be open (interlocked) ready for the dryer to run.
4. After the dryer cycle is complete, the Red Light Switch may be turned off causing the damper to close. 

Note: This installation does not interfere with the normal operation of the heating or cooling cycles of the furnace.
1222-ld - Printed in Canada
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Last Updated (Tuesday, 20 October 2015 09:45)