HMI Hoyme ADP – 1103 – TW5
This Adaptor ADP-1103-TW5 is an automatic control switch which is designed, but not limited, to accommodate two separate Exhaust Fans in a dwelling having one Furnace and (if used) a Replacement Air Damper. A controlled 120Vac signal from one Exhaust Fan and/or a 24Vac signal (or dry contacts) from a second Exhaust Fan will simultaneously turn on the Furnace Circulation Fan and open the replacement Air Damper. Added is a relay to also open the damper during Furnace firing.
Installation instructions – Printer friendly (pdf)
Wiring Diagrams used with the ADP-1103-TW5:
