Nu-Air WINDSOR SERIES - Electrical Schematics and Wiring - Part 2; Altering Furnace Interlock Settings

Nu-Air Ventilation Systems Inc. - HRV Operating & Installation Manual
Rev. 2.3 Aug. 19, 2014 - 22 -
(factory setting shown)
Control board edge
1 2 3 4 5 6 7 8
NU205
10.12. Altering Furnace Interlock Settings
Depending on local Building Codes, you may choose to interlock whenever the HRV/ERV is operating
at any speed, or just high speed. Position 5: interlock at any HRV speed; Position 6: interlock at HRV
high speed only.
One jumper must be present in jumper
range 1-4 and in jumper range 5-8.
Do not alter jumper set 3.