5
WIRING ZONE DAMPERS
There are three methods of wiring the zone dampers. If necessary, you can mix methods on different zones to suit your
application.
Method 1:
When wiring one to three TR/TREC series dampers to a zone.
Method 2:
When wiring more than Three TR/TREC series dampers to a zone, use a 24v AC, SPNO relay (Field Supplied).
Method 3:
When using a ST series damper to a zone, use a 24v AC, SPDT relay (Field Supplied).
Note:
ST series medium pressure dampers are requied for all systems over 5 tons. Refer to Parts Selection Table, Page 13
