User manual

10 PNEG-876 APP Series Fans
4. Operation
Figure 4A
Units may be operated using a switch, thermostat, timer or controller.
Follow wiring and operation instructions furnished with the control system selected.
When using speed controllers, follow the operation procedures recommended by the
controller manufacturer.
1. Set thermostat setting to a desired temperature. Fan will operate only when ambient temperature is
above the thermostat set temperature.
2. Some controllers have idle speed controls. Set idle speed such that the blade RPM is within the
RPM range listed in the performance table.
Fan Model Width (in.) Inside Height (in.) Outside Height (in.)
(B) 4" Wall (A) 6" Wall (A) 8" Wall (A)
APP-12* 17 17-1/2 16-1/2 16 15-1/2
APP-14* 20 20 19-1/4 18-7/8 18-1/2
APP-18* 25-1/2 26 25 24-1/2 24
APP-24* 34-1/2 34-1/2 33-1/2 33 32-1/2
APP-36* 44-1/2 44-1/2 43-1/2 43 42-1/2
APPB-36* 44-1/2 44-1/2 43-1/2 43 42-1/2
APPB-50* 56 56 55 54-1/2 54
* Add - BLK suffix to end of fan model for black fans.