40
6022221B - Direct Drive HVLS Fan UM
November 2022
Electrical Schematics
FIRE CONTROL SYSTEM FAN SHUTDOWN
— OPTIONAL
This fan includes a fire alarm option. This option
allows the fan to be shut down by the fire control
system in case of an emergency.
NOTE:
Ensure the fire alarm jumper is in place or the
building fire control system is connected and the
jumper removed.
The normally closed (NC) contacts must be
dry contacts. They open in the event of an
active alarm.
ENABLE THE FIRE CONTROL SHUTDOWN
The fire control system fan shutdown option
is not enabled when shipped. To enable the
shutdown option: 1
1. Remove the jumper between enable (EN)
and (24).
2. Replace the jumper with a set of dry,
normally closed contacts. See the
schematics for the optional fire control
panels. See
Figure 28
FA jumper
(remove to
tie in fire
control system
fan shutoff)
PCB
(mounted in enclosure)
Customer supplied fire
alarm dry contacts NC
(contacts open on alarm)
TOC
