Installation
LTPS-UM-8007-01, Issue 1
52
November 9, 2001
SPX-CABFIN01, SPX-CABFIN04
4
Set the switch to OFF (center position) to operate the fans under control of the cabinet thermostat.
Figure 45.
Master Fan Shelf
A
DJUSTING
THE
I
NTRUSION
A
LARM
S
WITCH
Intrusion alarm switches, located at the top of each door, activate an alarm when a door is opened. Upon closing
the door(s), the alarm is reset, and the next door opened will activate the alarm.
1
Close one cabinet door slowly, while listening for the intrusion alarm switch to click as the door is closed.
2
If necessary, adjust the switch extender screw as shown in
to ensure contact at the door
with sufficient plunger travel to disarm the alarm when the door is closed, but without interfering with the
door closing completely.
3
If necessary, repeat Step 1 and Step 2.
Table 6.
Master Fan Shelf Controls, Fuses, and Indicators
Item
Function
ON/OFF/MOM (momentary)
(Switch) Controls power to the heat exchanger fans:
•
ON—Fans operate continuously.
•
OFF—Fans operate under thermostatic control.
•
MOM.—Fans operate while the switch is held in this position.
FAIL/MASTER
(Red LED) When lighted, indicates the failure of any shelf fan.
FAIL/REM 1
FAIL/REM 2
FAIL/REM 3
(Red LED) When lighted, indicates the failure of a fan in a remote fan shelf (if installed).
FAIL/HE 1
(Red LED) When lighted, indicates the failure of a heat exchanger fan.
FAIL/HE 2
Not used.
FUSE ALARM
(Red LED) When lighted, indicates the failure of a fuse.
FUSES
Protect heat exchanger and shelf fans.
