Installation, use and Maintenance manual - ed. 04/14
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5.3 - Alarm
This connection is intended to be used to shut down the cooler in a controlled manner and
show an alarm condition at the Wall Control Box and the LED in the Main Controller.
This has to be closed for the cooler to operate.
Typical applications are:
•
Connection to a fire alarm system
•
Connection to a smoke detector
When the connection is broken the cooler fan stops and the cooler drains if it is in cool
mode. The Alarm light on the wall controller will flash with a 6 times sequence and the
Main Control Panel will show 6 on the LED
The Alarm function operates in both Manual and Automatic Mode.
5.4 - Timer
This connection is intended to be used to shut down the cooler in a controlled manner.
This has to be closed for the cooler to operate.
Typical applications are:
•
Connection to a timer
•
Connection to an auxiliary switch. E.g. link to a switch which prevents cooler from
operating if a vent is not open
When the connection is broken the cooler fan stops and the cooler drains if it is in cool
mode.
If only the Timer contact is used the Alarm must be bridged
Yellow/black (Alarm)
Green/black (Timer)
Orange/black (Thermostat)
White/black (Humidistat)
Red/black (Common)
