Fire suppression switch – Greenheck Melink IH3 Installation User Manual
Page 30
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Melink Corporation (513) 965-7300 www.melinkcorp.com
If you installed an Electronic Motor Starter for a make-up air or supply fan, then you will
need to make sure it is interlocked with the fire suppression system. The purpose is to
make sure that this fan shuts down in the event of a fire. This is accomplished by running
the VFD on/off control signal to the fire suppression micro-switch. If/when this normally
closed (N.C.) switch opens, the VFD shuts down power to the fan.
Connect your Ansul micro-switch to terminals 01 and 04 of the VFD.
A
Fire Suppression Switch
01
02
03
04
05
06
Note:
The fire suppression
micro switch (N.C.) is not
provided by Melink.
1
Connect Fire Suppression Switch to VFD
30
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