Alarm Input Connection; Master/Slave Wiring - nVent Hoffman SpectraCool Slim Fit Instruction Manual

ALARM INPUT CONNECTION

The smart controller can accept a TLAN communication via the 6-POS connector terminals 5 and 6 marked MS1
and MS2 located on the enclosure side of the unit. This TLAN communication is associated with the controller
display alarm "LC" and "LC1", lost communication.
To use the TLAN communication feature, simply connect the TLAN harness to MS1 and MS2 terminals and to
MS1 and MS2 of each unit in parallel.
The smart controller can accept a dry contact switch input via the 6-POS connector terminals 1 and 2 marked
WHT/DS1 and WHT/DS2 located on the enclosure side of the unit. This input is associated with the controller
display alarm mnemonic "tP" door open and/or smoke detected.
To use the door open and/or smoke detected feature, simply connect door switch harness to DS1 and DS2 and to
DS1 and DS2 of each unit in parallel.
6-POS CONN
LABEL
1 WHT/DS1
2 WHT/DS2
3 YEL/ALARM
4 YEL/ALARM
5 MS1
6 MS2
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Master

Master/Slave Wiring

Connect in parallel
Slave 2
Slave 1
Figure 11
Slave 3
89116616