Nortec NH-EL Series - Manual (Page 37)

Installation | 34
Daisy chain pole 1 and 2
of terminal J10 of the
control board.
Do not reverse polarity.
Note:
Slave X
Daisy Chain
up to 16
Humidifiers
Master
Slave 1
Multi Mode Wiring

Connect up to 16 units (equivalent of 1600 lb/hr) using 18-24 AWG multi-strand, twisted
pair, shielded cable.

Connect humidistats/transducers and security loop to master unit only.

Jump the security loops on slave units.

When connecting double units connect only to driver board A.

See NH-EL Humidifier Configuration on page 54 and Multi on page 57 for software
configuration.
Figure 32: Multi Mode Wiring