16
3.6.3
Modulating Operation:
Connect an external 0-10 Vdc modulating input between terminals IN-GND.
Connect any Safety Switches (high-limit, air flow switch, remote on/off) in series to terminals AB-AB. If no safety switches are used, then a jumper must be installed
between AB-AB. DO NOT apply any voltage to AB-AB.
3.6.4
Safety and High Limit Switches
Remove the jumper between terminals AB-AB and connect any simple high-limits, air flow switch, and remote contacts in series to terminals AB-AB; otherwise, if no
such dry contacts are available, the jumper must remain in place between terminals AB-AB. DO NOT apply any voltage to AB-AB.
3.7
Wiring Connections:
Terminals Input/Output
Type
Description
N1-GND-N2
NTC
NTC air proving sensor
AB-AB
24 V Bridge
Remote On/Off, Safety Switches
IN-GND
24 V Bridge
Humidistat
NC-C-NO Dry
contact
Alarm
relay
NO-C
Dry contact
External fan relay
24-GND
24 VAC
Power for external humidistat
3.7.1
Wiring diagram of controller
Fig. 3.s
Summary of Contents for Elite Steam
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