Install Instructions

5 | 028-0485-00 November 2017
BI 1
Binary input #1 function:
Remote NSB timer clock input. The scheduling will now be set as per the binary input. It
provides low cost setback operation via a dry contact:
• Contact opened = Occupied
• Contact closed = Unoccupied
UI 3
Supply air sensor: Used for supply air temperature control.
TERMINAL IDENTIFICATION AND FUNCTION
Pin Number
Pin Identification
Description
4
24 V ~ HOT
Power 24 Vac
5
24 V ~ COM
Common
6
Do not use
7
AUX
24 Vac pulsed output
9
AO 2
0 to 10 Vdc analog output
10
AO 1
8 Vdc pulsed output
12
BI 1
Night setback input
13
RS
Remote sensor
14
S COM
Sensor common
16
UI 3
Supply sensor