Honeywell Unitary Series - Terminal Connections

HONEYWELL UNITARY INSTALLATION INSTRUCTIONS-24 VAC/VDC
17 31-00614-01
Terminal Connections
Table 16 Terminal Connections
Terminal Label Description
POWER 24V
1 Building earth ground
2 VO 24 VAC / VDC power input
3 24 VAC / VDC power input
DO RELAY
4 NC1 Relay normally Closed 1
5 NO1 Relay normally Open 1
6 IN1 Relay input power 1
7 NC2 Relay normally Closed 2
8 NO2 Relay normally Open 2
9 IN2 Relay input power 2
10 NC3 Relay normally Closed 3
11 NO3 Relay normally Open 3
12 IN3 Relay input power 3
13 NC4 Relay normally Closed 4
14 NO4 Relay normally Open 4
15 IN4 Relay input power 4
DO SSR
16 AUX OUT 24 VAC / 24 VDC AUX Auxiliary output
17 SRIN 24 VAC / 24 VDC AUX input (via factory jumper)
18 SR1 SSR1 output
19 C Common
20 SR2 SSR2 output
21 SR3 SSR3 output
22 C Common
23 SR4 SSR4 output
UIO
32 IO13 Universal input / output 13
33 C Common
34 IO14 Universal input / output 14
35 IO15 Universal input / output 15
36 C Common
37 IO16 Universal input / output 16
38 24 VDC OUT Auxiliary Power Output
BACnet IP Model
Port 1 Port 1 Ethernet IP 1, 10/100 Switched
Port 2 Port 2 Ethernet IP 2, 10/100 Switched
BACnet
T1L Model
39 DA+ T1L Switch 1
40 DA- T1L Switch 1
41 T1L Switch 1 Common
42 DA+ T1L Switch 2
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