
6 | VZ7260W Series- Installation Guide
TERMINAL, IDENTIFICATION AND FUNCTION
Wiring
Terminal Use
Identification
Identification
Description
4 - 24 V ~ Hot
24V ~Hot 24V ~Hot
Power supply of controller, hot
side (Delivered from the RTU).
5 - 0 V ~ Com
0V~Com 0V~Com
Power supply of controller,
common side. Also used as
reference for the analog
outputs when used.
6- On-Off Rht
BO5 BO5
Local isolated triac reheat
output when used.
7- On-Off Rht
BO5 BO5
Local isolated triac reheat
output when used.
8- Primary Rht
Not used
BO3
24 VAC triac reheat output
(open).
9 – Primary
Rht
AO2 BO4
For VZ7260F: Local analog 0 -
10 VDC reheat output when
used.
For VZ7260C: 24VAC triac
reheat output (close).
10 – VAV
Damper
AO1 BO1
For VZ7260F: Local VAV
analog 0 - 10 VDC.
For VZ7260C: 24VAC triac
VAV output (open).
11 – VAV
Damper
Not used BO2
For VZ7260C: 24VAC triac
VAV output (closed).
12 – BI1
BI1 BI1
Configurable extra digital
input. See parameter section
for more information.
13 – AI4
AI4
AI4
0-10VDC analog input for
remote CO2 or other sensor
(airflow, etc...)
14 - Scom
Scom Scom
Reference input for BI 1, BI 2,
UI3 and RS.
15 - RS
RS RS
Remote room sensor input
when used. Input auto-detects
a remote sensor and will
automatically by-pass the
internal sensor when used.
16 – UI3 / SS
UI3 UI3
Non-configurable extra analog
input for monitoring local
discharge or supply
temperatures over the
network.
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