Viconics VZ7260X Installation Guide Manual do Utilizador descarregar pdf (Página 6)

6 | VZ7260W Series- Installation Guide

TERMINAL, IDENTIFICATION AND FUNCTION

Wiring

Terminal Use

Terminal

Identification

VZ7260F

Terminal

Identification

VZ7260C

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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