Viconics VT8300 Low Voltage Application Guide Uživatelský manuál stáhnout pdf (Strana 29)

Fan Coil Unit Controller SeriesApplication Guide

028-0444-01 www.viconics.com | sales@viconics.com February 2015

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VT8300

BO2 - Fan L

BO3 - Fan M

BO4 - Fan H

RC (24 Vac)

C (Common)

BO8

- Aux Heat

UO11

- Analog Heat

UO12 - Analog Cool

BACnet +

BACnet -

BACnet REF

UI 16

UI 17

Common

UI 19

UI 20 - RS

Common

UI22 - SS

Mod. & On / Off Control

HEATING VALVE

NC Com.

COOLING VALVE

0-10 V 24V Com.

COMM ON

24 VAC

FAN HI

FAN MED

FAN LO

FCU Low-voltage

TERMINAL BLOCK

Sequence of Operation and Wiring

Occupied Mode

Setpoints revert to those deﬁned by occupied cooling and heating.

Stand-by Mode (only available when PIR motion detector

sensor is used)

Setpoints revert to those deﬁned by stand-by cooling and heating.

Unoccupied Mode

Setpoints revert to those deﬁned by unoccupied heating and

cooling.

Occupied Override Mode

System reverts to occupied mode for duration determined by

“ToccTime” parameter.

On Call for Cool

Analog valve starts modulating based on cooling demand.

On Call for Heat

Heating valve opens.

Options

• Wireless adapter modules for BACnet models are available.

(see Appendix B for network wiring).

• Remote wall mount or duct sensor ready.

• Can be conﬁgured for 2-pipe systems.

• Can be conﬁgured to single or two speed fan.

• 3 universal inputs can be used and conﬁgured for advanced

functionality as required by the application.

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