Viconics VT8300 Low Voltage Application Guide Manual de usuario descargar pdf (Pagina 17)

Fan Coil Unit Controller SeriesApplication Guide

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

Tx/Rx

7 Vdc

Com

RUI 1

SCom

RBI 2

BACnet+

BACnet-

BACnet REF

UI 16 - BI1

UI 17 - BI2

SCom

Tx / Rx

7 VDC

Com

BI1 (Window)

SCom

SC3504E5000

VTR8300

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

If supply water temperature is less than 24°C (75F), cooling valve

opens to maintain room temperature, else the valve closes.

On Call for Heat

If supply water temperature is greater than 25°C (77F), heating valve

opens to maintain room temperature, else the valve closes.

Supply Air Sensor

Only used for monitoring. Shows automatically if sensor is

connected.

Wired Window Switch

The window switch automatically locks out heating/cooling when

window opens.

Options

• Wireless adapter modules for BACnet models are available.

(see Appendix B for network wiring).

• Models available with factory installed PIR sensor.

• Remote wall mount or duct sensor ready.

• Can be conﬁgured for 2-pipe systems with changeover.

• Binary inputs can be conﬁgured to control occupancy via door

or window contact, remote night setback, or provide alarms for

service or ﬁlter monitoring.

• Universal input can be conﬁgured for changeover sensor.

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Viconics VT8300 Low Voltage Application Guide Manual de usuario Pagina 17

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