Fan coil unit controller series application guide, Sequence of operation and wiring, Options – Viconics VT8300 Low Voltage Application Guide User Manual
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Fan Coil Unit Controller Series
Application Guide
Viconics Technologies Inc.
|
9245 Langelier Blvd.
|
St.-Leonard
|
Quebec
|
Canada
|
H1P 3K9
|
Tel: (514) 321-5660
|
Fax: (514) 321-4150
028-0444-01
www.viconics.com
|
February 2015
Tx/Rx
7 Vdc
Com
1
2
3
SC3500E5000
VTR8300
BACnet+
BACnet-
BACnet REF
UI 16 - BI1
UI 17 - BI2
SCom
Tx / Rx
7 VDC
Com
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
Cooling valve opens to maintain room temperature. Heating valve
closed.
On Call for Heat
Heating valve opens to maintain room temperature. Cooling valve
closed.
Wireless Door Switch
Wireless door switch automatically toggles occupancy.
Options
•
Wireless adapter modules for BACnet models are available.
(see Appendix B for network wiring).
•
Can be configured for 2-pipe systems (without changeover).
•
Binary inputs can be configured to control occupancy via door
or window contact, remote motion sensor, or remote night
setback.