Fan coil unit controller series application guide, Options – Viconics VT8300 Low Voltage Application Guide User Manual
Page 19
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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
BACnet+
BACnet-
BACnet REF
UI 16 - BI1
UI 17 - BI2
SCom
Tx / Rx
7 VDC
Com
BI2 (Door)
SCom
SC3500E5000
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
Cooling valve opens to maintain room temperature. Heating valve
closes.
On Call for Heat
Heating valve opens to maintain room temperature. Cooling valve
closes.
Door Switch
Door switch automatically toggles occupancy.
Options
•
Wireless adapter modules for BACnet models are available.
(see Appendix B for network wiring).
•
Models available with factory installed PIR sensor.
•
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, remote night
setback, or provide alarms for service or filter monitoring.