Viconics VT8300 Low Voltage Application Guide - Manual (Page 29)

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29 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 | [email protected] February 2015
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VT8300
BO2 - Fan L BO3 - Fan M BO4 - Fan H
RC (24 V
ac)
C (Common)
RH
BO8
- Aux Heat
V
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.