Viconics VT8300 Series, Application Manual

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Viconics Technologies Inc. www.viconics.com sales@viconics.com
028-0444-06 November 2018
Tx/Rx
7 Vdc
Com
RUI 1
SCom
RBI 2
SS
RS
1
2
3
4
5
6
7
8
ECM Fan
BA
Cnet+
BA
Cnet
-
BA
Cnet REF
UI 16 - BI1 UI 17 - BI2 SC
om
Tx / Rx
7 VDC
Co
m
(+)
(-)
0-10 VDC
BI1 (Window) SCom
VC3504E5000
VTR83X0
WHT
BLK
RED
BLU
BRN
YEL
ORG
NOTE: See Appendix B for VC3500
wiring to fan coil
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.