Viconics Technologies Inc.
www.viconics.com
028-0444-06
November 2018
78
1 2 3 4 5 6
13 14 15 16 17 18
7 8 9 10 11 12
19 20 21 22 23 24
VT83X0
BO4 - F
an H
R
C (24 V
ac)
C (Common)
RH
BO8 - A
ux Hea
t
UO11
- Analog Hea
t
UO12
- Analog Cool
B
A
Cnet +
B
A
Cnet -
B
A
Cnet REF
UI 16
UI 17
Common
UI 193
UI 20 - RS
Common
UI22 - SS
Modulating C ECM Fan
ECM Fan
(OPTIONAL)
UO10
- ECM 0-10 Vdc
COOLING VALVE
0-10 V 24V Com.
COMM ON
24 VAC
FAN START
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 modulates allowing cool air to flow to reach setpoint.
On Call for Heat
Valve closes.
Summary of Contents for VT8300 Series
Page 8: ...VTR83 3 Speed ...
Page 27: ...VTR83 ECM ...
Page 44: ...VT83 3 Speed ...
Page 63: ...VT83 ECM ...
Page 83: ...VT83 MIX VOLTAGE ...
