Viconics VT7200 Installation Manual (First Release 1000 Series) User Manual
Page 6
6
Schematic Wiring Settings
Pressure dependent VAV cooling / heating with changeover ( VT7200C1000 ) Floating actuator
Mandatory
• Out1Conf = 2.0
• CntrltTyp = Floating
• FL time = as per actuator
If heat / cool auto-changeover
with a local discharge air
temperature sensor set:
• SeqOpera = 0 Cooling only
• UI3 = COS
Pressure dependent VAV cooling / heating with changeover ( VT7200F1000 ) Analog actuator
Mandatory
• Out1Conf = 2.0
• RA/DA = as per actuator
If heat / cool auto-changeover
with a local discharge air
temperature sensor set:
• SeqOpera = 0 Cooling only
• UI3 = COS
Pressure dependent VAV cooling / heating with changeover and reheat ( VT7200C1000 ) Floating actuator
Mandatory
• Out1Conf = 2.0
• CntrltTyp = Floating
• FL time = as per actuator
If heat / cool auto-changeover
with a local discharge air
temperature sensor set:
• SeqOpera = 2 Cooling with
Reheat
• UI3 = COS
Pressure dependent VAV cooling / heating with changeover and reheat ( VT7200F1000 ) Analog actuator
Mandatory
• Out1Conf = 2.0
• RA/DA = as per actuator
If heat / cool auto-changeover
with a local discharge air
temperature sensor set:
• SeqOpera = 2 Cooling with
Reheat
• UI3 = COS
Changeover
Sensor
Room Temperature Control
Minimum & Maximum Position
Adjusted on the actuator
Modulating Floating
VAV Actuator
Supply air
temperature sensor
UI3 COS
0 V~ Com
24 V~ Hot
BO1 Open
BO2 Close
0 to 10 Vdc
Analog Actuator
Changeover
Sensor
Room Temperature Control
Minimum & Maximum Position
Adjusted on the actuator
Supply air
temperature sensor
0 to 10
Vdc
UI3 COS
0 V~ Com
24 V~ Hot
AO1
Changeover
Sensor
Room Temperature Control
Minimum & Maximum Position
Adjusted on the actuator
Modulating Floating
VAV Actuator
Heating and/or Cooling
& On/Off Duct Heater
Supply air
temperature sensor
1
C
UI3 COS
0 V~ Com
24 V~ Hot
BO1 Open
BO2 Close
BO5-Aux
BO5-Aux
Changeover
Sensor
Analog VAV Actuator
Heating and/or Cooling
& On/Off Duct Heater
Room Temperature Control
Thermostat
Minimum & Maximum Position
Adjusted on the actuator
Supply air
temperature sensor
1
C
0 to 10
Vdc
UI3 COS
0 V~ Com
24 V~ Hot
AO1
BO5-Aux
BO5-Aux
AO2