Viconics VT7300 Installation Manual (First Release 1000 Series) - Manual (Page 7)

7
Schematic Wiring Settings
4 pipe system cooling and heating ( VT7300C1000 & VT7305C1000 ) On / Off N.C. actuators
Mandatory
• Pipe no = 4 pipes
• CntrltTyp = On/Off
• Fan Menu = 0 (L-M-H)
• FL time = as per actuator
• SeqOpera = 4 Cool/Heat
4 pipe system cooling and heating ( VT7300C1000 & VT7305C1000 ) Floating actuators
Mandatory
• Pipe no = 4 pipes
• CntrltTyp = Floating
• Fan Menu = 0 (L-M-H)
• FL time = as per actuator
• SeqOpera = 4 Cool/Heat
4 pipe system cooling and heating ( VT7300F1000 & VT7305F1000 ) Analog actuators
Mandatory
• Pipe no = 4 pipes
• Fan Menu = 0 (L-M-H)
• RA/DA = as per actuator
• SeqOpera = 4 Cool/Heat
2 pipe system cooling or heating with reheat ( VT7300C1000 & VT7305C1000 ) Floating actuator
Mandatory
• Pipe no = 2 pipes
• CntrltTyp = Floating
• Fan Menu = 0 (L-M-H)
• FL time = as per actuator
• SeqOpera = 2 Cool/Reheat
• UI3 = COS
Normally Closed On/Off
Valve Cooling and Heating
Room Temperature
Control Thermostat
3 Speed fan
Modulating Floating
Valve Cooling and Heating
Room Temperature
Control Thermostat
3 Speed fan
24 V~ Com
24 V~ Hot
BO2 Close
Fan-L
Fan-M
Fan-H
High
Med
Low
24 Vac fan relays
Cooling Heating
BO4 Close
24 V~ Com
24 V~ Hot
BO1 Open
BO2 Close
Fan-L
Fan-M
Fan-H
High
Med
Low
24 Vac fan relays
Cooling Heating
BO3 Open
BO4 Close
Modulating Analog
Valve Cooling and Heating
Room Temperature
Control Thermostat
3 Speed fan
24 V~ Com
24 V~ Hot
AO1
AO2
Fan-L
Fan-M
Fan-H
High
Med
Low
24 Vac fan relays
Cooling Heating
0 t o 10
Vd c
0 t o 10
Vd c
Modulating Floating
Valve Cooling and/or Heating
Room Temperature
Control Thermostat
3 Speed fan
Electric
Reheat
Optional supply water
temperature sensor
UI3 COS
24 V~ Com
24 V~ Hot
BO1 Open
BO2 Close
Fan-L
Fan-M
Fan-H
High
Med
Low
24 Vac fan relays
BO5
BO5