Viconics VT7300 Installation Manual (Current Release 5000 Series PIR Ready) - Manual (Page 8)

8 | PIR Ready VT7300 Series-Installation Guide
Floating control
VT7300C5x00(x), VT7305C5x00(x), VT7350C5x00(x) & VT7355C5x00(x)
Analog control
VT7300F5x00(x), VT7305F5x00(x), VT7350F5x00(x) & VT7355F5x00(x)
Typical applications
Schematic Wiring Settings
2 pipe system cooling and/or heating: VT7300C5x00(x) & VT7305C5x00(x)
On / Off N.C. actuator
Mandatory

Pipe no = 2 pipes

CntrltTyp = On/Off

Fan Menu = 0 (L-M-H)

FL time = as per
actuator
If cooling only set::

SeqOpera = 0 Cooling
only
If heating only set::

SeqOpera = 1 Heating
only
If heat / cool auto-
changeover with a local
water temperature sensor
set:

SeqOpera = 0
Cooling only

UI3 = COS
Open
Com
Close
Heating / Cooling valve
24 V~ Hot
24 V~ Com
BO1
BO2
Open
Com
Close
Heating valve
Open
Com
Close
Cooling valve
24 V~ Hot
24 V~ Com
BO3
BO4
BO1
BO2
Heating / Cooling valve
Com
24 VAC
0-10 VDC
24 V~ Hot
24 V~ Com
AO 1
24 V~ Hot
24 V~ Com
AO 2
AO 1
Com
24 VAC
0-10 VDC
Heating valve
Cooling valve
Com
24 VAC
0-10 VDC
Normally Closed On/Off
Valve Cooling and/or Heating
Room Temperature
Control Thermostat
3 Speed fan
Optional supply water
temperature sensor
UI3 COS
24 V~ Com
24 V~ Hot
BO2 N.C.
Fan-L
Fan-M
Fan-H
High
Med
Low
24 VAC fan relays