Viconics VT7300 Installation Manual (Previous Release 5000 Uživatelský manuál stáhnout pdf (Strana 6)

Typical applications

Schematic Wiring Settings

2 pipe system cooling and/or heating: VT7300A5x00(x), 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

2 pipe system cooling and/or heating: VT7300C5x00(x) & VT7305C5x00(x) Floating actuator

Mandatory

• Pipe no = 2 pipes

• CntrltTyp = Floating

• 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

2 pipe system cooling and/or heating: VT7300F5x00(x) & VT7305F5x00(x) Analog actuator

Mandatory

• Pipe no = 2 pipes

• Fan Menu = 0 (L-M-H)

• RA/DA = 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

0 to 10

Vdc

UI3 COS

0 V~ Com

24 V~ Hot

AO1

Optional supply water

temperature sensor

Fan-L

Fan-M

Fan-H

High

Med

Low

24 Vac fan relays

Modulating Analog

Valve Cooling and/or Heating

Room Temperature

Control Thermostat

3 Speed fan

Modulating Floating

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

BO1 Open

BO2 Close

Fan-L

Fan-M

Fan-H

High

Med

Low

24 Vac fan relays

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

1 2 3 4 5 6 7 8 9 10 11 ... 16 17

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