40
Fläkt Woods
8666 GB 2010.06
Specifications are subject to alteration without notice
Installation and maintenance instructions
Control equipment
Function
Terminal block Connection Comment
Cooling
Cooling actuator Y – M
Control signal to the valve actuator 0-10 V
G – G0
Power supply: 24 VAC*
Cooling
NO – C
Operation of the circ. pump/DX cooling step 1 (Potential free)
Start
L - N
Power supply: 230VAC, max. 2 A
Start DX-2
NO - C
DX cooling step 2 (Potential free max. 2 A)
Alarm CP2/DX
Alarm from circulation pump or DX cooling NO (changeable)
3-phase pump
(Pump group)
L1-L2-L3
Power supply for 3-phase pump from contactor.
Heating
Heating actuator Y – M
Control signal to the valve actuator and electric heater. 0-10V
G – G0
Power supply: 24 VAC*
Heating
NO – C
Operation of the circ. pump/electric heater. (Potential free)
L – N
Power supply: 230VAC, max 2 A
Alarm CP1/GT7
Alarm from the circ. pump or thermal overload protection in
the electric heater. NC (changeable)
3-phase pump
(Pump group)
L1-L2-L3
Power supply for 3-phase pump from contactor.
Heat exchanger
Control HEX
Y-M
Control signal to heat exchanger 0-10 V
G-G0
Power supply 24 VAC*
Alarm HEX
Alarm from heat exchanger
START VVX
NC - NO - C
Operation of heat exchanger circ. pump
Frost prot. sensor
GT5
Type PT1000
Supply air sensor
GT1
Type PT1000.
To be mount.at least 1500 mm from poss. duct air heater
Room sensor
GT2
Type PT1000
Extract air sensor
GT12
Type PT1000
Z input
Z
Y – M
Factory fitted option GT10:/GT11 (Type PT1000),
Setpoint offset (0 - 10 V or Ohm), heat exchanger pressure
monitor (NO)
G – G0
Power supply: 24 VAC*
Outdoor air sensor
GT3
Factory fitted option or facade sensor type PT1000
Supply air
GP5
Y – M
Measurement signal: 0-10V
pressure sensor
G – G0
Power supply: 24 VAC*
Pressure sensor
Y – M
Measurement signal: 0-10V 0-10V
extract air, CO
2
sensor
G – G0
Power supply: 24 VAC*
Fire alarm
Fire
Supplied as NC, but this can be changed on the display.
External stop
Stop
For example, fire damper exercising. NC (changeable)
Timer
SU1
Low speed NO
SU2
High speed NO
AUX input
Aux1
Filter alarm. NO. Common supply air and extract air
Aux2
Flow alarm. NO. Flow monitors NC.
Alarm output
A-alarm
NO – C – NC
Potential free, max. 2 A
B-alarm
NO – C – NC
Potential free, max. 2 A
Bus
Modbus RTU
Ref + –
Connection, Bus communication for Modbus RTU
Extension I/O
+, –
Connecting external IO expansion module
KNX
KNX+, KNX–
Connection to processbus (Zone control and extra fans)
Damper actuators
ST3
Y – M
Mixing damper control signal
MIX, DMP
G – GO
Power supply
24VAC
~
– OV
External component power supply 24 VAC
24VDC
+, –
External component power supply 24 VDC
Lighting control
Light Control
L – N – PE
Input for external lighting control (not power supply)
Preheater
Extension I/O
+, –
Connecting bus communication to preheater
Connecting external components in the control panel
*
NOTE!
Separate wires should be routed for these to avoid potential difference between the supply neutral and
the measurement/control neutral.
Summary of Contents for eq Controls
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