Danfoss FED-IF, FED-FF Data sheet [cs]
Data sheet |
FED sensors |
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Sequence control |
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Products |
of cooling and heating circuit |
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FED-IF: with integrated sensor |
FED-FF: with remote sensor |
The FED sensors are used in applications in which a cooling and a heating circuit are to be controlled by one controller.
Both FED-IF and FED-FF sensors can be applied to chilled ceilings, fancoils and induction units.
For control of cooling and heating circuits in fancoil and induction units use the FED-FF with remote sensor.
By placing the sensor in the air inlet a quicker reaction time of the air temperature changes is achieved. Using the remote sensor, the remote temperature adjuster can be placed directly on the cabinet.
Ordering and |
Type |
Code no. |
Sensor |
Capillary tube |
Setting range |
specifications |
FED-IF |
013G5463 |
Integrated sensor |
4 + 11 m |
17-27 °C |
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FED-FF |
013G5462 |
Remote sensor |
2 + 2 + 2 m |
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Application |
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Sequence control of chilled ceiling and radiator |
Sequence control of fancoils and induction units |
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Cooling circuit |
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Cooling circuit |
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RA-C |
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RA-C |
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FED-IF |
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FED-FF |
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Heating circuit/radiator |
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Heating circuit |
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RA-N |
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RA-C |
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RA-N |
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CD-ST |
VD.33.T1.02 |
© Danfoss 06/99 |
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1 |
Data sheet |
Climate controls: FED sensors |
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FED sensor design
Remote temperature adjuster
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Remote sensor |
Cooling |
(only FED-FF) |
adapter |
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Capillary reel |
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(only FED-IF) |
Actuator |
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Heating |
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adapter |
The FED sensors are applied with the RA-N and the RA-C valves.
The FED sensors are equipped with a reverse device for the control of cooling circuits. With the reverse device the valve in the cooling
circuit will open when the temperature rises above the setpoint temperature.
The valve in the heating circuit will open when the temperature falls below the setpoint temperature.
Temperature setting
Comfort temperature ~ 22 °C at Xp = 0 K
The FED sensors have been developed for room temperature control via water-based cooling and heating systems.
The FED sensors are based on the self-acting principle. The liquid-filled sensors control the
valves via capillaries and adapters.
The scale shows the approximate set-point offset from the comfort temperature which is approximately 22° C at Xp = 0 K.
2 |
VD.33.T1.02 © Danfoss 06/99 |
CD-ST
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