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4: Connections For Heating & Cooling; 5: Power Supply; 6: Wiring Diagram; 7: External Antenna - Danfoss Link HC Installationsanleitung

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Installation Guide
Connections
4: Connections for Heating & Cooling
When the system is in cooling mode the actuator output will be activated (ON for NC
actuators / OFF for NO actuators) when the temperature in a room exceeds the set point .
When the system is in cooling mode an independent dew-point alarm function should be installed .
1 . Connect an external ON/OFF switch to the
terminals for Heating & Cooling . When this
switch is closed (ON) the system will switch
from heating to cooling .

5: Power supply

When all actuators, pump and boiler controls and other inputs are installed, connect
the supply plug to a 230 V power supply .
If the power supply plug is removed during installation, make sure that the connection is made ac-
cording to existing law/legislation .

6: Wiring diagram

Input
Away
Heating / Cooling
max. 3 m
External
antenna
7: External antenne
The external antenna is installed as diverter when there is no transmission possible through a large
building, heavy construction or metal barrier, e .g . if the Danfoss Link™ HC is located in a metal cabinet/
box
1 . Remove the plastic cover from the antenna con-
nection .
Danfoss Link™ HC
2 . Fix the cable .
Relays
1
2
3
L N
L N
2 . Connect the external antenna and place it on the
VIFZL15X
© Danfoss
Actuator outputs
4
5
6
7
8
other side of the transmission barrier .
08/2010
9
10
230 V~
50 Hz
7
GB

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