Electrical Connections - Gewiss GW 20 852 Installationsanleitung

INSTALLATION INSTRUCTIONS
E L E C T R I C A L C O N N E C T I O N S
Important: The installation and electrical connecting of the devices and appliances
must be undertaken by qualified personnel and in accordance with standards and
regulations in force at the time. The manufacture declines to accept any responsibility
concerning the use of the products in accordance with particular environmental or
installation regulations, as this responsibility rests entirely with the installer.
Warning: Prior to installing the product, ensure the mains electrical supply is
disconnected.
With the mains power supply disconnected:
Connect the power supply cables to terminals N° 4 (Line) and N° 5 (Neutral).
Connect the wires of the device to be controlled to terminals: n° 1 = common
With strong inductive loads (pumps and solenoid valves) it is recommended that an
RC filter is connected in parallel to the load.
Remote selection of "Comfort" or "Reduced" temperature
Whenever it is desired to utilise the remote selection of "Comfort" or "Reduced" tem-
perature, connect the external contact to terminals N° 6 and N° 7 of the thermostat.
"Comfort" temperature = external contact open
"Reduced" temperature = external contact closed
Selection of "Reduced" temperature results in a 4°C reduction with respect to the set
temperature.
Open
Contact
Comfort
Ambient
temperature
22:00h
Closed
Open
Comfort
Reduced
06.00h
14
n° 2 = norm. open
n° 3 = norm. closed