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3.4.4
Connecting an external time switch
Assigning the time switch signal
Basic unit 24 V
with pump module
Time switch with two switching signals – A or B.
CAUTION!
Risk of damage due to incompatible time switches
The connection of an unsuitable time switch may result in
malfunction and cause damage to the control.
– Only connect time switches with floating contact.
Loosen the fixing screws and remove the cover of the casing.
Break off the pre-cut cable inlet in the area of the connection ter-
minal at the bottom of the casing.
Insert the strain relief device provided by the customer.
Bare the leads of the cable over a length of 10 mm or use cable
sleeves, and connect them pursuant to the terminal diagram.
Close the casing cover.
Connect the switching signal A or B with the timer signal (lowering
channel) of a room thermostat.
Loosen the fixing screws and remove the cover of the casing.
Break off the pre-cut cable inlet in the area of the connection ter-
minal at the bottom of the casing.
Insert the strain relief device provided by the customer.
Bare the leads of the cable over a length of 10 mm or use cable
sleeves, and connect them pursuant to the terminal diagram.
Close the casing cover.
Handling
15 from 17
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