Thermia ATEC Installation Guide

1
2
3
5 O K!
4
Fig. 5: Connecting power cable to terminal block.
1. Insert the screwdriver.
2. Straighten the screwdriver.
3. Push the screwdriver down to release the cable lock.
4. Insert the cable and hold it in place.
5. Pull the screwdriver out.
6. Check that the cable is secured by carefully pulling on the ca-
ble.
5.5 Connecting the outdoor sensor (5)
The outdoor sensor is connected by a two core cable. A maximum cable length of 50 m applies for a cross section of 0.75 mm
2
.
For greater lengths a cross section of 1.5 mm
2
is used, up to a maximum of 120 m. Then connect the sensor to the heat pump (outdoors)
or the heat pump's control unit (indoors).
com
305
-B25
50
5
Fig. 6: Connect to the heat pump (outdoor)
118.5
com
-B25
50
40
Fig. 7: Connect to the control unit (indoor)
5.6 Connecting supply and return pipe sensors
Atec Standard - no sensors connected upon delivery.
Atec Plus - supply line sensor connected upon delivery.
Atec Total - both sensors connected upon delivery.
com
110
-B8
51
Fig. 8: Connect supply line sensor
com
111
-B9
52
Fig. 9: Connect return line sensor
5.7 Connecting supply line sensor distribution circuit 1
com
118.3
-B24
108
Fig. 10: Connect supply line sensor distribution circuit 1
Installation Guide Atec
VMBQY102 Thermia Värmepumpar
26

Thermia ATEC Specifications

General

Brand	Thermia
Model	ATEC
Category	Heat Pump
Language	English