3 laying the 24 v cabling, 4 installing the cable duct, 5 assembly and installation – Glow-worm Envirosorb3 User Manual
Page 18
5 Assembly and installation
18
Installation instructions Envirosorb₃ 0020154078_03
5.4.3
Laying the 24 V cabling
X4
X9
EBUS
X7 FLOOR H
3
1
2
1 eBUS connection in the
heat pump (observe the
polarity)
2 Limit thermostat connec-
tion (underfloor protective
circuit)
3 eBUS connection in the
heat pump control module
1.
Feed the cable through the cable duct.
Envirosorb
3
5
Envirosorb
3
8
Envirosorb
3
11
Envirosorb
3
15
Recommended eBUS cable dimen-
sion
2 x 0.75 mm²
Recommended cable dimension for
eBUS + limit thermostat
4 x 0.75 mm²
2.
Connect the eBUS cable to the system controller.
3.
If you install a limit thermostat (e.g. 50 °C) in the heat-
ing circuit flow, remove the bridge from terminal (2) and
connect the limit thermostat to this terminal.
5.4.4
Installing the cable duct
Caution.
Risk of malfunction due to incorrect rout-
ing of the supply lines.
If you route the supply lines for the power
supply and the eBUS line through the same
cable duct, the signal will be disrupted.
▶
Route the supply lines for the power sup-
ply and the eBUS line through various
cable ducts in the product.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
ØA
ØA
1
2
1 eBUS line and limit ther-
mostat line cable duct
2 Power supply cable duct
1.
Measure the diameter of the cable.
2.
Drill a hole the same size as the cable diameter in the
cable duct.
3.
Route the cable through the cable duct.
4.
Tighten the cable duct with two open-end spanners.