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5.7.1
Connecting mains power to the CM
1.
Attach the connector of one 230 V AC power supply cable (Fig. 5.8, pos. 13) or one 24 V DC SELV
power supply cable (Fig. 5.8, pos. 11).
5.7.2
Connecting cables between CM and VMs
1.
Remove the white plastic protective cap from each VM. This will make the VM-PCB accessible.
2.
Connect one end of the ComfoNet RJ45 cable to the RJ45 socket (Fig. 5.8, pos. 10) of the CM.
Connect the other end of this ComfoNet-RJ45 cable to a ComfoNet-RJ45 socket (Fig. 5.10, pos. 3) of
the first VM (Fig. 5.9, pos. 1).
3.
Attach a second ComfoNet RJ45 cable to a free ComfoNet RJ45 socket (Fig. 5.10, pos. 3) on the first
VM and on a free ComfoNet RJ45 socket (Fig. 5.10, pos. 3) on the second VM (Fig. 5.10, pos. 1).
4.
Replace the protective covers of the VMs.
Fig. 5.9 – RJ45 sockets VM-PCB
Pos.
Connection
1
VM
2
ComfoNet-RJ45 cable
3
ComfoNet-RJ45 socket (2x)
5.7.3
Connecting optional control components to the CM
The CM can control two VMs.
When the VM is switched on, the built-in motor is audible, as the built-in valve is first calibrated. This takes
about a minute.
Refer to the manual of the controlling component for the relevant settings.
1.
Connect the wiring of the existing controlling components to the CM.
10001124369-0123-zw-zw-A4 ComfoVar Aero Installer_Service Zehnder-General_BOOK_2.indb 53
10001124369-0123-zw-zw-A4 ComfoVar Aero Installer_Service Zehnder-General_BOOK_2.indb 53
1
2
3
Fig. 5.10 – RJ45 sockets VM-PCB
There are two ComfoNet RJ45
sockets on each VM. These two
ComfoNet RJ45 connections
function identically, so connection
errors are excluded.
1
2
3
EN - 53
24-01-2023 11:11
24-01-2023 11:11
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