34 - EN
6.3 How to gain access to the ComfoNet connectors on the unit
1
2
3
1
2 3
Disconnect the power to the unit.
Open the semi-transparent visor.
Pull the cable tray cover forwards.
1 = ComfoNet plug-in connection
2 = ComfoNet plug-in connection
3 = ComfoNet RJ45 connection
6.4 How to gain access to the main board
1
2
3
Disconnect the power to the unit.
Open the semi-transparent visor.
Remove the 3 front cover screws.
Remove the front cover.
4
5
6
Pull the cable tray cover forwards.
Remove any connected wire from the
ComfoConnect connectors.
Zehnder recommends noting
down the used colour code of
the wires before removal.
Remove the 2 display cover screws.
Open the display cover.
6.5 How to gain access to the main power fuse of the unit
1
2
3
Disconnect the power to the unit.
Open the semi-transparent visor.
Pull the cable tray cover forwards.
Remove the 6 screws of the cable tray.
Carefully lift up the cable tray.
