TF7039GB_A_NOT
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4.3.2.
POSITION OF THE MEDIA CONNECTIONS
Exhaust air connection
The unit has a pipe connection (DN 355 for Eco+ 111 and Eco+ 121 & DN560 for Eco+
131) in the exhaust air panel next to the main switch. The exhaust air from the collecting
pipe is fed into the unit via this connection.
Condensate drain
The condensate drain connection is located on the underside of
the unit in the floor panel.
Connector cover
All other connections are located under the connection cover in
the exhaust panel. To gain access to these connections, loosen
four screws on the cover (arrows) and remove the cover. The
following connections are located below it:
Main switch
for electrical connection
Multi-cable feed-through
for further cables such as temperature sensors. A pres-
sure measuring hose also discharges here.
Collecting point for protective equipotential bonding
for connection with ground
wire
Heating water connections
for flow and return (labelled)