Connecting the air
ducts
44
NOTICE
Danger from dust!
Moisture, dirt or dust entering the duct system may damage the unit.
• Protect ducts and connections until the house is cleaned and ready for occupancy.
ü All four ducts are fully provided with at least 50 mm insulation (for installations in heated
rooms) or 100 mm insulation (for installations in the attic/ in low temperature
surroundings).
1. Before connecting the air ducts, observe which inputs and outputs are available in
operating mode A or operating mode B.
A
Fig. 51: Observing the connections
2. Connect the air ducts to the desired duct connections on the unit, either on the top
(standard) or on the side or bottom (optional). Ensure that the diameter of the air ducts is
equal or larger than the one of the unit connection. For information on the dimensions,
please refer to the section "Technical data".
Fig. 52: Connecting the air ducts
INSTALLATION AND SERVICE MANUAL FOR PROFESSIONALS
B
Installation: Assembly