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7.2.2 Changing the direction of air flow
The direction of air flow of the device can be changed by revers-
ing the fan.
Performance characteristics such as air circuit and sound propa-
gation changed by the conversion must be considered during
system planning. The specifications for the air intake and air ex-
tract opening in this manual remain unchanged.
ATTENTION!
Before opening the device, ensure that all circuits are isolated from the
power supply.
ATTENTION!
Work on the heat pump may only be carried out by authorised and
qualified after-sales service technicians.
To do this:
1)
Remove the front and left panels from the bottom to the top.
2)
Open the fan terminal box and disconnect the supply cable.
5.
3)
Pull the supply cable through the terminal box, nozzle panel
and condensate drain.
4)
Loosen the nut and washers on the four corners of the fan.
5)
Pull the fan one nozzle length into the device and pull it out
through the front of the device. Protect evaporators from
damage.
6)
Remove the sealing plugs from the rear condensate tray
cable gland and insert them into the front screw joints.
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3.
3.
3.
4.
4x
452161.66.02 · FD 9203
7.
9.
7)
Insert the fan back into the device from the left and onto the
screws at the back. Check the position of the cable entry.
Protect evaporators from damage.
8)
Tighten the washers and nuts on the fan at the four corners.
9)
Feed the cable through the condensate tray, nozzle panel,
terminal box and screw connection. The cable may not con-
tact the hot gas line in the device.
10) Connect the cable as previously in the terminal box of the
fan (see the circuit diagram in the appendix for connection
information, ensure that there is a clockwise rotating field.
11) Screw on the front panels.
LI 9TES
4x
8.
9.
EN-6
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