To turn the coil, proceed as follows:
Fig. 20
1. Disconnect the terminal block (6) from the side of the unit.
2. Remove the condensate collecting tray (2).
3. Remove the coil fixing screws (5).
4. Take out the coil (3), being careful not to be cut by the fins and not to damage them.
5. Remove the knockouts (1) on the opposite side of the unit (using a screwdriver) to allow the coil connections to
pass through.
6. Position the coil, turning it without tipping it upside down, so that the fittings are in line with the holes left by the
knockouts.
7. Fix the coil using the previously removed screws (5).
8. Shift the terminal block (fixing it to the side opposite the water fittings) and the motor cables, fixing them with their
clamps. Ensure that the cables pass through the hole in the side of the unit, protecting them with the relative
grommet. If it proves easier to carry out this operation by separating the wires from the terminal blocks, mark the
positions of the wires to avoid making mistakes when reconnecting.
9. Reconnect the wires to the relative terminal blocks (6), taking care that they are correctly positioned.
10. Replace the condensate collecting tray (2).
1
34 5 6 3
2
TURNING THE COIL
CAUTION
The fan wheels may reach the speed of 1,000 rpm. Do not insert
objects into the electric fan and certainly not hands. The motor
becomes hot during operation; wait for it to cool before touching it.
During the heating mode of operation the exchanger and the
connecting pipes may become very hot (80°C). Wait for the exchanger
to cool before touching it or protect hands with suitable gloves.
The heat exchange water coils are suitable for working up to
a maximum pressure of 8 bar.
!
0°
60°
Fig. 19
P=8
bar max
0°
60°
INSTALLATION - OPERATING & MAINTENANCE MANUAL
Page 14
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