8
For details of indoor and outdoor unit wiring, see the diagram
supplied inside the units. Start the unit and check operation both
in cooling and heating mode.
Installing the "diffuser-grille" assembly
• Mounting
- Remove the return air grill by springing the 4 mounting clips
and 2 hinges (fig. 1, ref. a).
- Remove the air filter (fig. 2 & 3).
- Put the grill in place under the cassette chassis (fig. 4).
- Connect the panel heater wires.
- Fit the casing and grille together using the screws (fig. 5, ref. b).
- Put the filter (fig. 6) and the return air grille (fig. 6 & 7) back in
place.
8 - Wiring diagram
9 - Front panel installation
1
N
E
2
1
N
E
A
2
Power supply
220V/1Ph/50Hz
Cooling only units - MKC
1
N
E
2
1
N
E
A
2
3
3
Power supply
220V/1Ph/50Hz
Heat pump units - MKH
Outdoor unit
Indoor unit
Outdoor unit
Indoor unit
Fig. 5
Fig. 4
Fig. 3
Fig. 2
Fig. 1
b
b
b
b
a
a
a
a
Wiring sizes
Unit size
12
18
25
Power supply
mm
2
3 x 2.5
3 x 4
Interconnection
Cool. mm
2
3 x 2.5 + ground
3 x 1.5 + ground
( I n d o o r / O u t d o o r )
Heat. mm
2
4 x 2.5 + ground
4 x 1.5 + ground
Fuse (Slow-blow)
A
10
16
20
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