11
GB
°
C
20
15
30
25
3
1
2
5
1
2
6
4
3
7
4.2.2 INSTALLATION WITH HORIZONTAL
CONNECTIONS
Insulation
Condensate
pipe
Pipes
4.2.3 INSULATION OF PIPES
• The insulation concerns the water return and inlet pipes.
• Use polyethylene sheathing at least 6 mm thick.
• After connecting the pipes and checking for leaks, put the insulating sleeves on the
fittings and force them against the cassette in order to prevent condensation.
Note : This operation must be done carefully to avoid any risk of condensation.
Insulation
• Before fitting the unit on the support plate, connect the
condensate discharge pipe and the connecting pipes and
connect them using adhesive tape.
• Install them in the custom-made housing. Leave the ins-
tallation clear along the front.
MW 2
MW 3
MW 4
MW 5
Purge screw
• Then act on the purge screw.
4.2.4 PURGING THE AIR HANDLER'S WATER CIRCUIT
• Done by means of a purge screw located on the water coil's header.
• To have access to the screw, remove the air handler's cover.
(*) To be fitted only for a unit operating in cooling and in heating.
1
- Power supply and protection device
(not supplied)
2
- Power cable
(not supplied)
3
- Thermostat
4
- Control cable
(not supplied)
5
- Cooling/heating change-over contact
(not supplied - integrated in MH)
6
- Cooling/heating change-over control
cable
(not supplied)
7
- Air handler
4.3 ELECTRICAL CONNECTIONS
4.3.1. PRINCIPLE
• Control by action on ventilation.
Electrical cables
(if applicable)
(*)
