12
GB
4.3.2. POWER SUPPLY
• 230V / 1+Earth / 50Hz power supply from a power supply
and protection device (not included) in accordance with
with the rules in force especially NFC 15-100 CEI 364.
• The voltage variation tolerance is + or - 10 % during
operation.
• The power cable must be fixed.
• Section of an air handler's power cable: 3G 1.5 mm
2.
• Current consumption of an air handler (with condensate
pump):
• Preparation of the cable (see sketch below).
• Connection to the air handler according to the indications
and diagrams below.
Air handler side
65
5
Max. current A
MW 2
0.25
MW 4
0.45
MW 3
0.25
MW 5
0.5
65
5
40
7
Air handler side
Thermostat side
4.3.3. CONTROL
• Connection of the thermostat to the
air handler by cable 6 x 0.75 mm
2
.
• The power cable must be fixed.
• Preparation of the cable (see sket-
ches opposite).
• Connections according to the indi-
cations and diagrams in § 4.3.5.
MW 2
MW 3
MW 4
MW 5
4.3.4. DETAIL OF THE ELECTRICAL CONNECTION OF THE AIR HANDLER
To have access to the terminal board:
• Remove the air handler's cover (see sketches below).
• Remove the terminal board access
door (see sketches below).
MW 2
MW 3
• Then prepare the wires and connect them to the
terminal board.
• Note : on certain devices, the terminals are of the
"cage with spring" type.
Follow the indications below to connect them.
- These terminals take the following wires:
- rigid
- flexible (avoid splicing the strands!)
- with ends
- A single conductor per securing point
- Make sure that the wires are correctly
connected to the terminal board. Incorrect
connection can cause operating problems as
well as overheating which can cause fires.
MW 4
MW 5
N
Ph
U
N
1
3
4
20
21
22
1
3
4
20
21
22
19
Thermostat
Protected supply
230 V / 1 + T / 50
H z
COOLING MODE
ONLY
Action on ventilation
Control cable
4.3.5 CONNECTION DIAGRAMS
• The wiring of the thermostat shown opposite corresponds
to control in cooling mode with action on the ventila-
tion (standard assembly).
Air handler
MW
Power supply
cable
