13
MACHINE INSTALLATION
ELECTRICAL CONNECTIONS
General electrical characteristics
•
The customer must provide a separate power line for the conditioner fitted with an automatic safety device (
heavy-
duty circuit breaker
) upline from the line.
•
Make sure that the power line voltage matches that indicated on the rating plate.
•
The power line of all the models must be fitted with a suitably sized earth connector.
•
The lines powering the fixed loads of the unit (
compressor, fans, etc.
) have been sized according to current legisla-
tion governing overload and short circuit protection.
•
The conductors from the power supply running directly to the input terminals of the general switch must be connec-
ted (
consult the wiring diagrams supplied with the unit
).
•
The electrical panels are fitted with a marked terminal for connecting the earth wire.
Electrical connections
To allow the conditioner to start, make the electrical connections as shown in the wiring diagrams supplied with the unit.
The two units must be connected to an efficient earth circuit.
The maker declines all liability if this precaution is ignored.
N.B.: When working on the electrical system, refer to the wiring diagrams supplied with the unit. For connec-
tions to the power and control circuits, comply with the specifications shown in the following tables.
Recommended cable H05RN-F or as installed. See specific legislation.
The customer must install the automatic circuit breaker.
ELECTRICAL CONNECTIONS
MODEL
SPECIFICATIONS
UM
7000
9000
12000
18000
24000
Power input
230/1/50
Automatic circuit breaker
IG
A
/
/
/
/
>6k
Cross-section of cable
A
mm
2
1.5
1.5
2.5
2.5
2.5
B
mm
2
1.5
1.5
1.5
1.5
1.5
COL
mm
2
1.5
1.5
1.5
1.5
1.5
Length of supplied cable
m
1.5
1.5
1.5
2
2
2
N
3
1
2
3
1
N
A
B
A
COL
A
COL
A
B
3
N
N
L
2
2
1
1
N
3
COL
YELLOW
RED
YELLOW
RED
YELLOW
RED
1
N
L
1
3
2
N
N
IG
N
L
L
L
B
A
B
Mod. 7000-9000-12000
Mod. 24000
Mod. 18000
OUTDOOR UNIT
TERMINAL BOARD
INDOOR UNIT
TERMINAL BOARD
OUTDOOR UNIT
TERMINAL BOARD
INDOOR UNIT
TERMINAL BOARD
OUTDOOR UNIT
TERMINAL BOARD
INDOOR UNIT
TERMINAL BOARD
POWER INPUT
230-1-50Hz
H05VV-F
PRESENT IN
INDOOR UNIT
ALIM.
230-1-50Hz
ALIM.
230-1-50Hz
OUTDOOR
TEMP. SENSOR
OUTDOOR
TEMP. SENSOR