Electrical Connections - Lennox FLATA IR FLC Installation And Operating Manual

2.- INSTALLATION
2.7.- ELECTRICAL CONNECTION
- BEFORE MAKING ANY ELECTRICAL CONNECTIONS, BE SURE THAT ALL CIRCUIT BREAKERS ARE
OPEN.
- IN ORDER TO CARRY OUT THE ELECTRICAL CONNECTIONS, FOLLOW THE ELECTRICAL DIAGRAM
SUPPLIED WITH THE UNIT.
Power supply WITHOUT electric Coil.
1
2
Power supply WITH electric Coil.
3
Connection to the Control Panel.
POWER SUPPLY
230V SINGLE PHASE UNITS
PE N L
X1
1N ~ 230V - 50 Hz + PE
POWER SUPPLY
230V THREE-PHASE UNITS
PE L1 L2 L3
3 ~ 230V - 50 Hz + PE
POWER SUPPLY
400V THREE-PHASE UNITS
PE L1 L2 L3 N
3N ~ 400V - 50 Hz + PE
- Connect the power supply cables to the terminals in the electric box through the rubber grommet.
- The sections have been calculated for a length no longer than 50m and a voltage drop of 10V.
Do not start the unit if the drop is greater than this.
- The wiring and circuit breakers to be mounted in the installation must comply with the Regulations in force.
- Ground wires must be properly connected and have a greater length than the phase wires.
Section
UNIT
MODEL
1
10
UNIT
1
MODEL
10
12
X1
16
22
24
28
30
UNIT
MODEL
10
X1
12
16
22
24
28
30
Outdoor
Indoor
Section
N o . O F C A B L E S x S E C T I O N ( m m )
Power supply Power supply
without electric with electric
2
heater
3 x 4 3 x 16
N o . O F C A B L E S x S E C T I O N ( m m )
Power supply Power supply
2
without electric with electric
heater
4 x 4 4 x 10
4 x 4 4 x 10
4 x 16
4 x 6
4 x 10 4 x 16
4 x 10 4 x 25
4 x 25
4 x 10
4 x 16
4 x 25
N o . O F C A B L E S x S E C T I O N ( m m )
Power supply Power supply
without electric 2 with electric
1
heater
5 x 2,5 5 x 4
5 x 2,5 5 x 4
5 x 6
5 x 4
5 x 4
5 x 10
5 x 4 5 x 10
5 x 4 5 x 10
5 x 6
5 x 10
22
Electric
Electronic
Box
Card
Control
Panel
3
1 or 2
2
3
heater
Shielded Cable
2 x 1
2
3
Shielded Cable
heater
2 x 1
2 x 1
2 x 1
2 x 1
2 x 1
2 x 1
2 x 1
2
3
heater
Shielded Cable
2 x 1
2 x 1
2 x 1
2 x 1
2 x 1
2 x 1
2 x 1