Lennox KVCK 100D, Installation, Operation & Maintenance Manual

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31
Printed circuit
board
Electrical
box
1
2
3
Power supply.
Electrical connection between outdoor units.
Indoor motor fan electrical connection.
Thermostat
connection
Thermostat
connection
Printed circuit
board
Electrical box
PE L1 L2 L3 N
X1
3N ~ 400V - 50 Hz + PE
PE L1 L2
X1
L3
3 ~ 230V - 50 Hz + PE
UNIT
MODEL
POWER SUPPLY
230V THREE-PHASE UNITS
Power supply
WITHOUT
electrical heater.
Power supply
WITH electrical
heater.
Nr. OF CABLES x SECTION (mm )
2
1 1
28E
24E
32E
22E
38E
48D
44D
56D
76D
64D
2
Electrical connection
between outdoor units.
3
Indoor motor
fan electrical
connection.
86D
COOLING HEATING
100D
1 1
28E
24E
32E
22E
38E
48D
44D
56D
76D
64D
2
3
86D
100D
Electrical connection
between outdoor units.
Indoor motor
fan electrical
connection.
UNIT
MODEL
POWER SUPPLY
400V THREE-PHASE UNITS
Power supply
WITHOUT
electrical heater.
Power supply
WITH electrical
heater.
Nr. OF CABLES x SECTION (mm )
2
COOLING HEATING
4 x 1,5
4 x 1,5
4 x 1,5
4 x 1,5
4 x 1,5
4 x 2,5
4 x 2,5
4 x 2,5
4 x 2,5
4 x 2,5
4 x 95
4 x 2,5
4 x 16
10 x 1
4 x 2,5
4 x 2,5
4 x 16
14 x 1
4 x 95
4 x 2,5
4 x 2,5
8 x 6
16 x 1
4 x 2,5
8 x 6
20 x 1
4 x 25
4 x 25
4 x 35
4 x 35
4 x 70
4 x 70
4 x 70
4 x 95
4 x 95
4 x 25
4 x10
4 x 10
4 x 10
4 x 16
4 x 16
4 x 25
4 x 25
4 x 35
4 x 50
4 x 50
4 x 1,5
4 x 1,5
4 x 1,5
4 x 1,5
4 x 1,5
4 x 2,5
4 x 2,5
4 x 2,5
4 x 2,5
4 x 2,5
5 x 35 5 x 50
5 x 70
4 x 2,5
4 x 6
10 x 1
4 x 2,5
4 x 2,5
4 x 6
14 x 1
5 x 50
4 x 2,5
4 x 2,5
8 x 4
16 x 1
4 x 2,5
8 x 4
20 x 1
5 x 10
5 x 10
5 x 16
5 x 16
5 x 25
5 x 25
5 x 35
5 x 35
5 x 50
5 x 10
5 x 4
5 x 4
5 x 6
5 x 6
5 x 10
5 x 10
5 x 10
5 x 16
5 x 25
5 x 25
4 x 120
4 x 150
- 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.
- Connect the power supply cables to the terminals in the electric box through the 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
.
FOR UNITS MODELS:
22E-24E-28E-32E-38E
44D-48D-56D-64D-76D
86D-100D
INDOOR
SECTION
OUTDOOR
SECTION
MASTER
OUTDOOR SECTION
SLAVE
OUTDOOR SECTION
INDOOR
SECTION
2.- INSTALLATION
2.8.- ELECTRICAL CONNECTION
1
1
3
2
3