Electrical Connections - Lennox CMC 020S Installation, Operating And Maintenance Manual

2.- INSTALLATION

2.7.- ELECTRICAL CONNECTIONS

- BEFORE MAKING ANY ELECTRICAL CONNECTIONS, ENSURE THAT ALL CIRCUIT BREAKERS ARE OPEN.
- IN ORDER TO MAKE THE ELECTRICAL CONNECTIONS, FOLLOW THE ELECTRICAL DIAGRAM SUPPLIED WITH THE UNIT.
POWER SUPPY
020S
025S
030S
035S
040S
045D
055D
070D
085D
100D
CONNECTION OF CONTROL ELEMENTS:
DS
OS
AS
RS
RS HR/T
CO2
DPT
OS HR/T
AS HRT
LDRP
DADS
BAC
VOLTAGE OPERATING LIMITS: 342-462V
RS
HR/T RS
POWER SUPPLY
POWER SUPPLY
WITH E.H.
1
5G x 4mm² 5G x 16mm²
4G x 6mm² 4G x 16mm²
3 x 35mm²
4G x 10mm²
1 x 16mm²
3 x 50mm²
4G x 16mm²
1 x 25mm²
3 x 25mm² 3 x 70mm²
1 x 16mm² 1 x 35mm²
3 x 50mm² 3 x 95mm²
1 x 25mm² 1 x 50mm²
COMPONENT
Discharge sensor
Outdoor sensor
Remote ambient sensor
Remote duct sensor
Duct remote sensor for enthalpic free-cooling
CO2 Air quality probe. (Available only with enthalpic free-cooling)
Air differential pressure transducer
Outdoor sensor for enthalpic free-cooling
Remote ambient sensor for enthalpic free-cooling
Long distance connection
Smoke detector
Hot water coil
POWER SUPPLY
5
4
6
1´
6G x 1,5mm²
21
DADS
BAC
DPT /DIFS
Cuadro
eléctrico
PT1
PT2
1
EXHAUST FAN RETURN FAN
5 6
N/A
4G x 1,5mm²
4G x 1,5mm²
4G x 2,5mm²
STANDARD 2 x 1 mm² (shielded)
STANDARD 2 x 1 mm² (shielded)
STANDARD 2 x 1 mm² (shielded)
OPTION 2 x 1 mm² (shielded)
OPTION 6 x 1 mm² (shielded)
OPTION 4 x 1 mm² (shielded)
OPTION 3x 1 mm² (shielded)
OPTION 5 x 1 mm² (shielded)
OPTION 6 x 1 mm² (shielded)
OPTION
7 x 1,5 mm²
OPTION
5 x 1,5 mm²
OPTION
4 x 1,5 mm²
DS
LDRP
AS
OS
OS
HR/T