Lennox AIRCOOLAIR ASC Series - Electrical Connections

• 51 •
OS
HR/T
AS
AS
HR/T
DPT
DIFS
RS
3
BAC
2
DADS
LDRP
CO2
RS
HR/T
6
5
4
PT1
PT2
1
OS
AS
DS N/A
OS
AS
N/A
RS
RS HR/T
CO2
DPT
OS HR/T
AS HRT
DIFS
LDRP
DADS
BAC
Application Guide • AIRCOOLAIR-AGU-1603-E
ELECTRICAL CONNECTIONS
- 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 suppied with the unit.
Note: The length of all cables for connection with indoor
unit must be less than 65 m.
To be connected by installer
OUTDOOR SECTION
Electrical box
VOLTAGE OPERATING LIMITS: 342-462V
CONNECTION OF CONTROL ELEMENTS:
COMPONENT Split unit
Condensing unit
Discharge sensor
STANDARD
2 x 1 mm² (shielded)
Outdoor sensor STANDARD
Remote ambient sensor
Remote duct sensor
OPTION
Duct remote sensor for enthalpic free-cooling 5 x 1 mm² (shielded)
CO2 Air quality probe. (Available only with
enthalpic free-cooling)
4 x 1 mm² (shielded)
Air differential pressure transducer 3 x 1 mm² (shielded)
Outdoor sensor for enthalpic free-cooling 5 x 1 mm² (shielded)
Remote ambient sensor for enthalpic free-
cooling
5 x 1 mm² (shielded)
Dirty fi lter sensor 2 x 1,5 mm²
Long distance connection
3 x 1,5 mm² (1 circuit units)
2 x (3 x 1,5 mm²) (2 circuits units)
Smoke detector 7 x 1,5 mm²
Hot water coil 5 x 1,5 mm²
INDOOR SECTION