ECOLITE LHG7EF (for R744)

Last revision of the diagram:

15.04.2026

Abbr.	Component
B02	Discharge gas temperature sensor
B10	High pressure switch
B18	Gas cooler outlet temperature sensor
B20	Suction gas temperature sensor
B22	Ambient temperature sensor
B30	Oil level switch
B34	Liquid level switch
B43	Sensor of oil level controller
B50	High pressure transmitter
B51	Low pressure transmitter
B58	Intermediate pressure transmitter
C11	Run capacitor for fan 1
C12	Run capacitor for fan 2
C13	Run capacitor for fan 3
C14	Run capacitor for fan 4
E01	Oil heater
F01	Main fuse
F03	Control circuit fuse
F05	Fuse of oil heater
K03	Compressor module
K06	Fan(s) control module
K12	Auxiliary relay
K19	Auxiliary relay: safety chain enabled
K21	Extension board
M01	Compressor motor
M02	Additional fan
M03	Fan 1
M04	Fan 2
M20	SV for liquid line
M22	High pressure control valve
M41	SV for oil return
M50	Additional fan 2
M51	Fan 3
M52	Fan 4
P10	Light: collective fault
Q01	Main switch
S07	External release
S11	Door switch
T01	Control transformer (example for 230 V, required according to EN60204-1)
T02	Frequency inverter (FI)
T07	Power supply device for auxiliary voltage
T10	Valve control device
T11	Backup voltage supply

The cable colours are noted in accordance with IEC DIN60757.

Technical documents for further information: