ECOLINE+ with CM-RC-02, direct-on-line start

Compressor for R744 with LSPM motor in star direct-on-line start and with differential oil pressure monitoring DP-2
Compressor for R744 with LSPM motor in star direct-on-line start and with differential oil pressure monitoring DP-2

Last revision of the diagram:

27.02.2024

Abbr.

Component

B02

Discharge gas / oil temperature sensor

B03 .. 08

Temperature sensors in motor windings

B10

High pressure switch

B11

Low pressure switch

B12

Differential oil pressure switch

B20

Suction gas temperature sensor

B21

Optional temperature sensor

B30

Oil level switch

B43

Sensor of oil level controller

B50

High pressure transmitter

B51

Low pressure transmitter

B57

Optional pressure transmitter

B60

Overload protective device

B61

Overload protective device for second part winding

E01

Oil heater

F01

Main fuse

F02

Compressor fuse

F03

Control circuit fuse

F04

Fuse of compressor protection device or compressor module

F05

Fuse of oil heater

F13

Device-internal fuse

K01

Superior controller

K03

Compressor module

K13

Star-delta switching relay

K18

Auxiliary relay: FI outputs power voltage/rotating field for motor

K19

Auxiliary relay: safety chain enabled

K21

Extension board

M01

Compressor motor

M02

Additional fan

M05

SV for liquid injection with LI, RI or CIC injection valve

M11

SV for capacity regulator 1, CR1, CR+, CRII-2 or start unloading

M12

SV for capacity regulator 2, CR2, CR- or CRII-1

M13

SV for capacity regulator 3, CR3 or CRII-3

M14

SV for capacity regulator CR4

M41

SV for oil return

P10

Light: collective fault

Q01

Main switch

Q02

Contactor for first part winding (PW) or main contactor (Y/Δ) or compressor contactor (DOL)

Q03

Contactor for second part winding (PW) or delta contactor (Y/Δ)

Q04

Star contactor (Y/Δ)

Q05

Control transformer fuse

Q09

Contactor for oil heater

S01

Control switch (on-off)

S02

Reset of compressor safety chain

T01

Control transformer (example for 230 V, required according to EN60204-1)

T02

Frequency inverter (FI)

The cable colours are noted in accordance with IEC DIN60757.

Technical documents for further information: