ECOLINE with FI and SE-B*

Reciprocating compressor with frequency inverter (with integrated STO) and protection device SE-B*.
Reciprocating compressor with frequency inverter (with integrated STO) and protection device SE-B*.

Last revision of the diagram:

05.05.2021

Abbr.

Component

B01

Compressor protection device

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

B30

Oil level switch

E01

Oil heater

F01

Main fuse

F02

Compressor fuse

F03

Control circuit fuse

F05

Fuse of oil heater

F06

Fan fuse

K01

Superior controller

K02T

Time relay for minimum shut-off period of compressor

K10

Auxiliary relay for status message of compressor

K19

Auxiliary relay: safety chain enabled

M01

Compressor motor

M02

Additional fan

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

M20

SV for liquid line

P04

Light: oil supply fault

P05

Light: compressor fault

Q01

Main switch

Q05

Control transformer fuse

R06

Interference suppressor (if required, e. g. from Murr Elektronik)

S01

Control switch (on-off)

S02

Reset of compressor safety chain

S03

Reset of FI

T01

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

T02

Frequency inverter (FI)

Technical documents for further information: