CS.65 .. 95 with SE-i1, PW start, stepless capacity control, basic sensor kit

B2

Control unit (cooling demand) or command for compressor start (release signal from the system controller) or controller On/Off

B6

High pressure transmitter

B7

Low pressure transmitter

F1

Main fuse

F2

Compressor fuse

F3

Control circuit fuse

F4

Oil heater fuse

F5

High-pressure switch

F6

Low pressure switch

F7

Switching on delay "ECO"

F8

Oil level switch (minimum oil level), option

F9

Control thermostat "LI"

F10

Control thermostat for additional oil injection

F13

Thermal overload relay "motor" (1st part winding and star-delta)

F14

Thermal overload relay "motor" PW2

F17

Control transformer fuse

F21

Fuse of the heating element in the terminal box

F30

Fuse of compressor protection device

H1

Signal lamp "fault SE-i1"

H2

Signal lamp “pause time”

K1

Contactor "1st part winding" (PW) or main contactor (star-delta)

K2

Contactor "2nd part winding" (PW) or delta contactor (star-delta)

K3

Star contactor (star-delta)

K2T

Time relay “pause time” 300 s

K3T

Time relay "part winding" 0.5 s or "star-delta" 1 s (CS.95: 1.5 .. 2 s)

K5T

Time interval relay "CR4" flashing function on / off 10 s

M1

Compressor

Q1

Main switch

R1

Oil heater

R2

Oil temperature sensor (CS.: PTC ② or NTC ➂)

R3-8

PTC sensor in motor (CS.)

R9

Heating element for terminal box

R10

Optional temperature sensor

S1

Control switch (on/off)

S2

Fault reset "SE-i1"

T1

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

U

Interference suppressor: varistor or RC element integrated into the solenoid valve plug if required

Y1

Solenoid valve "capacity regulator” ➀

Y2

Solenoid valve "capacity regulator” ➀

Y3

Solenoid valve "capacity regulator" ➀

Y4

Solenoid valve "capacity regulator” ➀

Y5

Solenoid valve "liquid line"

Y6

Solenoid valve "ECO"

Y7

Solenoid valve "LI"

Y8

Solenoid valve "additional oil injection"

Y9

Solenoid valve “oil cooler line”