ALUP Kompressoren SCK 21, Maintenance And Operating Instructions

8

Operating

Code 2  Mode

0 

=

Automatic
(“Automatic” appears in the display)
Idling time according to code 51

1 

=

Load-idling operation
Unlimited idling time

2 

=

Automatic optional
(an additional point appears in the display befor the
temperature value)
Progr. level 1: max. pressure drop
Progr. level 2: max. switching frequency

In all modes the compressor cuts in when the pressure falls below the
cut-in pressure level and goes into idling mode when the cut-out
pressure is reached. After the end of the idling time the motor cuts
off.

Code 3  Automatic Restart

0 

=

no automatic restart

1 

=

with automatic restart
(“Restart” appears in the display)

In the event of a power failure, which is shorter than the programmable
restart time, the compressor will restart automatically

Code 8  Local / Remote / GLW

Generally the system will be controlled locally.

0 

=

“Local” mode (standard)

1 

=

Remote” On/Off mode (“Remote” appears flashing
in the display)

2 

=

Operation with a lead / lag control unit with automatic
switch to to ”local” operation (Option)

Code 11  Cut-in and cut-out pressure

When pressing the INFO key once the current cut-in pressure (bar)
appears in the display and can then be changed.

After pressing the INFO key a second time the current cut-out pressure
appears (bar) in the display. The cut-out pressure can be changed and

must always

 be at least 0.1 bar higher than the cut-in pressure.

Code 18  Lead / lag operation

0 

=

Standard without lead / lag control unit

1 

=

Operation with a lead / lag control unit
(“Remote” appears in the display)

Code 21  Maintenance acknowledgement

Relaised maintenance can be acknowledged by immediately pressing
the ENTER key and after that the O key.

Code 51  Idling, standstill and ru-up time

Progr. level 1:

Idling time (10 - 1200 s)

Progr. level 2:

Standstill time (0 – 60 s)

Progr. level 3:

run-up time (3 - 30 s)

Code 90  Change of pressure unit

0 

=

Pressure in bar (g)

1 

=

Pressure in Mpa (g)

2 

=

Pressure in psi (g)

Code 95  Change of temperature unit

0 

=

Temperature in °C

1 

=

Temperature in °F

2 

=

Temperature in K

4.4 Errors

The red lamp shines and the symbol   is flashing. The corresponding
error number flashes:

1

Pressure rated value wrong

2

Parameters wrong

3

Low voltage

4

Voltage failure

5

AirControl defect

6

Emergency stop actuated

7

Wrong direction of rotating

8

Motor temperature to high

9

Over current

10

Over pressure

11

Pressure drop through oil separator

12

Maximum compressor temperature sensor

13

Oil temperature sensor

14

Pressure sensor

15

Maximum compressor final temperature exceeded

16

Network pressure exceeded

Errors have to be acknowledged by pressing the 

O

-key.

4.5 Programming

The factory settings may be changed by programming

1.

Press the 

O

-key until the message 

cod

 appears

2.

Select the codes described below using the

keys; confirm your selection using ENTER

3.

The code appears with 3 digits in the display. Change
of the flashing value ( 

 ) with the         keys;

confirm your selection with ENTER

4.

Certain codes allow settings in the second and third
programming level after pressing of the ENTER key

5.

Press the 

O

-key to return to the main menue

Programming
level

Set code

Flashing number
value ( 

 )