Maintenance level, The set points of temperature and co – ROTRONIC CF8-W-Disp-CO User Manual

Page 7

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Dokument
UMA 147

Rev
1

Page
7 (16)

the set points of temperature and CO

2

After power up the display will always return to

the Default display mode. If a permanent change of default values is requested the
PC software is to be used.

Function
Line

Display

Time
limit

Function description

0

CO /

CO

2

no

DEFAULT - Normal operation

1

Exxx

yes

Error code. If no error has been detected the code E0 is shown. The
error code is reset with Entr(+-).

2

Present CO
and CO

2

.

set points

no

Toggle between display of temperature and CO

2

set point with

MENU(+).


Table III. On the display without entering the maintenance menu

Maintenance level


A number of execution options are available from the MAINTENANCE MENU (see
Table IV). This level is accessed only from the display mode in the set points of CO
and CO

2

selection. A two buttons push

and an access

code restrict access, intended

for competent trained service personnel only. The Entr(+-)command is done by
PUSHING MENU AND ESC AT THE SAME TIME (hold down for about 14 seconds).
The access code has eight binary digits; one press at MENU(+) equals 1 and one
press at ESC(-) equals 0. The code value can be changed for your personal choice
from the software UIP 4.3.

Always use the ESC button to return to the DEFAULT mode. Several pushes of the
ESC button may be needed to return to the DEFAULT mode. The

Entr(+-)

push

(MENU & ESC) eventually leads to execution of functions, which causes temporary
or permanently change of any parameter, that affects the system outputs!

Function

Line

Display

Time

limit

Function description

3

ECxx

yes

Access code to the service menu The default value of the code is
255 (=11111111, that is eight presses on MENU(+)). Press down
MENU(+) and let it scroll until it stops. The last two digits of the code
are shown. Then ENTER to accept the selected code.

4a

SPCO

yes

For setting the set point of the CO concentration.

4b

The present
CO set point

yes

For increase / decrease of the CO set point. The set point is
increased by stepping with MENU(+) button. Decreasing is done by
stepping with the ESC(-) button.

5a

SPc

yes

For setting the set point of the CO

2

concentration

5b

The present
CO

2

set point yes

For increase / decrease of the CO

2

-concentration set point The

set point is increased by stepping with MENU(+) button. Decreasing
is done by stepping with the ESC(-) button.

6a

AOUt

yes

First step of adjusting the analogue outputs MAX and MIN
values

6b

An xx

no

Select analogue output by stepping with MENU(+) button

6c1

SetL

no

Leads to adjustment of the MIN value.

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