Carel humiDisk User Manual download pdf (Page 25)

ENGLISH

humiDisk - +030222022 - rel. 2.1 - 01.03.2012

9.1 Setting the fundamental parameters

Setting the set point (St1)

• press SEL for a few seconds;

• the display will show St1;

• release the SEL button;

• the display will show the current value of SET 1, ﬂ ashing;

• press

/ until reaching the desired value;

• press SEL to conﬁ rm the new value of St1 and return to the normal operation screen.

Setting the differential P1

• press the PRG/mute button for 5 seconds;

• the display will show the ﬁ rst parameter “P1”;

• press the SEL button;

• the display will show the current value of the parameter P1;

• press / until reaching the desired value;

• press SEL to conﬁ rm;

• press the PRG/mute button to save the changes and return to the normal operation screen.

Setting the low humidity alarm P25, high humidity alarm P26, alarm differential P27, alarm delay

P28

• press the PRG/mute pbutton for 5 seconds;

• the display will show the ﬁ rst parameter “P1”;

• press

/ until reaching the desired parameter, “P25” (absolute value), “P26”, “P27”, or “P28”;

• press the SELbutton;

• the display will show the current value of the parameter to be modiﬁ ed;

• press

/ until reaching the desired parameter;

• press SEL to conﬁ rm;

• press the PRG/mute button to conﬁ rm the changes to the parameters and return to the normal

operation screen.

Setting the “C” parameters

• press the PRG/mute + SEL buttons for 5 seconds;

• “00” is displayed;

• enter the password 77 using / , press SEL;

• C0 is displayed;

• press / , until reaching the desired parameter (C0 or C29);

• press SEL;

• the display will show the current value of the parameter to be modiﬁ ed;

• press / until reaching the desired parameter;

• press SEL to conﬁ rm;

• press the PRG/mute button to conﬁ rm the changes to the type C parameters and return to the normal

operation screen.

9.2 Alarms and troubleshooting

message description causes effect on control reset checks/solutions

Er0 probe error probe faulty or disconnected all outputs OFF R: automatic

V: manual

check the connections, check the probe signal

Er2 memory error power failure during programming; memory damaged

by electromagnetic interference

complete shutdown R: automatic

V: manual

restore the default values, turn the instrument off

and on again while holding “PRG”; if the problem

persists, replace the instrument

Er4 HIGH alarm the input has exceeded P26 for a time >P28 no effect R: automatic

V: manual; (*)

check parameters P26,P27 and P28

Er5 LOW alarm the input has fallen below P25 for a time >P28 no effect R: automatic

V: manual; (*)

check parameters P26,P27 and P28

Tab. 9.b

R= Control: control reset means restoring normal operating conditions of the controller once the alarm

condition is no longer present;

V= Display: display and buzzer. Display reset means the return of the normal display;

(*): To reset a manual alarm, simply set a wide alarm differential (P27).

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Carel humiDisk User Manual Page 25

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