18
7425MUM651
Model: QBS
- Use and Maintenance Manual
Rev. 02
6.7
L
OCKING
/U
NLOCKING THE KEYBOARD
Make sure the keyboard is not locked and no procedure is running.
•
Press
and
2 seconds: the display will show
“Loc”
1 second.
If the keyboard is locked, you will not be allowed to:
•
Show the temperature read by probe 1 and probe 2;
•
Modify the working setpoint.
This operations provoke the visualization of the label
“Loc”
1 second.
To unlock the keyboard:
•
Press
and
2 seconds: the display will show
“UnL”
1 second.
6.8
A
LARMS
The display will show the following code of alarm.
Code
Description
Type of rearm
AL1
Minimum temperature probe 1
(ambient temperature)
Automatic
AL2
Maximum temperature probe 2
(outlet water temperature)
Automatic
Pr1
Probe 1 error
Automatic
Pr2
Probe 2 error
Automatic
Loc
Keyboard and/or setpoint are locked
---
----
The quantity to show is not available
---
6.9
S
ETTING CONFIGURATION PARAMETERS
To gain access the procedure:
•
Press
and
4 seconds and the display will show
“PA”
;
•
Press
;
•
Press
or
in 15 seconds to set the password
3F
4
;
•
Press
or do not operate 15 seconds;
•
Press
and
4 seconds and the display will show
“SP”
, the first available parameter.
•
Press
or
to scroll the parameter list;
•
To select a parameter, press
and use
or
in 15 seconds to modify the setting
value;
•
Press
to confirm the value or do not operate 15 seconds.
4
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