Grundfos SMART Digital XL DDA 120-7, Инструкция по установке и эксплуатации

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English (GB)
35
7.14
Key lock
The key lock is set in the "
Setup
>
Key lock
"
menu by entering a four-digit code. It protects the
pump by preventing changes to settings. Two levels
of key lock can be selected:
It is still possible to navigate in the "
Alarm
" and "
Info
"
main menu and reset alarms.
7.14.1 Temporary deactivation
If the "
Key lock
" function is activated but settings
need to be modified, the keys can be unlocked
temporarily by entering the deactivation code. If the
code is not entered within 10 seconds, the display
automatically switches to the "
Operation
" main
menu. The key lock remains active.
7.14.2 Deactivation
The key lock can be deactivated in the "
Setup
>
Key
lock
" menu via the "
Off
" menu point. The key lock is
deactivated after the general code "2583" or a
pre-defined custom code has been entered.
7.15 Display setup
Use the following settings in the "
Setup
>
Display
"
menu to adjust the display properties:
•
Units (metric/US)
• Display contrast
• Additional display.
7.15.1 Units
Metric units (litres/millilitres/bar) or US units (US
gallons/PSI) can be selected. According to the
operation mode and menu, the following units of
measurement are displayed:
7.15.2 Additional display
The additional display provides additional
information about the current pump status. The value
is shown in the display with the corresponding
symbol.
In "
Manual
" mode the "
Actual flow
" information can
be displayed with Q = 31.9 l/h (see fig. 37 ).
Fig. 37 Display with additional display
The additional display can be set as follows:
1)
only control variant DDA-FCM
2)
only if indicator diagram can be evaluated (see
7.8
FlowControl
)
Level Description
Settings
All settings can only be changed by
entering the lock code.
The [Start/stop] key and the [100%]
key are not locked.
Se
keys
The [Start/stop] key and the [100%]
key and all settings are locked.
Operation mode /
function
Metric units US units
Manual control ml/h or l/h gph
Pulse control ml/ ml/
0/4-20 mA Analog
control
ml/h or l/h gph
Batch (pulse- or
timer-controlled)
ml or l gal
Calibration ml ml
Volume counter l gal
Pressure monitoring bar psi
T
M
06
7
1
0
3
29
16
Setting Description
Default
display
Depending on the operation mode:
Actual flow (
Manual
/
Pulse
)
1), 2)
Target flow (
Pulse
)
Input current (analog)
Remaining batch volume
(
Batch
,
Timer
)
Period until next dosing (
Timer
)
Dosed
volume
Dosed vol. since last reset (see
Counters
on page 24 )
Actual flow
Current actual flow
1), 2)
Backpressure
Current backpressure in the
dosing head
1)
Operation
32.0
l/h
Manual
31.9l/h
Additional display