Installation And Setup Menu; Installation Mode And Alarm Information - Grundfos CU 321 Installation And Operating Instructions

4. Installation and setup menu

The installation menu is used to set up the system.
The actual pump size must be selected and some
other system parameters can be set in this menu.
Only predefined setup can be made.
The installation menu is described in the following
sections.
Pump size
Display: PU
Max. speed
Display SP
Reset type
Display: Re
Controller operating hours
Pump operating hours
1st alarm
2nd alarm
3rd alarm
Fig. 21 Installation menu and alarm information
Press to return to normal operation.
Install
16
4.1 Installation mode and
alarm information
Press to enter into installation mode.
Insta l
This mode also includes a list of the three latest
alarms in the CU 321.
The complete installation menu and alarm informa-
tion are shown in fig. 21.
Possible sizes:
- 16
- 25
- 40 (default)
- 75
(Pump size in gal./min.)
Max. speed setting range:
3600-1500 rpm
Possible reset types:
- Automatic
- Manual
CU 321 information menu
Alarm information