English (GB)
8
6. Installation
Before installation, check that the system is as ordered, and that
no visible parts have been damaged.
6.1 Mechanical installation
The MPC must be installed in a well-ventilated room to ensure
sufficient cooling of the control cabinet.
Install the pumps according to the installation and operating
instructions supplied with the pumps.
6.2 Electrical installation
• The electrical installation of the system must comply with
enclosure class IP54.
• Make sure that the system is suitable for the power supply to
which it is connected.
• Make sure that the wire cross-section corresponds to the
specifications in the wiring diagram.
6.3 Startup
1. Switch on the power supply.
2. Wait for the first display to appear.
3. The first time the CU 352 is switched on, a start-up wizard will
guide the user through the basic settings.
4. Follow the instructions in each display.
5. When the wizard is completed, check that all pumps are set to
"Auto" in menu "Status".
6. Go to menu "Operation".
7. Select operating mode "Normal" and press [ok].
8. The system is now ready for operation.
7. Control panel
The control panel in the front cover of the control cabinet features
a display, a number of buttons and two indicator lights.
The control panel enables manual setting and monitoring of the
performance of the system.
Fig. 4
Control panel
Caution
The MPC is not designed for outdoor installation and
must not be exposed to direct sunlight.
Warning
The electrical installation should be carried out by an
authorised person in accordance with local
regulations and the relevant wiring diagram.
Note
Grundfos can supply hydraulic data for CR, CRI,
CRE and CRIE pumps where GSC files can be
downloaded to the CU 352. Electrical data of power
must be entered manually.
All other pump types require manual entering of both
hydraulic and electrical pump data.
See section
8.7.39 Pump curve data (4.3.19)
.
T
M
05
30
43
08
12
Pos.
Description
1
Display
2
Arrow to the right
3
Help
4
Up
5
Down
6
Plus
7
Minus
8
Back
9
Home
10
OK
11
Indicator light, operation (green)
12
Indicator light, fault (red)
13
Brightness
1
11
10
9
8
7
6
4
5
3
2
12
13
CU 352