Grundfos CONTROL MPC Installation And Operating Instructions Manual page 9

9. Installation
Warning
Installation and operation must comply with local
regulations and accepted codes of good
practice.
Before installation check that
• the Control MPC corresponds to the one ordered
• no visible parts have been damaged.
9.1 Mechanical installation
The Control 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.
Control MPC is not designed for outdoor
installation and must not be exposed to direct
Note
sunlight.
9.2 Electrical installation
Warning
The electrical installation should be carried out
by an authorised person in accordance with local
regulations and the relevant wiring diagram.
• The electrical installation of the Control MPC must comply with
enclosure class, IP54.
• Make sure that the Control MPC is suitable for the electricity
supply to which it is connected.
• Make sure that the wire cross-section corresponds to the
specifications in the wiring diagram.
9.3 Start-up
The start-up description presupposes that the selected pumps
have been installed correctly according to the installation and
operating instructions supplied with the pumps.
After having carried out the installation of the Control MPC as
described in section 9. Installation, proceed as follows:
1. Turn on the electricity supply.
2. Wait for the first display to appear.
3. The first time the CU 351 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 the Status menu.
6. Go to the Operation menu (2), select operating mode Normal,
and press .
7. Control MPC is now ready for operation.
Grundfos can supply hydraulic data for CR, CRI,
CRE and CRIE pumps where GSC files can be
downloaded directly to the CU 351. Electrical
data of power must be entered manually.
Note
All other pump types require manual entering of
both hydraulic and electrical pump data.
See section 11.7.37 Pump curve data (4.3.19).
8. The system is now ready for operation.
10. 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.
CU 351
1
Control panel
Fig. 4
Key
Pos. Description
1 Display
2 Arrow to the right
3 Help
4 Up
5 Down
6 Plus
7 Minus
8 Esc
9 Home
10 Ok
11 Indicator light, operation (green)
12 Indicator light, fault (red)
13 Contrast
2
3
5
4
6
7
8
9
10
11
13 12
9