Display Layout; Commissioning; Checks Before First Start-Up; Startup - Grundfos RCME Series Installation And Operating Instructions Manual

9.1 Display layout

Display layout
Fig. 7
Menu line
The display has four main menus:
Status
Indication of system status
Changes to operating parameters
Operation
(password option)
Alarm
Alarm log for fault-finding purposes
Changes to system settings
Settings
(password option)
Upper status line
The upper status line shows the following:
• the display number and name (left side)
• the symbol in case of alarm (right side)
• the symbol in case of warning (right side)
• the symbol if the service language has been selected
(right side).
Lower status line
The lower status line shows the following:
• system name (left side)
• date and time (right side).
Graphical illustration
The graphical illustration shows the rainwater system, including
feed pump and collecting tank. The display also shows various
settings as well as system status, a historical indication or other
elements.
Scroll bar
If the list of elements exceeds the display, the symbols
will appear in the scroll bar to the right. Use [ ∧ ] and [ ∨ ] to move
up and down in the list.
Menu line
Upper status line
Graphical illustration
Scroll bar
Lower status line
and

10. Commissioning

10.1 Checks before first start-up

Check the following before the system is started up for the first
time:
• Mechanical installation has been made as described in section
7. Mechanical installation.
• Electrical installation has been made as described in section
8. Electrical installation.
• All isolating valves are open.
• The precharge pressure of the integrated pressure vessel is
set to 70 % of the desired setpoint.
For further information, see section
vessel.
• The collecting tank has been filled sufficiently with water in
order for the SB feed pump to deliver water to the buffer tank.

10.2 Startup

Position numbers refer to fig. 2, page 116.
1. Switch on the power supply, and wait for the first display to
appear.
2. Set "Display language", "Units", "Date and time" in displays
4.7.1 to 4.7.3.
See sections
15.7.1 Display language (4.7.1)
and time (4.7.3).
3. Make the collecting tank settings.
See section
15.1 Tank settings
4. Check the maximum permissible discharge pressure for the
booster pump (p ) and adjust, if necessary.
max
See section
15.2 Booster pump settings
5. Clear any alarms.
See section
14.1 Current alarms
6. Select and define the conditions to be monitored.
See section
15.3.1 Digital inputs
7. Set the feed pump to "Auto".
See section
13. Operation (2).
8. Set the mains water valve to "Auto".
See section
13. Operation (2).
9. Check that the feed pump stops and the mains water valve
closes when the buffer tank has been filled to the stop level.
10. Prime the booster pump:
11. Close the isolating valve on the base plate outlet (pos. 14).
12. Remove the front cover (pos. 23) of the RCME unit.
13. Place a receptacle beneath the drain valve (pos. 26) mounted
on the booster pump discharge manifold to receive drain
water.
14. Open the drain valve (pos. 26).
15. Set the booster pump to "On".
See section
13. Operation (2).
16. Close the drain valve (pos. 26) when a steady stream of water
comes out of the drain.
17. The booster unit is now primed.
18. Open the isolating valve (pos. 14) on the base plate outlet.
19. Set the booster pump to "Auto".
See section
13. Operation (2).
20. Activate rainwater consuming equipment, for example toilets
or garden hose, in order to prime the system and pipework.
The system is now ready to supply rainwater to the building.
17.3 Integrated pressure
to
15.7.3 Date
(4.1).
(4.2).
(3.1).
(4.3.1).
9