Wilo Control MS-L, Installation And Operating Instructions Manual

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30 Installation and operating instructions • Wilo-Control MS-L • Ed.02/2022-05
▶ The switchgear is ready for operation.
▶ LED “on” lights up.
▶ LED “auto” shows the current operating mode:
- LED
flashes : Standby mode
- LED lights up : Automatic mode. In order to switch to standby mode, press the
“stop” button.
8.5 Installing the rechargeable battery
DANGER
Risk of fatal injury due to electrical current!
There is a risk of fatal injury when performing work on the open
switchgear! The components carry current!
• Have work carried out by a qualified electrician.
• Avoid contact with earthed metal parts (pipes, frames etc.).
NOTICE
Mains-independent alarm
The alarm sounds as soon as the rechargeable battery is inserted. The
alarm can only be switched off by removing the rechargeable battery
again or by connecting the power supply.
By inserting a rechargeable battery, a mains-independent alarm signal can be issued in the
case of a power failure. An audible, constant tone is emitted as an alarm. Observe the fol-
lowing points:
• Rechargeable battery type: E-Block, 9 V, Ni-MH
• In order to ensure trouble-free operation, charge the rechargeable battery prior to inser-
tion or charge it for 24 h in the switchgear.
• The capacity of the rechargeable battery will fall if the ambient temperature drops. The
alarm running time is reduced.
✓ Power supply connected.
✓ Main switch in the “0/OFF” position!
NOTICE! Switchgear without main switch: Disconnect power supply with mains
isolator!
1. Insert the rechargeable battery into the designated holder, see “Overview of compon-
ents”.
WARNING! Do not insert any batteries! There is a risk of explosion!
CAUTION! Observe the correct polarity!
2. Plug in the connection cable.
⇒ Alarm sounds!
3. Turn the main switch to the “1/ON” position.
NOTICE! Switchgear without main switch: Establish power supply by means of
mains isolator!
⇒ Alarm off!
▶ Rechargeable battery installed.
8.6 Check the direction of rotation of
the connected pumps
NOTICE
Rotating field, power supply and pump connection
The rotating field is routed from the mains connection directly to the
pump connection. Check the required rotating field of the pumps to be
connected (clockwise or counter-clockwise)! Observe the installation
and operating instructions of the pumps.
Perform a test run to check the direction of rotation of the pumps. CAUTION! Material
damage! Perform the test run under the prescribed operating conditions.