Wilo DrainAlarm Manual page 14

en
8.3 Connection of signal transmitters
within potentially explosive atmo-
spheres
8.4 Activating the device
3
PE N L1
Fig. 6: Terminals for mains connection
8.5 During operation
14
DANGER
Risk of explosion due to incorrect connection!
If the connected float switch is installed within a hazardous area (ex-
zone), there is a risk of explosion if the connection is faulty!
• Connect the float switch using an Ex cut-off relay!
• Connection must be carried out by a qualified electrician.
In order to activate the switchgear, connect the battery and establish the mains connec-
tion.
Connect the battery (only DrainAlarm)
✓ Installation carried out correctly.
✓ Alarm signal connected.
✓ Float switch installed and connected.
✓ Switching point set correctly.
1. Remove the housing cover.
2. Remove the grommet from the plus contact (+) of the battery.
3. Connect the blade connector to the plus contact (+) of the battery.
4. Reattach the housing cover.
⇒ Rechargeable battery installed.
Establish mains connection to the attached plug
The switchgear comes with a connection cable and an attached CEE7/7 plug as standard.
✓ Battery connected (only DrainAlarm).
✓ Housing cover installed, switchgear closed.
✓ Type "E" or "F" socket available.
1. Insert plug into socket.
⇒ Switchgear starts. All LEDs light up for 2 s.
2. LEDs show the current operating status.
▶ Switchgear connected.
Establish the mains connection as a fixed connection
Alternatively, you can also disconnect the factory-installed connection cable and connect
the switchgear to a sub-distribution.
✓ Battery connected (only DrainAlarm).
✓ Mains isolator (e.g. main switch) available on-site.
✓ Mains isolator switched off.
✓ 3-wire connection cable available on-site.
1. Remove the housing cover.
2. Disconnect pre-installed connection cable (see section "Structure [" 6]").
3. Connect the 3-wire connection cable to the terminal (L, N, PE).
4. Reattach the housing cover.
5. Switch on mains isolator.
⇒ Switchgear starts. All LEDs light up for 2 s.
6. LEDs show the current operating status.
▶ Switchgear connected.
Make sure the following points are observed during operation:
• Keep the switchgear closed and secure it against unauthorised opening.
• Switchgear attached in a flood-proof manner (protection class IP54).
• Not exposed to direct sunlight.
• Ambient temperature: -20 to 50 °C.
NOTICE! The transformer in the switchgear can heat up to 70 °C during operation. The
housing also heats up as a result.
Installation and operating instructions • Wilo DrainAlarm/DrainAlarm FIRST • Ed.01/2024-08