Functions - Wilo Control MS-L Series Installation And Operating Instructions Manual

Control MS-L2...
SSM Alarm
3
11 12 13 14 15 16
Fig. 15: Terminal strip sensors: external alarm
signal for high water
6.6

Functions

Inputs/outputs
Internal buzzer
Pump kick
Service interval indicator
Monitoring operating parameters
Follow-up time
Adjustable switching points for pump ON and high water*
6.6.1 Internal buzzer
ON
8
1 2 3 4 5 6 7
Fig. 16: DIP switch 1: internal buzzer
6.6.2 Pump kick
ON
8
1 2 3 4 5 6 7
Fig. 17: DIP switch 1: Pump kick
6.6.3 Service interval indicator
Installation and operating instructions Wilo-Control MS-L
Installation
An external alarm signal (horn, flashing light, etc.) can be connected for the high water
alarm:
ƒ
Contact type: potential-free changeover contact
ƒ
Contact load:
–
Minimum: 12 VDC, 10 mA
–
Maximum: 250 VAC, 1 A
Insert the connection cables laid by the customer through the threaded cable glands
and secure. Connect the wires to the terminal strip according to the connection dia-
gram.
Switchgear
Control MS-L1...
Control MS-L2...
The switchgear is equipped with the following functions. All functions are switched off
at the factory. The functions must be switched on as required.
Key
• = available, − = not available
* The switching points can be selected from eight sets of parameters for the respective
lifting unit.
DIP
The internal buzzer can also issue audible warning messages in addition to the visual in-
dicator. Switch the internal buzzer on/off via DIP 7 on DIP switch 1:
ƒ
"ON" position: Buzzer on
ƒ
"OFF" position: Buzzer off
DIP
To prevent prolonged standstill periods for the connected pumps, a periodic test run
can be performed (pump kick function). A 2 s test run takes place after a standstill
period of 24 h for the respective pump.
Switch the pump kick on/off via DIP 6 on DIP switch 1:
ƒ
"ON" position: Pump kick on
ƒ
"OFF" position: Pump kick off
A service interval indicator can be switched on to increase operational reliability. The
time is recorded continuously when the mains voltage is switched on. After the interval
has elapsed, a visual signal is emitted by means of the yellow LED on the front. NO-
TICE! There is no audible signal and the collective fault signal is not activated!
Normally open contact
(NO)
−
Terminal 15/16
• • •
• • •
− − −
− − −
• • •
− − •
en
Normally closed contact
(NC)
−
Terminal 14/15
• • •
• • •
• • •
• • •
• • •
− − •
25