Gemü 1256/1257 Electrical Connection; Switch Positions; Mounting The Plug; Commissioning The Flowmeter - GEM 125 Series Operating Instructions Manual

12.5 GEMÜ 1256/1257 electrical connection
internal
Fig. 13: GEMÜ 1256/1257 electrical connection
1
Fig. 14: Connection to the terminal block
Item
1 Uv-, Supply voltage (-)
Us-, Signal voltage (-)
2 Uv+, Supply voltage (+)
3 Us+, Signal voltage (+)

12.6 Switch positions

Type
GEMÜ 1251 Closed
GEMÜ 1256 Closed
GEMÜ 1252 Open
GEMÜ 1257 Open

12.7 Mounting the plug

1. Push the plug onto the mount.
2. Fix the plug with the screw.
ð The plug is mounted.

13 Commissioning the flowmeter

● Commission the flowmeter (see installation, operating and
maintenance instructions for the flowmeter).

14 Operation

The position of the float during operation is communicated to
the evaluating unit via the relevant electrical output of the
limit switch.
www.gemu-group.com
external
2
Connection
Position of the float
Above Below
Open
Open
Closed
Closed

15 Maintenance

Use of incorrect spare parts!
▶ Damage to the product.
▶ Manufacturer liability and guarantee will be void.
Only the spare parts specified below must be replaced.
●
The device must only be repaired by GEMÜ.
●
Preventive maintenance/cleaning is recommended depending
on the operating conditions.

15.1 Inspection

1. The operator must carry out regular visual examinations
of the product, depending on the operating conditions and
the potentially hazardous situations, in order to prevent
damage.
2. At regular intervals, depending on the operating and ambi-
ent conditions, the product and the electrical wiring must
be checked for deposits of dirt, damage and cracks and, if
required, they must be cleaned.
3. Replace the product and/or electrical wiring in the case of
damage.
4. The operator is responsible for determining appropriate in-
spection intervals.

15.2 Spare parts

Spare part
Plug
Limit switch
When ordering spare parts, please provide the following in-
formation:
– Complete order code
– Name of spare part
29 / 36
15 Maintenance
CAUTION
Order number
On request
On request
GEMÜ 125x