27 Installation instructions: Retrofitting Relays
These installation instructions apply to:
Order No.
Fault indicating relay GMXa 1050643
Fault indicating and pacing relay GMXa 1050654
WARNING!
Danger of electrocution.
Live parts can be accessed if the slot for the relay
has been opened.
– Disconnect the pump from the mains/power
supply prior to commencing work.
–
Only operate the pump with a liquid-tight
screwed slot for the relay and connector for the
relay cable.
1 - Relay board, fully ass.
1 - Relay cable, fully assembled, with connector
1 - Seal
Torx spanner T 25
A small bright pocket torch can help to find the 4x2
contact in the slot for the relays more easily.
Personnel:
n
Electrician
Prerequisite:
The pump is electrically disconnected.
1. Remove the cover of the slot.
2. Hold the relay board by the edge of the relay cover.
3. Carefully insert the relay board into the slot for the relay - the
opening in the board in the slot will help with this (A); at the
same time make sure that the 3x2 pins on the relay board
are sitting correctly and on the left contacts of the 4x2 contact
in the slot (B) - see Figure
4. Push the relay board with gentle pressure into the slot.
5. Use the screws to screw the relay cover until liquid-tight with
the housing.
6. Insert the seal of the connector of the relay cable into the
relay cover.
7. Push the connector onto the pins of the relay cover and then
tighten the screw into the connector until liquid-tight.
Scope of delivery
Materials
Installation instructions: Retrofitting Relays
172
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