Signal Relays - Grundfos TPE 1000 Series Installation And Operating Instructions Manual

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18. Signal relays

The pump has two outputs for potential-free signals
via two internal relays.
You can set the signal outputs to Operation, Pump
running, Ready, Alarm and Warning.
Description
Grundfos Eye
The power is off.
Off
The pump runs
in "Normal"
mode.
Green, rotating
The pump runs
in "Manual"
mode.
Green, rotating
The pump is in
operating mode
"Stop".
Green, steady
Warning, but the
pump is running.
Yellow, rotating
Warning, but the
pump runs in
"Manual" mode.
Yellow, rotating
68
The functions of the two signal relays appear from the
table below.
Contact position of signal relays when activated
Operation Running
Ready
C
NO
NC
C
C
NO
NC
C
NO
NC
C
C
NO
NC
C
NO
NC
C
C
NO
NC
C
C
NO
NC
C
NO
NC
C
C
NO
NC
C
NO
NC
C
NO
NC
C
C
NO
NC
Alarm
Warning
NO
NC
C
NO
NC
C
NO
NC
NO
NC
C
NO
NC
C
NO
NC
NO
NC
C
NO
NC
C
NO
NC
NO
NC
C
NO
NC
C
NO
NC
NO
NC
C
NO
NC
C
NO
NC
NO
NC
C
NO
NC
C
NO
NC
Operating
mode
-
"Normal",
"Min." or
"Max."
"Manual"
"Stop"
"Normal",
"Min." or
"Max."
"Manual"

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