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Endura AZ25 series probe
Combustion oxygen monitor
4.3.2 Cable connections – 6-core sensor cable / Endura AZ25 AutoCal unit to Endura AZ25 probe
AutoCal unit inner
terminal block connection
Green (TC +)
White (TC –)
Red (Cell +)
Black (Cell –)
Orange (ACJC)
Blue (ACJC)
Connect sensor cable drain wire at
AutoCal unit to SCN terminal
connector – see Fig. 4.4
Table 4.5 Cable connections – 6-core sensor cable / Endura AZ25 AutoCal unit to Endura AZ25 probe
Factory-made
connections (at
probe inner
terminal connectors)
Connections from
6-core sensor cable
*Cut the screen, screen foil and drain at probe head back and isolate ONLY – do not connect these items at probe
**Connect drain from 6-core cable at AutoCal unit to the AutoCal terminal block INNER SCN connector ONLY
Fig. 4.4 Cable connections – 6-core sensor cable / Endura AZ25 AutoCal unit to Endura AZ25 probe
24
6-core screened AutoCal unit
to probe cable – wire colors
Screen (drain) – – see Fig. 4.4
for sensor cable screen
connection requirements
Endura AZ25 probe
User-made connections
– 6-core sensor cable to
Endura AZ25 AutoCal
unit
Screen / screen foil / drain of 6-
core sensor cable at Endura AZ25
probe cut back and isolated*
Endura AZ25 AutoCal unit
Green
White
Red
Black
Orange
Blue
Terminal connections at Endura AZ25 probe
T/C +
T/C –
Cell +
Cell –
ACJC
ACJC
Terminal connections at Endura AZ25 AutoCal unit
From 6-core sensor cable
ACJC (Orange)
T/C + (Green)
SCN (Screen)**
4 Electrical connections
Probe / AutoCal unit
connection
TC +
TC –
Cell +
Cell –
ACJC
ACJC
Screen / drain – – see Fig. 4.4 for sensor
cable screen connection requirements at
AutoCal unit (no screen connection
made at probe head)
Green
User-made
White
connections –
Red
6-core sensor
Black
cable to
transmitter
Orange
Blue
6-Core sensor
cable wire colors*
ACJC (Blue)
Cell + (Red)
Cell – (Black)
T/C – (White)
OI/AZ25P–EN Rev. E
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