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A Z10 OX YG E N A N A LY ZE R
| CO M B US T I O N G A S A N A LY S I S | O I/A Z 10 - EN R E V. A
23
Electrical connections – AutoCal systems/AZ10 AutoCal unit to AZ10 transmitter
Wire
color
AutoCal unit connection/
terminal color
Transmitter connection/
terminal color
Connection
type
Blue
Blue
Blue
Heater 1
Brown
Brown
Brown
Heater 2
Screen 1 and 2 (drains) – connect to
transmitter internal earth stud and
AutoCal unit SCN terminal
SCN
Screen 1 and 2
(drains)
SCN
Screen 1 and 2
(drains)
Screen 1 and 2 (drain wires) –
connect to transmitter earth stud
and AutoCal unit SCN terminal
White
White
White
T/C –
Green
Green
Green
T/C +
Grey
Grey
Grey
ACJC
Violet
Violet
Violet
ACJC
Black
Black
Black
Cell – (oxygen input)
Red
Red
Red
Cell + (oxygen input)
White/Yellow
White/Black
White/Orange
White/Green
White/Red
White/Blue
White/Yellow
White/Black
White/Orange
White/Green
White/Red
White/Blue
White/Yellow
White/Black
White/Orange
White/Green
White/Red
White/Blue
PS2 (test gas 2)
P Comm
PS1 (test gas 1)
SV2
SV Comm
SV1
Cable requirements –
AZ10 AutoCal unit to AZ10 transmitter (AutoCal systems)
Figure 20 Electrical connections – AutoCal systems/AZ10 AutoCal unit to AZ10 transmitter
P2 (White/Yellow)
P COM (White/Black)
P1 (White/Orange)
SV1 (White/Green)
SV COM (White/Red)
SV2 (White/Blue)
1 2
9
8
7
6
5
4
3
Brown
Blue
Not used
* Connect screen 2 (drain) to the AutoCal unit's outer SCN connector only
Connect screen 2 (drain) to the transmitter's
internal earth stud only –
do not connect it to
the transmitter's SCN terminal or transmitter
external earth
P2 (White/Yellow)
P COM (White/Black)
P1 (White/Orange)
SV1 (White/Green)
SV COM (White/Red)
SV2 (White/Blue)
AZ10 transmitter
AZ10 AutoCal unit
ACJC (Violet)
ACJC (Grey)
Cell + (Red)
Cell – (Black)
T/C + (Green)
T/C – (White)
SCN*
Heater
wires
Cell + (Red)
Cell – (Black)
ACJC (Violet)
ACJC (Grey)
T/C + (Green)
T/C – (White)
SCN (Screen)
NOT USED
Factory-made
(internal)
connections
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