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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
21
Electrical connections – AutoCal systems/AZ10 probe to AZ10 AutoCal unit
Wire
color
AutoCal unit connection/
terminal color
Probe
terminal
Connection
type
Blue
Blue
H1
Heater 1
Brown
Brown
H2
Heater 2
Screen 1 and 2 (drains) – connect to probe
internal earth stud and connect an internal
earth wire from probe earth terminal to
probe internal earth stud at probe
SCN
Screen 1 and 2
(drains)
Internal
earth stud
Screen 1 and 2 (drain wires) –
connect to probe 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 (cut wire back both ends)
White/Black (cut wire back both ends)
White/Orange (cut wire back both ends)
White/Green (cut wire back both ends)
White/Red (cut wire back both ends)
White/Blue (cut wire back both ends)
White/Yellow
White/Black
White/Orange
White/Green
White/Red
White/Blue
N/A
Not used,
Table 2
Cable requirements – AutoCal systems/AZ10 probe to AZ10 AutoCal unit
Figure 18 Electrical connections – AZ10 probe to AZ10 AutoCal unit
(AutoCal systems)
VIOLET
BLACK
RED
WHITE
CELL
–
+
–
+
GREY
GREEN
T/C
ACJC
CELL
T/C
– +
+
R
W BL
BLUE
BROWN
GREEN
H1
CLR
CLR
H2
H1 H2
P2 (White/Yellow)
P COM (White/Black)
P1 (White/Orange)
SV1 (White/Green)
SV COM (White/Red)
SV2 (White/Blue)
Factory-made
(internal)
connections
See page
22 for
transmitter
connections
ACJC (Violet)
ACJC (Grey)
Cell + (Red)
Cell – (Black)
T/C + (Green)
T/C – (White)
SCN (Screen)
Heater H2 (brown)
Heater H1 (blue)
AZ10 probe
AZ10 AutoCal unit
Earth (green wire
from probe earth stud)
Probe heater connections and internal
earth connection wire from earth stud
Screen 1 and 2 drains (twisted pair) – cut back to
≤40 mm (1.57 in)
after
being passed into sensor head
H1 (Blue)
H2 (Brown)
ACJC (Grey)
ACJC (Violet)
TC+ (Green)
TC– (White)
Cell + (Red)
Cell – (Black)