
Endura AZ series integral and remote transmitter
Combustion oxygen monitor
4 Electrical Installation
20
IM/AZ20E–EN Rev. F
4.7 Remote Transmitter – Remote AZ25 AutoCal Unit Connections
Terminal
Number
Tag ID
Connection Type
Cable Color Code
1
Not used
Not used
Not used
2
3
SCN
Screen
Screens
4
T / C –
Thermocouple (–ve)
White
5
T / C+
Thermocouple (+ve)
Green
6
ACJC
PT1000 Cold Junction Compensation
Grey
7
ACJC
PT1000 Cold Junction Compensation
Violet
8
CELL –
Oxygen Input (–ve)
Black
9
CELL +
Oxygen Input (+ve)
Red
10
PS2
Pressure Switch – Gas 2
White / Yellow
11
P COM
Pressure Switch – Common
White / Black
12
PS1
Pressure Switch – Gas 1
White / Orange
13
SV2
Solenoid Valve – Gas 2
White / Blue
14
SV COM
Solenoid Valve – Common
White / Red
15
SV1
Solenoid Valve – Gas 1
White / Green
Table 4.5 Remote Transmitter to Remote AZ25 AutoCal Unit Connections
Fig. 4.8 Remote Transmitter to Remote AZ25 AutoCal Unit Connections
9 CELL +
8 CELL
7 ACJC
6 ACJC
5 TC +
4 TC
3 SCN
14
SV COM
12
P1
11
P COM
15
SV1
13
SV2
10
P2
2 H
1 H
To Remote AutoCal Unit –
Refer to OI/AZ25P–EN for Connection Details at AutoCal Unit
AutoCal Connection (Terminals 10 to 15)
Connection Terminals 1 to 9
(1 and 2 not used)