Endura AZ20 series probe
Combustion oxygen monitor 4 Connections
IM/AZ20P–EN Rev. G 21
4.3.2 AutoCal Connections at Endura AZ20 Probe
1. Make standard connections – see section 4.3.1, page 20,
steps 1 to 5.
Referring to Fig. 4.4:
2. Remove terminal plug
A from probe terminal block B
taking care not to disturb the existing wiring C.
3. Make AutoCal terminal plug connections as shown in
Ta b le 4 .2:
4. Carefully plug the terminal plug
A into probe terminal
block B taking care not to disturb the existing wiring C.
5. Tighten cable gland D.
6. Refit the probe end cap
E and tighten hand-tight.
7. Refer to IM/AZ20E-EN for transmitter connections.
Terminal / Cable
Color
Tag ID AutoCal Connection
White / Yellow PS2
Pressure Switch
Gas 2
White / Black
PS
COM
Pressure Switch
Common
White / Orange PS1
Pressure Switch
Gas 1
White / Green SV1 Solenoid Valve Gas 1
White / Red
SV
CO
M
Solenoid Valve Common
White / Blue SV2 Solenoid Valve Gas 2
Table 4.2 AutoCal Connections at Probe
Fig. 4.4 AutoCal Connections at Endura AZ20 Probe
AutoCal
Ter m i n al P l u g
Cable
Color Label