A SERVICE OF

logo

ELECTRICAL CONNECTIONS
Oran
g
e
Red
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
Probe +
Probe -
Probe TC+
Probe TC-
TC2/Aux
+
TC2/Aux
-
+12
V
RGCI/P+
RGCI/P+
Sens #2+
Sens #2-
Pur
g
e Flow Switch
Pur
g
e Flow Switch
Fuel 1/2
Fuel 1/2
Remote Alarm Reset
Remote Alarm Reset
Burner On In
p
ut
Burner On In
p
ut
RS-232 R
x
RS-232 T
x
Network -
Network +
Serial Common
Out
p
ut 1+
Out
p
ut 1-
Out
p
ut 2+
Out
p
ut 2-
Com m on Alarm
Com m on Alarm
Alarm
2
Alarm
2
Alarm
3
Alarm
3
Alarm
4
Alarm
4
Red
Red
51
52
Heater #
1
Heater #
1
Printer or
Com puter
connection
4-20mA
out
p
u
t
Selectable
ran
g
e
Optional
Alarm
Rela
y
Contacts
Normall
y
Closed
48
50
49 Mains
N
Mains
A
Mains Power Su
pp
l
y
240/115VAC
47
Mains
E
41
42
43
44
46
45
Cal 1 So
l
Cal 1 So
l
Cal 2 So
l
Cal 2 So
l
Pur
g
e Sol/Htr #2
Pur
g
e Sol/Htr #2
OXYGEN SENSOR
Yellow
Brown
Figure 3.2 Internal Oxygen Sensor Connections
All wiring should comply with local electrical codes. All earth and shield connections should be connected to the earth
stud on the LHS inside the case. Before connection of mains power check that the 115 / 230 volt power selector switch
is set to the correct voltage (Lower PCB on the RHS ).
3.3 CONNECTING THE OUTPUT CHANNELS
Teledyne Analytical Instruments 9070 Oxygen Analyzer Page 17