Thermo Scientific 49i Instruction Manual page 182

Troubleshooting
Connector Pin Descriptions
6-20 Model 49i Instruction Manual
Table 6-8. Ozonator Power Supply Connector Pin Descriptions, continued
Connector Reference
Label Designator
LAMP HEATER J2
INTF J3
Table 6-9. Photometer Power Supply Connector Pin Descriptions
Connector Reference
Label Designator
LAMP J1
LAMP HEATER J2
INTF J3
Pin Signal
Description
2 Ozonator Lamp Voltage Return
1 Ground
2 Ozonator Lamp Thermistor 1
3 Ozonator Lamp Heater Control
4 Ground
5 +24V Heater Current Sense
6 Ozonator Lamp Thermistor 2
1 Ozonator Lamp Intensity Control
Voltage Input
2 Ozonator Lamp Intensity Control
Voltage Output
3 Ozonator Heater Thermistor
4 +24V
5 Ground
6 Ozonator Lamp On/off Control
7 Ground
8 Ground
Pin Signal
Description
1 Photometer Lamp Voltage Out
2 Photometer Lamp Voltage Return
1 Ground
2 Photometer Lamp Thermistor 1
3 Photometer Lamp Heater Control
4 Ground
5 +24V Heater Current Sense
6 Photometer Lamp Thermistor 2
1 Photometer Lamp Intensity Control
Voltage Input
2 Photometer Lamp Intensity Control
Voltage Output
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