Thermo 49i - Photometer Power Supply Connector Pin Descriptions

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