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Troubleshooting
Connector Pin Descriptions
6-24
Model 146i Instruction Manual
Table 6-8. Solenoid Connector Board Pin Descriptions, continued
Connector
Reference
Label
Designator
GAS E
J5
GAS F
J6
Z – A
J7
EXT/INT
J8
Table 6-9. Ozonator Power Supply Connector Pin Descriptions
Connector
Reference
Label
Designator
LAMP
J1
LAMP HEATER
J2
INTF
J3
Pin
Signal
Description
2
Gas D Solenoid Control
1
+24V
2
Gas E Solenoid Control
1
+24V
2
Gas F Solenoid Control
1
+24V
2
Z – A Solenoid Control
1
+24V
2
EXT/INT Solenoid Control
Pin
Signal
Description
1
Ozonator Lamp Voltage Out
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
Thermo Fisher Scientific
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Troubleshooting
