Troubleshooting
Service Locations
Thermo Fisher Scientific Model 49i Primary Standard Instruction Manual 5-21
Service Locations For additional assistance, Thermo Fisher Scientific has service available
from exclusive distributors worldwide. Contact one of the phone numbers
below for product support and technical information or visit us on the web
at www.thermo.com/aqi.
1-866-282-0430 Toll Free
1-508-520-0430 International
3 Photometer Heater Thermistor
4 +24V
5 Ground
6 Photometer Lamp On/off Control
7 Ground
8 Ground
Table 5-9. Photometer Power Supply Connector Pin Descriptions, continued
Connector
Label
Reference
Designator
Pin Signal
Description
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