Thermo Scientific 49i Instruction Manual page 15

Figures
Figures
Model 49i Flow Schematic ......................................................1-3
Remove the Packing Material ..................................................2-2
Remove the Shipping Screws ...................................................2-2
Model 49i Rear Panel ..............................................................2-4
Atmospheric Dump Bypass Plumbing .....................................2-4
I/O Terminal Board Views ......................................................2-6
D/O Terminal Board Views ....................................................2-7
25-Pin Terminal Board Views .................................................2-8
49i Front Panel Display ...........................................................3-2
Front Panel Pushbuttons .........................................................3-3
Flowchart of Menu-Driven Software .......................................3-5
Pin-Out of Rear Panel Connector in Single Range Mode ........3-9
Pin-Out of Rear Panel Connector in Dual Range Mode ........3-10
Analog Output in Auto Range Mode ....................................3-12
Pin-Out of Rear Panel Connector in Auto Range Mode ........3-13
Model 49i Connected as Calibrator .........................................4-3
Model 49i Connected to Calibration Photometer
and External Ozonator ............................................................4-9
Ozonator Flow Scheme .........................................................4-13
Capillary Location ...................................................................5-6
Rebuilding the Pump ..............................................................5-7
Board-Level Connection Diagram - Common Electronics .......6-6
Board-Level Connection Diagram - Measurement System ......6-7
Properly Grounded Antistatic Wrist Strap ...............................7-4
Component Layout .................................................................7-7
Removing the Measurement Bench and
Lowering the Partition Panel ...................................................7-8
Replacing the Pump ..............................................................7-10
Replacing a Fan .....................................................................7-12
Rear Panel Analog Input and Output Pins ............................7-13
Replacing the I/O Expansion Board (Optional) ....................7-18
Rear Panel Board Connectors ................................................7-19
Replacing the Measurement Interface Board .........................7-22
Replacing the Front Panel Board and the LCD Module ........7-23
Replacing the Optical Bench .................................................7-25
Replacing the Detectors .........................................................7-30
Ozonator Board Location ......................................................7-39
Hardware Components ...........................................................8-2
Rack Mount Option Assembly ................................................9-5
Bench Mounting .....................................................................9-6
EIA Rack Mounting ................................................................9-7
Retrofit Rack Mounting ..........................................................9-8
Thermo Fisher Scientific Model 49i Instruction Manual xv