Campbell Scientific CPEC200 Closed-Path Eddy-Covariance System - Manual (Page 9)

Table of Contents
G. CPEC200 Scrub Module Installation, Operation
and Maintenance .................................................. G-1
G.1 Theory of Operation ........................................................................ G-1
G.2 Scrub Module Specifications .......................................................... G-2
G.3 Installation ....................................................................................... G-2
G.4 Maintenance .................................................................................... G-3
H. CPEC200 Pump Replacement ................................ H-1
H.1 Introduction ..................................................................................... H-1
H.2 Removal .......................................................................................... H-1
H.3 Installation ....................................................................................... H-4
Figures
4-1. EC155 closed-path CO2/H2O gas analyzer ......................................... 2
4-2. EC100 electronics module ................................................................... 3
4-3. CPEC200 system enclosure ................................................................. 3
4-4. CPEC200 pump module ....................................................................... 4
4-5. CR3000 datalogger ............................................................................... 5
4-6. NL115 (left) and CFM100 (right) ........................................................ 5
4-7. CFMC2G 2GB CompactFlash® memory card .................................... 5
4-8. CPEC200 valve module ....................................................................... 6
4-9. CSAT3A sonic anemometer head ........................................................ 7
4-10. CPEC200 scrub module ....................................................................... 9
4-11. 17752 USB memory card reader/writer ............................................. 10
4-12. Intake filter of EC155 ......................................................................... 11
4-13. Single desiccant pack ......................................................................... 11
4-14. Humidity indicator card ..................................................................... 12
4-15. Diaphragm pump used in CPEC200 .................................................. 12
4-16. EC155 gas analyzer ............................................................................ 13
4-17. CSAT3A sonic anemometer head ...................................................... 14
5-1. CPEC200 enclosure, pump module, and EC100 mounted to legs
of CM110-series tripod ................................................................... 19
5-2. CM210 mounting bracket on a tripod mast ........................................ 20
5-3. Mounting of EC155 and CSAT3A ..................................................... 20
5-4. Plumbing connections ........................................................................ 21
5-5. Connecting pump tube from EC155 analyzer to pump module ......... 22
5-6. Enclosure and tripod grounded to a copper-clad grounding rod ........ 24
5-7. EC155 electrical connections (mounting hardware not shown) ......... 24
5-8. Wiring of power and communications ............................................... 25
5-9. Wiring to EC100 electronics .............................................................. 26
5-10. Wiring to CPEC200 enclosure ........................................................... 26
E-1. Swagelok ® insert .............................................................................. E-3
E-2. Front and back Swagelok ® ferrules .................................................. E-3
E-3. Swagelok ® plug ................................................................................ E-4
E-4. Swagelok ® cap ................................................................................. E-4
F-1. Peripheral mounting kit installed in CPEC200 enclosure ................ F-1
F-2. Power supply in mounting bracket ................................................... F-2
F-3. Secured power supply in mounting bracket ..................................... F-2
F-4. Connections for the power supply in CPEC200 enclosure ............... F-3
F-5. Powered supply in CPEC200 enclosure ........................................... F-3
G-1. CPEC200 scrub module .................................................................. G-1
G-2. Scrub module interior ...................................................................... G-3
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