Campbell CMP6-L, Instruction Manual

Page: 40 / 42

CMP6-L, CMP10-L, CMP11-L, and CMP21-L Pyranometers
A-7
A.4 Wiring
Wiring of the CVF3 is shown in Table A-1. Refer to Section 7.2, Wiring, for
information about wiring the pyranometer.
Table A-1 CVF3 Wiring
TABLE A-2 CVF3 Wiring
Wire Color Description Connection
Red Ventilator Power +12V on Power Supply
Brown Ventilator Power +12V on Power Supply
Blue Heater/Ventilator Ground G on Power Supply
Black Heater/Ventilator Ground G on Power Supply
Gray Heater/Ventilator Ground G on Power Supply
Green 5 W Heater Power +12V on Power Supply
White 5 W Heater Power +12V on Power Supply
Clear Shield on Power Supply
Yellow 5 V Tacho Output Control port on datalogger
TABLE A-2. CVF4 Wiring
Wire Color Description Connection
Red Ventilator Power +12V @ 0.4A
Blue 5 W Heater Power +12V @ 0.5A
Green Heater/Ventilator Ground G on Power Supply
Clear Shield on Power Supply
Yellow 5 V Tacho Output Control port on datalogger
A.5 Maintenance
A.5.1 CVF3
1. Refer to Section 8, Maintenance , for the pyranometer’s maintenance.
2. Inspect the area directly under the 120 mm diameter hole in the mounting
plate to ensure that it is free from leaves, snow, or other obstructions that
can inhibit air flow.
3. Unclip the CVF3 ’s filter cover and check the filters (see Figure A-9).
4. Replace filters as needed.