Kipp & Zonen CV 2 User manual
INSTRUCTION MANUAL
Kipp
Zonen
&
VENTILATION UNIT
2
0349 200
1
INSTRUCTION MANUAL CV 2
Reading this entire manual is recommended for full
understanding of the use of this product
The exclamation mark within an equilateral triangle is intended to alert the user
to the presence of important operating and maintenance instructions in the
literature accompanying the instrument.
Should you have any comments on the product or this manual we will be
pleased to receive them at:
Kipp & Zonen B.V.
Röntgenweg 1 2624 BD Delft Holland
P.O. Box 507 2600 AM Delft Holland
Phone +31 (0)15 2698000
Fax +31 (0)15 2620351
E-mail
Kipp & Zonen reserve the right to make changes in the specifications without
prior notice.
WARRANTY AND LIABILITY
Kipp & Zonen guarantees that the product delivered has been thoroughly
tested to ensure that it meets its published specifications. The warranty
included in the conditions of delivery is valid only if the product has been
installed and used according to the instructions supplied by Kipp & Zonen.
User made modifications can affect the validity of the CE declaration.
Kipp & Zonen shall in no event be liable for incidental or consequential
damages, including without limitation, lost profits, loss of income, loss of
business opportunities, loss of use and other related exposures, however
caused, arising from the faulty and incorrect use of the product.
COPYRIGHT©2004 KIPP & ZONEN
All rights reserved. No part of this publication may be reproduced, stored in a
retrieval system or transmitted in any form or by any means, without
permission in written form from the company.
Manual version 1203
IMPORTANT USER INFORMATION
2
INSTRUCTION MANUAL CV 2
Declaration of Conformity
According to EC guideline 89/336/EEC 73/23/EEC
We Kipp & Zonen B.V.
Röntgenweg 1
2624 BD Delft
Declare under our sole responsibility that the product
Type: CV 2
Name: Ventilation unit
To which this declaration relates is in conformity with the following standards
Imissions EN 50082-1 Group standard
Emissions EN 50081-1 Group standard
EN 55022
Safety standard IEC 1010-1
Following the provisions of the directive
B.A.H. Dieterink
President
KIPP & ZONEN B.V.
3
INSTRUCTION MANUAL CV 2
IMPORTANT USER INFORMATION......................................... 1
CE DECLARATION OF CONFORMITY .................................... 2
1. GENERAL INFORMATION........................................................ 5
2. DELIVERY COMPLETE VENTILATION SYSTEM CV 2........... 7
3. SPECIFICATIONS CV 2 ............................................................ 9
4. INSTALLATION OF THE CV 2 ................................................ 11
4.1 General..................................................................................... 11
4.2 Measuring global radiation....................................................... 12
4.3 Measuring diffuse radiation...................................................... 13
5. INSTALLATION OF THE POWER SUPPLY FOR CV 2.......... 15
6. MAINTENANCE AND OPERATING ........................................ 17
7. TROUBLE SHOOTING............................................................ 19
8. PART NUMBERS / SPARE PARTS / OPTIONS..................... 21
TABLE OF CONTENTS
4
INSTRUCTION MANUAL CV 2
5
INSTRUCTION MANUAL CV 2
1. GENERAL INFORMATION
The CV 2 ventilation unit is meant for ventilating solar radiation sensors and
can be used outdoors under all weather conditions. The CV 2 is available with
and without heater. An optional power supply can order separately.
The reliability and accuracy of solar radiation measurement can be improved
by using artificial ventilation.
The main advantages of ventilating are:
1. Prevention of precipitation of dew and frost which otherwise
would disturb the measurement.
2. Suppression of the infrared offset, which is produced e.g. by
cooling down of the glass domes under calm clear sky conditions.
Under extreme conditions, it can be necessary to heat the ventilation air. If the
temperature of the ventilation air does not exceed the temperature of ambient
air by 1 K, offset problems are not significant.
The ventilation system CV 2 is meant to be used with the Kipp & Zonen
pyranometers (CM 11, CM 6B, CM 21 and CM 22) and with radiation sensors
with equal dimensions like the pyrgeometers (CG 1 and CG 4) and the UV-
radiometers (CUVA 1, CUVB 1, CUV 3).
The CV 2 can be ordered with or without heater. The optional power supply
can be used for both versions.
The ventilator of the CV 2 must run continuously. The heating can be
connected for 5 or 10 Watt. Without heating the temperature of the instrument
is maintained near to that of ambient air.
The ventilation unit is suited for placement on the 2AP Tracking system.
The ventilation system does not prevent the dome to become filthy.
The ISO Technical Report 9901 "Solar Energy - Field Pyranometers
Recommended Practice For Use" contains an informative chapter on
ventilation systems in general.
GENERAL INFORMATION
6
INSTRUCTION MANUAL CV 2
7
INSTRUCTION MANUAL CV 2
2. DELIVERY COMPLETE VENTILATION SYSTEM CV 2
CV 2 with heater 0349 901
Power supply for CV 2 (with heater) 0349 401
2 x bolt M6 x 90 2146 824
2 x bolt M5 x 50 0015 620
2 x nylon insulator 2147 249
2 x special screw 0015 621
2 x nut M6 6464 006
2 x lock washer M6 6487 006
2 x washer M6 6476 506
Instruction manual 0349 200
DELIVERY COMPLETE VENTILATION SYSTEM CV 2
8
INSTRUCTION MANUAL CV 2
9
INSTRUCTION MANUAL CV 2
3. SPECIFICATIONS CV 2
Ventilation power 5 Watt continuously
Heating (optional) 5 and 10 Watt
Ambient operating temperature -30 to +70 ºC
Air temperature rise
caused by CV 2
< 0.25 K @ 0 Watt (blower only)
< 0.5 K @ 5 Watt (heater)
< 1 K @ 10 Watt (heater)
Offset caused by heater (10 W) < 1 W/m
2
using Pyranometer CM 11
Cable length 10 m.
Power required 12 Volt DC, 1,25 A (with 10 W heater)
Figure 3.1 CV 2 outline dimensions in mm
SPECIFICATIONS CV 2
Table of contents
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