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UV420 Plasma Grow-Light User Guide
Introduction
Thank you for purchasing the Ceravision UV420 unit. This unit has a unique spectrum with unparalleled levels of UV-A and UV-B. The UV420
is designed to complement traditional PAR grow-lights. With a spectrum concentrated from 280 to 550nm, it delivers the UV-A and UV-B not
transmitted through greenhouse glass and not available from PAR lights.
Research has shown that plants benefit in many ways from timely exposure to UV-A and UV-B. UV induces photomorphogenic reactions in
most plants, enhancing the production of secondary metabolites that boost aroma, flavonoids, terpenes, colour, nutritional and medicinal values.
UV can also improve defences against insect and fungal infections.
The following is a guide to the installation, use and maintenance of the UV420 unit. Please read carefully before installation and only use the unit
in accordance with the directions in this guide.
Pack Contents
Ceravision UV420 unit fitted with 'Blue light & UV-A' glass filter (white frame):
1.
'Enhanced UV-B' glass filter (red frame); and
2.
3.
3-metre power cable.
A. Mounting Points
D. IEC Power Input Socket
F Alternate Filter
G. Reflector Mounting
I. Glass filter Retaining M4 Socket
This unit is not intended for general lighting purposes.
Fig 1: Exploded View of the UV420 Unit
B. Hanging Brackets
C. Fans
E. Heat Sink
H. Reflector Hinges
J. Glass filter
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Summary of Contents for Ceravision UV420
- Page 1 UV can also improve defences against insect and fungal infections. The following is a guide to the installation, use and maintenance of the UV420 unit. Please read carefully before installation and only use the unit in accordance with the directions in this guide.
- Page 2 This symbol indicates that parts of the fixture can reach very high temperatures (>85°Celsius). A cool down period is necessary before performing maintenance. With this symbol, Ceravision declares that this product complies with legal European requirements. This symbol indicates that any cracked protective shield must be replaced.
- Page 3 When the unit is switched-off and then on again, it will not attempt to automatically restrike until eight minutes have elapsed. Selecting Appropriate Glass Filter The UV420 is able to supply UV-A (315-400nm), UV-B (280-315nm) and visible light (400-800nm) radiation and is designed as a complementary lighting unit to be used alongside other light sources used for horticulture.
- Page 4 Copyright Ceravision Ceravision UV420 Fig 6: UV420 Spectrum - Relative Light Quantity 280nm to 800 nm. Fig 7: UV420 Spectrum - Relative Light Quantity 280nm to 400nm Changing the mounting height of the unit will change the area of coverage provided but also decrease the intensity of the UV and visible radiation (see Figure 8 below).
- Page 5 Working with UV Ceravision’s UV420 unit is an intense light source, which emits UV-A, UV-B and visible light. The unit should never be operated with the light source directly visible. The reflector housing and glass filter should always be correctly positioned and fitted in the unit at all times during its operation.
- Page 6 Disclaimer Ceravision does not authorise its products for use as a critical component where a malfunction or failure may reasonably be expected to result in significant injury to the user. Information in this publication is provided only for your assistance and is subject to change without notice. Please read in full prior to commencing installation and retain for future reference.