6200 series Operations Manual
Rev D 2/14/2012
Page 32 of 60
Controlling the Optional Fluorescent Lights (LGHT301 & LGHT305)
The diurnal chamber comes with a fluorescent lighting system used to simulate day
and night testing. There are separate temperature and humidity (optional) set-points
that correspond with the lights on (day) and lights off (night). The set-points can also
be made the same if continuous conditions are needed throughout the light cycles.
The diurnal lighting system consists of separate light banks. Each light bank has two
lamps and is mounted on the underside of a shelf. The banks can be located on the
same or separate shelves. Each light bank has a corresponding switch that enables
that light bank to come on when the timer is on. The 6220 series have three
independent controls while the 6240 series have two. Only the light banks that have
their individual switch turned on will illuminate. The green indicator light above the light
bank switch signifies when each light bank is on.
The timer can be used to trigger an event in a profile to switch between two set-points
(if programmed accordingly).
6220 Series
Individual
Light Bank
switches
Light Power
Switch
Light Bank
Indicators
Light Cycle
Timer
6240 Series
