7.0 INDICATOR LIGHTS
7.1 MAINS SYSTEM LIGHTS - These can be viewed through the window in
front of the control module ( see figure below).
MAINS LIGHT - Shows that power is being fed to the module, i.e. the isolator
is ‘on’.
SEQUENCE RUN LIGHT - Indicates that a sequence has been started.
SEQUENCE FINISH LIGHT - Indicates that the sequence has been completed.
Note the “RUN” light will still also be on.
START DELAY LIGHT - When a sequence is started the recirculation and
dehumidifier fans start immediately. However there is an in built delay shown
by this light before the stages start to time out.
7.2 STAGE SEQUENCE LIGHTS. - These can be viewed through the windows
in front of the control module. (see figure below).
STAGE OVERRIDE/AUTO LIGHT - There is one of these amber lights for each
stage (ie 4 or 6) and they wil illuminate when that particular stage is timing out.
MAINS
SUPPLY
SEQUENCE
RUNNING
SEQUENCE
FINISHED
START
DELAY
RED
GREEN
WHITE
AMBER
STAGE 1
RUNNING
STAGE 2
RUNNING
OVERRIDE
OVERRIDE
OVERRIDE
OVERRIDE
AMBER
AMBER
AMBER
AMBER
STAGE 3
RUNNING
STAGE 4
RUNNING
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261001 ISSUE 11
DH334BH & STAGE CONTROL MODULES TECHNICAL MANUAL MANUAL