Service Indicator Lights - Wells WV-4HF Supplemental Service Instructions

HOOD SECTION - SERVICE INDICATOR LIGHTS
POWER SWITCH
INDICATOR LIGHT
(GREEN) VENTILATOR
POWER ON
INDICATOR LIGHT
(AMBER) CHECK
FILTERS (POSITION)
INDICATOR LIGHT
(AMBER) REPLACE
PREFILTER
INDICATOR LIGHT
(AMBER) REPLACE
FILTER PACK
INDICATOR LIGHT
(RED) SERVICE
REQUIRED
Energizes the ventilator section. When all three
filters are sensed as being in their proper position,
and sufficient airflow is proven, the cooking
appliance contactor is energized.
When lit, indicates that electrical power is available,
and that the power switch (V.01) is turned ON.
When lit, indicates that the BAFFLE, PRE-FILTER
and/or FILTER PACK is not in its proper position,
or that an interlock switch is out of adjustment.
Controlled by: Plunger switches position monitors
for Filter Pack and Grease Baffle; and, vacuum
switch S3 for Pre-Filter.
When lit, indicates that the pre-filter is approaching
the end of its service life.
ALWAYS HAVE A SPARE PRE-FILTER ON
HAND FOR QUICK REPLACEMENT.
Controlled by vacuum switch S1.
When lit, indicates that the filter pack is approaching
the end of its service life.
REPLACE FILTER PACK PROMPTLY!
Controlled by vacuum switch S2.
Indicates that either the pre-filter or the filter pack is
individually clogged (the individual indicator light
may be lit), or that the the airflow drop across both
filters is critical. As a cost saving measure, always
change a dirty pre-filter first (when lights V.04 &
V.05 are not lit, and red light V.06 is on).
Note: Power to the cooking appliance will be
de-energized whenever this RED "SERVICE
REQUIRED" indicator light is lit. When lit, the air
flow is insufficient to meet appliance vapor capture
levels requirements.
Controlled by vacuum switch S4.
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