Features & Operating Controls - Wells M227 Owner's Manual

FEATURES & OPERATING CONTROLS
INDICATOR
LIGHT
TEMPERATURE
CONTROL
KNOB
IMPORTANT:
DO NOT LEAVE ON
"PREHEAT"
Unit may cycle on hi-limit
control, leading to premature
failure of the hi-limit controls
device.
WELLSLOKS
WATER LEVEL
SENSOR
E L
E V
R L
T E
W A
A. THERMOSTAT
1. On thermostatically controlled warmers, power is applied to the
heating element according to the control knob position and the actual
temperature at the temperature sensing thermobulb.
2. The desired temperature is controlled by rotating the temperature
control knob. The knob has a numeric scale, where higher numbers
correspond to higher temperature.
3. On warmers equipped with an indicator light, the light will glow when
the thermostat is calling for heat (i.e. the element is energized).
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4. The TEMPERATURE CONTROL KNOB will rotate approximately 300º,
and will reach a "stop" at both ends.
The OFF position is marked.
NOTE: The dial position is an indication of the temperature setting. Actual
temperature will vary depending upon the type of product and food
consistency.
A. INFINITE SWITCH
1. On INFINITE SWITCH CONTROLLED warmers, power is applied to
the heating element based on the control knob position, which varies
the duty cycle of the heating element.
2. The desired temperature is controlled by rotating the TEMPERATURE
CONTROL KNOB. The knob may have a numeric scale, where
higher numbers correspond to higher temperature. LO is the lowest
temperature setting; PREHEAT is a "continuous on" setting. Infinite
switch controlled warmers are equipped with a hi-limit device to prevent
overheating. The hi-limit will self-reset after the warmer has cooled.
3. On warmers equipped with an INDICATOR LIGHT, the light will glow
when the infinite switch is in any position other than OFF.
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4. The TEMPERATURE CONTROL KNOB will rotate without stopping,
with PREHEAT and OFF having obvious detents.The OFF position is a
"positive" OFF (i.e. the switch is positively held in the open position).
NOTE: An infinite switch controls temperature by varying the ratio of "on"
time to "off" time. Thus, no temperature sensing devise is required.
B. MOUNTING
1. MOD-series built-in warmers may are equipped with wellsloks, uniquely
designed turnout tabs which help secure the warmer top flange to the
countertop.
2. See the Installation Instructions, supplied with the particular appliance.
C. DRAINS
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1. Models wih a "D" (e.g. M200TD) have drains for each pan, with each
pan having an individual drain valve.
2. Models with a "DM" units (e.g. M200TDM) have the individual drain lines
manifolded together, with a single drain valve for the entire manifold.
D. AUTOFILL
1. On AUTOFILL units, water level is automatically fed into the
"master" pan whenever that pan's thermostat is ON .
2. Water level is sensed by a WATER LEVEL PROBE in the "master" pan.
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