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Model CW-216/CW-114
Fig. Item
No. No. Description Function
3-1 1 Water valve An electrical solenoid valve energized by the float switch or the
water control switch (in manual position); when open, it allows
water to flow into the water pan
3-1 2 Water strainer A filter to prevent particles from plugging the water valve
3-1 3 Contactor The relay that directs power to the water heaters
3-1 4 Relay Shuts the heat off to the water pan when a low water
condition is sensed by the float switch
3-2 5 Radiant heater A long tubular heater mounted in a reflector located in the ceiling
panel of the unit
3-3 6 Hi-limit thermostat A safety device mounted to the bottom of the water pan which
detects an over temperature condition if the water pan runs dry
3-4 8 Water pan insert Holds the pans in place over the water
3-5 9 Pan support-top Tilts the pans used in the top toward the customer side of the unit
3-6 10 Light bulb A 60 watt rated long-life bulb that should be replaced by a bulb of
the same rating
3-7 11 Lamp socket A high temperature ceramic socket for holding the light bulb
3-8 12 Tinted glass panel Specially tempered colored glass with a thin film of silicone that
protect the light bulbs and colors the light
3-9 13 Water control switch A three-position switch on which the center position is off; in the
position marked AUTOMATIC (up), water level in the unit will
be controlled by the float switch; in the position marked MANUAL
(down), water valve is opened directly by the switch; the
MANUAL position is spring loaded so that the water valve will
close when the switch is released
3-9 14 Water light A light, operated directly by the float switch, that indicates low
water conditions, regardless of the position of the water control
switch; the low water level is indicated when the light is illuminated
3-9 15 Thermometer Indicates the water temperature
3-9 16 Water Thermostat An electro-mechanical device used to regulate the water
temperature
3-9 17 Power Switch A two-position, three pole switch used to turn on and off the heat
and water control systems
3-4 1107
3-2. OPERATING CONTROLS (Continued)