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Model HCS-2/HCW-3/HCW-5/HCW-8
Fig. Item Description Function
No. No.
3-10 13 Water Control A three-position switch with center position being OFF;
Switch in the position marked AUTOMATIC (up), the water
level in the unit will be controlled by the float switch; in
the position marked MANUAL (down), the 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
3-10 14 Water Light A light operated directly by the float switch, which when
illuminated, indicates low water conditions no matter
what position the water control switch is in
3-10 15 Thermometer Indicates the water temperature
3-10 16 Water Thermostat An electro-mechanical device used to regulate the
water temperature
3-10 17 Power Switch A two-position, three pole switch used to turn on and
off the heat and water control systems
3-10 18 Power Light A light, when illuminated, indicating when the power
switch is on and the heat and water system controls are
energized; if the power light goes out during normal
operation, this means the water pan high temperature
limit has opened indicating that the unit is out of water
3-10 19 Radiant Heat A time proportioning controller, which means the higher
Infinite Regulator the number setting, the greater percentage of time the
radiant heat will be on
3-10 20 Light Switch A two-position, two pole switch used to turn the lights
ON and OFF
3-10 21 Light Fuse Holder A 15 amp protective device for the lighting circuit, that
must be replaced by a fuse of the same size and rating
103 3-5
3-2. OPERATING CONTROLS (Continued)