Components

Item No. Controls Description
1 Power Switch A toggle switch that switches electrical current to the unit.
2 Power Indicator Illuminates when the power switch is in the ON position and the components are energized.
3 Thermometer Indicates the air temperature inside the cabinet.
4 Heat Indicator Illuminates when the thermostat turns on the heaters.
5 Thermostat An electromechanical device that controls the temperature inside the cabinet.
6 Blower Motor Used to recirculate the hot humid air throughout the cabinet; there are two blower motor assemblies in the cabinets.
7 Heater Two, open-resistance, wire type heaters that provide heat throughout the cabinet; a standard full sized 120 VAC unit will have 1000 watt heaters; a standard full sized 240 VAC unit will have 1500 watt heaters; a standard 120V, HHC-903 unit will have 750 watt heaters.
8 High Limit A safety device mounted next to the heater which protects the unit from overheating.
9 Fuse A protective device that breaks the circuit when current exceeds the rated value; the fuse provides an overload protection for the electrical components; to remove the fuse, twist and pull the cap; the fuse is used only on the 120V/2000 watt units.
10 Water pan Holds the water for creating humidity in the cabinet.

11

Venting System (Units with vent adjustment only)

Controls the humidity levels in the cabinet.