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3-2. OPERATING CONTROLS (Continued)
Fig.
Item
No.
No.
3-1
1
Water Strainer
3-2
2
Water Valve
3-3
3
Water Pan
3-3
4
Baffles
3-4
5
Float Switch
3-5
6
Solid State Time
Delay Relay
3-6
7
Blower
3-7
8
Heater
3-7
9
High Limit
3-8
10
Thermostat
3-9
11
Thermometer
3-9
12
Power Switch
3-9
13
Power Light
3-9
14
Water Light
3-9
15
Heat Light
3-10
16
Fan
203
Description
A filter preventing particles from entering the water line
and blocking the water valve
A valve, opened by the float switch, that allows water
to flow into the water pan
Holds the water for creating humidity inside the cabinet
Metal plates placed in the water pan to transfer heat to
the water to create humidity
An electromechanical level switch controlling the water
level in the water pan
Used to reduce the electrical load on the float switch
and provide an automatic delay of 10 seconds to avoid
overflowing the water pan
Circulates air up from the cabinet, through the heater
coils, and water baffles, and back down into the
cabinet
An 810 watt, open coil type heater
A safety device mounted on the heater plate which
protects the unit from overheating
An electromechanical device controlling the
temperature inside the cabinet
Indicates the temperature inside the cabinet
Controls electrical current to the cabinet
When lit, indicates the power switch is on, and that the
components have electrical current supplied to them
When lit, indicates the float switch is calling for water
When lit, indicates the thermostat is calling for heat
Circulates fresh air around the operating components
Model HCH-930/932
Function
3-3
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