BLOOMFIELD 600 사용자 설명서

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THEORY OF OPERATION (continued) 
Heat Control Diagram 
The heating elements are energized when line 
power is applied to the element terminals. 
 
Water temperature is sensed by a thermobulb  
inserted into the water tank.  This temperature 
signal is fed to the thermostat by a capillary tube.   
An increase in temperature causes an increase in 
pressure in the thermobulb.  This will cause the 
pressure diaphragm in the thermostat to open the 
line power contacts.  A decrease in temperature 
will similarly cause the pressure diaphragm to 
close the contacts. 
 
The setpoint (desired temperature) is adjustable 
by turning the thermostat shaft.  Turning the shaft 
1/8 turn will change the setpoint by approximately 
10ºF. 
 
The element is protected from over-temperature 
by a hi-limit thermostat, which breaks line power if 
the temperature exceeds 260ºF. 
 
The Ready-To-Brew light glows any time the  
thermostat is not calling for heat. 
BREW WATER TEMPERATURE CONTROL 
Typical Heating System Electrical Configuration