68
UF-5500 / 4500
2. Safety Protection
a. 2 thermostats are provided with the unit, and the heater circuit is shut down when their surface temperatures became over
320
°
F (160
°
C).
b. The heater control circuit of IC300 has the built-in function that the hardware turns off the heater control automatically if
the software does not keep turning ON the heater every a fixed time.
c. When the temperature became over 482
°
F (250
°
C), the heater control circuit of IC300 is turned off forcedly and system
reset will be executed.
Summary of Contents for UF-5500
Page 180: ...180 UF 5500 4500...
Page 248: ...248 UF 5500 4500 13 5 Test Chart 13 5 1 ITU T No 1 Test Chart...
Page 249: ...249 UF 5500 4500 13 5 2 ITU T No 2 Test Chart...
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Page 287: ...287 UF 5500 4500 130 131 132 133 134 135 136 137 138 139 140 141 PCB2 A UF 5500 only CN1...
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