96
7.
OUTLINE OF CONTROL CIRCUIT
NO.
ITEM
OUTLINE OF SPECIFICATION
REMARKS
Duplicate Release
A subsequent release signal ON reduces the fan speed by
one wave/minute and continues to do so while release
signal stays ON. (Min.speed=fan off)
When release signal OFF is transmitted then after 1
minute fan speed will be increased by one wave every
minute, until Te>5
˚
C.
Reset operation
When Reset operation:
When the fan speed returns to maximum and the Te
temp is <5
˚
C then the operation goes back to normal,
and the fan speed is held constant.
ON
OFF
ON
OFF
1st
2nd
1min
1min
1min
1min
Te >5
o
C
Te >5
o
C
Fan OFF
TC release
(ON@54
o
C)
(OFF@52
o
C)
Fan speed
(16 waves)
If Te <5
o
C then fan speed + 1wave/minute
If Te >5
o
C then fan speed held
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