Delta Elec. Inc.
Vivitek
rev.00
Company Confidential VIVITEK_______________________ Delta____________
77
2008/07/28
7-3. Bimetal
There are two bimetal inside of the projector to detect the lamp temperature rising abnormally.
When the lamp1 temperature reaches near 110
˚
C or lamp2 temperature reaches near 130
˚
C,
the bimetal opens to stop the operation of the power supply circuit.
The bimetal will automatically return to normal condition, when the lamp temperature becomes
normal (about lamp1=85
˚
C, lamp2=105
˚
C).