Ventilator Control and Drive Theory of Operation
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J3
PIN NAME FUNCTION
1. RET Heater Power Ground
2. DQ Sensor signal
3. 24V Heater Output
Test point definition
DESIGNATOR NAME FUNCTION
T10 GND Power Ground
T1 5V Controller Power
T7 24V Heater Power input
T9 POUT Heater Output
Indicating lamp definition
DESIGNATOR STATUS FUNCTION
LT2 RED Heater Output available
LT3 GREEN Heater Ready