Delta HEX080PD Series, Инструкция по эксплуатации

Страница: 7 / 12

HEX080PD Heat Exchanger Instruction Manual
Page 4
Definition N. O N. C
Connection Pin 3 , 4 Pin 5 , 4
Control board, NTC and fan are in
normal status
OPEN CLOSE
Power-off or control board is disabled CLOSE OPEN
NTC resistance is over range such as
“open circuit” or “short circuit”
CLOSE OPEN
Fan speed is lower than 50% of
definition or fan is locked
CLOSE OPEN
LED indicator
Fan NTC sensor
Normal GREEN GREEN
Abnormal or failed RED Blinking RED
4-2. Standalone control mode
HEX can detect ambient temperature to control cooling capacity .
Internal fan and external fan speed default settings are shown below
Full speed : 3150 RPM ± 10%
Half speed : 1450RPM ± 200RPM