Emerson KHZ506, Руководство пользователя

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LED Display Description
1
(Yellow Green)
LED Blinking Pattern Indicates DLT Sensor Status
2
(Yellow Green)
LED2 and LED3 Combination and Blinking Patterns Indicate EXV Opening or Closing
3
(Yellow Green)
LED2 and LED3 Blink Once When Entering or Exiting EXV Manual Operation
4
(Red)
LED4 Turns on as an Alarm when Triggered by any of the following:
1) DLT overheat protection
2) DLT sensor open circuit
3) DLT sensor short circuit
Operation: Shift Between Auto Mode and Test Mode
•
Push “Up” and “Down” together for 5 seconds to shift between Control Mode and Auto Mode
•
LED2 and LED3 flashing together once means the shift is successful
Operate EXV Manually
•
Short Push (< 2s) “Up” or “Down” to open or close EXV by one step
•
Long Push “Up” and “Down” to open and close EXV rapidly
•
LED2 will flash when EXV is opening and will remain on when EXV is fully open
•
LED3 will flash when EXV is closing and will remain on when EXV reaches minimum opening
•
Push “Up” and “Down” together for 5 seconds to revert to Auto Mode
•
Board will automatically revert to Auto operation after 10 minutes from last manual button push
Diagnostic Function of the Board
LED1: Status Indicator of Discharge Line Temperature Sensor
LED4: Warning Signal
•
Overheat Protection
•
Sensor Failure, Circuit Open/Short
Opening Fully Open Closing Minimum Opening
LED 2 LED 3 LED 2 LED 3 LED 2 LED 3 LED 2 LED 3
Flash OFF ON OFF OFF Flash OFF ON
ON OFF
Warning Normal
6
Circuit Open/Short
Flash
Flash
Repeat
5 Seconds
3 Times 3 Times