dIXEL IPC400D SERIES - Electronic Thermostatic Valve Management Driver; Driver Module LEDs Meaning;Working

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USER MANUAL – Release 1.2 of 01/01/2010 Page 59 of 191
Version: 02/03/2010
10. ELECTRONIC THERMOSTATIC VALVE MANAGEMENT DRIVER
The XEV20D module is a driver for motorised electronic thermostatic valves (Stepper) of both the bipolar
and unipolar type.
Up to 4 driver modules XEV20D can be connected to the iPro.CHILL for driving up to 8 electronic expansion
valves.
Their address (configured via DIP switches) must be between 1 (Driver number 1) to 4 (Driver number 4) and
must be consecutive, that is if 2 modules are configured they must have addresses 1 and 2.
10.1 DRIVER MODULE LEDS MEANING/WORKING
The following table gives the working mode of the LEDs
LED
MODE
MEANING
PWR ON
On
Module powered
ALARM
On fixed
Indicates the presence of a general alarm situation
TX/RX
Flashing
CAN Bus or LAN, communication active
TX/RX
Fixed
No communication
OPEN V1
Flashing
Indicates that valve 1 is opening
OPEN V1
Fixed
Indicates that valve 1 is completely open
CLOSE V1
Flashing
Indicates that valve 1 is closing
CLOSE V1
Fixed
Indicates that valve 1 is completely closed
OPEN V2
Flashing
Indicates that valve 2 is opening
OPEN V2
Fixed
Indicates that valve 2 is completely open
CLOSE V2
Flashing
Indicates that valve 2 is closing
CLOSE V2
Fixed
Indicates that valve 2 is completely closed