Metacentre VSD-R 4-20mA Box
Page 7
3. OPERATION
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1
2
3
4
10
5
6
7
8
9
3.1 User Interface
1) LCD
Display
2) No
Function
3) No
Function
4) RESET
Button
5) ESCAPE
Button
6)
UP, PLUS Button
7)
DOWN, MINUS Button
8) ENTER
Button
9)
VSD-R Box Active Indicator
10) FAULT
Indicator
3.2 Display
bar
psi
kPa
A
B
The primary display value (A) will continuously
show the detected ‘Delivery’ pressure.
The ‘User Menu’ item display (B) will show the
selected user menu item. Press UP or DOWN
to scroll through the display ‘items’ list.
3.2 Status Symbols
System Management Unit
(remote pressure control)
Flashing - system management unit ‘off’
or RS485 communications disrupted
(local pressure control)
Compressor Running (i-PCB)
Waiting for compressor to Run
Compressor Loaded (i-PCB)
Waiting for compressor to Load
Service Maintenance function active
Compressor ‘Not Ready’
VSD-R Box or VSD unit Fault or
Auxiliary Input Alarm/Trip
Compressor
Offload
Requesting compressor to Load
Requesting compressor to Offload
Loaded, Speed Regulation Control
3.3 Indicators
Run Indicator (Green LED)
OFF: Compressor Not Running
Flashing: Compressor Offload
ON: Compressor Loaded
Fault Indicator (Red LED)
OFF: No Fault
Flashing:
Fault
(see Fault Codes)
The VSD-R Box will report the compressor as
‘Not Available’ to the management system unit
when the VSD-R Box or VSD Panel is in a trip
fault condition.
