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ALB21
ALG01
ALG02
ALG03
ALT15
ALT19
ALT20
ALT21
ALT17
ALT18
ALW10
ALW24
Pag. 28-EN
Description
Blocking alarm for high pressure
prevent.
When GC pressure rises above the
prevent threshold the compressor
speed is reduced up to switch off
the compressor. The threshold is
settable in mask Hb01
Al_Clock.
No communication between CPU
and Internal clock
Extended memory error. Faulty
controller
Unreliable condition because of no
MPXPRO connected. The unit will
switch OFF in xx hours.
System shut off the unit when some
controller for evaporators have
been configured in fieldbus but
they result off-line
Low shuperheat alarm.
Low SH alarm settable by mask
Cae30 (threshold and delay). A
warning for Low SH will be issued
without any delay
DSH Low liquid flowback.
This alarm occurs when suction SH
is lower than 0 K AND discharge SH
(DSH) is lower than 10 K for a
period higher than the one set in
mask Cae41
HPV Valve position warning.
HPV valve opening is higher that a
threshold for a certain time
(settable by mask Fhb30)
RPRV valve opening is higher thnt a
threshold for a certain time
(settable by mask Fhb31)
Warning setpoint HPV. Gas cooler
press.too low/high, different from
current setpoint.
Difference between Gas Cooler
Pressure and HPV setpoint is
greater than the threshold set on
mask Fhb20 (disabled by default).
High receiver pressure alarm.
Receiver Pressure higher than
alarm threshold settable by mask
Fhb28
Warning low superheat.
Suction SH of MT/LT compressor
lower than alarm threshold (set on
mask Cae30). No delay is used to
issue the warning.
Power plus device offline.
No communication between HECU
OEM Manual – CUBO
Serious
Normal
Action
alarm
alarm
Decrease the compressor
x
speed and after a delay
Shut off the compressor
Disable all functions
x
involving scheduler
x
Shut off the unit
x
Shut off the unit
No action (by default). A
x
compressor shut off can be
configured by mask Cae30
x
Shut off compressor
x
No action
x
No action
x
No action
Shut off compressor
(according to configuration
x
made in mask Cbe42 and
Fhb28)
No action (it is just a
x
warning)
x
Shut Off compressor
AQUA
2
Delay
Reset
Automatic
No delay
/ manual
No delay
---
No delay
---
---
---
Automatic
Settable
/ manual
by mask
(settable
Cae30
by mask
Cae30)
Settable
Automatic
by mask
/ manual
Cae41
(default)
Settable
by mask
Automatic
Fhb30
Settable
Automatic
by mask
Fhb31
Settable
by mask
Automatic
Fhb20
Settable
by mask
Automatic
Fhb28
No delay
Automatic
No delay
Automatic
UMT/WG T MT Rev3.0 – 08/10/2021
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