OPERATING AND MAINTENANCE MANUAL
Chapter 7 - Electronic controller
TAEevo Tech 015÷802 60 Hz UL
39
The data in this manual are not binding and they can be modified by the manufacturer without notice.
Reproduction of this manual is strictly prohibited
EN
ENGLISH
7 . 1 1
A l a r m s
The electronic controller manages the display, reset and logging of a large number of alarms.
7 . 1 1 . 1
A l a r m s d i s p l a y a n d r e s e t
( A L r M f u n c t i o n )
ATTENTION
With this procedure you can reset all the alarms except for the compressor thermal cut-out alarms for which the
password will be required: 14.
To open the functions menu proceed as follows:
•
Open the functions menu by pressing
•
With the
or
buttons select the
ALrM
function
•
Press
.
If no alarms are present, pressing
is not enabled.
•
The lower display shows the label with the alarm; the upper display, if the alarm displayed is resettable, shows
the label
rSt
or
no
if the alarm condition is still present.
•
Pressing
in correspondence with label
rSt
resets the alarm and the system goes to the next one; if this too
is resettable, press
to reset it and go to the next one.
•
If you want to scroll through all the alarms present press
or
.
To exit the
ALrM
function and return to normal display mode press
or wait for the time-out.
With the unit in
StbY
(stand-by) and the
LED flashing, press
and scroll with
or
to select the
ALrM
function
and press button
to display the active alarm.
7 . 1 1 . 2
H o w t o m u t e t h e b u z z e r
The controller emits an audible signal to alert the operator to the presence of alarms (buzzer).
The buzzer is muted in the following ways:
•
Automatic muting:
the buzzer is muted when the situation that caused the alarm ceases.
•
Manual muting:
press and release one of the buttons; the buzzer will be muted even if the alarm condition
persists.
7 . 1 1 . 3
G e n e r a l a l a r m s l i s t
Alarm codes and indications are composed of letters and numbers that identify different alarm types.
The first letter of the alarm label identifies the type as follows:
•
Letter
A
= unit alarm
•
Letter
b
= circuit alarm
•
Letter
C
= compressor alarm
The following tables contain a description of the alarms managed by the electronic circuit board. Some of the alarms
mentioned may not be referable to all unit models.
Outputs block
COD
.
ala
r
m
Alarm
Des
cription
Alarm reset
Alarm Trip
Compressor
Pump
Fan
Heaters
AP1
Probe
PB1
fault alarm
A
I
X
X
X(1)
AP2
Probe
PB2
fault alarm
A
I
X
X
X(1)
AP3
Probe
PB3
fault alarm
A
I
X
X
X(1)
AP4
Probe
PB4
fault alarm
A
I
X
X
X(1)
AP5
Probe
PB5
fault alarm
A
I
X
X
X(1)
AP6
Probe
PB6
fault alarm
A
I
X
X
X(1)
APE1
Probe
PB1
.. Probe
Pb8
of I/O expansion
A
I
X
X
X
APE2
Probe
PB1
.. Probe
Pb8
of I/O expansion
A
I
X
X
X
APE3
Probe
PB1
.. Probe
Pb8
of I/O expansion
A
I
X
X
X
APE4
Probe
PB1
.. Probe
Pb8
of I/O expansion
A
I
X
X
X
APE5
Probe
PB1
.. Probe
Pb8
of I/O expansion
A
I
X
X
X
APE6
Probe
PB1
.. Probe
Pb8
of I/O expansion
A
I
X
X
X
APE7
Probe
PB1
.. Probe
Pb8
of I/O expansion
A
I
X
X
X
APE8
Probe
PB1
.. Probe
Pb8
of I/O expansion
A
I
X
X
X
AEFL
Level sensor and/or flow meter alarm
A/M R
X
X(2)
X
X