16
OPERATING AND MAINTENANCE MANUAL
Chapter 7 - Electronic Board
TAE K15÷K20
The data in this manual are not binding and may be changed by the manufacturer without notice.
Reproduction of this manual, even partial, is strictly prohibited.
7.2.1 F unctio n of comb ined button s
7 . 3
S y m b o l s a n d l e d s o n t h e d i s p l a y
7 . 4
R e m o t e t e r m i n a l
7.4.1 F unctio n of but tons
If there is no communication between the unit and the remote terminal, in the top part of the
display it appears the message “
!"#
” (no link).
NOTE
The displaying depends on the setting of parameter
CF43-CF44
(see chapter 7.9 “
Values displayed”
).
7 . 5
D i s p l a y i n g d u r i n g a n a l a r m
BUTTONS
FUNCTION
35
+
54
To enter programming phase (pressed for 5 sec).
25
+
54
To exit programming phase.
25
+
54
If pressed for more than 5 seconds they allow to start a manual defrosting cycle (function not present).
LED
LED STATUS
MEANING
LED
LED STATUS
MEANING
6
Not enabled
7
Not enabled
#
Steady
Unit on in chiller modality
7
Not enabled
7
Flashing
Programming phase (if flashes
together with
#
led)
,
Clock adjustment
7
Not enabled
BUTTON
FUNCTION
8
It allows to enter Function Menu.
9
If pressed for 5 sec., it allows to display or modify the set point.
During programming phase it selects a parameter or confirms a value.
:
It selects water temperature in the top part of the display.
During programming phase it scrolls the parameter’s codes or increases their
values.
;
It selects water temperature in the top part of the display.
During programming phase it scrolls the parameter’s codes or decreases their
values.
<
If pressed for 5 seconds it allows to switch on or off the unit.
=
Not enabled
During normal operation (no alarm), when an alarm occurs the alarm
code and the appropriate icon flash in the bottom part of the display,
alternated to the temperature / pressure.