MTA MCCY-CY013 301, Operating And Maintenance Manual

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OPERATING AND MAINTENANCE MANUAL
Quick guide
MCCY - CY 013÷301
2
ENGLISH
EN
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.
0.4.2 Symbols and leds on the display
0.4.3 Access to “Pr1” parameters (User level)
To enter the menu of “ Pr1 ” parameters which can be access by the user:
1. Press for some seconds
-
+
'
buttons (
5
and start flashing), in the upper part of the display appears “ ALL ”,
the first group of parameters.
2. Select the various groups using
(
and
'
buttons.
3. After selecting a group, press
-
button: if the selected group is part of the selected menu or any parameter of this
group has been moved in this menu, in the lower part of the display it appears the “Label” and the code of the
group’s first parameter present in “
Pr1 ”, its value appears in the upper part of the display.
It will not be possible to enter a parameter’s group which is not part of this menu.
4. It is possible to scroll or modify the parameters contained in the group.
0.4.4 How to modify a parameter’s value
1. Enter the programming procedure.
2. Select the desired parameter.
3. Press
,
button to enable the value’s adjustment.
4. Modify the value by means of
(
and
'
buttons.
5. Press
,
to store the new value and to pass to the code of the following parameter.
6. To exit the procedure: Press
,
+
(
when a parameter is displayed, or wait (about 240 seconds) without pressing
any button.
NOTE
The new value is stored also when the programming procedure is terminated for “time out”, without pressing
-
button.
ATTENTION
It is possible to modify the value of parameters contained in CF group (Configuration parameters) only when unit is in
stand-by.
0 . 5 I n s t a l l a t i o n o f t h e M C C Y m o t o c o n d e n s i n g u n i t
To install the motocondensing units follow the instructions in paragraph 5.8 “Cooling circuit connections in MCCY
motocondensing units” and consult the enclosed diagram.
LED LED STATUS MEANING LED LED STATUS MEANING
4
Steady Unit on in heat pump modality
5
Steady Defrosting enabled
Steady Unit on in chiller modality
5
Unlit
Defrosting disabled or
terminated
5
Flashing
Programming phase (if flashes
together with
led)
Clock adjustment
5
Flashing Time to defrost starting