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18.03. 5719210_03
ANL / 290-650
EN
15. PROCEDURE FOR SELECTION OF SYSTEM TYPE
Several parameters of the MODU CONTROL board
have to be set, based on the type of system the unit is
installed.
These changes of parameters are summarised in the
table below to permit the installer to make the ap-
propriate selections.
15.1. HOW TO MODIFY A USER MENU
PARAMETER
To access the USER setting press the key and
confirm the password 000 pressing the key . The
display will show the parameters of the
USER
index
as three identifying characters; the index remains dis-
played for a second and then is replaced by the value
of the parameter it relates to.
To move to the following parameter use the arrow keys
. To modify a parameter press the key , modify the
value using the arrow keys and confirm the modifica-
tion pressing the key . To exit the menu press the
key
.
15.2. HOW TO MODIFY AN INSTALLER MENU
PARAMETER
To enter and modify the
INSTALLER
menu follow the
same procedure as the USER menu above.
Password INSTALLER menu: 030
QUESTION
ANSWER
WHAT TO DO
(1) What type of terminals are
installed in the heating circuit?
•
The unit is a cooling only model
•
Go to question 2
•
Radiant panels
•
Enter in parameter
StC
(index 3 menu USER) with the value of 35 °C
•
Fan coil units or low temperature
radiators
•
Enter in parameter
StC
(index 3 menu USER) with the value of 45 °C (default value)
•
Other applications
•
Enter in parameter
StC
(index 3 menu USER) with the value of 55 °C
(2) Is the remote control accessory
panel installed (PR3)?
•
Not installed
•
Go to question 3
•
Installed
•
Enter in parameter
PAN
(index 9 menu INSTALLER) with the appropriate value:
Value (1):
•
Season selection controlled from the chiller circuit board
•
ON/OFF control from the PR3
Value (2):
•
Season selection controlled from the PR3
•
ON/OFF control from the chiller circuit board
Value (3):
•
Season selection controlled from the PR3
•
ON/OFF control from the PR3
(3) Is domestic hot water produc-
tion present?
•
Not present
•
Go to question 5
•
Present
•
Enter in parameter
ASA
(menu INSTALLER) with the value (1)
(4) In the domestic hot water circuit
is a three way diverting valve
present?
•
Not present
•
Go to question 5
•
Present
•
Enter in parameter
AAS
(index C menu INSTALLER) with the appropriate value (in seconds):
this parameter shows the reversing time for the three way diverting valve in the circuit for the
production of domestic hot water
(5) Is an ambient thermostat
present?
•
Not present
•
No function
•
Present
•
This parameter enables a digital contact
ID
(shown on the electrical schematic with the
reference
TRA
) onto which to connect an ambient thermostat with which to disable the
compressors and electric heaters. Enter in parameter
trA (index D menu INSTALLER)
, with the
appropriate value selecting from:
1. Value (1 or 2): ENABLED
2. Value (0 or 3): DISABLED
3. It is reminded that the OPEN state of the contact represents:
•
stops compressors and heaters if the parameter value is set to 1
•
stops compressors, pump and heaters if the parameter value is set to 2
•
pump alarm (as in the previous software version), if the parameter value is set to 3
WARNING
For more information refer to the
USER manual
provided with the unit and available on the website
www.aermec.com
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