ERAP110~170MBYNN
Air-cooled condensing units
4PW22681-1
Operation manual
12
Tasks of the input/output menu
Checking the status of the inputs and outputs
The input/output menu provides a means of checking the status of
the digital inputs and the status of the relay outputs.
The locked digital inputs are:
■
: whether the emergency button has been
pressed.
■
: indicates the status of the air- or waterflow contact:
activated or de-activated.
■
: indicates the actual status of this
safety.
■
: indicates the actual status of
this safety.
■
: indicates the actual status of this safety.
■
: indicates the actual
status of this safety.
■
: indicates the actual
status of this safety.
The changeable digital inputs are:
■
2!
: indicates the position of the "enable/disable
capacity limitation" switches.
■
$
: indicates the position of the remote on/off switch.
■
: indicates the position of the connected switch.
The locked relay outputs are:
■
: indicates whether the circuit is on or off.
■
: indicates whether the circuit is in starmode
or not.
■
: indicates whether the circuit is in deltamode
or not.
■
)
: indicates if the 12% capacity valve of the circuit is
activated.
■
: indicates if the
of the capacity control motor of the
circuit is activated.
■
: indicates if the
of the capacity control motor of
the circuit is activated.
■
4
: indicates the
4
of the potentiometer of
the circuit (
Ω
).
■
: indicates if the fans of fanstep 1 for the circuit
are on or not.
■
: indicates if the fans of fanstep 2 for the circuit
are on or not.
■
2
: indicates if the fans of fanstep 3 for the circuit
are on or not.
■
: indicates the status of this voltage free contact.
It is activated if the fan motor or the pump motor should be ON.
■
$
: indicates the status of this voltage free contact. It
is activated if there is any alarm on the unit.
The changeable relay outputs are:
■
: indicates the status of the second evaporator
pump.
■
##)
: indicates when the unit is working at 100%.
■
: indicates the closed status of the changeable
digital output.
The changeable analog inputs are:
■
$$ #7
: indicates the status of the analog input
■
$$#$#
: indicates the status of the analog input
■
$$ #7
: indicates the status of the analog input
To check the inputs and outputs, proceed as follows:
1
Enter the
.
(Refer to the chapter
The controller enters the first
screen.
2
Consult the other screens of the input/ouput menu using the
g
and
h
keys.
Tasks of the user password menu
Changing the user password
Access to the user settings menu and the setpoints menu is
protected by the user password (a 4-digit number between
####
and
****
).
To change the user password, proceed as follows:
1
Enter the
$
The controller will request the password.
2
Enter the correct password using the
g
and
h
keys.
3
Press
q
to confirm the password and to enter the password
menu.
The controller requests the new password.
4
Press
q
to start the modification.
The cursor is positioned behind
.
5
Enter the new password using the
g
and
h
keys.
6
Press
q
to confirm the new password.
When the new password has been confirmed, the controller will
ask to enter the new password a second time (for safety
reasons). The cursor is positioned behind
.
7
Enter the new password again using the
g
and
h
keys.
8
Press
q
to confirm the new password.
NOTE
The default user password is
2!
.
NOTE
The actual password will only be changed when the
new password and the confirmed password have the
same value.
