Commissioning; Guided Commissioning Procedure (Display) - Carel EVD evolution User Manual

4.1 Commissioning

Once the electrical connections have been completed (see the chapter
on installation) and the power supply has been connected, the operations
required for commissioning the driver depend on the type of interface
used, however essentially involve setting just 4 parameters: refrigerant,
valve, type of pressure probe S1 and type of main control.
Types of interfaces:
•
DISPLAY: after having correctly confi gured the setup parameters,
confi rmation will be requested. Only after confi rmation will the driver
be enabled for operation, the main screen will be shown on the display
and control will be able to commence when requested by the pCO
controller via LAN or when digital input DI1/DI2 closes. See paragraph
4.2;
•
VPM: to enable control of the driver via VPM, set "Enable EVD control"
to 1; this is included in the safety parameters, in the special parameters
menu, under the corresponding access level. However, the setup
parameters should fi rst be set in the related menu. The driver will then
be enabled for operation and control will be able to commence when
requested by the pCO controller via LAN or when digital input DI1/
DI2 closes. If due to error or for any other reason "Enable EVD control"
should be set to 0 (zero), the driver will immediately stop control and
will remain in standby until re-enabled, with the valve stopped in the
last position;
•
SUPERVISOR: to simplify the commissioning of a considerable number
of drivers using the supervisor, the setup operation on the display can
be limited to simply setting the network address. The display will then
be able to be removed and the confi guration procedure postponed to a
later stage using the supervisor or, if necessary, reconnecting the display.
To enable control of the driver via supervisor, set "Enable EVD control";
this is included in the safety parameters, in the special parameters menu,
under the corresponding access level. However, the setup parameters
should fi rst be set in the related menu. The driver will then be enabled
for operation and control will be able to commence when requested
by the pCO controller via pLAN or when digital input DI1/DI2 closes.
As highlighted on the supervisor, inside of the yellow information fi eld
relating to the "Enable EVD control" parameter, if due to error or for
any other reason "Enable EVD control" should be set to 0 (zero), the
driver will immediately stop control and will remain in standby until
re-enabled, with the valve stopped in the last position;
•
pCO PROGRAMMABLE CONTROLLER: the fi rst operation to be
performed, if necessary, is to set the network address using the display.
If a pLAN, tLAN or Modbus® driver is used, connected to a pCO family
controller, the setup parameters will not need to be set and confi rmed.
In fact, the application running on the pCO will manage the correct
values based on the unit controlled. Consequently, simply set the pLAN,
tLAN or Modbus® address for the driver as required by the application
on the pCO, and after a few seconds communication will commence
between the two instruments and the driver automatically be enabled
for control. The main screen will shown on the display, which can then
be removed, and control will be able to commence when requested
by the pCO controller or digital input DI1/DI2.
If there is no communication between the pCO and the driver (see the
paragraph "LAN error alarm"), the driver will be able to continue control
based on the status of digital input DI1/DI2. See par. 6.3.
4. COMMISSIONING
4.2 Guided commissioning procedure
After having fi tted the display:
the fi rst parameter is displayed:

network address;
press Enter to move to the

value of the parameter
 press Enter to confi rm the value
repeat steps 2, 3, 4, 5 to modify the values of the parameters:

refrigerant, valve, pressure probe S1, main regulation;
 check that the electrical connections are correct;
At the end of the confi guration procedure the controller activates the
valve motor error recognition procedure, showing "INIT" on the display.
See paragraph 9.5
To simplify commissioning and avoid possible malfunctions, the driver
will not start until the following have been confi gured:
1.
network address;
2.
refrigerant;
3. valve;
4.
pressure probe S1;
5.
type of main control, that is, the type of unit the superheat control is
applied to.
•
to exit the guided commissioning procedure press the DOWN button
repeatedly and fi nally confi rm that confi guration has been completed.
The guided procedure CANNOT be ended by pressing Esc;
•
if the confi guration procedure ends with a confi guration error, access
Service parameter programming mode and modify the value of the
parameter in question;
•
if the valve and/or the pressure probe used are not available in the
list, select any model and end the procedure. Then the driver will
be enabled for control, and it will be possible to enter Manufacturer
programming mode and set the corresponding parameters manually.
commissioning procedure, to start control set "Power supply mode"
parameter=1, otherwise the valve remains in the closed position. See
paragraph 6.1.
15
(display)

value
 press UP/DOWN to move to the
next parameter, refrigerant
TEMP S2
white
PRESS S1
black
green

exit the procedure, otherwise
choose NO and return to step 2;
Note:
Important: for 24 Vdc power supply, at the end of the guided
"EVD evolution" +0300005EN - rel. 3.1 - 25.07.2011
ENG
press UP/DOWN to modify the
green
brown
yellow
white
if the confi guration is correct