Jakka EVO PH User manual

Manual
EVO PH and EVO D PH-IP
Heat recovery unit controller
JAK-KA GROUP
december
2019
www.jakkagroup.com
J.8.Г

Jakka Group se trudi da redovno ažurira tehničke podatke, opise i fotografije u katalozima i uputstvima, kao i cene u
cenovnicima, ali ne možemo da garantujemo da su sve objavljene informacije kompletne i tačne. Stoga Vas molimo, u
cilju bolje saradnje, da pre konačne odluke proverite podatke sa našim prodavcima, kako bismo izbegli greške. Jakka
Group zadržava pravo promene svih informacija u katalozima, uputstvima i cenovnicima bez prethodne najave.
Content
Main Window
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2
Fan Speed Control at constant flow or pressure
...............................
2
Booster function
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3
Air Post-Treatment Control
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4
Set point temperature
...............................
4
Post heating control
...............................
5
Menu selection window
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5
Status menu: operating status
...............................
6
Program menu weekly program control
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9
Default
...............................
10
Time table
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10
Setting speed levels
...............................
12
Menu clock
...............................
12
Alarms
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13
Setting user parameters
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16
Installer menu
...............................
16
Modbus interaction table
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23
Installation
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27
Control Panel wiring
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27
Terms of guarantee
...............................
28
Dimensions [mm]
...............................
28
Mounting
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30

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Unit with By-pass
Unit without By-pass
The touch-screen control panel has been designed to control Controlled Mechanical Ventilation units with Heat Return (VMC-RC) in a
simple and intuitive way. The user controls the unit by slightly pressing the graphic display icons; the arrow keys that appear after
pressing a changeable parameter enable the user to interact with the unit by scrolling menu items and changing values. All changes
or selections must be confirmed by pressing OK. When an icon is pressed, its color turns green and the relevant parameter can be
changed. When an item in a submenu is highlighted, it looks white on a black background: if OK is pressed, the writing turns green and
changes can be made using the arrow keys.
The main window is a detailed graphic representation of the machine status, from which all available functions can be activated. Press
the menu window change icon to change window and access the other menus. From the other windows, select the window change
icon and press OK to go back to the previous window. For energy saving purposes, the control enters a stand-by mode (the screen
goes off) after one minute of inactivity. When any point of the screen is touched, the display restarts automatically. In case of alarms,
instead, the display lights up for about half a second every ten seconds.
Through this parameter is possible to manage fans settings. In order to change it, press the top left icon in the synoptic display to select
it (it will turn green and the arrow keys will appear). Then, press the up arrow key icon to increase or the down arrow key to reduce the
value on its side; once the desired value is found, press OK to confirm your selection. At first is possible turn off the unit directly by
pressing the center button, it automatically disappears by pressing the arrow keys.
In detail, the possible options are as follows:
- off: fans are motionless with this option, but watch out that the unit is live anyway; this value is achieved by going below the minimum
speed value that can be set;
- xxx%: if the unit is equipped with continuously variable speed fans, a fan speed percentage, flow or a full-scale pressure (for units not
equipped with a specific kit, yet with a cop/cav version with a different sensor) value can be set starting from the minimum value
(factory setting) up to 100% of the available speed with 5% steps (1% on request);
-1, 2 or 3: if the unit is equipped with 3-speed fans, one of the available speeds can be selected: speed 1, speed 2 or speed 3.
- timer: with this option, the fan speed is controlled according to the weekly schedule (see Program menu). This value is achieved by
selecting a greater value than the maximum speed (100% or 3);
- auto: this option is only available when a sensor (CO2, CO2-VOC or RH relative humidity) is available on whose measure depends the
fan speed. If an external signal (0-10V) is used to control the fan speed, this value is obtained by selecting a greater value than clock.
- xxx m3/h: if the unit is in constant flow version (CAV) with kit, the desired value can be set in m3/h of flow. Fans will automatically run
at the speed corresponding to this flow according to the change in the load.
-xxxPa: if the unit is in constant pressure version (COP) with kit, the desired value can be set in pascal of pressure. Fans will automatically
run at the speed corresponding to this pressure according to the change in the load.
MAIN WINDOW
FAN SPEED CONTROL AT CONSTANT FLOW OR PRESSURE
*fans speed icon pre-heating icon by-pass icon
menù window change icon*
return air temperature
input air temperature
post heating icon
set-point temperature*
fan supply
*= modifiable parameters
icon dehumidifier
enable
fan extraction
*timer icon
expelled
temperature
external
temperature

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Changing pressure Turning off
Changing fan speed as a percentage
BOOSTER FUNCTION
In detail, the possible options are as follows:
- off: fans are motionless with this option, but watch out that the unit is live anyway; this value is achieved by going below the minimum
speed value that can be set;
- xxx [%]: if the unit is equipped with continuously variable speed fans, a fan speed percentage, flow or a full-scale pressure (for units
not equipped with a specific kit, yet with a cop/cav version with a different sensor) value can be set starting from the minimum value
(factory setting) up to 100% of the available speed with 5% steps (1% on request);
-1, 2 or 3: if the unit is equipped with 3-speed fans, one of the available speeds can be selected: speed 1, speed 2 or speed 3.
- clock: with this option, the fan speed is controlled according to the weekly schedule (see Program menu). This value is achieved by
selecting a greater value than the maximum speed (100% or 3);
- auto: this option is only available when a sensor (CO2, CO2-VOC or RH relative humidity) is available on whose measure depends the
fan speed. If an external signal (0-10V) is used to control the fan speed, this value is obtained by selecting a greater value than clock.
-xxx [m³/h]: if the unit is in constant flow version (CAV) with kit, the desired value can be set in m3/h of flow. Fans will automatically run
at the speed corresponding to this flow according to the change in the load.
- xxx [Pa]: if the unit is in constant pressure version (COP) with kit, the desired value can be set in pascal of pressure. Fans will automati-
cally run at the speed corresponding to this pressure according to the change in the load.
Changing air flow
The booster function is accessed when the bottom left icon is selected; a time period (from minimum 1 minute to maximum 4 hours)
can be selected, in which the unit can run at the maximum power. The booster function has the priority over any other fan speed
control method.
After you select the function, a digital chronometer is displayed (hours.minutes.seconds), which is preset on a 10 minute value. This
value can be changed by means of the arrow keys on the right side of the screen: up to increase the booster time and down to reduce
that time. After selecting the desired time, press OK to start the functionality: the display shows the remaining time to the end of the
procedure. When the 00.00.00 value is reached, fans return to be controlled in the previously selected way. When you want to stop the
procedure, just repeat the booster setting operations and select a 0-minute time and press OK.

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AIR POST-TREATMENT CONTROL
The control can run an air post-treatment system with either a water coil or an electric resistance. A box representing the post treatment
appears on the supply airflow. The symbol inside, if red, indicates that heating is being worked on. While if blue indicates that it is
working in cooling. If there are two post-treatment elements, the boxes become two with the corresponding red \ blue symbols for
each one. The writing on-off (which only appears in the presence of a post-treatment) indicates only that the function is enabled \
disabled. So even if we find it “on “the post treatment it is not necessarily active.
SET POINT TEMPERATURE
The temperature set-point is given by the thermometer icon (located at the bottom right of the screen like images next paragraph)
that can be red (heat mode) or blue (cooling mode). When the bottom icon is selected, the desired interior temperature set-point (Ts)
function is accessed: the user can increase the Ts value by the up arrow key or, vice versa, reduce it by the down arrow key. With the
central button, which appears at first, is possible to deactivate the set-point (and so treatment air). Once the desired value is achieved,
the selection is confirmed by pressing OK. Ts can take values between 5.0°C and 30.0 °C with 0.1°C steps. The icon also appears when
a post-treatment system is not installed, in this case the set is used to manage the by-pass in free-heating \ cooling. The temperature
reference is return (Tr).
Post-heating on Post-heating off
Post-cooling on Post-cooling off
Post-heasting modification

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PRE-HEATING CONTROL
Pre-heating offPre-heating on
MENU SELECTION WINDOW
The menu window is accessed from the main window by touching the specific icon (window change icon right icon indicates it is
selected). Then, scroll with the down arrow key and then press OK on the desired item. When the menus are selected (press the down
arrow key up to highlight the desired option and press OK to confirm the selection), the various detailed information of the system is
accessed. When the last voice of menu is reached the down key disappear, instead when the first voice of menu is reached appear
a left arrow icon. To return in previous menu press the up key until is displayed the arrows left and press it.
In addition to post-heating, the EVO-PH control can run an electric pre-heating system to prevent the formation of ice in the heat
exchanger. The control starts the anti-frost procedure automatically when the temperature detected by the expelled probe (Tx) drops
below 3°C. The heater is powered at the minimum power, if the Tx temperature keeps dropping, the pre-heater power is increased
step-by-step up to 100% if Tx reaches 1°C. When Tx exceeds 3°C, the procedure stops. The main window shows the preheating status:
the preheating status is displayed in the main window:
The functions listed here below can be accessed from the menu window:
- Status;
- Program;
- Clock;
- Alarms;
- Installer;
- Factory (password protected, can only be accessed by the factory).
The main window is accessed from the Menu window by pressing the up arrow key until the window change icon is displayed, then
press on it.
Menu selection window window change icon

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Te (exter.)
Tr (return)
Tx (expelled)
Ti (input)
Tw(water)
Wat.nofrost It is on if post-heating is set through water coil and indicates whether the anti-frost
mode is active. The anti-frost function for the water coil starts when the temperature
detected by the Tw probe drops below 3°C and then goes off when the temperatu-re
returns above 3°C. When a temperature lower than 3° C is detected, the control valve
(hot water) is fully opened in order to prevent ice formation in the elements. If this
temperature remains and Tw drops below 1°C, also the fans will be stopped and an alarm
will be notified (see ALARMS paragraph).
STATUS MENU: OPERATING STATUS
If the remote control panel is used to run several units (master-slave mode), a screen will be displayed in the menu with the list of
available machines (max 4):
Selection of units to be monitored,
master/slave configuration
Display of the Status menu with fan speed
In order to display the status of one unit, you must select this unit (move by means of the arrow keys and confirm your selection by
pressing OK).
If the control is configured to run one unit, when this menu is accessed, the status of this unit can be seen right away and the values of
the characterizing parameters are displayed; all parameters can be scrolled by using the up and down arrow keys. Pressure and flow
parameters are referred to machines with cop/cav kit:
Anti-frost Anti-frost function status (ON-OFF). The anti-frost function starts automatically when the
temperature detected by the Tx probe drops below 1°C and then goes off when the
temperature rises above 3°C. The purpose is to avoid ice formation in the heat
exchanger. It can be managed by unbalancing fans(defaul-t),from a resistance, or by
modulating by-pass.
Temperature of external air in °C
Temperature of return air in °C
Temperature of expelled air in °C
Temperature of input air in °C
It is on if water coil post-heating is available: it shows the tempe-rature of the water coil in °C.

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DpExhau
Flow
Dp
Fan (exhau.)
Fan hours
Bypass
On\OffHeating\Cooling On\Off
CO2/VOC ppm
RH Sensor %
Ext. signal %
Remote
Fan supply
FanS. Remote
Flow supply
Dp Supply
Fan exhau.
FanE. Remote
Flow exhau.
For constant pressure units with control of two flows only. Pressure value upstream of the
exhaust fan expressed in pascals.
For constant flow units with control of one flow only. Value of the supply fan flow expressed in
m3/h.
For constant pressure units with control of one flow only. Pressure value downstream of the
supply fan expressed in pascal.
Expulsion fan speed, see above.
Unit operation hours.
It is on if the by-pass is configured:
On By-pass open;-
-
-
Off By-pass closed.
Mod By-pass modulated (only if set in factory).
It is on if the water or electric air post-treatment is configured:
- Heating on\off : post-heating on\off ;
- Cooling on\off : post-cooling on\off.
It is on if a CO2 or CO2\VOC probe is present: it indicates the CO2 or CO2\VOC
concentration in parts per million (ppm) detected by the air quality probe: it can take
values between 0 and 2000.
It is on if a relative humidity probe is present: it indicates the percentage relative
humidity value detected by the probe. It can take values between 0 and 100.
It is on if the automatic operation of fans is configured through a 0-10V external signal. It
indicates the percentage value of the external signal (10V corresponds to 100%).
It is on if one digital input (DI) is configured as remote (this parameter can be set in
the factory):
- Off if the DI is open the fans are stopped
- On if the DI is closed the fans run at the speed set on the remote panel;
Only for constant-flow units with control of two flows or with flow sensor. Value in m3\h of the
supply flow.
Only Evo-d. If “on” indicates active the independent regulation from Modbus of supply fan
Exhaust fan speed, see input fan.
Only Evo-d. If “on” indicates active the independent regulation from Modbus of
exhaust fan
Only for constant-flow units with control of two flows or with flow sensor. Value in m3\h of the
exhaust flow.
Supply fan speed value, which is expressed in:
- revolutions per minute (RPMs) if fans with tachometric signal are installed;
- percentage if variable speed fans without tachometric signal are installed (Off when the
fan is off);
- Off, 1 ,2 or 3 for 3-speed fans.
For constant pressure units with control of two flows only. Pressure value downstream of the
supply fan expressed in pascal.

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It is on if one digital input is configured as fire (from the factory). - Yes the DI is open (exhaust
fan at the maximum speed and supply fan off).
- No the DI is closed (fans at the speed set ).
It is on if fan alarm is configured as 2Press (from the factory).
- off the alarm contact is open, fan supply is stopped or not running;
- on the alarm contact is closed, fan supply is running;
It is on if fan alarm is configured as 2Press (from the factory).
- off the alarm contact is open, fan exhaust is stopped or not running;
- on the alarm contact is closed, fan exhaust is running;
It is on if one digital input is configured as Ricircul (from the factory,when recirculation
dampers are installed)
- off the contact is open, standard management air recircula-tion
- on the contact is closed, maximum recirculation air
It is on if the control is configured to manage the dehumidifica-tion system
- on dehumidify function active
- off dehumidify function not active
It is active if the post-treatment is set by water coil. Indicates if nofrost mode detected by an
on-off thermostat (set to 1 °C and connected to a digital input) is running. In this case the
control valve is fully open and stopped both fans. At the same time an alarm appears in its
menu.
It is on if is configured as AI1 \ AI2 the Dehumid. AI parameter (from factory, when there
is provided a dehumidification system). Air temperature after the cooling coil in ° C.
It is on if is configured as StopExt. one of the digital input (factory) - off the contact is open,
standard management air
- on the contact is closed : fan extraction turned off, fan supply run at speed set
The digital input \ output can be programmed from the factory menu requiring password to the constructor and instructions about
the functions. available.
Fire
PFanSupply.
PFanExhau.
Recircul.Req. Off\On
Dehumidif. Off\On
DWat. NoFrost Off\On
Td (Dehum.)
StopExt.
Boost
PIR
Summer
Humidity
It is on if one digital input (DI) is configured as booster (this parameter can be set in the
factory):
- end the DI is open and a longer time than Boost min. has lapsed after the last change of
DI status (from closed to open), booster off (fans at the speed set by the control);
- Max the DI has been closed with a pulse or the Boost min. time (1->240 minutes) has not
lapsed yet since the DI has received the pulse, booster on (fans at the maximum speed).
It is on if one digital input (DI) is configured as PIR (this parameter can be set in the factory):
- min the DI is open (fans at minimum speed);
- max the DI is closed (fans at the maximum speed) and the PIR min. time (1240 minutes) fixed
in the installer menu has not lapsed yet ;
- off the DI is closed (fans at the speed set by the user on the control) and the PIR min. has
lapsed after the DI input has closed.
It is on if one digital input is configured as summer (from the factory).
- No the DI is open, the winter season is set;
- Yes the DI is closed, the summer season is set.
It is on if one digital input is configured as humidity (from the factory).
- Yes the DI is open, the humidity threshold of the hygrostat has been overcome;
- No the DI is closed, the hygrostat humidity threshold has been not overcome.

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This menu controls the fan speed (on three levels), which is expressed as a percentage for variable speed machines (or full-scale
pressure or flow machines without cop/cav kit), in pascal for constant pressure machines, and in m3/h for constant flow machines with
kit. Moreover, the air after-treatment (if available) can be enabled/disabled in a different way for each day of the week, by time
period (1 to 8 time periods that can be defined by the user in 30-minute steps). To access the program control functions, select the
Program item by the arrow keys, highlight it and press OK.
PROGRAM MENU: WEEKLY PROGRAM CONTROL
Program menu with fan speed Program menu with flow
Program menu with pressure

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When this menu item is selected and OK is pressed, unit control parameters are automatically assigned default values:
DEFAULT
TIMETABLE
When this menu item is selected and OK is pressed, the summary display of each day of the week subdivided into 24 hours is accessed.
030 [%] if the unit is equipped with variable speed fans;
1 if the unit is equipped with 3-speed fans;
auto if the unit is equipped with a CO2or relative humidity probe, or is controlled through a 0-10V external
signal.
0200 [m³\h] if it is a constant flow unit with cop/cav kit. This value also depends on the settings in the factory
menu based on the performance of the unit.
010Pa if it is a constant pressure unit with cop/cav kit. This value also depends on the settings in the factory
menu based on the performance of the unit.
065 [%] if the unit is equipped with variable speed fans;
2 if the unit is equipped with 3-speed fans;
auto if the unit is equipped with a CO2 or relative humidity probe, or is controlled through a 0-10V external
signal.
20000 [m³\h] if it is a constant flow unit with cop/cav kit. This value also depends on the settings in the factory
menu based on the performance of the unit.
1000 [Pa] if it is a constant pressure unit with cop/cav kit. This value also depends on the settings in the factory
menu based on the performance of the unit.
cop/cav kit. This value also depends on the settings in the factory menu based on the performance of the
unit.
C1
Program valid Monday through Friday
Time period
C2
C3
C4
C5
C6
C7
C8
TIME TABLE
Fan speed/flow/pressure
00:00 -> 06:29
06:30 -> 07:59
08:00 -> 11:29
11:30 -> 12:59
13:00 -> 17:59
18:00 -> 21:59
22:00 -> 00:00
Not used
Medium
Medium
Low
High
Low
High
Medium
-
Air after-treatment status: (ON / OFF)
OFF
ON
ON
ON
ON
ON
OFF
-
C1
Program valid Saturday and Sunday
Time period Fan speed/flow/pressure Air after-treatment status: (ON / OFF)
C2
C3
C4
C5
C6
C7
C8
TIME TABLE
Low speed:
Medium speed:
High speed:
SPEED LEVELS
00:00 -> 07:29
07:30 -> 07:59
08:00 -> 11:29
11:30 -> 12:59
13:00 -> 17:59
18:00 -> 21:59
22:00 -> 00:00
Not used
Medium
Medium
Medium
High
Medium
High
Medium
-
OFF
OFF
ON
ON
ON
ON
ON
OFF
-
Time table: summary display Time table: detail of one day of the week

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In order to change the settings of each day, just select the day in the summary display window and press OK; now, the detail screen
of the selected day is displayed with the list of the eight possible time periods (C1C8), while the selected day of the week is displayed
in the top left corner of the screen.
After customizing one day of the week according to your need (for instance, Monday), you can copy your program to another day
without repeating the procedure described above. In the time period summary window, select the day you want to copy the previous
program to (for instance, Tuesday), and press OK. Now, the detail window of the time periods of the selected day is displayed. Scroll
all of the time periods using the down arrow key and reach the Copy day line (it will be after the C8 time period): highlight this line and
press OK.
Post-heating disable Post-heating enable
Selecting the time period to be changed Changeable parameters in the selected time period
You can change the content of a time period by selecting the period and pressing OK in the time period change screen; the graphic
summary of the program for the entire day is displayed in addition to the selected day (top left corner).
The parameters that can be changed are as follows:
- Change: change the time period you are working on without returning to the previous page by selecting this line and pressing OK:
scroll the several time periods (1->8) using the arrow keys and just press OK when you reach the desired period.
- Time hh.mm: set the starting time of the current time period by selecting this line and pressing OK: the arrows keys increase (up arrow)
or decrease (down arrow) the time by 30-minute steps; press OK when you find the desired value; the value of this parameter can be
comprised between the beginning of the previous time period and the beginning of the next time period.
- Fan speed xxx: set the fan speed (or the full-scale pressure/flow for machines without cop/cav kit), the flow per unit at constant pressu-
re or the pressure for units at constant pressure with cop/cav kit required for the current time period by selecting this line and pressing
OK: scroll the three possible values (low, medium and high) using the arrows keys; press OK when you find the desired value. These
values match the settings according to next paragraph (Speed level setting).
- Heat/Cool on/off: this parameter is only visible if the control is configured to run an air post-treatment device; enable (on) or disable
(off) the air post-treatment device by selecting this line and pressing OK. Scroll the two possible values (on and off) using the arrow keys:
press OK when you find the desired value. When the timer modality is selected is visible on the screen if the post-heating hourly is enable
(Ton) or disable (Toff).

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After accessing the Copy day page (as displayed in the top left corner of the screen), you can select the day you want to copy the
program from using the arrow keys to scroll the various days. After identifying the selected day (Monday in our example), press OK to
confirm the copy and you are automatically taken to the simplified display page of the time periods (in our case, the Monday program
will have been copied to Tuesday). This operation can be repeated for other days of the week.
To change the preset values for the three speed levels (low, medium and high) used for the weekly program, reach the main page of
the Program menu, highlight the speed level to be changed (for example, Low-speed) using the arrow keys and press OK. Scroll the
possible values by using the arrow keys and, after finding the desired value, confirm your choice by pressing OK. Possible values for
these three parameters are as follows:
- off: fans off. It can be set by pressing the down arrow key for a few seconds (off is below the minimum speed value that can be set);
- xxx%: for units equipped with variable speed fans, you can select a percentage value between the minimum (factory setting) and
100%;
- 1, 2 or 3: for units equipped with 3-speed fans, you can choose among speed 1, 2 or 3;
- auto: for units equipped with an air quality or relative humidity probe or controlled through a 0-10V external signal, the fan speed will
be automatically controlled by one of these devices. It can be reached by pressing the up arrow for a few seconds (auto is above the
maximum speed value that can be set).
- xxx m3/h: if the unit is in constant flow version with kit, the desired value can be set in m3/h of flow.
- Xxx Pa: if the unit is in constant pressure version (COP) with kit, the desired value can be set in pascal of pressure.
You can set the day of the week and the current time for the proper control of the weekly time program through this menu.
Setting the Day
Select the day line and press OK: the color of the writing of the current day configured will turn green. Scroll by means of the arrow keys
to find the desired day. Press OK to confirm your choice: the color of the day will turn from green to black.
Setting the Hour
Select the hours line and press OK: the color of the writing of the current hour configured will turn green. Scroll by means of the arrow
keys to find the desired day. Press OK to confirm your choice: the color of the day will turn from green to black.
Setting the Minutes
Select the minutes line and press OK: the color of the writing of the minutes will turn green. Scroll by means of the arrow keys to find the
desired day. Press OK to confirm your choice: the color of the day will turn from green to black.
Copy day: selecting the day to be copied
Clock menu
Selecting the copy day function
SETTING SPEED LEVELS
MENU CLOCK: CLOCK CONFIGURATION

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ALARMS MENU: DISPLAY OF THE ALARM STATUS
Signaling an alarm: external air temperature probe Alarms menu
If an alarm is being signaled, you can reach the specific menu directly by touching the screen. Otherwise you must select the Alarms
item in the menu selection page and press OK. If the control is interlocked to several units (master/slave mode), you must select the
unit you want to monitor (see Status menu), otherwise you direct access to the detail alarms page.
If the control detects an abnormal status, the latter is indicated in the main control screen by a specific flashing icon and a red writing
at the top of the screen (Call service o DirtyFilters). If the alarm is detected when the screen is in stand-by mode, the display flashes at
about 10-second intervals. Alarms on pressure sensors are available for machines with cop/cav kits only.
LIST OF ALARMS
Parameter StatusVal
Communication ok
Te (external) ko
The external air temperature sensor works properly
Problem with the external air temperature sensor:
1) check electrical connections of the temperature probe (see wiring diagram);
2) if the problem is not solved, replace the temperature probe
3) if the problem is not solved, replace the electronic card.
ok
Configuration ko
ok The configuration of the digital input is ok
ko
The communication between the machine cardsand the remote control panel
works properly
Problem with the communication among cards and remote panel:
1) check electrical connections between electric panel and remote panel
(see wiring diagram);
2) if the problem is not solved, check electrical connections between the
cards (see wiring diagram);
3) if the problem is not solved, check the dipswitch position in both cards
only 1 unit: X540 only 1=on ; X531 only 2= on, X541 card all off .
4) if the problem is not solved, replace the electronic cards.
The configuration of the digital input is wrong, this happen when a new
control panel is mounted on an old card with digital input configured. To
solve the problem reconfigure in menu factory EXTDI.

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Tr (return) ko
The return air temperature sensor works properly
Problem with the return air temperature sensor:
check electrical connections of the temperature probe (see wiring diagram);1)
2) if the problem is not solved, replace the temperature probe
3) if the problem is not solved, replace the electronic card.
ok
Tx (expelled) ko
The exhaust air temperature sensor works properly
Problem with the expelled air temperature sensor:
1)1) check electrical connections of the temperature probe (see wiring diagram
2) if the problem is not solved, replace the temperature probe
3) if the problem is not solved, replace the electronic card.
Ti (input) ko
The input air temperature sensor works properly
Problem with the input air temperature sensor:
1) check electrical connections of the temperature probe (see wiring diagram);
2) if the problem is not solved, replace the temperature probe
3) if the problem is not solved, replace the electronic card.
Tw (water) ko Problem with the water-powered battery temperature sensor:
1) check electrical connections of the temperature probe (see wiring diagram);
2) if the problem is not solved, replace the temperature probe
3) if the problem is not solved, replace the electronic card.
Filters ok Clean filters
ko Clogged filters: replace filters. If the filters alarm is based on the machine
operation hours, you must reset the Filter Hours parameter (Installer menu)
Fans
CO2VOC
RH sensor
Tw (water) low ok The temperature of the water from the battery is higher than a safety
threshold, there is no risk of water freezing in the battery
ok
ok
ok
It is present only if the air after-treatment control is equipped with a water
powered battery (Factory menu)
The water coil temperature sensor works properly
ko Risk of liquid freezing in the water-powered battery
It is present only if the air after-treatment control is equipped with a water coil
(Factory menu)
It is present only if the fan status alarm is configured with differential
pressure switch, with tachometric signal of fans or with fan Digital Output
(Factory menu)
Fans OK
Possible failure of the fans
It is present only if the fan speed automatic control is configured with a
CO2o CO2-VOC sensor (Installer menu)
Probe OK
Possible failure of the probe or of the connector
It is present only if the fan speed automatic control is configured with a
relative humidity sensor (Installer menu)
Probe OK
Possible failure of the probe or of the connector
It is present only if the filter status alarm with differential pressure switch is
configured or is based on the machine operation hours (Factory menu)
ok
ko
ok
ko
ok
ko

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It is present only if the fan speed control is configured with an
external 0-10V analog signal (Installer menu)
Ext.signal ko
The external signal source works properly
External signal not present (voltage at the clamps = 0V):
1) check electrical connections of the external source (see electric diagram);
2) if the problem is not solved, check whether the external signal is present
(tester) and its value is greater than 0V;
3) if the problem is not solved, replace the electronic card..
ok
FlowSupply ko
It is present only if the machine is in the constant flow version with control on
both flows
The supply pressure sensor works properly
Possible anomaly in the supply pressure sensor
ok
It is present only if the machine is in the constant flow version with control on
both flows
FlowExhaust ko
The return pressure sensor works properly
Possible anomaly in the return pressure sensor
ok
Flow ko Possible anomaly in the pressure sensor
ok
It is present only if the machine is in the constant flow version with control on
one flow
The pressure sensor works properly
DpSupply ko
It is present only if the machine is in the constant pressure version with control
on both flows
The supply pressure sensor works properly
Possible anomaly in the supply pressure sensor
ok
DpExhaust ko Possible anomaly in the return pressure sensor
ok
It is present only if the machine is in the constant flow version with control on
both flows
The return pressure sensor works properly
Dp ko Possible anomaly of the pressure sensor
ok
It is present only if the machine is in the constant pressure version with control
on one flow
The pressure sensor works properly
It is present only if the fan speed automatic control alarm is configured with a
CO 2 o CO 2 -VOC sensor (Installer menu) or it is present an excess of CO 2 in
the environment
Autominutes ko Possible anomaly in the sensor
ok The sensor works properly
It is active if the unit can’t exit from anti-frost modality after then two minutes
are elapsed.
Anti-frost ko
ok The unit works properly
It is present only if a digital input is configures ad Min speed (Factory)
DI open, unit works normally.
DI closed, unit works at min speed.
It is on when the control is configured to manage a dehumidification system
Air temperature sensor after the cool water coil is working properly
Problem with the input air temperature sensor:
1) check electrical connections of the temperature probe (see wiring diagram);
2) if the problem is not solved, replace the temperature probe
3) if the problem is not solved, replace the electronic card.
Td(Dehumid.) ko
Min speed
ok
ko
ok
Two minutes are elapsed from anti-frost heat exchanger modality and expel-
led temperature does not rise up to 3 C°. For speed management the control
stops fan supply and set to max speed fan exhaust .For heat stops fan supply
,fan exhaust runs at speed set in control panel. For by-pass stop fan exhaust
and leave by-pass in its modulated position.

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By parameters menu it is possible to set the current season for the management of the by-pass . The control automatically adjusts
regulations basing, as regards the by-pass, on the external temperature, return and the selected season. If a dehumidification system
is installed, it is possible, in this menu, to enable\disable it and set the relative humidity threshold value for activation.
PARAMETERS MENU: SETTING USER PARAMETERS
BBy-pass : season based By-pass : automatic
Humidity (%)
This parameter is available only when there is a dehumidification system. It represents the threshold value above which the dehumidify
is enabled. The default value is 50%. The Dehumidify system can be forced also from a digital input .
Dehumidif.
This parameter is available only when there is a dehumidification system. By this, can be
enabled (Yes) or less (No) the dehumidification system. It can be used, for example,
in the winter season if is not wished to dehumidify.
In order to enter the password, press the down arrow key: the line where the password must be entered is highlighted. Press OK. Select
the desired value for the first digit using the up/down arrow keys and press OK when you reach the desired value. Repeat this operation
for the three remaining figures.If you have entered the correct password, the installer menu is displayed; otherwise, if the password is
wrong, you are redirected to the password entry page. To change the parameters of this menu, highlight the desired parameter by
scrolling up/down the arrow keys and press OK. The color of the currently set value for this parameter is green: now, you can change
this value using the up/down arrow keys. When you reach the desired value, press OK to confirm your selection. The parameters
relevant to flows/pressure coefficients and values are our only available for machines with kit.
INSTALLER MENU: CONFIGURATION OF SYSTEM PARAMETERS
Entering the password Installer menu
You must enter a password (5678) to access this menu: this is a measure to prevent inexperienced users from unintentionally changing
parameters, an event that may jeopardize the proper operation of the system.

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AutoMin% corresponds to the input signal percentage value for which fans must run at the minimum speed,
AutoMax% corresponds to the input signal percentage value for which fans must run at the maximum speed.
PARAMETERS AVAILABLE IN THE INSTALLER MENU
Language
With this parameter, you can select the language of all menus (except for the Factory menu, which will always be in English).
GB English language (default)
FR French language
ES Spanish language
IT Italian language
NL Dutch language
DE German language
HU Hungary language
DK Danish language
PT Portuguese language
SI Slovenian language
Auto1\2
With this parameter, you can configure a device that automatically adjusts the fan speed. See the wiring diagram for the connection
of the device
External signal. The fan speed will be controlled through an external 0-10V analog signal (default value); if the external signal takes the
0V value, the control will indicate a problem with the source of the external signal. For a unit equipped with adjustable speed fans.
FAN speed
AutoMin%
INPUT signal
AutoMax%
MAX
MIN
For a unit equipped with 3-speed fans.
SP.1,2% SP.2,3% and Δvalues depend on the values of parameters AutoMin% and
AutoMax% according to the following formulas:
FAN speed
SP.3
SP.2
SP.1
SP.1,2%
INPUT signal
-∆|+∆
SP.2,3%
-∆|+∆
Automax% - AutoMin%
SP. 1,2% = + AutoMin%
10
Automax% - AutoMin%
12
5
,3 x (AutoMax% - AutoMin%) + AutoMin%SP. 2,3% =SP. +
7
2
∆ =

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FAN speed
AutoMin ppm
INPUT signal
AutoMax ppm
MAX
MIN
UR sensor
CO2 VOC
The fan speed will be controlled by a relative humidity (RH) sensor with 0-10V output and will have a linear trend
between 0 and 100% RH (0V corresponds to 0% RH and 10V corresponds to 100% RH); if the external signal of the
RH sensor takes the 0V value, the control will display a problem with the sensor. See graphs of the segnale es
parameter. In this case, AutoMin% corresponds to the relative humidity value for which the air quality is held to be
excellent , AutoMax% corresponds to the relative humidity value for which the air quality is held to be very bad.
The
fan speed will be controlled by a CO2 (or CO2-VOC) sensor with a 0-10V output and will have a linear trend
between 0 and 2000 ppm (0V corresponds to 0% ppm and 10V corresponds to 2000 ppm); if the external signal of
the CO2 sensor takes the 0V value, the control will display a problem with the sensor. For a unit equipped with
adjustable speed fans.
Where AutoMin ppm corresponds to the CO2(CO2-VOC) concentration for which the air quality is held to be
excellent, AutoMax ppm corresponds to the CO2(CO2-VOC) concentration for which the air quality is held to be
very bad.
For a unit equipped with 3-speed fans.
FAN speed
SP.3
SP.2
SP.1
SP.1,2%
INPUT signal
-∆|+∆
SP.2,3%
-∆|+∆
SP.1,2% SP.2,3% and Δvalues depend on the values of both parameters AutoMin ppm and AutoMax ppm accor-
ding to the following formulas:
Automax ppm - AutoMin ppm
SP. 1,2% = + AutoMin ppm
10
Automax ppm - AutoMin ppm
12
5
,3 x (AutoMax ppm - AutoMin ppm) + AutoMin ppmSP. 2,3% =SP. 7 2
∆ =

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None
AutoMin %
(Default value) no device is installed for the automatic operation of the fan speed.
This parameter is only available if the auto parameter is set on ext. signal or UR sensor. It can take values between
0 and 99% (1% steps) with the following limit: AutoMin%<AutoMax% For a unit equipped with variable speed fans:
If auto ext. signal corresponds to the input signal percentage value for which fans turn at the minimum speed;
below this value, fans remain set at the minimum speed. For instance, the value AutoMin% 030 corresponds to a
3V (30% of 10V) input signal. If auto UR sensor corresponds to the (percentage) relative humidity for which fans
turn at the minimum speed; below this value, fans remain set at the minimum speed. For a unit equipped with
3-speed fans, referring to the second image of the auto ext. signal parameter, after fixing the SP.1,2% and SP.2,3%
values (the nominal values at which speed changes from 1 to 2 and from 2 to 3), the appropriate value to be
assigned to the parameter can be obtained as follows:
AutoMin ppmAutoMin ppm This
parameter is only available if the auto parameter is set on CO2VOC. It can take values between 0 ppm and
1980 ppm (20ppm steps) with the following limit: AutoMin ppm<AutoMax ppm For a unit equipped with variable
speed fans, it corresponds to the CO2(CO2-VOC) concentration, expressed in ppm, for which fans turn at the
minimum speed; below this value, fans remain set at the minimum speed. For a unit equipped with 3-speed fans,
referring to the second image of the auto CO2VOC parameter, after fixing the SP.1,2% and SP.2,3% values (the
nominal values at which speed changes from 1 to 2 and from 2 to 3), the correct value to be assigned to the
parameter can be obtained as follows:
AutoMax %
This parameter is only available if the auto parameter is set on ext. signal or UR sensor. It can take values between
0 and 99% (1% steps) with the following limit: AutoMin%<AutoMax% For a unit equipped with variable speed fans:
If auto ext. signal, corresponds to the input signal percentage value for which fans turn at the maximum speed;
above this value, fans remain set at the maximum speed. For instance, the value AutoMin% 080 corresponds to
an 8V (80% of 10V) input signal. If auto UR sensor, corresponds to the (percentage) relative humidity for which
fans turn at the maximum speed; below this value, fans remain set at the maximum speed. For a unit equipped
with 3-speed fans, referring to the second image of the auto ext. signal parameter, after fixing the SP.1,2% and
SP.2,3% values (the nominal values at which speed changes from 1 to 2 and from 2 to 3), the correct value to be
assigned to the parameter can be obtained as follows:
AutoMin% =
7 x SP.1,2% - 2 x SP.2,3%
5
AutoMax% =
8 x SP.2,3% - 3 x SP.1,2%
5
AutoMin ppm =
7 x SP.1,2% - 2 x SP.2,3%
5
AutoMax ppm =
8 x SP.2,3% - 3 x SP.1,2%
5
AutoMax ppm This
parameter is only available if the auto parameter is set on CO2VOC. It can take values between 20 ppm and
2000 ppm (20ppm steps) with the following limit: AutoMin ppm<AutoMax ppm For a unit equipped with variable
speed fans, it corresponds to the CO2(CO2-VOC) concentration, expressed in ppm, for which fans turn at the
maximum speed; below this value, fans remain set at the maximum speed. For a unit equipped with 3-speed fans,
referring to the second image of the auto CO2VOC parameter, after fixing the SP.1,2% and SP.2,3% values (the
nominal values at which speed changes from 1 to 2 and from 2 to 3), the correct value to be assigned to the
parameter can be obtained as follows:
AutoMinutes
No
000->240
This parameter is only available if the auto is set at a value different from none. (default value) it does not affect
the system operation. Its value is expressed in minutes and represents the interval lapsed from the time when the
signal of the extern device for the auto mode has achieved or exceeded the AutoMax%, or Auto Max ppm value,
without dropping below this value, beyond which an anomaly to the external device (CO2, HR probe or external
signal) is notified.
AutoOn %
000->100
This parameter is only available if the auto parameter is set on ext. signal or UR sensor and the digital output is
configured as auto cmp (Factory menu). Default value 050, is expressed in %; for values of HR% as read by the
relative humidity sensor (or for values of the 0-10V external signal expressed as a percentage) lower than the set
value, the digital output changes its status.
AutoOff%
000->100
This parameter is only available if the auto parameter is set on ext. signal or UR sensor and the digital output is
configured as auto cmp (Factory menu). Default value 050, it is expressed in %; for values of HR% as read by the
relative humidity sensor (or for values of the 0-10V external signal expressed as a percentage) higher than the set
value, the digital output dedicates returns to its standard status.
AutoOn ppm
0000->2000
This parameter is only available if the auto parameter is set on CO2VOC and the digital output is configured as
auto cmp (Factory menu). Default value 0500, it is expressed in ppm; for ppm values as read by the CO2probe
lower than the set value, the digital output dedicated changes its status.