Vents th-Tune (A17) User manual

pGD1(A17)
th-Tune (A18)
Automatic control system for air handling units
USER’S MANUAL

2
th-Tune (A17)/pGD1 (A18)
www.ventilation-system.com
CONTENTS
Safety requirements..................................................................................................................................................................... 3
Purpose................................................................................................................................................................................................ 4
Technical data.................................................................................................................................................................................. 4
Installation and set-up................................................................................................................................................................ 5
Control ................................................................................................................................................................................................. 7
This user’s manual is a main operating document intended for technical, maintenance, and operating staff.
The manual contains information about purpose, technical details, operating principle, design, and installation of the
th-Tune (A17)/pGD1 (A18) unit and all its modifications.
Technical and maintenance staff must have theoretical and practical training in the field of ventilation systems and should be able to
work in accordance with workplace safety rules as well as construction norms and standards applicable in the territory of the country.
The information in this user’s manual is correct at the time of the document’s preparation.
The Company reserves the right to modify the technical characteristics, design, or configuration of its products at any time in order to
incorporate the latest technological developments.
No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means in any information
search system or translated into any language in any form without the prior written permission of the Company.

3
www.ventilation-system.com
UNIT MOUNTING AND OPERATION SAFETY PRECAUTIONS
• Disconnect the unit from power mains prior
to any installation operations.
• Do not operate the unit outside the
temperature range stated in the user's
manual.
• Do not operate the unit in aggressive or
explosive environments.
• Do not lay the power cable of the unit in
close proximity to heating equipment.
• While installing the unit follow the safety
regulations specific to the use of electric
tools.
• Do not change the power cable length at
your own discretion.
• Do not bend the power cable.
• Avoid damaging the power cable.
• Do not put any foreign objects on the
power cable.
• Unpack the unit with care.
• Do not use damaged equipment or cables
when connecting the unit to power mains.
• When the unit generates unusual sounds,
odour or emits smoke disconnect it from
power supply and contact the Seller.
• Do not touch the unit controls with wet
hands.
• Do not carry out the installation and
maintenance operations with wet hands.
• Do not wash the unit with water.
• Protect the electric parts of the unit against
ingress of water.
• Do not allow children to operate the unit. • Disconnect the unit from power mains prior
to any technical maintenance.
SAFETY REQUIREMENTS
• Please read the user’s manual carefully prior to installing and operating the unit.
• All user’s manual requirements as well as the provisions of all the applicable local and national construction, electrical, and technical
norms and standards must be observed when installing and operating the unit.
• The warnings contained in the user’s manual must be considered most seriously since they contain vital personal safety information.
• Failure to follow the rules and safety precautions noted in this user’s manual may result in an injury or unit damage.
• After a careful reading of the manual, keep it for the entire service life of the unit.
• While transferring the unit control, the user’s manual must be turned over to the receiving operator.
THE PRODUCT MUST BE DISPOSED SEPARATELY AT THE END OF ITS SERVICE LIFE.
DO NOT DISPOSE THE UNIT AS UNSORTED MUNICIPAL WASTE.

4
th-Tune (A17)/pGD1 (A18)
www.ventilation-system.com
The control panel is designed for controlling industrial and domestic supply and exhaust ventilation units as well as other air handling
units. It is rated for continuous operation.
THE UNIT SHOULD NOT BE OPERATED BY CHILDREN OR PERSONS WITH REDUCED
PHYSICAL, MENTAL, OR SENSORY CAPACITIES, OR THOSE WITHOUT THE APPROPRIATE
TRAINING. THE UNIT MUST BE INSTALLED AND CONNECTED ONLY BY PROPERLY
QUALIFIED PERSONNEL AFTER THE APPROPRIATE BRIEFING.
THE CHOICE OF UNIT INSTALLATION LOCATION MUST PREVENT UNAUTHORIZED
ACCESS BY UNATTENDED CHILDREN.
PURPOSE
TECHNICAL DATA
Parameter Value
th-Tune (A17) pGD1 (A18)
Storage temperature [°C] from -20 to +70 from -20 to +70
Storage humidity [%] from 10 to 90 (no condensation) from 10 to 90 (no condensation)
Operation temperature [°C] from -10 to +60 from -20 to +60
Operation humidity [%] from 10 to 90 (no condensation) from 10 to 90 (no condensation)
Wire AWG 20 or AWG 22 up to 500 m phone cable up to 50 m
twister pair AWG 22 up to 500 m
Ingress protection IP20 IP65 if mounted on the panel
IP40 if mounted on the wall
OVERALL DIMENSIONS OF A17 CONTROL PANEL
OVERALL DIMENSIONS OF A18 CONTROL PANEL
86 8 22,5 28
86 48
82
31 11
64
156
135

5
www.ventilation-system.com
THTUNE A17 CONTROL PANEL INSTALLATION
To install the rear part of the control panel, use a suitable mounting box (minimum diameter 65 mm and minimum depth 31 mm).
1. Use a screwdriver to pull the front and the rear sides of the control
panel apart.
2. Disconnect the 4-pin socket from the front part of the control
panel.
3. Complete the electrical connections as shown in the external wiring diagram.
4. Secure the rear part of the control panel in the mounting box using the screws supplied.
5. Reconnect the 4-pin socket.
6. Lay all the cables inside the control panel and install the control panel starting from the bottom. Make sure that none of the internal
wires prevent closing with a click.
4
5
64
5
6
Overall dimensions of the control panel rear part [mm]
74
60
74
60
The outline drawing of the control panel rear part is on the left.
INSTALLATION AND SETUP

6
th-Tune (A17)/pGD1 (A18)
www.ventilation-system.com
PGD1 A18 CONTROL PANEL INSTALLATION
Connect the pGD1 control panel to the controller connector using the 6P6C (PLUG-6P6C-P-C2) phone plug. The maximum length of the
phone cable is 50 m.
To mount the control panel on a wall, route the phone cable to the selected location.
1. Secure the rear part of the casing in the standard box by means of the round-head screws supplied.
2. Connect the phone cable to the front part of the control panel. Fix the frond part of the control panel to the rear part of the casing with
countersunk screws supplied as shown in the figure below and then install the front bezel by pushing it until it clicks in position.

7
www.ventilation-system.com
UNIT CONTROL PANELS
The unit is controlled via the th-Tune or pGD1 control panels.
BUTTON FUNCTION
Auto or manual speed control selection.
Fan speed selection: setting required speed stage (off, low,
medium, high).
Scheduled operation on/off: short pressing.
Activation is confirmed by a pictogram .
Access to the time/time range setting menu: press and hold for
3 seconds.
Use the rotary knob to choose the necessary option:
setting the current date/time: starts blinking. Turn the knob
for setup.
TIMEBAND: setting the time range. Press to set the start time and
the corresponding temperature setpoint for each time range
individually (you may create up to four time ranges).
The pictogram shows a current day status (Day/Nigh) and time
range status depending on the presence or absence of people
in the house. Press ESC to exit and return to the standard display
mode.
ESC: exit.
After 10 seconds th-Tune returns to the main menu automatically.
Unit ON/OFF. In some menus a short pressing has the same
function as ESC.
PUSH Setting a set point with a rotary knob.
DISPLAY SYMBOLS
1.
Reheating operation mode:
: reheating in auto mode
: reheating is enabled in manual mode
2. Main field
3. Fan mode: Manual/Auto
4. Fan speed indicator
5. Temperature measurement unit
6. Lock function
7. Setpoint value
8. Humidity measurement unit
9. Current time range
10. Day of the week
11. Alarm signal. An alarm reason is displayed in the controller
12. Disabled
13. Disabled
14. Disabled
15. Ventilation mode (reheating is not allowed)
16. Electric heating elements operation enable signal
17. Disabled
18. Time
19.
Unit scheduled operation enabled
Upon elapsing of the set time to filter replacement the display shows the alarm symbol and
in the auxiliary field.
th-Tune
1 3
2
19
18
11 12 13 14 15 16 17
4
6
5
7
8
9
10
CONTROL

8
th-Tune (A17)/pGD1 (A18)
www.ventilation-system.com
Connect the pGD1 control panel to the controller
connector using the 6P6C (PLUG-6P6C-P-C2) phone plug.
The maximum length of the phone cable is 50 m. Operation
with the pGD1 control panel is identical with operation
from the controller.
CONTROLLER FUNCTIONS AND MENU
The controller has the following control elements and indicators:
Backlit LCD display: the display screen shows the current parameters of the system operation, temperature values, pre-set parameters
and alarms.
Buttons: intended for operating the controller.
6P6C telephone connector
The 6P6C connector (PLUG-6P6C-P-C2) is designed for connection of the
pGD1 control panel using the telephone cable.
Enter
Entering a parameter editing mode, saving an edited parameter and
moving within a list of functions.
Downwards
Button for navigating one level down or decreasing the edited parameter.
Upwards
Navigating one level up or increasing the edited parameter.
Cancel (Esc)
Button for cancelling the parameter edits and exiting the submenu.
Parameters (Prg)
Access to the advanced options menu.
Alarms ( )
Access to the alarm view and reset menu.

9
www.ventilation-system.com
UNIT START
When the unit is connected to power mains the controller loads and goes to the main page.
If no action is taken in any menu within 5 minutes, the system will reload to the main page.
MAIN PAGE
The main page opens after confirmation of the unit switching on.
Press for accessing the setup menu.
Press to navigate between the entries of the main page.
Use the buttons and to edit the main menu entries.
Current room temperature/supply air temperature
Current date
Timer mode
Scheduled operation mode
Current time
Unit operation modes
(Auto, Vent, Heating
(applicable for the models with heating))
Fan speed
Temperature setpoint
— fans are off
— speed I
— speed II
— speed III
Information field
%RH : humidity set point value is exceeded
СО2: permissible СО2 concentration is exceeded
Information field
BYPASS: bypass operation
RECOVERY: heat exchanger operation
Alarm/Warning
SETUP MENU
Press for accessing the setup menu from the main menu. The setup menu contains the general user parameters for unit operation
setup. Use and to navigate between the menu entries.
Press to select an entry in the setup menu.
Press to return to the main menu.

10
th-Tune (A17)/pGD1 (A18)
www.ventilation-system.com
SCHEDULER
Select Schedule in the setup menu and press .
The Schedule menu displays all the settings for the set day of the week.
Mode: scheduled operation mode status.
O: scheduled operation is off.
On: scheduled operation is on.
If the scheduled operation mode is activated, the setpoint editing on the main page is disabled! Press and to change the status
of the scheduled operation mode. After selecting the scheduled operation mode status press to confirm. Select a week day using the
buttons and . Then press to switch to the Mode menu entry.
The display shows the settings for the selected day of the week. Each day has four time ranges with set start time, fan speed and
temperature settings. Start of each next time range means the end of the previous one.
Press to return to the setup menu.
Press to go to the Scheduled operation mode settings.
Edit the parameters using the buttons and . Then press to confirm and proceed to the next parameter. After setting the
Scheduled operation mode press to save changes and keep it pressed for 3-5 seconds. Disappearance of the black bar at the top of
the display means successful saving of the parameters.
Scheduled operation parameters:
Day of the week:
Mon: Monday
Tue: Tuesday
Wed: Wednesday
Th: Thursday
Fri: Friday
Sat: Saturday
Sun: Sunday
Period: period order number.
Activation time: activation time for set time period.
Fan speed: fan speed for set period.
Temperature setting: set temperature for set period.

11
www.ventilation-system.com
TIMER
Select Timer in the setup menu and press .
Edit the parameter using the buttons and . Then press to confirm and proceed to the next parameter. Press to return to
the setup menu.
Timer settings:
Period: time range for operation of the unit with set parameters.
Speed: fan speed when the timer is activated.
Temperature: room temperature setpoint when the timer is activated.
Timer mode operation has higher priority as compared to the scheduled operation. If both the scheduled operation mode and the timer
are activated, the unit operates according to the timer settings.
If the unit is equipped with external sensors, their activation has a higher priority than timer operation.
Date and time
Select Date & time in the setup menu and press .
Press to navigate between the date and time menu entries.
Edit the parameter using the buttons and . Then press to confirm and proceed to the next parameter. Press to return to
the setup menu.

12
th-Tune (A17)/pGD1 (A18)
www.ventilation-system.com
FILTER
Select Filter in the setup menu and press . The parameters of this entry are not editable and are for reading only. Press to return
to the setup menu.
Filter parameters:
Current time: current filter operating time.
Set time: set filter replacement periodicity.
Recording frequency: periodicity of data recording into non-volatile storage. Upon elapsing of the time to filter replacement the display
shows the filter replacement or cleaning indicator.
Reset time: reset of the filter timer after its replacement. After pressing Reset time, please confirm the action.
Contact the Seller for filter replacement.
Language
Select Language in the setup menu and press . Select a required language using by pressing and . Then press to confirm.

13
www.ventilation-system.com
ENGINEERING MENU
THE SERVICE SETTINGS ARE PROGRAMMED AT THE FACTORY.
THESE SETTINGS MAY BE CHANGED ONLY BY QUALIFIED SPECIALISTS UPON
ENTERING THE SERVICE PASSWORD.
CHANGING OTHER PARAMETERS DOES NOT REQUIRE A SERVICE PASSWORD.
Select Engineering menu in the setup menu, press and enter the password to engineering menu. Set the first password digit using
the buttons and . Then press to confirm and proceed to the next step. If the password is entered correctly, the Engineering
menu will open after entering the last digit of the password. Otherwise access to the Engineering menu remains disabled. Press to
return to the setup menu.
Description of the Engineering menu is available for service engineers only.
AIR QUALITY
Select Air quality in the setup menu and press . Parameters of the menu entry depend on the unit type.
For the units with integrated 2 sensor
Edit the Threshold parameter using the buttons and . Then press to confirm.
Press to return to the setup menu.
The display shows current sensor readings and the maximum set point. If the current sensor readings exceed the maximum set point,
the integrated СО2sensor maintains the set СО2concentration by means of controlling the fan speed. If the current sensor readings fall
below the set point, the unit reverts to the set operation mode.

14
th-Tune (A17)/pGD1 (A18)
www.ventilation-system.com
For the units with integrated VOC sensor
Edit the Threshold parameter using the buttons and . Then press to confirm.
Press to return to the setup menu.
The display shows current sensor readings and the maximum set point.
If the current sensor readings exceed the maximum set point, the unit will maintain the set air quality by means of controlling the fan
speed.
If the current sensor readings fall below the set point, the unit reverts to the set operation mode.
Security
Select Security in the setup menu and press . Use the and buttons to select the desired menu item and press to enter.
Security menu:
Log Out: logging out and display locking.
Change password: changing password for the user login.
Auto lock: setup of the automatic display lock.
LOG OUT
In the Security menu select the Log Out item and press to lock the display or to return to the Security menu. To unlock the
display press and enter the password (default password: 0000).
CHANGE PASSWORD
In the Security menu select the Change password item and press to start editing the password. Set the first password digit by
pressing and . Then press to confirm and proceed to the next parameter. In case of a wrong entry of the old password, the
respective message will appear.

15
www.ventilation-system.com
Auto Lock
In the Security menu select the Auto Lock item and press for setting the display locking or to return to the Security menu. Edit
the parameters using the buttons and . Then press to confirm and proceed to the next parameter.
Auto lock: activation/deactivation of the display locking.
Time: time setting for automatic locking of the display (from 1 up to 30 minutes).
Press to unlock the display. Then enter the password.
CONFIGURATION
In the setup menu select the Conguration item and press . Use the and buttons to select the desired menu item and press
to enter.
Edit the parameters by pressing and . Press to confirm and proceed to the next parameter.
Conguration menu:
RH, CO, VOC: optional sensors selection.
Reheating: activation/deactivation of the reheater.
Preheater: activation/deactivation of the preheater.

V159EN-01(Carel)