Titon aura-t TP536/EU User manual

EN
ventilation systems
HRV controllerProduct Manual
aura-t TP536/EU

2
Warnings, Safety information and
Guidance
Important Information
Read instructions fully before the installing this appliance.
1. This manual covers the operation of the HRV control sys-
tem only, it must therefore be read in conjunction with
the relevant heat recovery unit Product Manual.
2. Installation of the appliance and accessories must be car-
ried out by a qualied and suitable competent person and
be carried out in clean, dry conditions where dust and
humidity are at minimal levels.
3. All wiring must conform to current I.E.E. Wiring Regula-
tions and all applicable standards and Building Regula-
tions.
4. aura-t must be connected using the communication cable
provided.
5. Control & communication cables should not be placed
within 50mm or on the same metal cable tray as any 230V
lighting or power cables.
6. Ensure all cable glands are fully tightened.
7. The unit must be stored in a clean and dry environment.
Do not install the appliance in areas where the following
may be present or occur;
•Excessive oil or a grease laden atmosphere,
•Corrosive or ammable gases, liquids or vapours,
•Ambient temperatures above 40°C or below -5°C,
•Humidity levels above 90% or is a wet environment.

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8. The appliance is not suitable for installation to the exterior
of the dwelling.
9. This appliance can be used by children aged from 8 years
and above and persons with reduced physical, sensory or
mental capabilities or lack of experience and knowledge if
they have been given supervision or instruction concern-
ing use of the appliance in a safe way and understand the
hazards involved.
10.Children should be supervised to ensure that they do not
play with the appliance.
11.To avoid damaging the touch screen, do not operate it
with sharp or hard objects; do not apply excessive nger-
tip pressure.
12.Do not use abrasive cleaners, waxes, solvents or alcohol
based cleaning products; do not use paper towels for
cleaning the aura-t.

4
Warnings, Safety information and Guidance
Important Information . . . . . . . . . . . . . . . . . . . . . . . . . .2
Product Overview
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Packaging Contents. . . . . . . . . . . . . . . . . . . . . . . .5
Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Speed Selection & Display . . . . . . . . . . . . . . . . . .6
24 Hour Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Day of Week Display . . . . . . . . . . . . . . . . . . . . . . .6
Boost Overrun Timer . . . . . . . . . . . . . . . . . . . . . . .6
Internal Humidity Sensor . . . . . . . . . . . . . . . . . . .6
Filter Change Alert. . . . . . . . . . . . . . . . . . . . . . . . .6
Programmable Speeds . . . . . . . . . . . . . . . . . . . . .6
Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Boost Inhibit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Status Icons. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
User Interface
Menu Tabs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Run Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Status Icons. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Other Icons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Timer Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Installation
Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Fixing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Fan Commission. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Timer Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Timer Defaults . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Controller Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Summer Bypass Setup . . . . . . . . . . . . . . . . . . . 22
Passcode Enable / Disable. . . . . . . . . . . . . . . . . 22
Switch Setup Menu . . . . . . . . . . . . . . . . . . . . . . 23
Maintenance
Cleaning Exterior . . . . . . . . . . . . . . . . . . . . . . . . 24
Appendix
aura-t Congurable Defaults . . . . . . . . . . . . . . . . . . . 24
HRV ECOaura Defaults. . . . . . . . . . . . . . . . . . . . . . . . . 26
Contents

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Product Overview
Description
The aura-t is a programmable touch screen controller which monitors and displays
the status of a Titon ECOaura HRV unit. It allows the unit to be commissioned, and
gives the user both manual and timed control of fan speeds. The aura-t is connected
to the HRV via a low voltage connection and can be sited remotely from the unit.
Packaging Contents
Inspect the unit when taking delivery. Check the unit for damage and that all
accessories have been supplied.
Package supplied with:-
1 x aura-t controller.
1 x ~3m aura-t communication cable.
1 x Product Manual.
Any shortages or damage must be immediately reported to the supplier.
Dimensions
23.70
87
87
aura-t

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Features
The following gives an outline description for each of the product features.
Programmable Speeds
The unit has 4 programmable speed
settings, all speeds are variable between
14-100% and allow independent speed
setting of both supply and extract
ventilation rates
Speed 1, Setback.
Reduced ventilation.
Speed 2, Continuous.
Normal ventilation.
Speed 3, Boost.
Increased ventilation
Speed 4, SUMMERboost®.
Very high ventilation.
Timer
The aura-t has a programmable timer that
can be used to switch the HRV to Speed 1
at specied times.
Boost Inhibit
Boost Inhibit is used to prevent the HRV’s
speed increasing. Boost Inhibit is used in
conjunction with a Timer event.
Status Icons
The aura-t displays icons to indicates
modes of operation in Real-time.
Speed Selection & Display
The unit speed can be manually selected
via the on screen 1, 2, 3 & 4 buttons/
icons which are also used to display any
automatically selected speed.
24 Hour Clock
The aura-t has a twenty four hour clock
with a battery backup.
Day of Week Display
The aura-t displays the days of the week
as numbers.
Boost Overrun Timer
A programmable timer that controls the
time the HRV remains at Boost Speed after
all boost switches have been released.
Internal Humidity Sensor
The HRV has a relative humidity
(RH) sensor. The RH sensor can be
programmed to switch the HRV into Boost
Speed.
Filter Change Alert
The aura-t will display an alert after
a specied time when the HRV lters
require changing.

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User Interface
The aura-t is operated via a LCD touchscreen. The screen is backlit, the backlight
operates when the screen is touched.
Menu Tabs
The aura-t screen has three interactive menu screens which are selected via tabs at
the bottom of the touchscreen.
Tab
Function Monitor & Control
Fan Commission
Timer Setup
Name Run Mode Timer Mode Setup Mode
Description Displays Fan Speed,
Time, Day and Status.
Gives access to Fan
Speed Setup
Gives access to Timer
Run/Pause and Timer
Setup
Gives access to Time,
Day, RH threshold,
Overrun Timers,
Summer Bypass,
Passcode settings &
Filter Reset.
Switch Setup in a
Sub-Menu.
If passcode is enabled enter 3333 to activate the above menus.
Passcode Screen

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Run Mode
The aura-t controls the HRV unit’s 4 programmable speed settings.
This is the Run Mode screen; use the number buttons to select the required fan
speed.
Press and Hold the [1] button to turn the unit o, just the [1] icon will
be displayed; Tap the button to turn the unit back on.
The current running speed will be indicated by the corresponding
number button being highlighted.
The time of day is also shown on this screen in 24 hour format along
with the days of the week; the current day is ringed.
Status Icons
If the fan speed is being controlled by an external switch, a sensor or the timer this is
indicated by an icon beneath the speed selection buttons being visible.
The icons are as follows:
An external switch is active and is holding the HRV at the indicated
speed.
The timer is active and is keeping the HRV at Speed 1.
The speed the HRV is running at is being controlled by the internal
humidity sensor or an external Proportional Input sensor

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Other Icons
Other status icon that may be visible on the screen are listed below:
The lters need changing or cleaning, refer to the Settings Menu for
details of how to reset the timer.
Frost Protection, if this icon is constantly lit the temperature outside
is low and the speed of the HRV Supply Fan has been reduced to
prevent damage to the Heat Cell. If the Frost icon and backlight
are ashing the indoor temperature is low and both fans will have
stopped. Tap any of the fan speed number buttons to restart the
fans. If the temprature is still too cold, Frost Protection will be
activated.
Summer Bypass is in operation, air from outside is being supplied
directly to the property without recovering heat from the Heat Cell.
This is often accompanied by SUMMERboost®, both fans switch to
Speed 4 to increase the rate fresh air is supplied to the property and
stale hot air is extracted.
Press & Hold the [4] button to cancel SUMMERboost®.
The Boost Overrun timer is active and is holding the HRV at Speed
3; this follows an external Boost switch being deactivated or if
the internal Humidity sensor has put the unit into Boost and the
Humidity has reduced below the set-point.
The padlock icon adjacent to the Speed 3 button and accompanying
the timer icon indicates Boost Inhibit is active. The HRV is being
held at Speed 1 by the timer and will not respond to external Boost
switches or the internal Humidity sensor; it is also not possible to
manually increase the speed the HRV’s running speed. Proportional
Input sensors are not aected.
The warning icon ashing at the bottom of the screen adjacent to
the Fan icon indicates a fan failure has been detected; contact the
installer. If very high tempratures are deteced inside the HRV, fan
failure mode will be enabled to protect the HRV from damage.

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Timer Mode
The controller has a seven day, four events per day timer. The timer is used to
automatically change the HRV speed to Setback, Speed 1 at programmed times.
An additional function of the timer is that when it activates Setback there is an option
to engage Boost Inhibit.
This is the Timer Mode screen; the buttons displayed on screen have the following
functions:
Tap the Play / Pause button to toggle between play and pause.
Press and Hold to pause timers indenitely.
The Run arrow indicates the timer is currently active and will be used
to switch the HRV in and out of Speed 1
The Pause and Hour Glass symbols indicate the Timer is temporarily
paused; Timer will restart 8 hours after being invoked.
The Pause symbol indicates the timer is currently inactive and will
have no eect on fan speeds; this pause is indenite.

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Timer Setup , Tap this button to adjust the Timer, see Timer Setup
section.
Tap this to Exit and return to Run Mode.
When the timer has automatically switched the HRV to Speed 1
this can be manually overridden by tapping [2-4] keys. Tap the
Speed 1 key to return to timer control.
When the next timed event occurs the unit will revert to timer
control.
Manual override is not possible if Boost Inhibit is in operation.

12
Installation
Location
The aura-t should be mounted in position convenient for the householder and where
the supplied control cable will reach.
Fixing
1. Un-clip the front of the aura-t case from the Back Plate.
2. Thread the control cable through the hole in the Back Plate.
3. Fix Back Plate .
4. Connect the communication cable, see Wiring section.
5. Clip the front of aura-t to the Back Plate.
Connection to HRV
60
Fixing Holes
Wiring Access Hole

13
Wiring
The aura-t’s control cable may be supplied tted with a plug in connector for
connection to the HRV, if the HRV does not have a socket remove the plug and use the
wiring diagrams below.
12V
A
B
0V
HRV
12V A
B
0V
Connection to HRV
Connection to aura-t

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Fan Commission
Fan Commission Mode is entered by pressing the Fan Button for 5
seconds whilst in Run Mode.
A ashing item on the screen indicates it is being edited.
1. Select the required fan speed using the number buttons at the
left of the screen. The current fan speeds is highlighted, the HRV
will run at the selected speed.
Extract
Supply
2. Use the Supply to dwelling or Extract from dwelling buttons at
the top of the screen to select which fan is to be adjusted.
3. Use the arrow keys to adjust the fan speed. The fan will respond
in real-time to the adjustment being made.
4. Repeat the above for all fan speeds requiring adjustment.
5. When all of the fan speeds are correct tap the Save button to
store all the fan speed settings to memory and exit back to Run
Mode.

15
Timer Setup
Timer setup is achieved in three steps
1Day Selection
Tap the Timer Mode tab to enter the Timer Mode menu.
1. Tap the Timer Setup Key to commence setup.
2. A ring around the day selected will blink. Change the day that
the timers are to be edited by using the Arrow Keys. .
3. Tap the Enter Key to start editing timers for that day.

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2Select Event & Edit Timers
In this example; tapping the Save
key will save the settings; these
will set the unit to run at Speed 1
between 08:00 & 12:00
1. Tap the event number to be edited [1-4] from on left hand side of
the screen. The selected event will highlight.
2. Use the fan keys to select either the time the HRV will switch into
Speed 1 or Speed 2.
3. Speed 1 key toggles between selecting Speed 1 and selecting
Speed 1 with Boost Inhibit indicated by Padlock Icon.
4. The selected time will ash, use the arrow keys to adjust in 5
minute increments.
5. Select the other events [1-4] to edit/check their times and
function as required.
6. When all events for the current day Tap to save.

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3Copy Timers or Exit Timer Setup
1. The ashing Copy icon indicates the option to copy just edited
settings to another day.
2. Tap the Enter Key to commence copy procedure.
3. Tap the Exit key to start editing another day’s times or press a
second time to exit to Run Mode.
4. When copying; the just edited day is ringed and the following
day has a ashing ring. Tap the Enter key to select this day, solid
ring indicates selection or use the arrow keys to choose days and
the Enter key to select/deselect.
5. When all required day(s) have been selected tap the Save key to
complete the copy and return to step 1Day Selection Screen.
6. Repeat day, event and timer setup or tap the Exit key to return to
Run Mode.

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Timer Defaults
Event timings:
The Speed 2 cannot be set earlier than Speed 1.
Events where Speed 1 and Speed 2 are identical are ignored by the timer.
Days Event
Speed 1 Speed 2
00:00 06:30
08:30 12:00
13:30 18:00
22:30 00:00
00:00 07:30
09:30 12:00
14:00 18:00
22:30 00:00
Press & Hold the Timer Tab to load/reload the above default
setting for the timer; this action also opens Timer Setup.

19

20
Controller Setup
Enter key.
Exit Key.
Tap the Setup Mode tab to enter the Setup Mode menu.
All the editable settings in the Controller Setup menu are accessed in the same way.
Menu navigation is achieved by rst Setting Selection and then Editing.
Setting Selection
Arrow keys are used to select a setting, the setting will ash.
Tapping the Enter key will allow the setting to edited.
Tap the Exit button to return to Run Mode.
Setting Editing
Arrow keys are used to change setting value.
Tapping the Enter key whist editing will save and move to the
next setting in the list.
The order in which editable settings are displayed is as follows.
1. Time (24 hour clock)
2. Day of week.