Warnings, Safety Information and Guidance Important Information Important: read these instructions fully before the installation of this appliance 1. This manual covers the operation of the HRV control system only, it must therefore be read in conjunction with the relevant heat recovery unit Product Manual. 2.
Product Overview Product Description The aurastat® VT is a programmable controller and display for commissioning and monitoring a Titon HRV. The aurastat® VT is connected to the HRV via a wired connection. Dimensions Wiring Access Knockout aurastat® VT Packaging Contents Inspect the unit when taking delivery.
Programmable Timers SUMMERboost® The aurastat® VT has two 7 day programmable timers that control Setback SUMMERboost® allows both the supply SPEED1 & Boost SPEED3. Both timers control 3 on/off periods per day. and extract fans to run at full speed The unit by default runs at Continuous SPEED2.
HRV Run Timer Continued..The aurastat® VT displays the total run 2 x Proportional Sensor time of the unit in hours. Inputs Heating Failure Mode Enables connection of environmental sensors to the HRV which can be used This feature stops all ventilation and to proportionally control HRV fan overrides any other speed control speeds.
Installation Fitting aurastat® VT The unit is designed to be wall mounted or fitted over a UK standard single gang recessed metal box. It should be sited in a place that is visible and convenient for the householder. To fit the unit, first remove the front of the unit; The front of the unit is removed by loosening a single screw on the bottom face to the unit, lifting the bottom of the front away from the base and unhooking the top of the front from the base.
User Interface The aurastat® VT provides the user interface for commissioning and monitoring of a Titon HRV. Buttons The aurastat® VT has twelve buttons which control, configure and monitor the HRV. The Buttons on the units have different function depending on which mode the units is in and which menu is active.
Display Icons Icon definitions Status Alert Filter Alert Duct Heater Set Up Frost Program active Summer Mode active Timer active Boost Timer Summer By Pass active Timer OFF Holiday Mode active Timer ONCE Timer AUTO CO Sensor Timer CONTINUOUS Demand Control Ventilation Advance active Kitchen Wet Room...
Menu Sections The table below gives an overview of which item and settings are in which Mode and menu section. MODES Ventilation Modes Timer Modes Menu item User setup Service & Setup Commissioning Reset Timer Setup & Installation SETUP 1 SETUP 2 SETUP 3 RESET 4...
Quick Start Guide Titon recommend that every installer start with the with the Quick Start Guide as a menu familiarization exercise. Using the Quick Start Guide installers can setup the HRV quickly. With the minimum of configuration changes the system will be up and running.
Page 12
Step Action Button Press(es) Screen(s) Enter Clock setup Press key, to enter clock edit Edit minutes Using keys to edit mins value Press key, to enter mins and move to next menu item Edit Hours Using edit hours value Press key, to enter hours and move to next menu item Enter Day setup...
Page 13
Run Modes Setback SPEED 1 Ventilation Boost SPEED 3 Timer Timer Run Modes SETUP Menus Enter setup Enter menu item Enter parameter setting ch between Fan Speed % display Previous / Next menu item & Temprature monitoring Navigation ARROW keys Changes Timer mode +/- keys Increase / Decrease parameter...
Page 14
Step Action Button Press(es) Screen(s) Enter Boost SPEED3 Press key to enter edit setup Edit Boost Supply Rate Using edit supply rate Press and release to modify the decimal Press and hold to modify the integer Press key, to enter value and move to next menu item Edit Boost Extract Rate Using...
Setup Menu Defaults The tables below detail the default values and the range of available settings, plus any additional information about the unit's configurable settings. SETUP1 Configurable Item Range Default Additional information Time Any Time 00:00 24 hour clock. Day of Week Two groups, five week days &...
Page 16
Configurable Item Range Default Additional information Summer Mode Enable/ Enabled Disabled Enabled Disabled in By Pass unit. Disable Summer Mode Extract 17°C 35°C 22°C from dwelling Supply to 15°C 20°C 18°C dwelling Supply Fan 100% Speed The Summer Mode fan speed is a % of Continuous SPEED 2. Therefore care must be taken to set the Summer Mode fan speed at a value that makes the actual fan speed greater than 14%.
Page 17
Set point Low Dynamic Dynamic Sensor Min & Max values are setup in SETUP3 menu Set point High Dynamic Dynamic Recommended Default High & Low Values for sensors Sensor Titon Type Part № high °C TP543 0017 0027 CO₂ PPM TP541 0800...
Additional information Set point Low Dynamic Dynamic 800PPM Sensor Min & Max values are setup in SETUP3 menu Recommended Default High & Low Values for sensors Sensor Titon Set point High Dynamic Dynamic 1400PPM Type Part № high °C TP543...
Page 19
Temperature Sensor - °C, Sensor Min Point 0V 9999 CO₂ Sensor - PPM, Sensor Max Point 10V 9999 Air Quality Sensor - PPM, Humidity Sensor - %RH. Settings required for Titon supplied sensors: Sensor Titon Type Part № °C TP543...
Options are; Temperature Sensor - °C, Sensor Min Point 0V 9999 450PPM CO₂ Sensor - PPM, Air Quality Sensor - PPM, Humidity Sensor - %RH. Settings required for Titon supplied sensors: Sensor Titon Sensor Max Point 10V 9999 1850PPM Type Part №...
Timer Setback SPEED1 Configurable Item Range Default Additional information Days 1 to 5 On 1 00:00 24:00 00:00 On or Off times are set for the current day in increments of 5 minutes. Off 1 00:00 24:00 06:00 An On time cannot be set earlier than the On 2 00:00 24:00...
Installed Configuration. The Tables below MUST be completed by the installer with all configured setting that deviate from the defaults. Default values shown greyed out. SETUP1 Configurable Item Setting Configurable Item Default Backlight Brightness Room Sensor 1 Set point Low 0060 Boost Overrun Kitchen...
Timer Setback SPEED1 Timer Boost SPEED3 Configurable Items Default Configurable Items Default Days 1 to 5 On 1 00:00 Days 1 to 5 On 1 07:00 Off 1 06:00 Off 1 08:00 On 2 12:00 On 2 12:00 Off 2 12:00 Off 2 12:00...
Menu Maps Ventilation SETUP1 1 of 2 Setup Setup Setup Setup Time Day of week Backlight Boost Overrun Timer Enter menu item Enter parameter setting Previous / Next menu item ARROW keys +/- keys Increase / Decrease parameter Back to Setup Menu HOME key...
SETUP1 2 of 2 Setup Boost Done Setup Inhibit Times Internal Humidity Boost Partial...
Page 27
Enter menu item Enter parameter setting Previous / Next menu item ARROW keys +/- keys Increase / Decrease parameter Back to Setup Menu HOME key...
SETUP2 1 of 4 Run Timer Filter Change Setup Setup Reset Filter Change Boost Overrun Interval Timer Enter menu item Enter parameter setting Previous / Next menu item ARROW keys +/- keys Increase / Decrease parameter Back to Setup Menu HOME key...
SETUP2 2 of 4 Setup Setup Summer Summer Mode Boost Alert Mode Timer Enable/ Disable Enter menu item Enter parameter setting Previous / Next menu item ARROW keys +/- keys Increase / Decrease parameter Back to Setup Menu HOME key...
SETUP2 3 of 4 Duct Heater Setup Setup Enable/Disable Duct Room Sensor 1 Heater repeat for Room Sensor 2...
Page 33
Internal NOTE: or 1 Humidity Boost Room Sensor settings are On/O only available in this menu or 2 when enabled in SETUP3. Enter menu item Enter parameter setting Previous / Next menu item ARROW keys +/- keys Increase / Decrease parameter Back to Setup Menu HOME key...
SETUP2 4 of 4 Done Setup Internal Humidity Boost Full...
Page 35
Enter menu item Enter parameter setting Previous / Next menu item ARROW keys +/- keys Increase / Decrease parameter Back to Setup Menu HOME key...
SETUP3 1 of 2 Passcode Setup Continuous Setup Boost Setup Setback SPEED2 SPEED3 SPEED1 Passcode 3333 Enter menu item +/- keys Increase / Decrease parameter Enter parameter setting Previous / Next menu item Back to Setup Menu ARROW keys HOME key...
SETUP3 2 of 2 Room Sensor 1 Setup Setup Frost Protection Enable/Disable Room Sensor 1 repeat for Room repeat for Room Sensor 2 Sensor 2...
Page 39
Done Setup Setup Switch Input 1 Live Switch 1 repeat for repeat for Switch Input 2 & 3 Live Switch 2 Enter menu item Enter parameter setting Previous / Next menu item ARROW keys +/- keys Increase / Decrease parameter Back to Setup Menu HOME key...
RESET4 1 of 1 Passcode Reset Returned to SETUP1 Selecting Yes returns ALL configuable Passcode 6840 values, except commissioned fan speeds to the default values and returns to SETUP1 menu.
Routine Maintenance The aurastat® VT is maintenance free. Cleaning Exterior For best results use a clean damp cloth. Do not use abrasive cleaners, solvents or any other fluids. Error Codes Find below the error codes that the aurastat may display. ...
Menu Map Timers Timer Setback SPEED1 & Boost SPEED2 Setup 1 of 1 Setup Setup Setup Time Day of week Timers ON/OFF periods Enter menu item Enter parameter setting Previous / Next menu item ARROW keys Previous / Next Day +/- keys Increase / Decrease parameter Back to Setup Menu...
Page 43
Done Done is available after Day 7 Setup is complete.