AUTR220 Dual Hotwire Thermostat Instructions
- June 17, 2024
- Hotwire
Table of Contents
AUTR220 Dual Hotwire Thermostat Instructions
Configuration Menu
The thermostat is a Dual Control model. You can use it to program both your
Hotwire Floor Heating and Hotwire Heated Towel Rail. This manual outlines how
to program the unit. If you have any difficulties we have a step by step video
on our website at,
www.hotwireheating.com.au (Australia)
www.theheatingcompany.co.nz (New
Zealand)
LCD symbols
Alternating Heating Zones
In order to alternate between the devices or heating zones being controlled
press and hold “ ? ” The LCD will display temperature (e.g. 22 °C )or ON/OFF.
Temperature will be your under floor heating. ON/OFF will be your heated towel
rail.
Setting the clock and day of the week
This thermostat is fitted with a real time clock. It is essential that the
clock time and day are set accurately if you require your programmed events to
start on time. To set follow the steps below:
(1). Touch the “? ” button and the time will start flashing. Use the increase
and decrease buttons to set the time. By holding these buttons down the time
will change faster.
(2). Press ? to move to the Day setting and use the increase and decrease
buttons to get to the correct day.
(3). Press ? to store and exit.
Setting the Programme Schedules
This thermostat has the ability to programme each individual day of the week
separately, or programme 7 days of the week at once. You can also programme
weekdays (5 days) to one schedule and then weekends (2 days) to a different
schedule. See the Menu information for details on how to set this up.(refer to
Menu 9) See page 4 of this manual.
Programming your Thermostat.
This will help you programme your thermostat to come on and off automatically.
If you want to simply turn it on and off when required skip this section. When
programming Zone 2 for your Heated Towel Rail it will not be necessary to set
the temperature in the below steps. You simply set the time only and then
select “On” for options 1 and 3, and “Off” for options 2 and 4.
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Press ◉ and the day display will start flashing. Using the Increase or Decrease button to select the day you wish to programme.(If your thermostat is set to 5+2 day programmable mode, the programming will skip to step 3)
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To select every day to be the same simply press and hold the Decrease button.
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Press ◉ and Program 1 is displayed. This is the first programme function of the day.
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The time is now flashing. Select the time you want the heating to come on in the morning. Then press ◉ .
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The temperature is now flashing. Set the temperature that you want the floor to heat to. Then press .
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The LCD screen will show Program 2 and the time will be flashing. This is the time that the thermostat will switch off in the morning.
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Use Increase and Decrease buttons to adjust the time you wish the heating to switch off in the morning on the selected day or days.
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Press ◉ and the temperature will start flashing. This can be used to maintain a minimum temperature. In most cases this is not required and the temperature should be set to 5.
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Press ◉ and the Program 3 will display. The time is also flashing. Set the time at which you want the heating to come on in the afternoon or evening.
NOTE: If you do not wish the heating to come in the afternoon, simply set the “off” time for only a couple of minutes after the “on” time. -
Press ◉ and set the temperature required in the afternoon.
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Press ◉ and the LCD screen will show Program 4. This is the time that the thermostat will switch off in the afternoon / evening. Press and set the temperature. As per above we recommend 5. Then Press.
(*). Hint: If you use the default programming of 5 week days plus 2 weekend
days you will now need to repeat the above steps for the weekend.
You may use to delete time periods for the weekend schedule.
Default Programming is as follows.
Installation and Wiring
Carefully separate the front half of the thermostat from the back plate by
unscrewing the small screw at the bottom of the thermostat. Carefully unplug
the ribbon connector which is plugged into the front half of the thermostat.
Place the thermostat front half somewhere safe. Terminate the thermostat as
shown in the diagrams below.
Screw the thermostat back plate onto the flush box
Re-connect the thermostat ribbon cable and clip the two halves together.
Change between Manual and Auto Mode
To change between Auto and Manual mode press and hold .In manual mode, the
thermostat maintains a constant set temperature manually set by the user.
Simply adjust the temperature using the arrows. In Auto mode, the thermostat
executes the preprogramed schedules.
Lock the Keypad
To lock the keypad, press and hold the power button for 5 seconds, you will
see a key symbol ? . To unlock, repeat the steps above and the key symbol will
disappear.
Reset to Factory Setting
The conduct a master reset to factory settings, press the power button to turn
the thermostat off. Press and hold for 5 seconds. Move to menu 16 then hold
the Decrease button for 5 seconds.
⚠ This product should be installed by a qualified electrician.
References
- Heating & Ventilation Solutions New Zealand | The Heating Company
- Heating & Ventilation Solutions New Zealand | The Heating Company