Amuheat AT8H3 Operations & Installation Manual

amuheat
floor heating thermostats
amuheat
floor heating systems
1. Getting Started
Amuheat's AT8H3 touch screen thermostats are specifically
designed for underfloor heating systems. The thermostat offers
automated temperature control of the air temperature, floor
temperature or control of air temperature whilst maintaining the floor
temperature within desired limits using an external temperature
sensor.
When your thermostat is first connected to mains power, wait for
about 30 seconds until the touch pad has self-adjusted. Press the
POWER button to turn on/off the thermostat. When your thermostat
is turned off, the LCD will display OFF.
LCD Display & Button Legend
The screen & buttons are locked
Heating is turned on
Frost protection activated
PROGRAM 1,2,3,4 Program number
Manual mode
Automatic mode, executes the programmed schedules
AUTO
Temporary temperature override
OVERRIDE
The floor sensor is not being read by the thermostat
Er
Increase
Decrease
2. Setting Clock & Day
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. Press TIME and the time will start flashing. Use the up and down
buttons to set the time. By holding the arrow button down the time
will change faster.
2. Press NEXT to move to the Day setting and use the up and down
buttons to et to day. s
3 . Press OK to store and exit.
3. Customise Controller Settings
To enter into the setting menu follow the steps below:
1. Turn the thermostat off by pressing POWER .
2. Press MENU and you will then see menu 01.
3. Use the up and down arrows
(refer to table below).
4. Press N EX to move to the next Menu and repeat step 3 through T
all menu option sets (refer to table below).
5. Once you have all the options set press OK to accept and store.
to adjust the selected menu setting
Menu Feature
01 Operation Mode Selector
00 = Auto (default)
01 = Permanent manual mode
Sensor Selector
02
F mode = control of floor temperature via installed
A mode = control of air temperature via internal sensor
AF mode = control of air and floor temperature via internal
Tip: Choose mode A for direct heating or where no floor
sensor is installed, mode F for background heating or floor
warming only, mode F for timber & vinyl floors heating
03 Maximum Floor Temperature Selector (F & AF mode only)
This is to protect the floor surface (default 28
04 Floor Temperature Calibration
This is to re-calibrate the floor temperature if required
between -25
05 Air Temperature Calibration
This is to re-calibrate the air temperature if required
between -5
06
Temperature Screen Readout (AF mode only)
This gives you the option to display the Air Temperature (A),
Floor Temperature (F), or to show both Air & Floor
Temperatures (AF) in intervals (default AF).
07 Frost Protection
When turned on and the temperature falls below 5
heating will automatically turn on to maintain minimum 5
On = activated
Off = deactivated (default)
08 Program Mode Selector
This allows you to program either 5 days at once, then the 2
days of the weekend separately, or a full 7 days at the same
time, or 7 days separately.
01 = 7 day programmable (default)
02 = 5+2 day programmable
Clock Format
09
You can select the clock to show in either 12 or 24 (default)
hour time
© 20 23 Amuheat Pty Limited
Operational Guide Programmable Thermostat
floor probe sensor (default)
&floor sensor probe
°C to +25 °C (default 0 °C
°C to +5 °C (default 0 °C ).
AT8H3
Software Version A1.0
°C ).
).
°C , the
°C .
Page 1