Amuheat AT8V2 Operational Manual

Brand: Amuheat

Model: AT8V2

Category: Thermostats

Type: Operational Manual

floor heating thermostats

amuheat

AT8V2

Operational Guide

Programmable Thermostat

1. Getting Started

Amuheat’ AT8V2 touch screen thermostats are specifically

designed for underfloor heating systems. The thermostat

offers an automated temperature control of ambient air

temperature, floor temperature or control of ambient temp

whilst maintaining the floor temp within desired limits using an

external temp sensor.

For support call Amuheat on (02) 9114 6934 or visit

www.amuheat.com.au.

LCD Display & Button Legend

The buttons are locked

Heating is turned on

Frost protection activated

Program number

Manual mode

Automatic mode, executes the programmed schedules

Temporary temperature override

The floor sensor is not being read by the thermostat

Economy temperature

Comfort temperature

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. Touch the time display and the time will start flashing. Use

the up and down arrows to set the time. By holding the arrow

down the time will change faster.

2. Press NEXT to move to the Day setting and use the up and

down arrows to get to the correct day.

3. Press DONE 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 to adjust menu setting (refer

to table below)

4. Press NEXT to move to the next Menu and repeat step 3

through all menu option sets (refer to table below)

5. Press DONE to accept and store

Mode/Sensor selector

Switching Differential

Air Temp Calibration

Floor Temp Calibration

Temperature Screen Readout (AF mode only)

Maximum Floor Temp (AF mode only)

A mode = control of ambient temperature

F mode = control of floor temperature (floor probe

must be installed)

AF mode = control of ambient and floor temperature

(floor probe must be installed)

The number of degrees difference before switching.

The default is 1°C which means the thermostat will

switch the heating on 0.5°C below the set

temperature and will turn it off 0.5°C above the set

temperature. With a 2°C differential the heating will

switch on 1°C below the set temperature and will

switch off 1°C above the set temperature.

This is to recalibrate the air temperature if required

This is to recalibrate the floor temperature if required

This gives you the option to show the Air Temperature

(A), Floor Temperature (F) or to show both Air & Floor

at intervals (AF).

This is to protect the floor surface.

Tip: Choose mode A for direct heating or where no

floor sensor is installed, mode F for background

heating or floor warming only, mode AF for timber &

vinyl floors heating

Tip: 1°C is the default/reccommended setting

Tip: Do not change unless required

Tip: Only applicable in AF mode.

Tip: Only applicable in AF mode. Set temp limitation

for timber, vinyl& concrete floors to 27°C, carpet

flooring to 28°C and tiles/screed 30°C.

Menu Feature

Page 1

floor heating systems

amuheat

Temperature Format

Program Mode

This alows the temperautre to be set to show °C or °F

00 = Permanent manual mode

01 = Auto mode

Clock Format

Frost Protection

5+2/7DayMode

You can select the clock to show in either 12 or 24

hour time

This is to avoid room temperature going below 5 °C

On = activated

Off = deactivated

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 = 5+2 day programmable

02 = 7 day programmable

Tip: Set frost protection to On

Tip: Where automated is the same across the week

irrespective of day, set to 02.

Menu Feature

4. Operation

The thermostat has 4 modes of operation. When the

appears on your screen, the floor is heating.

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.

1. Press SCHEDULE and the day display will start flashing.

Using the arrow to select the day you wish to programme.

Then press NEXT . (If your thermostat is set to 5+2 day

programmable mode, the programming will skip to step 3)

Auto Mode

Refer to Menu 10 to set this up.

Default Schedule

To modify the schedule:

WAKE

07:00

LEAVE

09:30

RETURN

16:30

22:30

SLEEP

22 °C

16 °C

22 °C

16 °C

Set to the time you would like to

wake to and the temperature

you want during the morning,

until you leave for the day.

Set to the time you leave home

and the temperature you wish

your home to maintain while you

are away at work perhaps.

Set to the time you return home

at end of the day and the

temperature you want during

evening until bed time.

Set to the time you sleep and the

temperature you want overnight

(usually a comfortable and

energy saving temperature).

Prog Start Time Set Point Explanation

2. To select every day to follow the same program simply

press All Days. Press NEXT

3. The LCD screen will show scheduled programme 1. This is

the first programme function of the day.

4. The default start time for the scheduled program is now

flashing. Adjust the time programme 1 event it should

commence. Then press NEXT

5. The temp is now flashing. Set the temp that you want the

floor to heat to during schedule programme 1 event.

6. Repeat steps 3,4&5tosettheschedule program event

2,3 & 4. Press DONE to store and exit.

Press MODE to select Auto/Manual mode.

In Manual ( )mode, the thermostat maintains a constant

set temperature manually set by the user. To adjust the set

temperature in Manual mode press the temperature and

increase it to the required level. In Auto mode, the

thermostat executes the preprogrammed schedules.

Touch the temperature display, and it will start to flash. Use

the up or down buttons to adjust. Press DONE to accept,

and you will see "Override" above the temperature display.

The thermostat will maintain the new set temperature until

the next programmed event. To cancel the override setting,

press RUN SCHEDULE

The Holiday function reduces the temperature in your room

to the frost protection temperature. The thermostat will

maintain this temperature for the duration of the holiday and

will then automatically return to the programme mode on

your return. Press HOLIDAY and enter the duration of your

holiday. Press DONE . To cancel a Holiday, reduce the

holiday period to 00 days.

To lock the keypad, press and hold the top left corner of the

display for 5 seconds. You will see a lock symbol appear. To

unlock, repeat the steps above and the symbol will

disappear.

With thermostat turned off, press and hold OFF for 5 seconds

until you see --:-- on the LCD screen.

Mode A Control Tip: The recommended air temperature

setting is 19-21°C.

Mode F Control Tip: The recommended floor temperature

setting for tile floors is 24-28°C, carpet 25°C, slab, vinyl &

timber 27°C.

Tip: During the Off or Away periods the floor heating does not

turn off but it heats to the selected set back temperature

(economy temperature). Set back temperature should be

6°C below comfort heating setting. Where no set back is

required or to switch heating off during a programme event,

adjust the heating setting down to the min 5°C.

Tip: 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.

Tip: For permanent manual mode, set menu11 in step 2.

Auto/Manual Mode

Temporary Temperature Overide

Holiday Function

5. Lock the Keypad

6. Reset to Factory Settings

Page 2

floor heating thermostats

amuheat

AT8V2

Installation Guide

Programmable Thermostat

Amuheat’ AT8V2 thermostat is an electronic touch screen

on/off thermostat for temperature control by means of an

NTC sensor located either externally or internally within the

thermostat.

The thermostat is for flush mounting in a wall plate/bracket.

Disconnect the power supply before carrying out any

installation or maintenance work on this control unit and

associated components. This control unit and associated

components should only be installed by a competent person

(i.e. a qualified electrician). Electrical installation must be in

accordance with appropriate statutory regulations.

It is recommended that the sensor cable be placed in a non-

conductive conduit embedded in the floor. The end of the

pipe must be sealed and the pipe placed as high as possible

to the surface of the floor finish.

The sensor cable must be led through a separate conduit

from power cables. The tip of the floor sensor must be

centred between the heating cables.

The sensor cable may be extended up to 100m by means of

a separate two-core cable. The two-core cable must be

placed in a separate pipe or segregated from power cables.

The room sensor is used for comfort temperature regulation in

rooms. The thermostat should be mounted on the wall

approx. 1.6 m above the floor in such a way as to allow free

air circulation around it. Draughts and direct sunlight or other

heat sources must be avoided.

Carefully separate the front half of the thermostat from the

back plate by placing a small flat head terminal driver into

the slots on the bottom face 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.

Screw the thermostat back plate on to the flush box

Re-connect the thermostat ribbon cable and clip the two

halves together.

WARNING

Installation of the External Floor Sensor

Mounting the Thermostat with Built-in Sensor

– Important Safety Instructions.

Mounting of thermostat

Alternatively, the sensor can be embedded directly in the

floor. Note this will make replacing the sensor impossible

should it fail.

Page 1

First time settings:

Programming

The first time the thermostat is connected the Time, Date and

Controller settings must be configured. See operational

guide.

See user manual.

Technical Data

Supply voltage

Output relay

Temp. range

Floor. range

Clock function

Battery backup

Ambient temp

On/Off differential

Protective housing

Housing material

External sensor

Size

Approvals

Warranty

230V AC

16A resistive load

+5/+35°C

+5/+40°C

4-event program

1 x Cr1220 3V

0/+40°C

0.5°C

Ip20

NTC (10K Ohms)

120mm×80mm×16mm

3 Years

PC+ABS

Amuheat Pty Limited

Lg1 64 Talavera Road Macquarie Park NSW 2113

Tel: +61 2 9114 6934 Fax: +61 2 8211 5180

[email protected] www.amuheat.com.au

Floor Sensor

LOAD (16A)

FEED (230VAC)

654321

Amuheat AT8V2 Operational Manual

Brand: Amuheat

Model: AT8V2

Category: Thermostats

Type: Operational Manual

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Amuheat AT8V2 Operational Manual

Amuheat AT8V2 Operational Manual

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