Hotwire HWTH Horizontal Thermostat Instructions
- June 12, 2024
- Hotwire
Table of Contents
Hotwire Thermostat
Instructions
Model Number: HWTH Horizontal
HWTH Horizontal Thermostat
LCD symbols
Icon Legend
| The buttons are locked
| Heating is turned on
| Frost protection activated
AUTO| Automatic mode, executes the programmed schedules
Override| Temporary temperature override
Er| The floor sensor is not being read by the thermostat
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:
- Touch the “Time” 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.
- Touch the “Day” and then press the + or – buttons to adjust. Sunday is day “1”
- 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.
Programming your Thermostat.
This section will help you programme your thermostat automatically. If you
want to simply turn it on and off when required skip this section.
-
Press The current Day will flash. Press “All Days” to set the same heating schedule for every day. Or press next to set each day differently.
-
Press and is displayed. This is the first programme function of the day.
-
The time is now flashing. Select the time you want the heating to come on in the morning. Then press next.
-
The temperature is now flashing. Set the temperature that you want the floor to heat to. Then press next.
-
The LCD screen will show programme 2 and the time will be flashing. This is the time that the thermostat will switch off in the morning.
-
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.
-
Press and the icon 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.
-
Press and the LCD screen will show programme 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 are programming each day differently the above will need to
be repeated for each day.
Default Programming is as follows.
| Programme | Start Time | Setpoint | Explanation |
|---|---|---|---|
| 1 | WAKE | ||
| 07:00 | 22 °C | This is the time the heating will come on in the morning. | |
| 2 | LEAVE | ||
| 09:30 | 16 °C | This is the time the heating will switch off in the morning. It |
can also be used to set a minimum temperature for the day.
3| RETURN
16:30| 22 °C| This is the time the heating will come on in the afternoon.
4| SLEEP
22:30| 16 °C| This is the time the heating will switch off in the afternoon /
evening.
If you do not require the heating in the afternoon / evening, simply set this
time to a couple of minutes after the “on” time.
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.
Connect green wire from the element to the house earth.
This product should be installed by a qualified electrician.
Manual Mode
Press to select Auto/Manual mode. In Manual mode, the thermostat maintains a
constant set temperature manually set by the user. A sun and flame symbol is
displayed. To increase the temperature press the Degrees and then increase or
decrease by pressing the + or – buttons.
When off Moon is displayed. Or if you are going way select the suitcase and
the heating will stay off until you return.
Lock the Keypad
To lock the keypad press and hold the bottom left hand corner of the screen
for 5 seconds. To unlock repeat.
Reset to Factory Setting
The conduct a master reset to factory settings, press the power button to turn
the thermostat off. Press and hold Menu for 5 seconds. Move to menu 17 then
hold the down button for 5 seconds. 
Configuration Menu
To enter into the setting menu please follow the steps below:
Step 1. Turn the thermostat off by pressing
Step 2. Press you will then see menu 01.
Step 3. Use the up and down arrows to adjust the sensor selection which
is Menu 01(Air sensing;Air and Floor, or Floor only)
Step 4. Press to move to the next Menu and once you have all the menu
options set,
Setp 5. Press to accept and store.
| Menu # | Feature | Explanation | Adjustment (Press up & down buttons to adjust) |
|---|---|---|---|
| 1 | Mode/Sensor Selection | This thermostat is a combination model which allows |
you to choose 3 different modes.
A mode = Air Sensing Only(Has built in sensor)
AF mode = Air & Floor sensing (Floor probe must be installed)
F mode = Floor Sensing(Floor probe must be installed)| A / AF / F
2| Switching differential| 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.VVith 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.| 1 Deg C, 2
Deg C….10 Deg C ( 1 Deg C by default)
3| Air Temp Calibration| This is to recalibrate the air temp if required| -1
Deg C = decrease 1 °C , 1 Deg C = increase 1 Deg C
4| Floor Temp Calibration| This is to recalibrate the floor temperature if
required| -1 Deg C = decrease 1 °C , 1 Deg C = increase 1 Deg C
5| Temperature Readout
(AF mode only)| This gives you the option to show the Air Temp, Floor Temp or
to show both Air & Floor at intervals| A = Show Air Temperature
F = Show Floor Temperature
A-F = Show Floor and Air Temperature in 5 sec intervals
6| Maximum Floor Temp
( AF Mode only)| This is to protect the floor surface| 20 Deg C – 40 Deg C (40
Deg C by default)
7| Temperature Format| This allows the temperature to be set to show
Deg Celsius or Deg Fahrenheit| Deg C / Deg F
8| Clock Format| You can select the clock to show in either 12 or 24 hour
time| 24 (default), 12- hour or 24-hour clock format
9| Frost Protection| This is to avoid your room temp going below 5 DegC| On =
activated, Off = deactivated
10| 5+2 / 7 Day mode| This allows you to programme 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 Programming
02 = 7 Day Programming
11| Auto/Manual mode selection| This allows you to choose Auto / Manual mode|
00 = Auto mode
01 = Manual mode
12| Software version| This is for review only| V1.0
13| Minimum temperature
limit| This gives you the option to change the minimum set temperature| 5 *C∼
20 °C (5 °C by default)
14| Maximum temperature limit| This gives you the option to change the maximum
set temperature| This gives you the option to change the maximum set
temperature
15| Sensor type selection| This allows you to match your thermostat to
different sensor| 10 = NTC10K(by default), 100= NTC100K, 3=NTC3K
16| Not at use| Reserved for future use|
17| Reset| This allows you to reset your thermostat to factory default| Press
and hold down button until you see RES on screen
AUSTRALIA
Hotwire Heating
WWW.HOTWIREHEATING.COM.AU
NEW ZEALAND
The Heating Company
www.theheatingcompany.co.nz/