Climatech CTSmall Quick Manual

GSM

IR

SYS

QUICK GUIDE

Buy a SIM card (normal size) and use
your phone to unlock the PIN. Make
sure there is money on the SIM card.

Push the SIM card in the slot on
the side of CTSmall until it clicks.

SYS LED will start to ash.

Connect the power adapter
to CTSmall and a wall outlet.

The GSM signal must be stable with

minimum 2 ash in signal strength. The
signal is ashed out on the SYS LED every
10 second. This only happens the rst

10 minutes after powering up the unit.

The SYS LED are ashing green fast

when sending and receiving a SMS. If

there are any problems when sending

a SMS SYS LED will ash red.

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Go to www.CTSmall.eu if you want the Quick Guide in your language.

45°

Mount CTSmall on the wall with the IR
LEDs pointing directly towards the heat
pump / air condition. The two LEDs has

a combined 45° viewing angle.

Make sure you test that
all is working stable.

Prepare CTSmall with SMS:

Set the brand (your heat pump model) as: 1234,Brand
– wait for the returning SMS. Enter your heat pump /
air condition brand as it appears in the return SMS,
for a LG: 1234,Brand,LG

If you want active alarms from temperature or

power fail, enter at least one number in the list as:

1234,PhN1,[phone]

See the SMS command list for more commands.

Prepare CTSmall with our app:

Download our free app from www.CTSmall.eu/app

Select a language
Enter the phone number for your CTSmall

Leave code as 1234

Select the brand from the list

Give CTSmall a name

Enter your mobile number for returning alarm message
Press “Add” … that’s it.

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www.CTSmall.eu/app www.Support.CTSmall.eu

Out1

Out2

Relay box (not included)

Scan the code to
download the app.

Available for:

iPhone

Android
Windows Phone

Get the app Get support

Scan the
code for
support or
access to
the know­ledgebase

If you have purchased the Climatech
relay box, connect it to CTSmall with the
cable and connect the power supply in
the power outlet of the relay.

SMS command: 1234,Out1,0 or
1234,Out2,1 (see SMS command list).

Specication for the two relay contacts:

Maximum 30 VDC or VAC / 3Amp
The contact is type N.O.

WARNING:
Installation MUST be done by a
professional electrician

Power

SMS commands

1234,Heat,8 (the pump is now on Heat at 8°). Values: 0, 8, 10, 16-24

1234,Heat,22 (the pump is now on Heat at 22°)
1234,Cool,18 (the pump is now on Cool at 18°)
1234,Heat,0 (pump stop)
1234,Cool,0 (pump stop)
1234,Low,10 (alarm sent with less than 10°). Values: 0-30 (0=OFF)
1234,High,17 (alarm sent with more than 17°). Values: 1-45
1234,Name,(give the controller a name)
1234,PhN1(1-4),[phone] (alarm number 1 – max. 4.

Remember country code, such as “+45”)

1234,Brand,Toshiba (see our website for complete list of brands or

use the function 1234,Brand)

1234,Brand (get a list with all supported brands and

correct notation)

1234,TCal,-2 (adjust the internal temp. sensor, -5° to +5°)
1234,Status (general status)
1234,StatusPhN (get a list with all entered emergency numbers)
1234,IRTest (help function when mounting your CTSmall)
1234,TLog (return the log – every hour the temperature is saved to a

log. There is a backlog of 35 hours)

1234,Out1,1 (Out1 is ON)
1234,Out1,0 (Out1 is OFF)
1234,Out2,t (Out2 is Toggle (Toggle is to switch the relay with 1,5

second delay))

1234,Event,H (0=OFF / 1=ON / H=HELP)
1234,Help (get a list with all possible commands)

Feature overview

Petite, suitable everywhere (L70 x B40 x H20)
Integrated antenna
Warning for temperatures below +5°
Warning for temperatures over +45°
Warning for low self-selected temperature between 1-30°
Warning for high self-selected temperature between 1-45°
Power alarm – you will be notied so that you can prevent

fridge, freezer etc. from damage

During a power failure a status report is sent for each 2°

temperature drop if the room temperature is below 10°

Temperature sensor with built-in calibration (-5° – +5°)
Built-in timer function (Event)
GSM roaming supported
4 alert numbers
Self-selected unique ID, for example your address
Long IR range which enables it to be placed far from the

heat pump

GSM module works worldwide at GSM (2G)

(850 / 900 / 1800 / 1900 MHz)

All user setup data stored safely
Li-Po battery with backup power for about 3 days
PSU with EU-plug
Custom-made software on request

Specication for the two relay contacts:

Maximum 30 VDC or VAC / 3Amp
The contact is type N.O.