STIEBEL ELTRON Heat Pump to The Internet Internet Service Gateway Instructions
- June 3, 2024
- STIEBEL ELTRON
Table of Contents
Connecting your Heat Pump to the Internet:
Internet Service Gateway instructions
Heat Pump to The Internet Internet Service Gateway
The below manual is your step by step guide to connecting your STIEBEL ELTRON
hydronic heat pump to your local network in order to enable online access to
your system. With the Internet Service Gateway (ISG) set up correctly, you
will be able to
monitor and graph your heat pump’s operation cycles and power consumption
change system heating settings
switch operation modes incl. shutting down operation
program its operation times
remotely access your heat pump when outside of home
use the ISG to activate energy management settings where applicable
We kindly ask that the below steps are carefully read and followed. If
hardware issues (such as the Internet Service Gateway not connecting) arise,
please seek out help from your installer first to ensure that all devices and
wiring have been commissioned as per the instructions given by STIEBEL ELTRON.
For local network issues such as firewall blocking or IP assignment related
problems, please consult your IT service contractor or internet provider.
Step 1 – Hardware check
1.1 ) Check the X1 and X2 LEDs on your ISG modem. X1 should flash green,
rapidly. If it does not, the CAN connection to the heat pump manager is not
detected.
1.2) X2 will be solid red.
| LED X1 | CAN connection status |
|---|---|
| constant rapid flashing | connection established |
| flashing | connection is being established |
| no connection | |
| LED r2 | Portal status |
| --- | --- |
| illuminated red | no connection (connection is aborted after 3 attempts) |
| red rapid flashing | Contact the service department. |
| red / green flashing | Connection attempt |
| illuminated green | connection established |
| green flashing | Data transmission |
Step 2 – Accessing Servicewelt on computer
2.1 ) Open your browser (safari, chrome, internet explorer) on a computer
connected to the same network as the ISG modem.
2.2 ) Enter servicewelt into the URL and press Enter.
If the below portal opens, skip ahead to Step 3. 
2.3 ) Failing that, write http://servicewelt.com into the URL and press
Enter. If Servicewelt still does not respond, try the automatically assigned
IP 192.168.0.126 in the URL and press Enter. If neither open the Servicewelt
portal, find the IP assigned to the ISG by looking at your network settings.
http://www.stiebel-eltron.de/| http://www.stiebel-eltron.de/isg/|
http://10.100.153.68:80/Index.php
---|---|---
Copy and paste the IP into your browser’s URL to access Servicewelt.
For Mac Users: download a network scanning app to detect your ISGs device IP
in your local network. Enter the assigned I.P. into the browser URL and
proceed.
Step 3 – Registering your ISG
3.1 ) On the landing page, click the language tab in the top bar first and change it to English.
3.2 ) After returning to the landing page, locate the Portal Status box on the
right hand side and click establish connection. 
3.3 ) Go through the process (accept data protection conditions) and enter your details when prompted. Critical for a successful registration:
- Fill in all fields (from surname to appliance type and number)
- If the ‘Country’ box (LAND in German) prompts typing, type — (three hyphens)
If this selection is a drop box instead listing countries you can click on
Australia and proceed.
Important: The correct serial number must be entered. A portal key will not be
emailed without it provided and the application will have to be re-submitted.
3. 4) Confirm and submit the request for the portal key. The portal key will
be sent out to your email, as provided during the registration process. This
can take up to 24 hours.
If the email does not arrive, please contact service on 1800 153 351 or email
service@stiebel-eltron.com.au to
notify us.
Step 4 – activating the ISG
4. 1) Return to the Servicewelt landing page.
4. 2) The portal window will have updated to ‘Portal key was
requested’.
4. 3) Click Enter portal key and use the code emailed to you to complete the
set up.
Upon completion, the portal status will change to green. The set up is now all
done. Please contact us if a mobile login (accessible outside of your local
network) is desired. Our team can enable this immediately. 
