Service Menu - Mitsubishi Electric Ecodan EHST20 serie Para El Instalador

5
System Set Up

Service Menu

The service menu provides functions for use by installer or service engineer. It is
NOT intended the home owner alters settings within this menu. It is for this
reason password protection is required to prevent unauthorised access to the
service settings.
1. From the main setting menu use F2 and F3 to highlight the service icon then
press CONFIRM.
2. You will be prompted to enter a password. tHe FACtOry deFAUlt
PASSWOrd iS "0000".
3. Press CONFIRM.
(It takes approx. 30 secs to load the service menu.)
The service menu is navigated using the F1 and F2 buttons to scroll through the
functions. The menu is split across two screens and is comprised of the following
functions;
1. Manual operation
2. Function settings
3. Thermistor adjustment
4. Auxiliary settings
5. Heat source setting
6. Operation settings
7. External input settings
8. Running information
9. Thermistor reading
10. Summary of settings
11. Error history
12. Password protection
13. Manual reset
14. SD card
In this Installation Manual, instructions will be given only for the following
functions;
1. Manual operation
2. Auxiliary settings
3. Heat source setting
4. Operation settings
5. External input settings
6. Password protection
7. Manual reset
8. SD card
Information on the other functions can be found by consulting the service manual.
note: Many functions can not be set whilst the indoor unit is running. the
installer should turn OFF the unit before trying to set these functions.
if the installer attempts to change the settings whilst the unit is
running the main controller will display a reminder message
prompting the installer to stop operation before continuing. By
selecting "yes" the unit will cease operation.
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Screen 1 of service menu
Screen 2 of service menu
System off prompt screen