Thermann Installer's Manual
Thermann X Split Heat Pump
22
Heat setting mode
• Set the heating mode to either ON (Unit Runs) or OFF (Unit cannot operate). Press Enter
one more time to access, then use ▼/▲arrow keys to toggle between Heat On and Heat
O. Press Enter to confirm choice. To bypass the Heat Setting simply press ▲ key to
access the next parameter in the mode.
Block out time setting mode
• Set the block out time (Time of use) (see page 18)
Error history display mode
• Check the history of any errors that may have occurred Enter into Maintenance Mode,
press ▲ key to access Error History then press Enter to access. This records 8 errors that
have occurred on the system, this can be used for troubleshooting after an error code has
been cleared by cycling the power to the unit. The most recent error code is displayed
first, previous error codes can be seen by pressing the ▼ key. To bypass the Error History
simply press▲ key to access the next parameter in the Maintenance menu.
Parameter display mode
• Enter into Maintenance Mode and press▲ key to access Parameter Display then
press Enter to access. This displays all of the values currently measured by the unit’s
temperature sensors, this can be used for troubleshooting and general unit performance
questions. When first entering this mode the display will cycle between no00 and
the actual data value ****, to access the other data points use▼ key. To bypass the
Parameter Display, simply press▲ key to return the first option mode in the Maintenance
Mode. To exit Maintenance Mode, hold Enter key or do not press any key for 60 seconds
and control will default to sleep mode and revert to the current time display when
awoken.
Air removing mode
• Enter into Maintenance Mode and press ▲ key to access Air Removing Mode then press
Enter to acces. In this mode the pump will run for 5 minutes to bleed air from inside of
piping.
MAINTENANCE MODE (CONT)
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