Danfoss RET2000 B Guide D'installation page 11

Locking and Limiting
The RET2000 has an Advance Programming Mode in order to set
up temperature lock and limit settings.
• Press the V button when in heat mode or Λ button when in
cool mode until the standby mode is reached.
• The Λ button or V button should then be released and then
pressed and held for a further 5 seconds to enter the Advanced
Programming Mode.
• To indicate that the unit is in Advanced Programming Mode
the Standby Indicator will flash and the display will show the
setting number alternating with the current value for that
setting.
• To change the setting press either the Λ or V button.
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