BRC2E52C7 / BRC3E52C7
Operation manual
4P368042-1 - 2014.02
22
Basic Operation Method
Precautions for Setting Cooling/Heating Selection Eligibility
• The cooling/heating selection eligibility needs to be set for a single remote controller in the
following case.
A number of indoor units are
connected to a single outdoor unit.
Set the cooling/heating/fan selection
eligibility in one of the remote controllers.
A single BS box is connected to a
number of indoor units.
Set the cooling/heating/auto/fan selection
eligibility in one of the remote controllers.
BS (Branch Selection) box:
The BS box is used for cooling or
heating mode selection.
Indoor unit
Indoor unit
(Heat Recovery system)
(Heat pump system)
Key Lock
Operation Method
Disable the use of all buttons.
1
28
°C
• Press the Menu/Enter button for at least
4 seconds. (During backlight lit)
2
Buttons have been locked.
Press the menu button for
4 seconds to release.
Return
• All buttons are disabled when the keys are locked.
• When one of the buttons is pressed, the message
on the left is displayed.
3
• To cancel the key lock, continue pressing the
Menu/Enter button for at least 4 seconds. (During
backlight lit)
Summary of Contents for BRC2E52C7
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