16 | About the units and options
Installer and user reference guide
66
RXYSA4~6A7V/Y1B
VRV 5-S system air conditioner
4P600330-1 – 2020.01
16.5.3 Possible options for the outdoor unit
Bottom plate heater (EKBPH250D7)
▪ Prevents freeze-up of the bottom plate.
▪ Recommended in areas with low ambient temperature and high humidity.
▪ For installation instructions, see the installation manual of the bottom plate
heater.
Cool/heat selector
In order to control the cooling or heating operation from a central location, the
following option can be connected:
Description Model name
Cool/heat changeover switch KRC19-26A
With optional fixing box for the switch KJB111A