Toshiba RAS-M10PKVP-E Service Manual page 61

10-4. Which Models Can Be Combined
Table of models that can be used in combination
Type Outdoor unit Combinations of indoor unit models that can be connected
Heat pump RAS-M18UAV-E 07 + 07, 07 + 10, 07 + 13, 07 +16, 10 + 10, 10 + 13, 10 + 16, 13 + 13, 13+ 16
NOTE:
A 1-room connection is not an option for the indoor units (you cannot connect only one indoor unit).
A 2-room connection must always be used for the indoor units (you must connect two indoor units).
With the RAS-M18UAV-E outdoor unit model, the 16 + 16 combination is not an option.
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