12-1. Precautions on creating a group connection
Take precautions on items described in this section when creating a group connection in the multi
split models.
CAUTION
Group connection to other refrigerant system between the multi systems with same communica-
tion system as shown below is strictly prohibited.
Outdoor unit
: Piping
: Wired remote controller wiring
Indoor unit Indoor unit
Outdoor unit
Indoor unit Indoor unit
• Group connection is allowed only in the same refrigerant system. (Maximum number of con-
nectable indoor units is depend on the outdoor unit.).
Outdoor unit
: Piping
: Wired remote controller wiring
Indoor unit Indoor unit
Outdoor unit
Indoor unit Indoor unitIndoor unit
*Exterior of each device shown above might be different from the actual one.
• Central remote controller (UTY-DMMYM) cannot be connected simultaneously.
: Piping : Wired remote controller wiring
Outdoor unit
Indoor unit Indoor unitIndoor unit
*Exterior of each device shown above might be different from the actual one.
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MULTI TYPE
5, 6 ROOMS TYPE