12-1.Precautions On Creating A Group Connection - Fujitsu AUU7RLF Design & Technical Manual

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 communication
system as shown below is strictly prohibited.
Indoor unit
Outdoor unit
• Group connection is allowed only in the same refrigerant system. (Maximum number of con-
nectable indoor units is depend on the outdoor unit.).
Indoor unit
Outdoor unit
• Central remote controller (UTY-DMMUM) cannot be connected simultaneously.
Outdoor unit
12-1. Precautions on creating a group connection
Indoor unit
: Piping
Indoor unit
: Piping
Indoor unit Indoor unit
*Exterior of each device shown above might be different from the actual one.
: Piping
Indoor unit
: Wired remote controller wiring
Indoor unit
Outdoor unit
*Exterior of each device shown above might be different from the actual one.
: Wired remote controller wiring
Indoor unit
: Wired remote controller wiring
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Indoor unit
Outdoor unit
Indoor unit Indoor unit
12. Group connection