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Connection examples
• Example 1 (OK)
Outdoor unit
Indoor unit
Refrigerant pipe
Remote controller cable
<Triple>
P: Primary, S: Secondary
Wired remote controller
P
P S
S S
Junction box
NOTE: Maximum of 2 remote controllers can be connected in the same remote controller group.
Also, a remote controller can be connected to any indoor unit.
• Example 2 (Prohibited)
Refrigerant pipe
Connection cable
Remote controller cable
<Twin> <Twin>
Indoor unit
Outdoor unit
Wired remote controller
Junction box
NOTE: Do not connect between indoor units crossing over a refrigerant circuit.
• Example 3 (Prohibited)
Refrigerant pipe
Connection cable
Remote controller cable
<Twin> <Twin>
Indoor unit
Outdoor unit
Wired remote controller
Junction box
NOTE:
Do not connect outdoor units crossing.
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4-3. Control patterns 4. Wiring design
SYSTEM
DESIGN
SYSTEM
DESIGN
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