Fujitsu AUXG22KVLA Design & Technical Manual page 132

¢ Connection examples
• Example 1 (OK)
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
NOTE: Do not connect between indoor units crossing over a refrigerant circuit.
• Example 3 (Prohibited)
Refrigerant pipe
NOTE: Do not connect outdoor units crossing.
4-3. Control patterns
<Triple>
Outdoor unit
Junction box
Refrigerant pipe
Indoor unit
P
Remote controller cable
<Twin>
Outdoor unit
Indoor unit
Wired remote controller
<Twin>
Outdoor unit
Indoor unit
Wired remote controller
S S
P: Primary, S: Secondary
P S
Wired remote controller
<Twin>
Remote controller cable
<Twin>
Remote controller cable
- 124 -
Junction box
Connection cable
Junction box
Connection cable
4. Wiring design