10 Electrical wiring
H-LINK II system
TCGB0136 rev.1 - 05/2021
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10.5.5 Examples of H-LINK II system
Two cases:
1. Using H-LINK II system for air conditioning systems without a central control device (Neither
Centralised remote controls nor Building air controls)
•
Line connection with all units
A
B
C
A: Outdoor units.
B: Indoor units.
C: Do not install wiring in a loop.
• Line connection for each floor.
A
B
A: Outdoor units.
B: Indoor units.
•
Connection with one main line and with the branch lines for the units.
A
B
A: Outdoor units.
B: Indoor units.
!
C A U T I O N
• The maximum number of units than can be connected is 64 outdoor units and 160 indoor units (including UTOPIA and/or SET FREE,
SET FREE Mini).
• Do not install the wiring in a loop.
• If the H-LINK II system is not used when carrying out the electrical wiring as shown above, it must be used once the wiring of the
instrument is completed. The DIP switches must therefore be set as specified in the DIP switches on the PCB.
