York HIDS006B21S - Page 27

SM-18001-rev.1
3-5
TROUBLESHOOTING
● Wired Controller Connecting Diagram
(c) Connecting Wired Controller if Connecting between Individual Systems
(a) Wired Controllers to each Unit for Individual Operation Setting
(b) One Wired Controller for Individual Operation Setting
Outdoor Unit
A B
Outdoor Unit
Indoor UnitIndoor UnitIndoor Unit Indoor Unit
A B
A BA B
Individual
Simultaneous
(Thermo ON / OFF individually)
Individual
Wired
Controller
Wired
Controller
Wired
Controller
Indoor Unit Indoor Unit
A B
Outdoor Unit
A B
Wired
Controller
Wired
Controller
Outdoor Unit
Indoor Unit
A B
The communication cabling
for the wired controller is
necessary.
Indoor Unit
A B
Wired
Controller
NOTE:
Thermo-ON: The outdoor unit and some indoor units are running.
Thermo-OFF: The outdoor unit and some indoor units stay on, but don’t run.