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9. Installation Information
9.1 CU-3E19RBU
9.1.1 Check
Points
Allowable
elevation:
15 m (49.2 ft) max.
elevation between
The allowable
each of the indoor
units and between
the indoor and
outdoor units.
Flexible cord x 4 core
(polychloroprene sheathed)
(Not included in the unit)
(Not included in the unit)
Unit B
Unit C
Unit A
Applicable connecting tube kit:
CZ-3F type
Unit A Maximum pipe length: 25 m (82.0 ft)
Unit B Maximum pipe length: 25 m (82.0 ft)
Unit C Maximum pipe length: 25 m (82.0 ft)
Indoor/outdoor unit
connection cables
Flexible cord x 4 core
(polychloroprene sheathed)
(Not included in the unit)
Outdoor unit power supply:
Single-phase 208-230V, 60Hz
30A switch
(circuit breaker)
(Not included in the unit)
Flexible cord x 3 core
(Not included in the unit)
Outside
wiring work
Grounding work
Total maximum pipe length: 50 m (164.0 ft)
Air purging: Air purging by vacuum pump.
