80
4-2. Recommended Wire Length and Wire Diameter for Power Supply System
The terminal block of the outdoor unit is as shown in the figure below.
Wire the indoor units one by one to the terminal blocks of unit A to unit E.
(Example of CU-5Z90*** outdoor unit)
1
2 3
UNIT A
1
2 3
UNIT B
1
2 3
UNIT C
L1 L2
POWER SUPPLY
1
2 3
UNIT D
1
2 3
UNIT E
Indoor unit
(Type of RAC Multi connection with indoor and outdoor units)
Type
Connection cable between outdoor and indoor unit
(G) Outdoor Unit : CU-2Z35/2Z41/2Z50/3Z52/3Z68/4Z68/4Z80/5Z90***
Refer to Installation Instruction for each outdoor unit for Maximum cable length allowable between
outdoor and indoor unit
Y3
Control wiring
(D) Remote control wiring
0.75 mm
2
(D) : Max. 500 m
The above descriptions can be used for the model CZ-RTC4, CZ-RTC5B or CZ-RTC6 series.
For other remote controllers, refer to the manual of each unit.
NOTE
*
1
Maximum applicable wire for terminal board of indoor unit : 4 mm
2
*
2
With ring-type wire terminal
*
3
Maximum length shows a 2% voltage drop.
01_330918_EU_Eng.indb 80 2021/9/9 11:27:07
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