71
Earth lead wire shall be longer than other lead wires as shown in the figure for the electrical safety in case of the slipping out of the
cord from the anchorage.
• Power supply specifications
Model name
Leakage
current
breaker
(A)
Circuit breaker
(Minimum Capacity)
Minimum
power
supply
cables
4mm
2
cable
Maximum
permissible
impedance
(Ω)
Indoor/outdoor
unit connection
power cables
(terminals ,
, , )
Switch
(A)
Fuse
(A)
based on
length (m)
CU-B24DBE5 CU-J24DBE5 220V-240V~ 30 30 20
4 mm
2
16 0.0374
2.5 mm
2
× 4
CU-B24DBE8 CU-J24DBE8 380V-415V 3N~ 15 15 15 68 0.1017
CU-B28DBE5 CU-J28DBE5 220V-240V~ 30 30 30 16 0.0374
CU-B28DBE8 CU-J28DBE8 380V-415V 3N~ 15 15 15 59 0.1017
CU-B34DBE5 CU-J34DBE5 220V-240V~ 40 40 40 10 0.0374
CU-B34DBE8 CU-J34DBE8 380V-415V 3N~ 20 20 20 38 0.1017
CU-B43DBE8 CU-J43DBE8 380V-415V 3N~ 20 20 20 27 0.0374
CU-B50DBE8 CU-J50DBE8 380V-415V 3N~ 20 20 20 25 0.1017
NOTE
1. Where ground work (earth) is carried out, do not connect the ground return to the gas pipe, water line pipe, grounded circuit of the
telephone and lightning rod, or ground circuit of other product in which earth leakage breaker is incorporated. (Such action is
prohibited by statute, etc.)
Make sure the indoor and outdoor connection wires are detangled. (There might be effect to received outside noise.)
2. Use the standard power supply cables for Europe (such as H05RN-F or H07RN-F which conforms to CENELEC (HAR) rating
specifications) or use the cables based on IEC standard. (245IEC57, 245IEC66)
3. Select the particular size of electrical wire for power supply cables in accordance with the standards of the given nation and region.
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