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Power supply specifications
• Power supply specifications of outdoor unit
Select the power supply cabling and fuse of each outdoor unit from the following specifications:
Cable 5-core, in conformance with Design 60245 IEC 66
• Do not connect the outdoor units by crossing outside of them, but connect them via the incorporated terminal
block (L1, L2, L3, N).
Electrical wiring design
• Unit capacities and power supply wire sizes (Reference)
• Determine the wire size for indoor unit according to the number of connected indoor units downstream.
• Observe local regulation regarding wire size selection and installation.
Power supply wiring
Model
MMY-
Wire size Field fuse
MAP0501T8 MAP0501HT8 MAP0501HT7
3.5 mm² (AWG #12) Max. 26 m 20 A
MAP0601T8 MAP0601HT8 MAP0601HT7
3.5 mm² (AWG #12) Max. 26 m 20 A
MAP0801T8 MAP0801HT8 MAP0801HT7
3.5 mm² (AWG #12) Max. 20 m 30 A
MAP1001T8 MAP1001HT8 MAP1001HT7
5.5 mm² (AWG #10) Max. 28 m 30 A
MAP1201T8 MAP1201HT8 MAP1201HT7
5.5 mm² (AWG #10) Max. 27 m 30 A
Model
MMY-AP • • • T8, HT8
MMY-AP • • • HT7
Outdoor power supply
3phase, 380–415 V, 50Hz
3phase, 380 V, 60Hz
L1
L2
L3
N
L1
L2
L3
N
L1
L2
L3
N
L1
L2
L3
N
Outdoor power supply
3-phase 380V–415, 50Hz
380V, –41560Hz
Pull box
Earth
Outdoor
power source
Indoor
power source
3-phase
50Hz 380-415V
or 60Hz 380V
Earth leakage breaker
hand switch
Single phase
50Hz 220-240V
or 60Hz 220V
Earth leakage breaker
power switch
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