Toshiba MMY-MAP0501HT7 Installation Manual page 70

• Specifications of cables for controlling
1. Connect each cable for controlling as shown below.
Header
U1 U2
Shield wire
earth
Control wiring between
indoor and outdoor units
• Power supply specifications of combined outdoor units
When a distribution panel is provided for each combined
outdoor units as shown in the following figure, select the
power supply wiring of the main trunk line (a) up to the
distribution panel and fuse from the table below.
Cooling only Heat pump model
model (50Hz)
MMY-AP1401T8 MMY-AP1401HT8
MMY-AP1601T8 MMY-AP1601HT8
MMY-AP1801T8 MMY-AP1801HT8
MMY-AP2001T8 MMY-AP2001HT8
MMY-AP2201T8 MMY-AP2201HT8
MMY-AP2211T8 MMY-AP2211HT8
MMY-AP2401T8 MMY-AP2401HT8
MMY-AP2411T8 MMY-AP2411HT8
MMY-AP2601T8 MMY-AP2601HT8
MMY-AP2801T8 MMY-AP2801HT8
MMY-AP3001T8 MMY-AP3001HT8
MMY-AP3201T8 MMY-AP3201HT8
MMY-AP3211T8 MMY-AP3211HT8
MMY-AP3401T8 MMY-AP3401HT8
MMY-AP3411T8 MMY-AP3411HT8
MMY-AP3601T8 MMY-AP3601HT8
MMY-AP3611T8 MMY-AP3611HT8
MMY-AP3801T8 MMY-AP3801HT8
MMY-AP4001T8 MMY-AP4001HT8
MMY-AP4201T8 MMY-AP4201HT8
MMY-AP4401T8 MMY-AP4401HT8
MMY-AP4601T8 MMY-AP4601HT8
MMY-AP4801T8 MMY-AP4801HT8
* : Model name differs according to each wire manufacturer.
Follwer
A
U3 U4 U5 U6 U1 U2 U3
Control wiring
between outdoor units
Power supply unit
Main
switch
Outdoor power supply
3-phase
380-415V 50Hz
380V 60Hz
(a)
Distribution
panel
Heat pump model
(50Hz) (60Hz)
MMY-AP1401HT7
MMY-AP1601HT7
MMY-AP1801HT7
MMY-AP2001HT7
MMY-AP2201HT7
MMY-AP2211HT7
MMY-AP2401HT7
MMY-AP2411HT7
MMY-AP2601HT7
MMY-AP2801HT7
MMY-AP3001HT7
MMY-AP3201HT7
MMY-AP3211HT7
MMY-AP3401HT7
MMY-AP3411HT7
MMY-AP3601HT7
MMY-AP3611HT7
MMY-AP3801HT7
MMY-AP4001HT7
MMY-AP4201HT7
MMY-AP4401HT7
MMY-AP4601HT7
MMY-AP4801HT7
Follwer
B C
U4 U5 U6 U1 U2 U3 U4
Shield wire
indirect
connection
Earth
Earth leakage
breaker
(1) (2)
(a)
Distribution
panel
14 mm² (AWG # 6 ) Max. 45 m
14 mm² (AWG # 6 ) Max. 39 m
14 mm² (AWG # 6 ) Max. 37 m
14 mm² (AWG # 6 ) Max. 35 m
22 mm² (AWG # 4 ) Max. 45 m
14 mm² (AWG # 6 ) Max. 35 m
22 mm² (AWG # 4 ) Max. 41 m
14 mm² (AWG # 6 ) Max. 34 m
22 mm² (AWG # 4 ) Max. 40 m
38 mm² (AWG # 4 ) Max. 66 m
38 mm² (AWG # 1 ) Max. 64 m
38 mm² (AWG # 1 ) Max. 53 m
38 mm² (AWG # 1 ) Max. 63 m
38 mm² (AWG # 1 ) Max. 52 m
38 mm² (AWG # 1 ) Max. 62 m
38 mm² (AWG # 1 ) Max. 51 m
38 mm² (AWG # 1 ) Max. 61 m
38 mm² (AWG # 1 ) Max. 49 m
60 mm² (AWG #
60 mm² (AWG #
60 mm² (AWG #
60 mm² (AWG #
60 mm² (AWG #
6
U3 and U4 terminals
U5 U6
are used when a central
control which connects
each line is adopted.
Shield wire
earth
Follower
Header unit 1
L L L N L L L N
1 2 3 1 2 3
(b)
Power supply wiring
Wire size
) Max. 76 m
0
) Max. 75 m
0
) Max. 74 m
0
) Max. 73 m
0
) Max. 73 m
0
Follower
unit 2
L L L N
1 2 3
Field fuse
40 A
50 A
50 A
60 A
75 A
60 A
75 A
60 A
75 A
75 A
100 A
100 A
100 A
100 A
100 A
100 A
100 A
100 A
125 A
125 A
125 A
125 A
125 A