Toshiba MCY-MHP0406HT-E Installation Manual page 26

1FAN_IM_DHV0100301-00_EN.book Page 25 Saturday, November 4, 2017 2:39 PM
Power supply wire connection
1. Insert the power supply wire through the cutout on the side of the electrical control box and connect the power
supply wire to the power supply terminal block and the earth line to the earth screw. After that, fix the power supply
wire with the cord clamp.
2. Use round-type crimping terminals for power connection.
Also, apply insulating sleeves to the crimping parts. Use a driver of appropriate size to fix the terminal screws.
L N
60 mm or less
Earth line
Power supply wire
Wire size*
2
4.0 mm
* Design 60245 IEC66
Screw size and tightening torque
Power supply terminal
Earth screw
EN-49
10 mm or more
Tightening torque
Screw size
(N•m)
M6 2.5 to 3.0
M6 2.5 to 3.0
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Communication wire connection
Connect the communication wires to the communication wire terminals from under the electrical control box, and fix
them with the communication cable clamps.
[U1, U2] and [U3, U4] not connected
CN02
U1 U2 U3 U4
CN10
Communication
terminal board
U1 U2 U3 U4
TO INDOOR TO CENTRAL
UNIT CONTROLLER
Screw size and tightening torque
Communication wire terminal
Installation Manual
[U1, U2] and [U3, U4] connected
CN02
CN10
U1 U2 U3 U4
Communication
terminal board
U1 U2 U3 U4
TO INDOOR TO CENTRAL
UNIT CONTROLLER
U3, U4: Central control device
U1, U2: Communication wiring between Indoor / Outdoor unit
Tightening torque
Screw size
(N•m)
M4 1.2 to 1.4
EN-50