Toshiba SUPER MMY-MAP0501T8 Instruction Manual page 14

6
ELECTRIC WIRING
Connection of power supply cable with control cable
Insert power supply cable and control wire after removing knockout of the piping/wiring panel at front side of the
outdoor unit.
n Power supply cable
1. Connect the power supply cables and earthing wire to the terminal block of the power supply through a notched
section at side of the electric parts box, and fix with a clamp.
2. Bundle the power supply cables using the hole so that they are not out of the notched section of the electric parts
box.
n Control wire
1. Connect the control wire between indoor and outdoor units and the control wire between outdoor units to
(U1 to U4) terminal section through a hole at side of the electric parts box, and fix with a clamp.
2. Use the control wire with 2-core shield wire (1.25mm² or more) in order to prevent noise trouble. (Non-polarity)
NOTE :
1) Be sure to separate the power supply cables and each control cable.
2) Arrange the power supply cables and each control cable so that they do not contact with the bottom surface of
the outdoor unit.
3) A terminal block (U5, U6 terminal blocks) for connecting an optional part "Central remote controller etc." is
provided on the inverter unit, so be careful to miswiring.
Power supply
terminal block
L1 L2 L3 N
Earth
screw
U -U
1 6
(
U1-U2
U3-U4
U5-U6
U1 U2 U3 U4 U5 U6
Earth screw
Earth screw
P.C. board
Knockout for power supply cable
Knockout for control wire
Piping/wiring panel
When insert power supply cable
and control wire, protect power supply cable
and control wire from edge after removing knockout.
Terminal
: For wiring for control wire between indoor/outdoor unit
: For "Central remote controller etc."
: For wiring for control wire between outdoor units
L1
10mm
or more
Earth line
11
)
L2 L3 N
Power supply cable