English
14
Wiring
CAUTION
¨
Ground
This air conditioner must be grounded. For grounding, follow all local, and state electrical codes.
Standby Electricity Saving
The standby electricity saving function turns off power supply to the outdoor unit and sets the indoor unit into
standby electricity saving mode, thus reducing the power consumption of the air conditioner.
The standby electricity saving function works on the following indoor unit.
CAUTION
• The standby electricity saving function cannot be used for models other than the specified ones.
•
Procedure for turning on standby electricity saving
function
1) Check that the main power supply is turned off. Turn it
off if it has not been turned off.
2) Remove the stop valve cover.
3) Disconnect the selective connector for standby
electricity saving.
4) Turn on the main power supply.
CAUTION
• Before connecting or disconnecting the selective connector for standby electricity saving, make sure that the main power
supply is turned off.
• The selective connector for standby electricity saving is required if an indoor unit other than the above applicable one is connected.
Good
Round crimp-
style terminal
Flat washer
Screw
Wrong
Flat washer
Round crimp-
style terminal
Screw
Flat washer
Screw
Round
crimp-style
terminal
A
Arrow view
A
Stranded
wire
Round crimp-style
terminal
•
Precautions to be taken for power supply wiring. When using
stranded wires, make sure to use the round crimp-style terminal
for connection to the power supply terminal
Strip wire end
to this point.
Excessive strip length
may cause electric shock
or current leakage.
Stripping wire at terminal block
Good
Wrong
Good
Wrong
•
When connecting the inter-unit wires to the terminal block using a single core wire,
be sure to curl the end of the lead. Improper work may cause heat and fires.
1-3
A
B
A<B
• Make sure that the
earth wire between
the pull relief and
terminal is longer
than the other
wires.
3MXM40M, 3MXM52M, 3AMX52M only
For FTXM, FTXP, FTXJ type
Standby electricity saving
function off.
Standby electricity saving
function on.
The standby electricity saving function is turned off before shipping.
