DC Inverter U-match Series for R410A Unitary Split Air Conditioner
21
Wires of outdoor units
Single-phase unit:
FXD-ACD36
,
FXD-ACD60
NOTE:
Y means Compressor control signal;
B which is energized under the heating mode means 4-way valve control
signal;
D means defrosting signal;
R means 24V AC power supply;
C means 24V common.
NOTE:
When outdoor defrosts, D of outdoor unit will send 24V signal to
avoid cold winds.
NOTE:
As for the indoor unit which do not include D, there is no need to
connect the D terminals.
①
. High and low voltage wires should be led through different rubber rings of the
front plate.
②
. Do not bundle up the thermostat wires or lay them side by side, otherwise
errors will occur.
③
. High and low voltage wires should be secured separately.
④
. Use screws to tighten up the thermostat wires and power cords of the units on
the terminal board. Wrong connection may lead to fire hazard.
⑤
. If the thermostat wires of the units and power cords are not correctly
connected, the air conditioner may get damaged.
⑥
. Ground the units through connecting the ground wire.
⑦
. The units should comply with applicable local and national rules and
regulations on power consumption.
