York YDCS-28CA15A Installation Manual page 12

Wiring Chart
Power 2 20-240V 5 0Hz
INDOOR UNIT
INDOOR UNIT
INDOOR UNIT
Caution:
The reserved function is indicated in broken line table,users can select it when necessary.
NOTE:
1. Please remember the surroundings (environmental temperature, direct sunlight, rain etc.)
2. We consider the minimal size of the metal core as the wire size. So it is recommended you adopt a thicker one as the
power conducting wire so as to avoid power decrease;
3. Connect the grounded wire to both indoor and outdoor units;
4. This chart is just an on-site wire-connecting example. For details, please refer to relative National criteria.
A 20m
Indoor
Unit
Terminal Board Diagram
Please refer to the indoor unit wiring diagram for the wiring.
Note: The air-conditioners can connect with Central Control Monitor (CCM). Before operation, please wiring correctly and
set system address and network address of indoor units.
CENTRAL CONTROL
MONITOR(CCM)
OUTDOOR UNIT
the shielded twisted-pair wire
unit
A
Entrance
To Central Control Monitor
TO INDOOR POWER
(CCM)COMM. BUS
220-240V 5 0/60Hz
Please adopt the shielded twisted-pair wire,
and connect the shielded layer to (E)
12
COMPUTER
Entrance
X Y (E)
P Q (E)
TO OUTDOOR
COMM. BUS
B
Outdoor
Unit