Table.12-1
12. CONTROL
ENC1
POWER_S
00 1 2
F
F
3
E
4
D
5
C
6
B
7
A
89
Mainboard codes indication label
Fig.12-1
When V4+ outdoor unit set the code to be found address
automatically, the new V4+ indoor unit do not need to set the
indoor unit address, at this time the V4+ outdoor unit will
distribute different addresses for indoor units automatically.
When V4+ outdoor unit set the code to be found address
non-automatically, all the indoor units must set the system
addresses by remote controller first (For the setting system
address of indoor unit which has two or more main boards, it
has to separate use the display board connected with ten-
core connecting wire to set the address for each mainboard).
The setting of network address is through the
communication of indoor and outdoor units, its address is the
same as the indoor unit system address, and not need to set
separate.
When all indoor units are V4+ series indoor unit, the central
controlling of indoor unit can be finished in the outdoor unit,
and not need to make central control in the indoor unit, the
detail please refers to the V4+ outdoor unit instruction ma-
nual;.
For the previous indoor unit’s central control function, can
use (X, Y, E) terminal to connect and form the central control
group, at this time there is not need to set the network
address, and also can use outside setting network module,
mainboard (CN20) to form network.
SW 1 Difinition
SW1
ON
1234
SW1
ON
1234
SW1
ON
1234
SW1
ON
1234
SW1
ON
1234
SW1
ON
1234
1 means factory test mode
0 means auto addressing mode
(default setting)
1 means DC fan is chosen
0 means AC fan is chosen
00 means DC fanstatic pressure
is 0 (reserved)
r eserve d
J1, J2
Difinition
without jumper fo r
auto restart function
"J1"
with jumper f or
non-auto restart function
"J1"
J1
J1
J2
Horsepower code
ENC1
Toggle switch
Code
7
Capacity(Horsepower)
11200W(4.0HP)
12500W(5.0HP)
14000W(5.0HP)
For set horsepower
Note: The horsepower
has been set before
leaving the factory,
anyone can’t
modify it except the
maintenance person.
A
6
5
4
3
2
1
0
8
9
2200W(0.8HP)
2800W(1.0HP)
3600W(1.2HP)
4500W(1.5HP)
5600W(2.0HP)
7100W(2.5HP)
8000W(3.0HP)
9000W(3.2HP)
10000W(4.0HP)
16000W(6.0HP)
TO CCM
COMM.BUS
Please use 3-core shielding wire, and ground the shielding layer.
TO INDOOR POWER SUPPLY
220-240V~ 50Hz
L N
YELLOW/GREEN
INDOOR UNIT
TO INDOOR&OUTDOOR
COMM.BUS
TO CCM
COMM.BUS
TO NEXT INDOOR UNIT
Fig.11-4
01 means DC fanstatic pressure
is 1 (reserved)
10 means DC fanstatic pressure
is 2 (reserved)
11 means DC fanstatic pressure
is 3 (reserved)
Base on different purposes to set the switch codes on the main
boards of indoor unit, Once finish the setting, please cut off the
main power, and then switch on the power again. Otherwise,
setting functions could not work.
NOTE
200T1: Please dial switch ENC1 to 8 (both system A and B).
250T1: Please dial switch ENC1 to 9 for system A and 8 for
system B.
280T1: Please dial switch ENC1 to 9 (both system A and B).
Network Address Setting
ENC1 is used for setting the refrigeration capacity(refer to
Table.12-1 for different indoor unit) of the indoor unit.
Horsepower set
XT3
XT2
17
installation manual
TO INDOOR&OUTDOOR
COMM.BUS
