Mainboard codes indication label
SW 5 Difinition
SW5
SW 1
Difinition
00 means temp. compensation
value is 6
℃
under heat mode
ON
ON
ON
ON
SW1
1 means factory test mode
0 means auto addressing mode
(default setting)
ON
1 2
SW5
1234
SW1
01 means temp. compensation
value is 2
℃
under heat mode
1 means DC fan is chosen
0 means AC fan is chosen
1 2
SW5
ON
ON
1234
SW1
10 means temp. compensation
value is 4
℃
under heat mode
00 means DC fanstatic pressure
is 0 (reserved)
1 2
SW5
1234
SW1
11 means temp. compensation
value is 8
℃
under heat mode
01 means DC fanstatic pressure
is 1 (reserved)
ON
1 2
1234
SW1
SW6 Difinition
10 means DC fanstatic pressure
is 2 (reserved)
ON
ON
SW6
ON
1 means old display panel
1234
SW1
0 means new display panel
1 2 3
11 means DC fanstatic pressure
SW6
1 means auto air blow under
is 3 (reserved)
1234
ON
ON
auto mode
0 means auto air blow under
1 2 3
SW6
non-auto mode
J1, J2
Difinition
J1
reserved
1 2 3
without jumper "J1" fo r
auto restart function
SW7 Difinition
SW7
0/1
Difinition
J1
J2
with jumper "J1" for
non-auto restart function
standard
ON
ON
means 0
configuration
1 2
SW7
last unit of
the network
reserve d
ON
ON
means 1
1 2
SW 2 Difinition
CAUTION
SW2
ON
00 means shutting down the unit
to “stop cold air” at 15
℃
Please adjust the code ENC1 to the suitable position (both
system A and B should be adjusted for 450T1 and 560T1
indoor unit).
1234
SW2
ON
01 means shutting down the unit
to “stop cold air” at 20
℃
●
●
For 450T1 unit, two mainboards in the electric control
should set the code ENC1 to 8;
1234
SW2
10 means shutting down the unit
to “stop cold air” at 24
℃
ON
For 560T1 unit, two mainboards in the electric control
should set the code to 9.
1234
SW2
ON
11 means shutting down the unit
to “stop cold air” at 26
℃
For the same indoor unit, every mainboard must be differ-
ent indoor unit addresses and network addresses.
1234
SW2
ON
00 means the time of stopping
TERMAL fan is 4 mintue
When using central controller to control the indoor unit,
please pay attention to the address setting, as the 450T1
and 560T1 units have two or more mainboards. We
suggest setting the neighbor address for the mainboards
in the same indoor unit. When using a central controller for
controlling, mainboards in the same unit must be opened
and closed at the same time, for avoiding the unexpected
incident.
1234
SW2
ON
01 means the time of stopping
TERMAL fan is 8 mintue
1234
SW2
ON
10 means the time of stopping
TERMAL fan is 12 mintue
1234
SW2
ON
11 means the time of stopping
TERMAL fan is 16 mintue
1234
installation manual
