Haier MRV II Instruction Manual page 61

5.3 Table 3: Setting state and function definition of PCB and wired
controller when out of factory
No
Items
.
S
W
01
S
W
02
S
W
03
S
W
05
LE
D1
LE
D2
LED3
LED4
Setting
state
1. When one wired controller controls one indoor, or
several wired controller control one indoor, or with
remote controller, do not change this switch.
dial to 0
2. When one wired controller controls multiple indoors,
set at 0 for master unit; set at different positions from 1 to
15 for slave unit.
1.when setting indoor central control address with wired
controller, no need to change this dip switch
dial to
2.when setting indoor central control address by hand,
OFF
the dip switch position please refer to the "indoor central
control address setting" table
1.when setting communication address between indoor
and outdoor automatically, no need to change this dip
switch
all at
"OFF"
2.when setting communication address between indoor
and outdoor by hand or by wired controller, please refer to
the "indoor central control address setting" table
that is set well when out of factory and no need to
according
of unit
change, for indoor unit with different capacity this setting
model
is different either.
indicator led for communication with wired controller, it
red
shows the signal from indoor to wired controller
indicator led for communication with wired controller, it
green
shows the signal that indoor received from wired
controller
LED1 is used together with LED2, if the communication
between indoor and wired controller is normal, LED1 and
LED2 will flash regularly, if there is wired controlled slave
unit, then LED1 on slave unit will flash with low frequency
indicator for communication with outdoor, it shows the
red
signal from indoor to outdoor
indicator for communication with outdoor, it shows
green
the signal that indoor received from outdoor
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Function
Part 2