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1. Switches or jumper wire must be adjusted when the wire controller is powered off. If the wire controller is
powered on, the above operations will be invalid.
2. Function difference between master wire controller and slave one:
Notes
Factory Seting ON default settingSW1-7
Factory Setting OFF default settingSW1-8
Query indoor malfunction history:
In the state of power on or power off, press [CHECK] button, enter the malfunction-querying mode of all indoor units in
the group. Then [CHECK] and [UNIT NO.] will display, and the actual indoor numbers will be displayed in some sequence
(unit number is in decimals). At the same time, in the time region, there will be the current malfunction and the latest time
malfunction, the displaying format is [XX:YY], in which XX stands for the current malfunction, if normal, it will display "--";
YY stands for the latest time malfunction. The failure code of every unit will display for 3 seconds. After the failure codes
of all indoor units in the whole group are displayed, the mode will quit automatically.
Operation
How to change the function switches?
Master wire
controller
Slave wire controller
Function All of functions
Only with below functions: ON/OFF, MODE, FAN
SPEED, SET TEMP., SWING
Contrastive
items
No. Type State of switch Function description
Select the master or
the slave controller
ON set as the slave controller
OFF
SW1-1
OFF set as the master controller
Select the controller
mode
ON
standard controller
SW1-2
air handler controller
Room temperature
display option
ON
visible room temperature
SW1-3
invisible room temperature
26
o
lock
ON
Unavailable 26
o
lock
SW1-4
available 26
o
lock
Temperature sensor
position option
ON
Sensor of the controller
SW1-5
Sensor in the unit
OFF
Auto restart
ON unavailable
SW1-6
available
OFF
OFF
OFF