11
Operation instruction
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.
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:
Master wire
controller
Slave wire controller
Function
All of functions
Only with below functions:
ON/OFF, MODE, FAN SPEED, SET TEMP., SWING
Contrastive
items
Note
How to change the function switches?
Factory Seting
ON
default setting
SW1-7
Factory Setting
OFF
default setting
SW1-8
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
