Airwell YCV280, Installation And Maintenance Instructions Manual

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Wired controller functions
1. Brief Functions
1.1 Being connected with indoor through 3 wires, and can control 16 groups of indoor.
1.2 Can combine with another wired controller, the slave one will be in the same step with
the master one.
1.3 Set unit number for indoor unit in one group
1.4 Record the last twice failures of each indoor in one group
1.5 1 port is A/D input (room temperature sensor), 16 ports are function input, 12 ports is
switch state input.
2. Function switch changeover
port description state function
ON Set as simple controller D9 Changeover of
type of wired
controller
OFF Set as standard controller
ON Use the sensor in the wired controller D12 Selection of
room temp.
sensor
OFF Use the sensor in the indoor unit
ON Without Auto restart D15 Auto restart after
power failure
OFF With Auto restart
ON Display room temperature D14 Display room
temperature or
not
OFF Not display room temperature
ON As slave controller D8 Master/slave
controller
changeover
OFF As master controller
ON ℉ D11 or ℃ ℉
OFF
℃
ON Indoor unit in shorted time function JP8 Shorten time
function
OFF Common control
ON Send compulsorily defrost signal to indoor unit JP7 Compulsorily
defrost
OFF Common control
Note:
The switches in grey can be operated after opening the cover of wired controller.
ON: connected, OFF: disconnected
3.Function difference between master wired controller and slave one:
Contrastive items Master wired
controller
Slave wired controller
Function All of functions Only with below functions: ON/OFF, MODE,
FAN SPEED, SET TEMP.,HEALTH, SWING,
and display TIMER clock, but can not set it; to
cancel the timer by switching off slave
controller.
4. Function difference between simple wired controller and the standard one:
Contrastive item Standard wired
controller
Simple wired controller
Function With all functions New LCD, different from standard wired
RWV01
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