U-MATCH SERIES DC INVERTER AIR CONDITIONERS SERVICE MANUAL
19
4
Mode
Setting of auto/cooling/heating/fan/dry mode of indoor unit.
5
Function
Switch
over
among
these
functions
of
swing/air/sleep/health/
I-Demand/out/turbo/save/e-heater/X-fan/clean/quiet.
7
Timer
Timer setting.
8
On/Off
Turn on/off indoor unit.
4 Mode
and
2 ▲
Memory
function
Press Mode and ▲ buttons at the same time for 5s under off state of the unit
to enter/cancel memory function (If memory function is set, indoor unit will
resume original setting state after power failure and then power recovery. If
not, indoor unit is defaulted to be off after power recovery. Ex-factory setting
of memory function is on).
2 ▲
and
6 ▼
Lock
Upon startup of the unit without malfunction or under off state of the unit,
press ▲ and ▼ buttons at the same time for 5s to enter lock state. In this
case, any other buttons won‘t respond when pressing. Repress ▲ and ▼
buttons for 5s to quit lock state.
4 Mode
and
5 Function
Enquiry and
setting of
address of
wired controller
Under off state of the unit, press Mode and Function buttons at the same time
for 5s to set the address. (More details please refer to project debugging)
5 Function
and
7 Timer
Setting of
project
parameters
(More details
please refer to
the Notes)
Under off state of the unit, press Function and Timer buttons at the same time
for 5s to go to the debugging menu. Press Mode button to adjust the setting
items and press
▲ or ▼ buttons to set the actual value.
4 Mode
and
6 ▼
Switch between
Fahrenheit and
Centigrade
Under off state of the unit, press Mode and ▼ buttons at the same time for 5s
to switch between Fahrenheit and Centigrade.
5 Function
and
6 ▼
Viewing
historical
malfunction
Continuously press Function and ▼ buttons for 5s to view historical
malfunction. Then press ▲ and ▼ buttons to adjust displayed contents. The
timer displaying position displays the sequence of malfunction and the
detailed error code. The 5th displayed malfunction is the last malfunction.
1 Enter/Cancel
and
4 Mode
Setting of
master and
slave wired
controller
Under off state of the unit, press Enter/Cancel and Mode buttons at the same
time for 5s to set master and slave wired controller. P
ress ▲ or ▼ button to
adjust. (More details please refer to project debugging)
Notes:
The following functions can be set through Function and Timer buttons: setting of ambient
temperature sensor, selecting three speeds in high speed and three speeds in low speed of indoor fan
motor, display setting of freeze protection error code, setting of cold air prevention and hot air hot
prevention function, setting of refrigerant-lacking protection function, selecting of blowing residual heat of
indoor unit, selecting of compressor electric heater mode, selecting of low-power consumption mode,
selecting door control function, selecting human sensitive function, long-distance monitoring,
temperature compensation value at the air return port.
Summary of Contents for U-MATCH B Series
Page 4: ...U MATCH SERIES DC INVERTER AIR CONDITIONERS SERVICE MANUAL 1 PRODUCT ...
Page 14: ...U MATCH SERIES DC INVERTER AIR CONDITIONERS SERVICE MANUAL 11 CONTROL ...
Page 52: ...U MATCH SERIES DC INVERTER AIR CONDITIONERS SERVICE MANUAL 49 INSTALLATION ...
Page 75: ...U MATCH SERIES DC INVERTER AIR CONDITIONERS SERVICE MANUAL 72 MAINTENANCE ...
Page 96: ...U MATCH SERIES DC INVERTER AIR CONDITIONERS SERVICE MANUAL 93 ...