5
5
.
.
C
C
O
O
N
N
T
T
R
R
O
O
L
L
M
M
O
O
D
D
E
E
A
A
S
S
-
-
1
1
8
8
U
U
R
R
4
4
S
S
T
T
V
V
U
U
H
H
1
1
19
1
Ο
Ο
Ο
Normal frequency ascent and descent with no
restriction on the frequency
2
×
×
★
Frequency descent or restriction on frequency
ascent caused by overcurrent
3
×
★
★
Frequency descent or restriction on frequency
ascent caused by anti-freeze in cooling or overload
control in heating
4
★
×
★
Frequency descent or restriction on frequency
ascent caused by too high compressor discharge
temperature
5
×
★
×
Restriction on maximum operation operating
frequency caused by too low voltage on the supply
circuit
6
★
★
★
Operating at a fixed frequency (when in a capacity
measurement or forced operation at a fixed
frequency.)
8
★
×
×
Communication frequency drops.
4.7 Special notes
4.7.1 The indoor unit of this model is electrified by the outdoor unit. After the system
starts to operate, the outdoor unit supplies the indoor unit. If the EEPROM data is
read correctly after turning on the power, the indoor unit’s beeper rings one time, or if
it is not the case the beeper will ring two times and the system cannot be started.
4.7.2 Auto Restart Presetting. If you want auto restart function, hold down the
Emergency button (ON/OFF) on the indoor unit until the appliance is
energized.Auto restart function is set after the buzz sound three times.Air conditioner
is on standby.
If auto restart has been set, hold down the Emergency button (ON/OFF) on the
indoor unit until the appliance is energized. Auto restart function is canceled after
the buzz sound two times.Air conditioner is on standby.
Summary of Contents for AS-18UR4STVUH1
Page 1: ...AS 18UR4STVUH1...
