38English
=? #7:JGCVGTUGVVKPI6[RGII)
Value
[2-37]
Controlling mode Description
1 Mode 1
Lockout is controlled by ABC
terminals
2 Mode 2 *
3 Mode 3 Lockout is controlled by the
outdoor ambient tempera-
ture and setpoint which is
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ting 2-78 and 2-79
4 Mode 4
5 Mode 5
6 Mode 6
(QTCJGCVGTYJKEJFQGUPoVPGGFCKTƃQY
Value
[2-37]
Actions
Shorted
between
Heating Thermo-on Heating Thermo-off
AUX
heater
Indoor
fan
AUX
heater
Indoor
fan
1
A-C
ON
ON
(H/L)
OFF
LL
B-C OFF
2
A-C LL LL
B-C LL OFF
3 Same as 2-37 = Mode 1 & A-C shorted
4 Same as 2-37 = Mode 1 & B-C shorted
5 Same as 2-37 = Mode 2 & A-C shorted
6 Same as 2-37 = Mode 2 & B-C shorted
=? *GCVRWORNQEMQWVVGOR
Heat pump would be locked out when the outdoor ambient
temp is smaller than the Heat Pump Lockout Temp below –
this setting is only affective when heat pump lockout mode
has been set. Unit will switch to heat pump lock out.
Value
[2-78]
Fahrenheit (( Celsius (%
0 ŨFGHCWNV ŨFGHCWNV
1 Ũ Ũ
2 Ũ Ũ
3 0 Ũ
4 5 Ũ
5 10 Ũ
6 15 Ũ
7 20 Ũ
8 25 Ũ
9 30 Ũ
10 35 1.6
11 40 4.4
12 45 7.2
13 50 10
14 Forced Heat pump Lock out
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Heat pump would be resumed when the outdoor ambient
temp is recovered by differential (below) above the Heat
Pump Lockout Temp.
Value
[2-79]
Fahrenheit (( Celsius (%
0 5 2.8
1 10 (default) 5.6 (default)
2 15 8.3
When HP lockout mode has been set the auto backup func-
VKQPYKNNCWVQOCVKECNN[DGUGV6JKUYKNNCNNQYVJGCWZKNKCT[QT
secondary heat source to be automatically energized in the
event of a system failure.
Error codes capable of auto backup are listed in the table below.
Please be aware that the error codes that are not listed do
not auto backup in order to protect the unit.
Error contents
Error code
(Auto
backup
RQUUKDNG
Branch Selector unit abnormality A3
Actuation of high pressure switch E3
Actuation of low pressure sensor E4
Inv. compressor motor lock E5
Compressor damage alarm E6
Outdoor unit fan motor abnormality E7
'NGEVTQPKEGZRCPUKQPXCNXGEQKNCDPQTOCNKV[ E9
Position signal abnormality of outdoor unit
fan motor
H3
H7
Outdoor air thermistor (R1T) abnormality H9
Discharge pipe temperature abnormality F3
Wet alarm F4
$TCPEJ5GNGEVQTWPKVGNGEVTQPKEGZRCPUKQP
valve abnormality
F9
Discharge pipe thermistor (R21T, R22T) and
compressor surface temperature thermistor
(R14T) abnormality
J3
Accumulator inlet thermistor (R10T) abnor-
mality
J5
*GCVGZEJCPIKPIFGKEGTVJGTOKUVQT46CPF
JGCVGZEJCPIGTICURKRGVJGTOKUVQT4646
abnormality
J6
Receiver inlet thermistor (R3T) and sub
EQQNKPIJGCVGZEJCPIGTNKSWKFRKRGVJGTOKUVQT
(R7T) abnormality
J7
*GCVGZEJCPIGTNKSWKFRKRGVJGTOKUVQT
(R15T, R4T, R5T) abnormality
J8
5WDEQQNKPIJGCVGZEJCPIGTICURKRGVJGTOKU-
tor (R6T) and receiver gas purge thermistor
(R13T) abnormality
J9
High pressure sensor abnormality JA
Low pressure sensor abnormality JC
Inverter PCB abnormality L1
Reactor temperature rise abnormality L3
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abnormality
L4
Inv. compressor instantaneous overcurrent L5
Inv. compressor overcurrent L8
Inv. compressor startup abnormality L9
Transmission error between inverter and
control PCB
LC
B(1B0DLQB959B,0LQGG