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Installation Manual
Err
or
codes
/
Error codes
● When an error occurs in the indoor unit or outdoor unit during operation, an error code
is displayed as follows.
Prompted on the room
temperature display
Prompted on the Domestic
hot water tank temperature
display
Outdoor unit error
Indoor unit error
Er
Error code
is flickering
is flickering
①
In case of an indoor unit error (example)
②
In case of an outdoor unit error (example)
● Wired remote controller error code appears on the repeat time display.
In case of a wired remote controller error (example)
● Initial communication error code appears on the room temperature
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Installation Manual
Dip switch
1
2
When the front cover of
the indoor unit is opened,
a dip switch are visible in
the center of the left PCB.
display of the wired remote controller.
Operating method (SW1): Configure settings appropriately according to the
operating method with reference to the table below.
<DIP S/W Specifications>
SW1
1
2
3
4
ON
New market
Automatic control on
Heater control on
Not used
OFF
Replacement market
Automatic control off
Heater control off
Not used
<Detailed description of operating method>
Configuration
Operating method
Market (Dip #1)
BAS response
(Dip #2)
Input/Output processing
New market (ON)
1) Domestic Hot Water Tank Temperature Sensor
input available
2) Low Level Sensor input available
3) Heating pump operation output available
Yes(ON)
1) Wired remote controller input ignored
2) Operation according to BAS signal
No(OFF)
1) Operation by the wired remote controller
2) BAS input ignored
Replacement market (OFF)
1) Domestic Hot Water Tank Temperature Sensor input
available
2) Low Level Sensor input not available
3) Heating pump operation output not available
Yes(ON)
1) Wired remote controller input ignored
2) Operation according to BAS signal
No(OFF)
1) Operation by the wired remote controller
2) BAS input ignored
1
2
3
4
SW2
ON
OFF
ON
OFF
SW3
1
2
3
4
SW1
0
1
2
3 4 5 6
7
8
9
A
BC
D
E
F
SW 1
(operating method)
Settings prior
to test operation