Low temperature curves for hea ng mode
T1s(℃)
High temperature curves for hea ng mode
T1s(℃)
Low temperature curves for hea ng ECO mode
T1s(℃)
High temperature curves for hea ng ECO mode
T1s(℃)
Low temperature curves for cooling mode
Low 1
Low 2
Low 3
Low 4
Low 5
Low 6
Low 7
Low 8
T4(℃)
High temperature curves for cooling mode
High 1
High 2
High 3
High 4
High 5
High 6
High 7
High 8
T4(℃)
6.2 DIP switch settings overview
DIP switch 26 is located on the switch box PCB (see "Indoor unit
ECO-Low 1
components/Switch box main components") and allows
ECO-Low 2
configuration of additional heating source temperature sensor
ECO-Low 3
installation, the second inner backup heater installition, etc.
ECO-Low 4
ECO-Low 5
ECO-Low 6
ECO-Low 7
ECO-Low 8
T4(℃)
ECO-High 1
ECO-High 2
ECO-High 3
ECO-High 4
DIP
ECO-High 5
switch
ECO-High 6
ECO-High 7
ECO-High 8
S1-1
T4(℃)
S1-2
S1-3
S1-4
S2-1
S2-2
S2-3
S2-4
(*) Max. piping length: refer to the manual of outdoor unit.
30
T1s(℃)
T1s(℃)
19
WARNING
Switch off the power supply before opening the switch box
service panel and making any changes to the DIP switch
settings.
1 2 3 4
1 2 3 4
S1
Description
Selection of refrigerant pipe length
Backup heater outlet temperature T1
temperature sensor installation
The first inner backup heater IBH1
installation
The second inner backup heater IBH2
installation
Additional heating source outlet
temperature T1B sensor installation
/
/
/
Low 1
Low 2
Low 3
Low 4
Low 5
Low 6
Low 7
Low 8
T4(℃)
High 1
High 2
High 3
High 4
High 5
High 6
High 7
High 8
T4(℃)
OFF
S2
ON
≥60% of
Max. Piping
Length(*)
Not installed
Not installed
Not installed
Installed
/
/
/
V.1