Start-Up And Configuration; Dip Switch Settings Overview - Airwell Wellea Split A R32 Installation Manual

1. when EVU signal is on, the unit operate as below:
DHW mode turn on, the setting temperature will be changed to 70℃
automatically, and the TBH operate as below:T5<69. the TBH is on,
T5 ≥ 70, the TBH is off. The unit operate in cooling/heating mode
as the normal logic.

9 START-UP AND CONFIGURATION

The unit should be configured by the installer to match the installation environment (outdoor climate, installed options, etc.) and
user expertise.
It is important that all information in this chapter is read sequentially by the installer and that the system is configured as
applicable.

9.1 DIP switch settings overview

9.1.1 Function setting
DIP switch S1、S2 and S4 is located on the indoor unit main control board (see "8.3.1 main control board of indoor unit")
and allows configuration of additional heating source thermistor installation, the second inner backup heater installation, etc.
Switch off the power supply before opening the switch box service panel and making any changes to the DIP switch
settings.
DIP
ON=1 OFF=0
switch
0/0=IBH(One-step
control)
1/2 0/1=IBH(Two-step
control)
1/1=IBH(Three-step
control)
S1
0/0=Without IBH and AHS
1/0=With IBH
3/4 0/1=With AHS for heat mode
1/1=With AHS for heat mode
and DHW mode
CAUTION
WARNING
1 2 3 4 1
S1
DIP
Factory
ON=1
switch
defaluts
Start pumpo after
1
six hours will
be invalid
Refer to
without TBH
2
eletrically
controlled
S2
wiring
diagram
0/0=pump 1
0/1=pump 2
3/4
1/0=pump 3
1/1=pump 4
2. When EVU signal is off, and SG signal is on, the unit operate
normally.
3. When EVU signal is off, SG signal is off, the DHW mode is off, and
the TBH is invalid, disinfect function is invalid. The max running time for
cooling/heating is "SG RUNNIN TIME", then unit will be off.
2 3 4 1 2
S2 S4
DIP
Factory
OFF=0
switch
defaluts
Start pumpo after
six hours will 1
be valid
Refer to
with TBH
eletrically 2
controlled
S4
wiring
diagram
3/4
46
3 4
Factory
ON=1 OFF=0
defaluts
Reserved Reserved
Refer to
Reserved Reserved
eletrically
controlled
wiring
diagram
Reserved