System Set-Up
74
Air-to-Water Heat Pump
• Function Code 26 and 27
: Setting disinfection operation
Disinfection operation is special sanitary tank operation mode to kill and to prevent growth of
viruses inside the tank.
- Value #1 of Function Code 26 : Selecting enable or disable of disinfection operation. ʼ00ʼ for
disable, and ʼ01ʼ for enable.
- Value #2 of Function Code 26 : Determining the date when the disinfection mode is running. ʼ01ʼ
for Sunday, ʼ02ʼ for Monday, … , and ʼ07ʼ for Saturday.
- Value #3 of Function Code 26 : Determining the time when the disinfection mode is running. ʼ00ʼ
for 0:00am, ʼ01ʼ for 01:00am, … , ʼ22ʼ for 10:00pm, and ʼ23ʼ for 11:00pm.
- Value #1 of Function Code 27 : Target temperature of disinfection mode.
- Value #2 of Function Code 27 : Duration of disinfection mode.
Vales of Function Code 26
• If Value #1 of Function Code 26 is set as ʼ00ʼ, that is ʻdisable disinfection modeʼ, Value #2 and
Value #3 is not used.
• When Value #1 is set as ʼ01ʼ, that is ʻenable disinfection modeʼ,ʼ Value #2 is displayed at the
position of Value #1 and Value #3 is displayed at the position of Value #2. It is due to limited
width of the remote controller display.
Sanitary water heating should be enable.
• If sanitary water heating is disable, the disinfection mode
will not be operated although Value #1 of Code 26 is set
as ʼ01ʼ.
• To use disinfection mode, sanitary water heating should
be enable.(by button input or scheduler programming)
Time
Value #2 of
Function Code 26
Value #1 of
Function Code
27
Value #2 of
Function Code 27
Water temperature
(Inside sanitary water tank)
Temperature profile
of Disinfection operation
Press repeatedly Button to enable sanitary
tank heating
<Sanitary Water Heating Disable>
<Sanitary Water Heating enable>
