Daikin ALTHERMA HT Service Manual page 126

Field Setting
Push the SET button and match with the LEDs No. 1 - 15, push the RETURN button, and
confirm the data for each setting.
 Data such as addresses and number of units is expressed as binary numbers; the two
ways of expressing are as follows:
114
The No. 1 cool/heat unified address is expressed as a binary
number consisting of the lower 6 digits. (0 - 63)
9 797997
In  the address is 010110 (binary number), which translates to
16 4 1
32 8 2
16 + 4 + 2 = 22 (base 10 number). In other words, the address is
22.
ESIE09-08B
Test Operation