Daikin VRV III RXYQ5-54PY1 Service Manual page 161

Test Operation
[How to Check How Many Units are Connected]
It is possible to find out how many indoor or outdoor unit in the system are turned on by
operating the push button on the PC-board (A1P) of outdoor unit (In case of multi system
master unit).
Follow the procedure below to check how many indoor or outdoor units are turned on.
1.
2.
3.
4.
Note:
Press the "MODE button" (BS1) if you get confused while operating.
This returns to Setting Mode 1 (default).
150
(LED display: 3 ...OFF 4
Press the MODE button (BS1) once, and set the MONITOR MODE
(H1P: Blinking).
Press the SET button (BS2) the number of
times until the LED display matches that at
right.
Press the RETURN button (BS3) and read the number of units from the
display of H2P through H7P.
[Reading Method]
The display of H2P through H7P should be read as a binary number,
5
with standing for "1" and
Ex: For the LED display at right, this would be "0 1 0 1 1 0 ",
which would mean 22 units are connected.
32 × 0 + 16 × 1 + 8 × 0 + 4 × 1 + 2 × 1 + 1 × 0 = 22 units
Note: "000000" indicates 64 units.
Press the MODE button (BS1) once. This returns to Setting Mode 1
(default).
∗
...ON 5 ...Blinking ...Uncertain)
For checking the
number of outdoor units:
eight times
For checking the
number of indoor units:
five times
3
standing for "0".
Si34-601A
LED display
H H H H H H H
1 2 3 4 5 6 7
P P P P P P P
5 3 3 3 3 3 3
5 3 3 4 3 3 3
5 3 3 3 4 3 4
5 ∗ ∗ ∗ ∗ ∗ ∗
5 3 5 3 5 5 3
3 3 4 3 3 3 3
Test Operation