Daikin VRV III RXYQ5-54PY1, Service Manual, Page: 161 / 398

Test Operation Si34-601A
150 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.
Note:
Press the “MODE button” (BS1) if you get confused while operating.
This returns to
Setting Mode 1 (default).
(LED display:
3
...OFF
4
...ON
5
...Blinking
∗
...Uncertain)
LED display
H
1
P
H
2
P
H
3
P
H
4
P
H
5
P
H
6
P
H
7
P
1. Press the MODE button (BS1) once, and set the MONITOR MODE
(H1P: Blinking).
5 3 3 3 3 3 3
2.
Press the SET button (BS2) the number of
times until the LED display matches that at
right.
For checking the
number of outdoor units:
eight times
5 3 3 4 3 3 3
For checking the
number of indoor units:
five times
5 3 3 3 4 3 4
3. 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,
with
5 standing for “1” and 3 standing for “0”.
5
∗ ∗ ∗ ∗ ∗ ∗
5 3 5 3 5 5 3
4. Press the MODE button (BS1) once. This returns to Setting Mode 1
(default).
3 3 4 3 3 3 3
Ex: For the LED display at right, this would be “0 1 0 1 1 0 ”,
which would mean 22 units are connected.
Note: “000000” indicates 64 units.
32 × 0 + 16 × 1 + 8 × 0 + 4 × 1 + 2 × 1 + 1 × 0 = 22 units