Daikin REYQ8-48PY1B, Service Manual

Page: 177 / 477

SiBE37-701_B Test Operation
Test Operation 166
[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 PCB (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 (H1P: OFF, default).
(LED display :
h
...OFF
k
...ON
l
...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 at Setting Mode 1 (H1P: off) and set
the MONITOR MODE (H1P: Blinking).
l h h h h h h
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
l h h k h h h
For checking the
number of indoor units:
five times
l h h h k h k
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
l
standing for “1” and
h
standing for “0”.
l
∗ ∗ ∗ ∗ ∗ ∗
l h l h l l h
4. Press the MODE button (BS1) once. This returns to Setting Mode 1
(H1P: OFF, default).
h h k h h h h
Ex: For the LED display at right, this would be “0
which would mean 22 units are connected. 1 0 1 1 0”,
32 × 0 + 16 × 1 + 8 × 0 + 4 × 1 + 2 × 1 + 1 × 0 = 22 units
Note: “000000” indicates 64 units.