Daikin RXYQ96PYDN Service Manual page 243

Test Operation
[How to Check How Many Units are Connected]
It is possible to find out how many indoor or outside units in the system are turned on by operating
the push button on the PC-board (A1P) of outside unit (In case of multi system master unit).
Follow the procedure below to check how many indoor or outside units are turned on.
(1) Press the MODE button (BS1) once at Setting Mode 1 (H1P : off),
(2) Press the SET button (BS2) the number of
(3) Press the RETURN button (BS3) and read the number of units from
(4) Press the MODE button (BS1) once. This returns to Setting Mode 1
NOTE:
Press the MODE button (BS1) if you get confused while operating.
This returns to Setting Mode 1 (H1P : OFF, default).
10.2.6.2
Procedure of Adding Refrigerant Charging and Check Operation
Warning
228
(LED display: h ...OFF i ...ON j ...Blinking
and set the MONITOR MODE (H1P : Blinking).
times until the LED display matches that at
right.
the display of H2P through H7P.
[Reading Method]
The display of H2P through H7P should be read as a binary number,
with j standing for [1] and h standing for [0].
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.
(H1P : OFF, default).
Electric Shock Warning
Make sure to close the Electrical Components Box lid before turning on the power.
Perform the setting on the PC-board (A1P) of the outside unit and check the LED display after
the power is on via the inspection door which is in the Electrical Components Box lid.
REYQ72~120PYDN
REYQ72~144PTJU
EL. COMPO. BOX (1) (right)
EL.COMPO. BOX (2) (left)
Do not open the
EL. COMPO. BOX (2)
(left) lid or that inspection
door.
REMQ72~120PYDN
REMQ72~120PTJU
EL. COMPO. BOX
Use an insulated rod to operate the push buttons via the Electrical Components Box inspection
door.
∗
...Uncertain)
For checking the
number of outside
units : eight times
For checking the
number of indoor
units : five times
Inspection door
EL. COMPO. BOX (1) (right) lid
LED (H1~8P)
Push button
(BS1~5)
Lift the protruding part to
Inspection door
open the inspection door
EL. COMPO. BOX lid
LED (H1~8P)
Inspection door
Push button
(BS1~5)
figure 29
SiUS34-801A_b
LED display
H1P H2P H3P H4P H5P H6P H7P
j h h h h
j h h i h
j h h h i
∗ ∗ ∗ ∗
j
j h j h j
h h i h h
Lift the protruding part to
open the inspection door.
Inspection door
VRVIII R-410A Heat Recovery 60Hz
h h
h h
h i
∗ ∗
j h
h h