Daikin RXYQ96PYDN Service Manual page 96

SiUS34-801A_b
<Tightening torque>
Shutoff valve size
[How to Check How Many Units are Connected]
It is possible to find out how many indoor or outside unit 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.
(LED display:
(1) Press the MODE button (BS1) once at Setting Mode 1 (H1P : off), and set the MON-
ITOR MODE (H1P : Blinking).
(2) Press the SET button (BS2) the number of times until the
LED display matches that at right.
(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 j standing
h
for [1] and 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.
Note: "000000" indicates 64 units.
(4) Press the MODE button (BS1) once. This returns to Setting Mode 1 (H1P : OFF, default).
Note:
Press the MODE button (BS1) if you get confused while operating.
This returns to Setting Mode 1 (H1P : OFF, default).
VRVIII R-410A Heat Pump 60Hz
Shaft (valve body)
φ 3/8
3.98 - 4.87
φ 1/2
5.97 - 7.30
φ 3/4
19.9 - 24.3
φ 1
h i j
...OFF ...ON ...Blinking
32 × 0 + 16 × 1 + 8 × 0 + 4 × 1 + 2 × 1 + 1 × 0 = 22 units
Tightening torque ft · lbf (Turn clockwise to close)
Hexagonal wrench
4mm
Hexagonal wrench
8mm
∗
...Uncertain)
For checking the number of
outside units : eight times
For checking the number
of indoor units : five times
Test Operation
Cap (valve lid) Service port
9.95 - 12.17
13.3 - 16.2
8.48 - 10.3
16.6 - 20.3
LED display
H1P H2P H3P H4P H5P
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
H6P H7P
h h
h h
h i
∗ ∗
j h
h h
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