![background image](http://html.mh-extra.com/html/daikin/vrv-iii/vrv-iii_service-manual_502207243.webp)
Test Operation
SiUS34-801A_b
228
VRVIII R-410A Heat Recovery 60Hz
[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.
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
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.
Use an insulated rod to operate the push buttons via the Electrical Components Box inspection
door.
(LED display:
h
...OFF
i
...ON
j
...Blinking
∗
...Uncertain)
LED display
H1P H2P H3P H4P H5P H6P H7P
(1) Press the MODE button (BS1) once at
Setting Mode 1
(H1P : off),
and set the MONITOR MODE (H1P : Blinking).
j
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 outside
units : eight times
j
h
h
i
h
h
h
For checking the
number of indoor
units : five times
j
h
h
h
i
h
i
(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 for [1] and
h
standing for [0].
j
∗
∗
∗
∗
∗
∗
j
h
j
h
j
j
h
(4) Press the MODE button (BS1) once. This returns to
Setting Mode 1
(H1P : OFF, default).
h
h
i
h
h
h
h
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
EL. COMPO. BOX
Inspection door
Inspection door
EL. COMPO. BOX lid
Push button
(BS1~5)
Lift the protruding part to
open the inspection door
LED (H1~8P)
figure 29
EL. COMPO. BOX (1) (right)
Inspection door
EL.COMPO. BOX (2) (left)
Do not open the
EL. COMPO. BOX (2)
(left) lid or that inspection
door.
Inspection door
EL. COMPO. BOX (1) (right) lid
Push button
(BS1~5)
Lift the protruding part to
open the inspection door.
LED (H1~8P)
REYQ72~120PYDN
REYQ72~144PTJU
REMQ72~120PYDN
REMQ72~120PTJU
Summary of Contents for VRV III
Page 15: ...SiUS34 801A_b xiv ...
Page 23: ...Model Selection SiUS34 801A_b 8 General Information ...
Page 133: ...Field Settings SiUS34 801A_b 118 VRVIII R 410A Heat Pump 60Hz ...
Page 254: ...SiUS34 801A_b Test Operation VRVIII R 410A Heat Recovery 60Hz 239 R 410A Label R 410A Label ...
Page 329: ...Field Setting SiUS34 801A_b 314 Indoor Unit ...
Page 340: ...SiUS34 801A_b Troubleshooting by Remote Controller Troubleshooting 325 ...
Page 490: ...SiUS34 801A_b Piping Diagrams Appendix 475 Heat Pump 230V RXYQ72 96 120PTJU 3D058636A ...
Page 491: ...Piping Diagrams SiUS34 801A_b 476 Appendix Heat Pump 230V RXYQ144PTJU 3D058640 ...
Page 492: ...SiUS34 801A_b Piping Diagrams Appendix 477 Heat Recovery 460V REYQ72 96 120PYDN 3D058639A ...
Page 493: ...Piping Diagrams SiUS34 801A_b 478 Appendix Heat Recovery 460V REMQ72PYDN 3D058637A ...
Page 494: ...SiUS34 801A_b Piping Diagrams Appendix 479 Heat Recovery 460V REMQ96 120PYDN 3D058638A ...
Page 495: ...Piping Diagrams SiUS34 801A_b 480 Appendix Heat Recovery 230V REYQ72 96 120PTJU 3D058639A ...
Page 496: ...SiUS34 801A_b Piping Diagrams Appendix 481 Heat Recovery 230V REYQ144PTJU 3D058640 ...
Page 497: ...Piping Diagrams SiUS34 801A_b 482 Appendix Heat Recovery 230V REMQ72PTJU 3D058637A ...
Page 498: ...SiUS34 801A_b Piping Diagrams Appendix 483 Heat Recovery 230V REMQ96 120PTJU 3D058638A ...
Page 501: ...Piping Diagrams SiUS34 801A_b 486 Appendix 1 3 BS Unit 4D057985A ...
Page 537: ...Piping Installation Point SiUS34 801A_b 522 Appendix ...
Page 543: ...Pressure Sensor SiUS34 801A_b 528 Appendix ...
Page 563: ...SiUS34 801A_b iv Index ...