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Test Operation
SiUS34-801A_b
88
VRVIII R-410A Heat Pump 60Hz
10.2.5.4Procedure of check operation
Perform the following Check Operation procedures or malfunction code [U3] will be displayed in
the remote controller and normal operation can not be carried out.
Check of shutoff valve opening
Check of miswiring
Judgment of piping length
Check of refrigerant overcharge
Note:
Check operation can not carried out at outdoor temp. less than 23°F.
Perform the check operation at a day or time that the outdoor temp. is 23°F or higher.
[Check Operation Procedure]
1. Close the Electrical Components Box lid and all front panels except as the side of the Electrical
Components Box and turn on the power to the outside unit and all connected BS, indoor units.
Be sure to turn the power on at least 6 hours before operation in order to have power running to
the crank case heater.
2. Make the onsite settings as needed using the push button (BS1-BS5) on the outside unit PC-
board (A1P) with the power on. See
10.2.6 Onsite Settings
.
3. Perform the check operation following the Check Operation Method of the [Service Precautions]
label (lower) on the Electrical Components Box lid. See figure 32. The system operation for
about 40~60 minutes and automatically stops the check operation.
If the malfunction code is not displayed in the remote controller after the system stop, check
operation is completed. Normal operation will be possible after 5 minutes. If the malfunction
code is displayed in the remote controller, correct the malfunction displayed as [
Remote
controller displays malfunction code
] and perform the check operation again.
Note:
For interrupting the check operation, push RETURN button (BS3).
[Ser
v
ice Preca
u
tion] la
b
el (
u
pper)
[Ser
v
ice Preca
u
tion] la
b
el (lo
w
er)
ELECTICAL COMPO
N
E
N
TS BOX (1) lid
fi
g
. 32
< RXYQ144PTJU Only >
(Only RXYQ
~
PYD
N
and
RXYQ144PTJU)
ELECTRICAL COMPO
N
E
N
TS BOX (2) lid
[Ser
v
ice Preca
u
tion] la
b
el (
u
pper)
Ser
v
ice Preca
u
tion] la
b
el (lo
w
er)
ELECTICAL COMPO
N
E
N
TS BOX (2) lid
ELECTICAL COMPO
N
E
N
TS BOX (1) lid
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 ...