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SiUS34-801A_b
Test Operation
VRVIII R-410A Heat Pump 60Hz
73
10.2 Procedure and Outline
Use the following procedure to conduct the initial test operation after installation:
10.2.1 Check Work Prior to Turn Power Supply On
Check on refrigerant piping /
ins
u
lation materials
Check airtight test and
v
ac
uu
m
drying.
Terminal
Dryer
(1000
W
)
Check the
b
elo
w
items.
2
Po
w
er
w
iring
2
Control transmission
w
iring
b
et
w
een
u
nits
2
Gro
u
nd
w
ire
Is the
w
iring installed as specified?
Is designated
w
iring
u
sed?
Is the
w
iring scre
w
tight?
Is the gro
u
nding
w
ork completed?
Is the ins
u
lation of the main po
w
er s
u
pply circ
u
it deteriorated?
Use a 500
V
megger tester to meas
u
re the ins
u
lation. (*1)
2
Do not
u
se a megger tester for other circ
u
its than 200
V
(or
240
V
) circ
u
it.
*1:Meas
u
res to
b
e taken against decreased ins
u
lation resistance in
the compressor:
If the compressor is left to stand for
an extended period of time after the
refrigerant is charged
w
ith the stop
v
al
v
e open and the po
w
er s
u
pply
OFF, refrigerant may
b
e mixed in the
compressor, th
u
s decreasing the
ins
u
lation resistance.
Heat the compressor as sho
w
n on
the right and then recheck the
ins
u
lation.
Is the pipe size correct?
Are the design press
u
res for the li
qu
id pipe, gas pipe, and
press
u
re e
qu
alizer pipe (in case of m
u
lti
u
nits) all not less than
5
8
0psi?
Is the pipe ins
u
lation material installed sec
u
rely?
Li
qu
id, gas pipe need to
b
e ins
u
lated. (Other
w
ise ca
u
ses
w
ater
leaks.)
Ha
v
e the airtight test and the
v
ac
uu
m drying
b
een cond
u
cted
according to the proced
u
re in the Installation Man
u
al?
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 ...