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SiUS28-902_a
Test Operation
Test Operation
42
1. Test Operation
1.1
Procedure and Outline
Follow the following procedure to conduct the initial test operation after installation.
1.1.1 Check Work Prior to Turn Power Supply On
1.1.2 Turn Power On
Check on refrigerant piping
Check on amo
u
nt of refrigerant
charge
Check the
b
elo
w
items.
• Po
w
er
w
iring
• Control transmission
w
iring
b
et
w
een
u
nits
• Gro
u
nd
w
ire
Is the po
w
er s
u
pply single-phase 20
8
-230
V
/ 60Hz?
Ha
v
e yo
u
finished piping to the drain?
Ha
v
e yo
u
detached the transport
b
rackets?
Is the
w
iring installed as specified?
Are the designated
w
ires
u
sed?
Is the gro
u
nding
w
ork completed?
Use a 500
V
megger tester to meas
u
re the ins
u
lation.
• Do not
u
se a megger tester for other circ
u
its than 200-230
V
circ
u
it.
Are the setscre
w
s of the
w
iring tight?
Is the electrical component
b
ox completely co
v
ered
w
ith an
ins
u
lation co
v
er?
Is pipe size correct? (The design press
u
re of this prod
u
ct is
47
8
psi.)
Are pipe ins
u
lation materials installed sec
u
rely?
Li
qu
id and gas pipes need to
b
e ins
u
lated to pre
v
ent
condensation.
Are respecti
v
e stop
v
al
v
es on li
qu
id and gas lines f
u
lly open?
Is refrigerant charged
u
p to the specified amo
u
nt?
If ins
u
fficient, charge the refrigerant from the ser
v
ice port of the
stop
v
al
v
e on the li
qu
id side
w
ith the o
u
tdoor
u
nit in stop mode
after t
u
rning po
w
er on.
Has the amo
u
nt of refrigerant charge
b
een recorded on “Record
Chart of Additional Refrigerant Charge Amo
u
nt”?
Turn outdoor unit power on.
Carry out field setting on
outdoor P.C.B.
Turn indoor unit power on.
Be sure to turn the power on 6 hours before starting operation to
protect compressors.
Close outside panels of the outdoor unit.
Summary of Contents for SkyAir FCQ18PVJU
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Page 44: ...Other Control SiUS28 902_a 37 Function...
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