SiUS281117
Test Operation
66
Field Setting
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 a d
u
ct
w
ork to drain?
Ha
v
e yo
u
detach transport fitting?
Is the
w
iring performed 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
w
iring not loose?
Is the electrical component
b
ox co
v
ered
w
ith an ins
u
lation co
v
er
completely?
Is pipe size proper? (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. (Other
w
ise ca
u
ses
w
ater leak.)
Are respecti
v
e stop
v
al
v
es on li
qu
id and gas line sec
u
rely 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 stop
v
al
v
e on the li
qu
id side
w
ith o
u
tdoor
u
nit in stop mode after t
u
rning
po
w
er O
N
.
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.
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.
Carry out field setting on
outdoor unit PCB
