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(" 22
r
co ro
(" 23
i i
or
i
" 23 i
i
Push BS2 within 5 minutes
Open valve A
Display show " 23
o
r
r
Add additional refrigerant amount P (lbs. (kg))
Close valve A
Push BS3 to stop operation
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co
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r
26
Push BS2
T
check will be performed
A
" 0
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r
i
ri
Push BS1
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i fi i
Fill in the amount on the additional
refrigerant charge label
Go to test run
fi
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i c
r
r
o c
r
cifi
i c
i r ri
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r ri
may cause the refrigerant composition to change, preventing normal
operation.
Before charging, check whether the refrigerant cylinder is equipped
with a siphon tube or not.
Charge the liquid
refrigerant with the
cylinder in upright
position.
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o
oo
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the system.
29
Heating charging
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co
Following codes appear:
"E-2 i
oor
r
r o
o
range) and
"E-3 o
oor
r
r o
o
range)
Push BS1 to leave program
r i
i fi i
Fill in the amount on the additional
refrigerant charge label
Input the additional refrigerant
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i
i
Go to test run
or
or i or
io r
r o
o
o r ri
r
i i
i
r
i
i i
or
Charge the liquid
refrigerant with the
cylinder in upside-
down position.
or
o
r r
ir
r
or i
ri
ro
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i o
(" 02
r
co ro
(" 03
i i
or
coo i
" 03 i
i
Push BS2 within 5 minutes
Open valve A
Display show " 03
o
Refrigerant will be charged automatically.
"PE c
r i
r fi i
"P9 c
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fi i
P (lbs. ( g)) as added during automatic charging.
R=Q+P
Close valve A
Push BS1 to leave program
r i
i fi i
Fill in the amount on the additional refrigerant charge label
Go to test run
If following codes appear:
"E-2 i
oor
r
r o
"E-3 o
oor
r
r o
In this case, perform automatic charging procedure again.
NOTE
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i
i
cidents, so always make sure that the appropriate refrigerant (R410A)
is charged. Refrigerant containers must be opened slowly.
CAUTION
When charging a system, charging over the permissible quantity
can cause liquid hammer.
Always use protective gloves and protect your eyes when charging
refrigerant.
When the refrigerant charging procedure is done or when pausing,
close the valve of the refrigerant tank immediately. If the tank is left
with the valve open, the amount of refrigerant which is properly
charged may get off point. More refrigerant may be charged by any
remaining pressure after the unit has stopped.
-
Cooling charging
r
r
i
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r
o
co
OR
During gray conditions
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o r
c
c
o io
3P362438-5N English
c-
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