Haier HPR09XC7 User Manual page 2

115v/60hz
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iMPORTANT
POINTS
ON SERVICE
OPERATING
SAFETY
Please
follow
these
instructions
careful|y:
• Unplug
the unit to avoid any danger
from electric
shock
before disassembling
the unit for
repair.
• If there
is any sound of the refrigerant
circulating
when in operation,
avoid touching
the
cooling
coils.
• If you need to perform
any welding
or soldering,
be sure you are in a well ventilated
area.
• Only a qualified
professional
should
perform
any welding
on the unit.
® When repairing
the unit, the specifications
listed in this manual
must be strictly
adhered
to when replacing
any components.
• When replacing
any electrical
components
they should
be factory
approved
units.
• Be sure that any electrical
components
are properly
wired and in place.
FLOW
CHART
FOR
iNSPECTiNG
AND
REPAiRiNG
THE
UNiT
IAIROONDITIONERU
J PLUGAN0S0ONET
I jRE-PLUG,N GTNE
/
I/
_ST_NGBY
H
I
AIRCONDITIONER
WON'T COOL
PROPERLY
J
COMPRESSOR
WON'T
I
I
CHANGE THE
J R
EFR,CERANT
1 LEAKAGE
_
_LL_I'tUU|INU _
J
NITROGENGASFROMLOW-PRESSURESIDEAND
_ .............
,
THESYSTEM
USEOXYACETYLENE ANDPLUS5%
__SILVER SOLDER TOWELDTHE
CHANGE C OOLANT AND
I
RUNNING TEST
I,_
-1-

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