3. PRECAUTION FOR SERVICING
Feature 1 Refrigerant oil is different from before.
Refrigerant oil for
New Refrigerant
Synthetic oil
Ether
Esther
Different point from
previous one
Previously it was
mineral oil.
Absorbent character
is high.
Contamination occurs
when mixed withe other
kind of oil.
Use the gauge manifold and charge hose
for New Refrigerant(HFC), which shall
be segregated from those of R22.
Attach the stop valve on the vacuum pump
and avoid the oil from reverse frow.
It is necessary to use the vacuum pump
which can obtain the high vacuum condition.
Precaution on Tools
Feature 2 New Refrigerant has Approx 1.6 times higher pressure than previous refrigerant.
R410A
High Pressure
Different point from
previous one
Diameter of Service port
has been changed from
1/4 Flare to 5/16 Flare.
It requires the gauge manifold and charge
hose exclusively for R410A.
It requires the flare tool and torque wrench
that satisfies New JIS standard.
Precaution on Tools
R410A
R22
1.6 times of R22.
JIS standard of flare
process It became lager
To keep thethickness of
copper tube.
(1/4,3/3=more than 0.8mm)
Previous flare tool + flare adapter can be used as well.
06-04
Содержание AW?Z24LBC
Страница 4: ...1 SPECIFICATIONS R410A CEILING WALL type INVERTER ...
Страница 6: ...2 DIMENSIONS R410A CEILING WALL type INVERTER ...
Страница 7: ... Unit mm DIMENSIONS INDOOR UNIT 02 01 Models AW Z24LBC 300 298 899 250 170 40 ...
Страница 9: ...3 REFRIGERANT SYSTEM DIAGRAM R410A CEILING WALL type INVERTER ...
Страница 11: ...4 CIRCUIT DIAGRAM R410A CEILING WALL type INVERTER ...
Страница 14: ...5 DESCRIPTION OF EACH CONTROL OPERATION R410A CEILING WALL type INVERTER ...
Страница 36: ...6 REFRIGERANT CAUTION R410A R410A CEILING WALL type INVERTER ...
Страница 53: ...IPM Protection Checking Points Check the following points and locate the cause in the outdoor unit Cause ...
Страница 63: ...9 REPLACEMENT PARTS R410A CEILING WALL type INVERTER ...
Страница 64: ...REPLACEMENT PARTS 09 01 Models AW Z24LBC ...
Страница 65: ...REPLACEMENT PARTS 09 02 Models AW Z24LBC ...
Страница 66: ...REPLACEMENT PARTS 09 03 Models AW Z24LBC ...
Страница 67: ...REPLACEMENT PARTS 09 04 Models AO Z24LBT ...
Страница 68: ...REPLACEMENT PARTS 09 05 Models AO Z24LBT ...
Страница 91: ...REPLACEMENT PARTS 09 28 PROCESS Wiring ...
Страница 92: ...REPLACEMENT PARTS 09 29 PROCESS Wiring ...
Страница 93: ...REPLACEMENT PARTS 09 30 Model AO Z24LBT PROCESS Wiring ...
Страница 94: ...10 INSTALLATION MANUAL R410A CEILING WALL type INVERTER ...
Страница 97: ...1116 Suenaga Takatsu ku Kawasaki 213 8502 Japan FEB 2007 Printed in Japan ...