36
7
-4. Air conditioner operates, but abnormalities are observed.
7
-4-1. Indoor unit operates, but there is no cooling.
Check solenoid valve in outdoor unit.
7
-4-2. Poor cooling.
Measure coil resistance of solenoid valve
(SVA , SVB)
Clean filter.
Air filter is clogged.
Fan speed is set to LOW.
•
NO
YES
Review cooling load estimate,
if performance of air conditioner is
normal.
•
Insulate both wide and
narrow tubes
separately and then
tape together.
Reduce cooling load
or replace the air
conditioner with
larger capacity.
Temperature
difference
is small.
YES
REP CE
refrigerant
gas
•
•
Temperature difference between
suction and discharge air is
large enough (approx. 10 deg. or more).
Check for clogging of air filter.
Measure temperature of suction
and discharge air of air conditioner.
Wide and narrow tubes between
indoor unit and outdoor unit are
insulated.
•
Possibility of
gas shortage.
Set fan speed to either
HIGH or MEDIUM.
Check position of remote control unit.
Cool air from air conditioner
reaches position directly.
YES
Change position of
remote control unit.
•
•
7
-4-3. Excessive cooling.
Set temperature is suitable.
•
Remote control unit is placed
where it can detect room
temperature properly.
•
Change position of
remote control unit.
NO
Set temperature to
higher value using
temperature setting
buttons of the remote
control unit.
NO
32
Содержание DKR5555C
Страница 20: ...GRV227M3C5 UNTIL31 12 2003 GRV340M3C5 FROM31 12 2003 5 2 ELECTRICWIRINGDIAGRAM SYSTEMWIRINGDIAGRAM 20...
Страница 21: ...GRV340M3C5 ELECTRICWIRINGDIAGRAM 21...
Страница 22: ...22 Outdoor Unit DKR5555C UNTIL 31 12 2002 Outdoor Unit DKR5555C FROM 01 01 2003...
Страница 23: ...23 Outdoor Unit DKR8585C UNTIL 31 12 2003 Outdoor Unit DKR8585C FROM 01 01 2003...