Si341213
Penyelesaian Masalah Menggunakan Remote Kontrol
133
Diagnosis Servis
Stop valve closed
Clogging of foreign
particles
High pipe
Bent or crashed pipe
resistance
Defective outdoor
unit electronic
expansion valve
Defective
high
pressure
control
Defective
control
High suction
air
temperature
High suction air
temperature of
unit outdoor
of the
condenser
Dirty condenser
in condensing
capacity
Mixing of non-condensable gas
Defective valve body
fan airflow
rate
Defective fan
motor
Decreased
fan
output
Defective service
monitor PCB
(Including
capacity setting)
High air
passage
resistance
Dirty filter
PERIKSA 1
Pemeriksaan untuk Penyebab Kenaikan Tekanan Tinggi
Mengacu pada Analisis Pohon Kesalahan/Fault Tree Analysis (FTA) yang ditunjukkan di
bawah, menyelidiki titik yang rusak.
Rise in high
pressure
Local
pressure
rise
[In cooling]
If the katup ekspansi
elektronik unit outdoor is
throttled: (
1)
Defective valve coil
Check to be sure the stop valve is open.
Conduct visual checks for pipe conditions.
Is there any temperature difference caused before
and after the filter or branch pipe.
Are the coil resistance and insulation nor mal?
[In cooling]
A temperature difference in excess of 10
C
between the inlet and the outlet is deemed to be abnormal.
Defective sensor tekanan tinggi
Defective service monitor PCB
Short circuit
High outdoor air temperature
Are the electrical characteristics normal?
Is the pressure value checked with the Service Checker
corresponding to the measurement of the pressure sensor?
Is the suction air temperature not more than
43
C?
Is the outdoor temperature not more than 43
C?
Degradation
Decreased
Is the penukar panas clogged? (In cooling)
Is air or else mixed in the refrigeran system?
Can the fan motor be rotated with hands?
Are the motor coil resistance and
insulation normal?
If a spare PCB is mounted, is the capacity
setting properly made?
Is the air filter clogged?
Obstacle
Is there any obstacle in the air passage?
Excessive pengisian refrigeran
Is the indoor unit too small compared to
the large-sized unit outdoor?
Catatan:
1: In cooling, it is normal if the katup ekspansi elektronik unit outdoor (EV1) is fully open.
Содержание VRV III RQQ8-48PY1
Страница 1: ...Pendinginan Saja R 410A 50Hz RQQ8 48PY1 Service Manual Si341213...
Страница 6: ......
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