Panasonic CS-A90KE User Manual

Troubleshooting Guide
Refrigeration cycle system
In order to diagnose malfunctions, make sure that
there are no electrical problems before inspect-
ing the refrigeration cycle. Such problems include
insufficient insulation, problem with the power source,
malfunction of a compressor and a fan.
The normal outlet air temperature and pressure
of the refrigeration cycle depends on various condi-
tions, the standard values for them are shown in the
table to the right.
Normal Pressure and Outlet Air Temperature (Standard)
\
Se Gas pressure Outlet air
Be | MPa temperature
e (kg/cm?G) (°C)
Cooling mode 0.4 ~ 0.6 (4 ~ 6) 12~16
Heating mode 1.5 ~ 2.1 (15 ~ 21) 36 ~ 45
* Condition: Indoor fan speed; High
Outdoor temperature 35°C at the cooling mode
and 7°C at the heating mode
Difference in the intake
and outlet
air temperatures
More than 8°C
(15 minutes after an
operation is started.)
at the cooling mode
More than 14°C
(15 minutes after an
operation is started.)
at the heating mode
Less than 8°C at the cooling mode
Less than 14°C at the heating mode
| Normal |
e Measuring the air temperature
difference
Higher than specified
Value of electric
current during operation
e Measuring electric current
during operation
Lower than specified
Gas
side
Cooling
Mode
pressure
Heating Mode
Clogged strainer or
capillary tube
| inefficient compressor |
Clogged strainer or
capillary tube
Insufficient refrigerant
—41-

Panasonic CS-A90KE Specifications

General

Brand	Panasonic
Model	CS-A90KE
Category	Air Conditioner
Language	English