Troubleshooting Guide; Refrigeration Cycle System - Panasonic CS-DZ50VKE Service Manual

17. Troubleshooting Guide

17.1 Refrigeration Cycle System

In order to diagnose malfunctions, make sure that there are no
electrical problems before inspecting 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 conditions, the standard values for them
are shown in the table on the right.
Normal Pressure and Outlet Air Temperature (Standard)
Cooling Mode
Heating Mode 2.0 ~ 2.7 (20 ~ 27)
*Condition: • Indoor fan speed = High
100
Gas pressure
MPa temperature
2
(kg/cm G)
0.9 ~ 1.2 (9 ~ 12)
• Outdoor temperature 35°C at the cooling
mode and 7°C at the heating mode
• Compressor operates at rated frequency
Outlet air
(°C)
13 ~ 17
32 ~ 42