Troubleshooting Guide; Refrigeration Cycle System - Panasonic CS-TZ20TKEW Service Manual

18. Troubleshooting Guide

18.1 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.
AMP Air Conditioning
Normal Pressure and Outlet Air Temperature (Standard)
Cooling Mode
Heating Mode 2.0 ~ 2.7 (20 ~ 27)
*Condition: • Indoor fan speed = High
• Outdoor temperature 35°C at the cooling
mode and 7°C at the heating mode
• Compressor operates at rated frequency
93
www.ampair.co.uk | sales@ampair.co.uk
Gas Pressure Outlet air
MPa Temperature
2
(kg/cm G) (°C)
0.9 ~ 1.2 (9 ~ 12) 13 ~ 17
32 ~ 42