Samsung AVMKH020EA4 Service Manual page 266

The heating test operation by S-NET (cont.)
7. Check T-evap in of the indoor heat exchanger(condenser) based on heating.
G It is normal if the temperature is 35˚C ~ 50˚C.
G It is normal if the temperature is 15˚C ~ 25˚C higher than that of indoor, temperature.
✳ If there is especially low temperature of indoor unit compare with others.
✳
- There is possibility of bad insulation of room that indoor unit is installed.
✳
- Indoor unit pipe length is too long.
✳
- If there is height different more than 10m among indoor units, the farest indoor unit from outdoor unit can have low
temperature : In this case you can set-up a option key, but you should consider customer and installation conditions
because it can cause refrigerant flowing noise.
8. Check T-evap out of the indoor heat exchanger(condenser) based on heating.
G It is normal if the temperature is 50˚C ~ 90˚C.
G It is normal if the temperature is 30˚C ~ 65˚C higher than that of indoor temperature.
13-4-5 Installation
Keep the air conditioner pipe outlet and inlet free from its surroundings.
In case of breakdown, keep the symmetry and fix it to prevent vibration.
The pipe length shall meet the standard as far as possible.
Samsung Electronics
Reference Sheet
13-18