Daikin FTXTA30AW - Indoor Unit

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ESIE17-19C | Part 4. Maintenance 4.1. Indoor unit

19/08/19 | Version 1.1 Page 99

Optimized Heating 4

Part 4. Maintenance

This part contains the following chapters:

4.1. Indoor unit

4.1.1. General maintenance indoor unit

1. Optimal operation conditions

2. Correlation of air-conditioner's operation status, pressure and running current

* Water in the refrigerant freezes inside the electronic expansion valve and is basically the same phenomenon as pump down.

** Dirt in the refrigerant clogs filters inside the piping and is basically the same phenomenon as pump down.

*** Pressure differential between high and low pressure becomes low.

Indoor unit ............................................................................................................................................................................................99

Outdoor unit........................................................................................................................................................................................100

Cooling Heating

Differential between suction temperature

and discharge temperature

8~18°C 14~30°C

DB 27°C 20°C

WB 19°C Not applicable

COOLING Low pressure High pressure Running current

Dirty air filter Lower Lower Lower

Short circuit of air inlet/outlet Lower Lower Lower

Air mixed in refrigerant Higher Higher Higher

Water mixed in refrigerant Lower* Lower Lower

Dirt mixed in refrigerant Lower** Lower Lower