Hitachi RAC-25WEC - Refrigerating Cycle Diagram

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MODEL RAK-18/25PEC，RAK-25PECC，RAK-10PECI

RAC-18/25WEC RAC-10WECI

5KNGPEGT5KNGPEGT

Main Page

Specifications1
Specifications6
Figure Showing the Installation of Lndoor and Outdoor Unit7
Manual Operation9
Names and Functions9
Operation Mode Selection9
Room Temperature Setting9
Timer Reservation10
Powerful Operation10
ON Time Setting10
Adjusting the Airflow Direction11
How to Exchange the Batteries11
ECO Operation11
Adjust the Airflow Upward and Downward12
Adjust the Airflow to Left and Right12
Precautions During Installation13
Precautions During Operation13
Safety13
Indoor Unit Indications14
Indoor Unit14
Outdoor Unit14
Maintenance15
Cleaning of Front Panel15
Attaching the Front Panel15
Removing the Front Panel15
Regular Inspection16
After Sales Service16
Capabilities16
Construction and Dimensional Diagram18
Main Parts Component21
Thermostat Specifications21
Fan Motor Specifications21
Main Electric Components for Outdoor Unit21
Compressor Motor Specifications22
Wiring Diagram23
Wiring Diagram of the Printed Wiring Board24
Circuit Diagram25
Block Diagram28
Basic Mode29
Mode Data File30
Basic Cooling Operation31
Cooling Defrost32
Cooling Powerful Operation32
Dehumidifying33
Dehumidifying Powerful Operation34
Basic Heating Operation35
Reversing Valve Defrosting36
Setting Defrosting Inhibit Period36
Heating Powerful Operation37
Leave Home37
Eoc38
Refrigerating Cycle Diagram39
Cooling Cycle39
Heating Cycle39
Procedure for Disassembly and Reassembly42
Front Panel42
Control P .W.B. and Indicating P.W.B.42
Front Cover42
Table of Contents43
Tangential Air Flow Fan and Fan Motor43
Electrical Parts43
Outdoor Unit44
Electrical Parts44
- Fig. 1144
  - Description of Main Circuit Operation45
  - Control Power Circuit45
- Fig45
Fig47
- Buzzer Circuit48
- Fig48

Hitachi RAC-25WEC - Refrigerating Cycle Diagram

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