Hitachi RAC-20WECI Manuals

Manuals and User Guides for Hitachi RAC-20WECI. We have 3 Hitachi RAC-20WECI manuals available for free PDF download: Service Manual, Installation Manual

Hitachi RAC-20WECI Service Manual

Hitachi RAC-20WECI Service Manual (114 pages)

Brand: Hitachi | Category: Air Conditioner | Size: 14.77 MB

Table of Contents

Specifications
1
Specifications
6
Figure Showing the Installation of Lndoor and Outdoor Unit
7
Manual Operation
9
Names and Functions
9
Operation Mode Selection
9
Room Temperature Setting
9
Timer Reservation
10
Powerful Operation
10
ON Time Setting
10
Adjusting the Airflow Direction
11
How to Exchange the Batteries
11
ECO Operation
11
Adjust the Airflow Upward and Downward
12
Adjust the Airflow to Left and Right
12
Precautions During Installation
13
Precautions During Operation
13
Safety
13
Indoor Unit Indications
14
Indoor Unit
14
Outdoor Unit
14
Maintenance
15
Cleaning of Front Panel
15
Attaching the Front Panel
15
Removing the Front Panel
15
Regular Inspection
16
After Sales Service
16
Capabilities
16
Construction and Dimensional Diagram
18
Main Parts Component
21
Thermostat Specifications
21
Fan Motor Specifications
21
Main Electric Components for Outdoor Unit
21
Compressor Motor Specifications
22
Wiring Diagram
23
Wiring Diagram of the Printed Wiring Board
24
Circuit Diagram
25
Block Diagram
28
Basic Mode
29
Mode Data File
30
Basic Cooling Operation
31
Cooling Defrost
32
Cooling Powerful Operation
32
Dehumidifying
33
Dehumidifying Powerful Operation
34
Basic Heating Operation
35
Reversing Valve Defrosting
36
Setting Defrosting Inhibit Period
36
Heating Powerful Operation
37
Leave Home
37
Eoc
38
Refrigerating Cycle Diagram
39
Cooling Cycle
39
Heating Cycle
39
Procedure for Disassembly and Reassembly
42
Front Panel
42
Control P .W.B. and Indicating P.W.B.
42
Front Cover
42
Table of Contents
43
Tangential Air Flow Fan and Fan Motor
43
Electrical Parts
43
Outdoor Unit
44
Electrical Parts
44
- Fig. 11
  44
  - Description of Main Circuit Operation
    45
  - Control Power Circuit
    45
- Fig
  45
  - Reset Circuit
    46
  - Timing Chart
    46
  - Drive Circuit of the Indoor Fan Motor
    47
  - The Circuit Check
    47
  - Typical Circuit Waveform
    47
Fig
47
- Buzzer Circuit
  48
- Fig
  48

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Hitachi RAC-20WECI Installation Manual

Hitachi RAC-20WECI Installation Manual (2 pages)

Brand: Hitachi | Category: Air Conditioner | Size: 1.41 MB

Hitachi RAC-20WECI Installation Manual

Hitachi RAC-20WECI Installation Manual (2 pages)

Brand: Hitachi | Category: Air Conditioner | Size: 1.87 MB

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