Hitachi RAM-55QH5 Manuals

Manuals and User Guides for Hitachi RAM-55QH5. We have 3 Hitachi RAM-55QH5 manuals available for free PDF download: Service Manual, Information Booklet & User Manual, Installation Manual

Hitachi RAM-55QH5 Service Manual (109 pages)

Outdoor Unit

Brand: Hitachi | Category: Air Conditioner | Size: 17.63 MB

Table of Contents
1
Specifications
1
Service Manual
1
Technical Information
1
Room Air Conditioner
1
Safety During Repair Work
2
Working Standards for Preventing Breakage of Semiconductors
3
Scope
3
Object Parts
3
Items to be Observed in Handling
3
Grounding of the Working Table
4
Grounding a Soldering Iron
4
Specifications
6
Installation
15
Construction and Dimensional Diagram
22
- Fan Motor
  24
- Fan Motor Specifications
  24
Main Parts Component
24
- Compressor
  25
- Compressor Motor Specifications
  25
- Capacity Diagram (Related to the Ambient Temperature)
  26
- Cooling Capacity
  26
- Heating Capacity
  27
- Capacity Diagram (Related to the Piping Length)
  30
- Cooling
  30
- Heating
  30
- Sound Pressure Level
  32
- Outdoor Unit
  34
Wiring Diagram
34
Circuit Diagram
36
Power Source
39
Block Diagram
39
- Basic Mode
  41
- Room Temperature Shift Value
  42
- Fan Speed by Mode
  42
- Basic Cooling Operation
  46
- Cooling Sleep Operation
  47
- Cooling Defrost
  47
- Dehumidifying
  48
- Dehumidifying Sleep Operation
  48
- Heating Basic Operation
  49
- Heating Sleep Operation
  50
- Expansion Valves
  51
- Compressor Rotation Speed
  51
- Defrost
  53
- Defrost Start Condition
  53
- Defrost Release Condition
  53
- Outputs During Defrost
  53
- Outputs During Auto-Fresh
  56
- Release Condition of Auto-Fresh
  56
- Start Conditions for Auto-Fresh
  56
- Auto-Fresh Defrost
  56
- Forced Cooling
  58
- Execution Condition
  58
- Operation Status
  58
- Processing at Overheat Thermistor (Oh) High Temperature
  60
- Restriction Start Conditions
  60
- Restriction Release Condition (in Common for All)
  60
- When Two Units Are Operated for Heating
  60
- Refrigerating Cycle Diagram
  62
- Cooling, Dehumidifying, Defrosting
  62
- Power Circuit
  66
- System Power Module
  66
- Active Module
  66
Description of Main Circuit Operation
66
Trouble Shooting
94
- Discharge Procedure and How to Cut off Power to Power Circuit
  95
- Lighting Mode Self-Diagnosis Lamp
  96
- Troubleshooting of the System Power Module
  98
- How to Check Power Module
  99
- Checking Power Module Using Tester
  99
- Checking the Refrigerating Cycle
  100
- Disassembly and Reassembly
  101
- Electric Parts
  101
- Front Cover
  101
- Repairing Refrigerating Cycle
  102
- Condenser
  102
- Reversing Valve
  102
- Electric Expansion Valve & Pipe Thermistor Position Charts
  103
Parts List and Diagram
104

Hitachi RAM-55QH5 Information Booklet & User Manual (68 pages)

Monozone/Multizone, Summit, Monoduct, Bigflow, Air Exchanger, Room Air Conditioner

Brand: Hitachi | Category: Air Conditioner | Size: 8.35 MB

Hitachi RAM-55QH5 Installation Manual (2 pages)

SPLIT UNIT AIR CONDITIONER

Brand: Hitachi | Category: Air Conditioner | Size: 0.59 MB

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