Hyundai HDFN-80-1400 Manuals

Manuals and User Guides for Hyundai HDFN-80-1400. We have 1 Hyundai HDFN-80-1400 manual available for free PDF download: Operation Instructions Manual

Hyundai HDFN-80-1400 Operation Instructions Manual

Hyundai HDFN-80-1400 Operation Instructions Manual (69 pages)

Gas/ Oil Direct-fired Absorption Chiller-heater

Brand: Hyundai | Category: Chiller | Size: 5.41 MB

Table of Contents

Table of Contents
6
Chapter 1 Component and Function

9
- Construction and Function of Major Components
  9
- Evaporator
  9
- Absorber
  9
- High Pressure Generator
  9
- Low Pressure Generator
  9
- Condenser
  10
- Solution Heat Exchangers
  10
- Purging System
  10
- Pumps
  10
- Solution Pump, Refrigerant Pump
  10
- Purge Pump (Vacuum Pump)
  10
- Cooling and Heating Cycle
  14
- Cooling Cycle
  14
- Heating Cycle
  15
- Capacity Control and Protective Devices
  17
- Chilled Water Temperature Control
  17
- Hot Water Temperature Control
  17
- Solution Flow Rate Control
  18
- Low Load Control
  19
- Emergency Stop
  19
- Protective Devices
  19
Chapter 2 Preparation and Operation

24
- Preparation for Operation
  24
- Evacuation
  24
- Charging of Solution, Refrigerant and Alcohol
  24
- Checking of Rotation Direction of each Motor
  26
- Operation Procedure
  27
- Cautions During Initial Period of Operation
  27
- Preparation for Start-Up
  28
- Adjustment Procedure for Operation
  29
- Outline of Solution Flow
  29
- Adjustment Procedure for Solution Flow Rate
  30
- Cooling Operation
  36
- StarUp
  36
- Stoppage
  36
- Heating Operation
  38
- Start-Up
  38
- Stoppage
  39
- Cooling to Heating
  39
- Changeover between Cooling and Heating Cycle
  40
- Heating to Cooling
  40
- Service Operation
  40
- Purging
  40
- Importance of Purging
  40
- Purging Operation
  41
- Vacuum Measurement
  42
- Continuous Purging
  43
- Explanation on the System of Continuous Purging
  43
- Operation Procedure
  44
- Cautions During Operation
  44
- Checking of Solution Concentration
  44
- DeCrystallization
  45
- Recording of Operation Data
  45
- Prolonged Shut-Down
  45
Chapter 3 Maintenance and Inspection

46
- Daily Inspection
  46
- Vacuum Maintenance of the Unit
  46
- Purging Operation
  46
- Recording Operation Data
  46
- Others
  47
- Periodical Inspection
  47
- Maintenance of Purge Pump
  47
- Cooling Water Control
  50
- Temperature Control
  50
- Water Quality Control for Cooling Water
  50
- During Prolonged ShutDown
  51
- Inspection and Cleaning of Tubes
  51
- Mechanical Cleaning
  52
- Chemical Cleaning
  52
- Cautions for Use
  54
- Solution Control
  54
- Combustion Control
  54
- Troubleshooting and Countermeasure
  57
- No Drop of Chilled Water Temperature in Cooling Operation
  57
- No Rise of Hot Water Temperature in Heating Operation
  57
- Improper Combustion
  58
- Actuation of Protective Devices
  58
- In Case of Power Failure
  59
- In Case of Emergency Like Earthquake and Fire
  59
- Principle of Absorption Chiller-Heater
  61
- Vacuum
  61
- Reason Why Heating Can Produce Chilled Water
  61
- Explanation on Refrigeration Cycle
  62
- Double Effect (Two-Stage) Absorption Chiller
  64
- Properties of Lithium Bromide Solution
  64
- General Properties
  64
- Solubility
  65
- Specific Gravity
  65
- Specific Heat
  65
- Vapor Pressure
  65
- Corrosiveness
  65
- Others
  65
- Adjustment Procedure of Inhibiter for Lithium Bromide Solution
  68
- General
  68
- Standard of Lithium Bromide Solution
  68
- Sampling Procedure of Lithium Bromide Solution
  68
- Description on Container for Sampling
  68
- Charging Procedure of Chemicals
  69
- Subsequent Treatment
  69
- Caution for Handing the Chemicals
  69
- Spill-Over
  69

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