Daikin EWYQ021BAW Manuals

Manuals and User Guides for Daikin EWYQ021BAW. We have 2 Daikin EWYQ021BAW manuals available for free PDF download: Service Manual, Installation And Operation Manual

Daikin EWYQ021BAW Service Manual (229 pages)

Small inverter chillers

Brand: Daikin | Category: Chiller | Size: 65.22 MB

Table of Contents
3
Table of Contents
4
Introduction
7
Safety Cautions
7
Caution in Repair
7
Cautions Regarding Products after Repair
9
Inspection after Repair
10
Using Icons
10
Using Icons List
11
Part 1 - General Outline
12
- Option Specifications
  13
- Technical Specifications
  13
- Electrical Specifications
  13
- Nomenclature
  13
- Operation Range
  13
- Refrigerant Circuit
  14
Esie11
16
- EWYQ021BA, 025BA, 040BA Module, 050BA Module
  17
- EWYQ032BA, 064BA Module
  19
- Front View
  20
- Functional Parts Layout Outdoor Unit
  20
- Top View
  20
- Refrigerant Flow for each Operation Mode
  23
- Heating Operation
  24
- Ewa/Yq016Ba, 021Ba, 025Ba, 032Ba
  29
- Water Circuit
  29
  - Legend
    30
  - Notes
    30
- EWA/YQ040BA, 050BA, 064BA Module
  31
- Pressure Drop
  33
  - Unit with High Static Pump
    33
  - Unit with Standard Pump
    33
  - Plate Heat Exchanger Pressure Drop
    34
  - Unit Without Pump
    34
- Hydrobox Wiring
  36
- Wiring Diagram
  36
- Switch Box Layout
  38
- Wiring Diagram - Three Phase (3N~)
  39
- Wiring Outdoor
  40
- Field Wiring
  49
Part 2 - Functional Description
50
- Function General
  51
- Symbol
  51
- Operation Mode
  52
- Basic Control
  53
- List of Functions in Normal Operation
  53
- Normal Operation
  53
- Compressor PI Control
  54
- Compressor Step Control
  54
- Electronic Expansion Valve PI Control
  55
- Subcooling Electronic Expansion Valve EV2 Control
  55
- Step Control of Outdoor Unit Fans
  56
- Outdoor Unit Fan Control in Cooling Operation
  57
- Special Control
  58
- Startup Control
  58
  - Startup Control in Cooling Operation
    58
  - Startup Control in Heating Operation
    59
- Defrosting Operation
  60
- Pump-Down Residual Operation
  61
- Standby
  62
- Stopping Operation
  63
- When System Is in Stop Mode (Normal Operation Stop)
  63
- High Pressure Protection Control
  64
- Protection Control
  64
- Low Pressure Protection Control
  65
- Discharge Pipe Protection Control
  66
  - INV Compressor
    66
  - STD Compressor
    66
  - Inverter Fin Temperature Control
    67
  - Inverter Overcurrent Protection Control
    67
- Inverter Protection Control
  67
- STD Compressor Overload Protection
  68
- Emergency Operation
  69
- Other Control
  69
- Restrictions for Emergency Operation
  69
- Demand Operation
  72
- Freeze Prevention
  73
- Outline of Control (Hydrobox)
  73
- Thermostat Control
  74
- Flow Control
  75
- Field Setting from Outdoor Unit
  76
- Setting at Replacement by Spare PCB
  78
- Initial Conditions of Dip Switches
  78
- Setting Mode 1 (H1P Off)
  79
- Setting by BS Button Switches
  79
- Monitor Mode (H1P Blinks)
  80
Setting Mode 1
81
Setting Mode 2
82
- Monitor Mode
  86
- Setting of Low Noise Operation and Demand Operation
  87
- Setting of Refrigerant Recovery Mode
  92
- Setting of Vacuuming Mode
  93
- Remote Controller
  94
- Temperature Read out for Remote Control
  94
- Field Setting
  95
  - Field Setting from Remote Control
    95
  - Remote Control Setup
    99
  - Room Temperature Compensation Value
    99
  - Setting Not Applicable
    99
  - User Permission Level
    99
  - Automatic Setback Function
    102
  - Settings Are Not Applicable
    102
  - Automatic Setback
    103
  - Weather Dependent Set Point
    103
  - External Room Thermostat Option
    104
  - Option Setup
    104
  - Automatic Temperature Compensation
    105
  - Remote Controller Temperature Control
    105
  - Leaving Water Temperature Limits
    106
  - Service Mode
    107
- Weekly Schedual
  108
Part 3 - Troubleshooting
110
Symptom-Based Troubleshooting
112
Malfunction Codes and Description
115
Malfunction Code Indication by Outdoor Unit PCB
117
A1
121
Error Codes
121
- A6
  122
- A9
  123
- Ae
  125
- Aj
  126
- C1
  127
- C4
  128
- C9
  129
- Ca
  130
- Cj
  131
- E1
  132
- E6
  139
- E7
  140
- L8
  161
- L9
  163
- Lc
  165
- Pj
  171
- U0
  172
- U1
  173
- U2
  174
- U4
  178
- U5
  179
- U8
  180
- Ua
  181
- Uf
  182
- Uh
  183
Part 4 - Service Procedure
192
- Ew*Q016Ba
  193
- List of Electrical and Functional Parts
  193
- EW*Q021BA, 025BA, 040BA Module, 050BA Module
  194
- EW*Q032BA, 064BA Module
  195
- Thermistor Resistance / Temperature Characteristics
  196
- Pressure Sensor
  198
- Checking Failures in Power Semiconductors Mounted on Inverter PCB
  199
- Method of Checking the Inverter's Power Transistors and Diode Modules
  199
  - Diode Module Checking
    200
  - Power Module Checking
    200
- Ekrp1Aht
  201
- Options
  201
  - Explanation
    202
  - Field Settings
    202
  - Thermostat ON/OFF
    202
- Dta104A62
  204
- Procedure for Software Upload Hydrobox
  209
- What Do You Need
  209
- Software Upload Procedure
  210
Part 5 - Commissioning and Test Run
218
- Installation Process
  219
- Test Run
  219
- Check Work Prior to Turn Power Supply on
  220
- Procedure and Outline
  220
  - Turn Power on
    221
  - Before Test Run
    222
  - Onsite Settings
    222
  - Onsite Settings with the Power on
    222
  - Test Run
    222
- Operation When Power Is Turned on
  223
- When Turning on Power First Time
  223
- Hydrobox or Outdoor Unit PCB Has Been Changed
  223
- Part 6 - Maintenance
  224
- Maintenance of the Main Parts
  226
- Preventive Maintenance
  226
- Unit Casing
  226
- Compressor
  226
- Index
  227

Daikin EWYQ021BAW Installation And Operation Manual (48 pages)

Packaged air-cooled water chiller

Brand: Daikin | Category: Chiller | Size: 4.01 MB

Table of Contents
6
Installation Manual

7
Annex

29
Operation Manual

30
- Deﬁnitions
  30
  - Meaning of Warnings and Symbols
    30
  - Meaning of Used Terms
    30
- General Safety Precautions
  30
- Introduction
  30
  - General Information
    30
  - Scope of this Manual
    30
- Quick Start-Up of the Unit
  31
  - Space Cooling/Heating Operation
    31
- Operating the Unit
  31
  - Operating the Remote Controller
    31
    
    Features and Functions
    31
    
    Basic Controller Functions
    31
    
    Clock Function
    31
    
    Schedule Timer Function
    31
  - Name and Function of Buttons and Icons
    32
  - Setting up the Controller
    33
    
    Setting the Clock
    33
    
    Setting the Schedule Timer
    33
  - Space Cooling Operation ( )
    33
    
    Room Temperature Control
    33
    
    Leaving Water Temperature Control (Default)
    34
  - Space Heating Operation ( )
    34
    
    Room Temperature Control
    34
    
    Leaving Water Temperature Control (Default)
    35
  - Other Operation Modes
    36
    
    Start up Operation ( )
    36
    
    Defrost Operation
    36
    
    Quiet Mode Operation ( )
    36
  - Temperature Read-Out Mode
    36
  - Schedule Timer Operation
    37
    
    Space Cooling
    37
    
    Space Heating
    37
    
    Quiet Mode
    38
  - Programming and Consulting the Schedule Timer
    38
    
    Getting Started
    38
    
    Programming
    39
    
    Consulting Programmed Actions
    41
    
    Tips and Tricks
    41
  - Operating the Optional Demand PCB
    42
  - Operating the Optional External Control Adapter
    42
  - Operating the Optional Remote Controller
    42
- Field Settings
  43
  - Procedure
    43
    
    Field Settings Table
    44
- Maintenance
  46
- Troubleshooting
  46
  - Error Codes
    46
- Disposal Requirements
  46

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