Daikin ERQ Manuals

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

Daikin ERQ Service Manual (260 pages)

ERQ 100/125/140 A7V1B (outdoor unit) EKEQD/F/MCBV3 (control box) EKEXV 50/63/80/100/125/140 (expansion valve kit)

Brand: Daikin | Category: Heat Pump | Size: 13.3 MB

Table of Contents

3
- Service Manual
  1
- Introduction
  7
  - Safety Cautions
    7
Part 1 General Information

11
- 1 Model Names of Outdoor Units, Control Box and Expansion Valve Kit
  
  12
  - Outdoor Units
    12
  - Control Box
    13
  - Expansion Valve Kit
    14
- 2 Combination Table
  
  15
  - Esie09
    15
- Part 2 Specifications
  
  17
  - Specifications
    18
    
    Outdoor Units
    18
    
    Air Handling Units
    21
- Part 3 List of Electrical and Functional Parts
  
  23
  - List of Electrical and Functional Parts
    24
    
    Outdoor Unit
    24
Part 4 Refrigerant Circuit

25
- 1 Refrigerant Circuit
  
  26
  - Outdoor Unit
    26
- 2 Functional Parts Layout
  
  28
  - Erq 100/125/140 A7V1B
    28
  - Back View
    29
Part 5 Function

31
- 1 Operation Mode
  
  32
- 2 Basic Control
  
  33
  - Normal Operation
    33
  - Compressor PI Control
    34
  - Cooling Operation Fan Control
    35
- 3 Special Control
  
  36
  - Startup Control
    36
  - Oil Return Operation
    37
  - Defrosting Operation
    39
  - Pump-Down Residual Operation
    40
  - Restart Standby
    41
  - Stopping Operation
    42
- 4 Protection Control
  
  43
- 5 Other Control
  
  47
  - Demand Operation
    47
  - Heating Operation Prohibition
    47
- 6 Outline of Control
  
  48
Part 6 Control Box Ekeq - Cbv3

53
- 1 Different Systems with Their Control Boxes
  
  54
  - System A: PAIR
    54
  - System B: MULTI
    56
- 2 X, Y, Z Control
  
  59
  - X-Control
    59
  - Y-Control
    60
  - Z-Control
    61
- 3 Wiring Diagram of Control Box
  
  62
  - D-Box
    62
  - F-Box
    63
- 4 Attention Points
  
  64
  - System A: EKEQF & EKEQD-Box: Installation and Operation Manual
    65
- 5 System A: EKEQF & EKEQD-Box: Installation and Operation Manual.55
  
  65
- 6 System B: EKEQM-Box: Installation and Operation Manual
  
  80
Part 7 Test Operation

93
- 1 Test Operation
  
  94
- 2 Outdoor Unit PC Board Layout
  
  101
- 3 Field Setting
  
  102
  - Field Setting from Remote Controller
    102
  - Field Setting from Outdoor Unit
    110
- Part 8 Installation and Operation Manual
  
  127
  - Installation Manual
    128
Installation Manual

131
- 1 Safety Considerations
  
  131
- 2 Introduction
  
  132
  - Combination
    132
  - Standard Supplied Accessories
    133
  - Technical and Electrical Specifications
    133
- 3 Before Installation
  
  133
  - Precautions for R410A
    133
  - Installation
    133
  - Handling
    133
- 4 Selecting Installation Site
  
  133
- 5 Precautions on Installation
  
  134
- 6 Installation Servicing Space
  
  135
- 7 Refrigerant Pipe Size and Allowable Pipe Length
  
  136
  - Selection of Piping Material
    136
- 8 Precautions on Refrigerant Piping
  
  136
  - Cautions for Brazing
    137
  - Cautions for Flare Connection
    137
- 9 Refrigerant Piping
  
  137
  - Preventing Foreign Objects from Entering
    138
  - Cautions for Handling Stop Valve
    138
  - How to Use the Stop Valve
    138
  - Cautions for Handling the Valve Cover
    138
  - Cautions for Handling Service Port
    138
  - Precautions When Connecting Field Piping and
    139
  - Regarding Insulation
    139
  - Leak Test and Vacuum Drying
    139
- 10 Additional Refrigerant Charge
  
  139
  - Important Information Regarding the Refrigerant Used
    140
  - Procedures for Adding Refrigerant
    141
- 11 Electrical Wiring Work
  
  141
- 12 Before Operation
  
  145
  - Service Precautions
    145
  - Checks before Initial Start-Up
    145
  - Field Setting
    145
  - Test Operation
    147
  - Checks in Normal Operation
    148
  - Temperature Adjustment Operation Confirmation
    148
- 13 Service Mode Operation
  
  148
- 14 Caution for Refrigerant Leaks
  
  149
  - Introduction
    149
  - Maximum Concentration Level
    149
  - Procedure for Checking Maximum Concentration
    149
- 15 Disposal Requirements
  
  149
Operation Manual

152
Part 9 Troubleshooting

159

Daikin ERQ Installation Manual (42 pages)

Self-Contained Water Source Heat Pump Unit Ventilator

Brand: Daikin | Category: Heat Pump | Size: 9.48 MB

Table of Contents
3
Nomenclature

4
- Data Plate - Specific Information
  4
- Data Plate Location
  5
Models ARQ, ERQ, GRQ Self-Contained Floor Unit Ventilator Installation

5
- Receiving & Handling
  5
- Visible Loss or Damage
  5
- Concealed Loss or Damage
  5
- Storage
  5
- Lifting Unit
  5
- General Unit Data
  5
Safety

6
Pre-Installation Considerations

6
Wall Openings, Louvers & Venitmatic Shutter

9
Louver Installations with Typical Unit Arrangements

10
- 16-5/8" Unit Depth
  10
- 21-7/8" Unit Depth
  11
- Unit Depth
  12
Installing Louvers

12
Installing the Ventimatic Shutter Assembly

14
Preparing to Move the Unit

16
- Removing Unit from Skid
  16
Unit Ventilator Installation

16
Operating Limits

19
Piping Considerations

20
Water System Cleaning

21
Make Piping Connections

22
- Water Coil Connections
  22
- System Balancing
  23
Making Control Connections

24
- Microtech II Unit-Mounted DDC Control Components
  
  24
Typical Wiring Diagram

27
- DX Cooling with Electric Heat, Valve Control 460V, 3 Phase
  
  27
Electical Data

28
- Size 024
  
  28
- Size 040
  28
- Size 048
  29
Microtech II Unit Electical Connections

30
- Microtech II Remote Wall-Mounted Sensor
  32
Electromechanical Unit Wire Connections

36
Installing (Optional) End Panel

37
- Piping Stub-Up Details, 6' End Panel
  38
- End Panel Assembly, 1" and 6" End Panel
  38
Prepare Unit Ventilator for Start-Up

39
- Post Installtion Checklist
  39
- Oiling
  39
- Filters
  39
Prepare for Start-Up

40
- Complete Check, Test and Start Procedure
  40
Troubleshooting

41
- The in and Outs of R-410A
  41
- Lubrication
  41
- Charging
  41
- General Maintenance
  41
- Troubleshooting Refrigeration Circuit
  42

Daikin Categories

Air Conditioner Heat Pump Remote Control Chiller Air Handlers

More Daikin Manuals

Daikin ERQ Manuals

Daikin ERQ Service Manual (260 pages)

Table of Contents

Table of Contents

Part 1 General Information

1 Model Names of Outdoor Units, Control Box and Expansion Valve Kit

2 Combination Table

Part 2 Specifications

Part 3 List of Electrical and Functional Parts

Part 4 Refrigerant Circuit

1 Refrigerant Circuit

2 Functional Parts Layout

Part 5 Function

1 Operation Mode

2 Basic Control

3 Special Control

4 Protection Control

5 Other Control

6 Outline of Control

Part 6 Control Box Ekeq - Cbv3

1 Different Systems with Their Control Boxes

2 X, Y, Z Control

3 Wiring Diagram of Control Box

4 Attention Points

5 System A: EKEQF & EKEQD-Box: Installation and Operation Manual.55

6 System B: EKEQM-Box: Installation and Operation Manual

Part 7 Test Operation

1 Test Operation

2 Outdoor Unit PC Board Layout

3 Field Setting

Part 8 Installation and Operation Manual

Installation Manual

1 Safety Considerations

2 Introduction

3 Before Installation

4 Selecting Installation Site

5 Precautions on Installation

6 Installation Servicing Space

7 Refrigerant Pipe Size and Allowable Pipe Length

8 Precautions on Refrigerant Piping

9 Refrigerant Piping

10 Additional Refrigerant Charge

11 Electrical Wiring Work

12 Before Operation

13 Service Mode Operation

14 Caution for Refrigerant Leaks

15 Disposal Requirements

Operation Manual

Part 9 Troubleshooting

Symptom-Based Troubleshooting

Troubleshooting by Remote Controller

Troubleshooting by Indication on the Remote Controller

Troubleshooting by Indication on the Unified ON/OFF Controller

Part 10 Appendix

Part 11 Precautions for New Refrigerant (R-410A)

Daikin ERQ Installation Manual (42 pages)

Table of Contents

Nomenclature

Models ARQ, ERQ, GRQ Self-Contained Floor Unit Ventilator Installation

Safety

Pre-Installation Considerations

Wall Openings, Louvers & Venitmatic Shutter

Louver Installations with Typical Unit Arrangements

Installing Louvers

Installing the Ventimatic Shutter Assembly

Preparing to Move the Unit

Unit Ventilator Installation

Before Sliding the Unit into Place

Operating Limits

Piping Considerations

Water System Cleaning

Make Piping Connections

Making Control Connections

Microtech II Unit-Mounted DDC Control Components

Typical Wiring Diagram

DX Cooling with Electric Heat, Valve Control 460V, 3 Phase

Electical Data

Size 024

Microtech II Unit Electical Connections

Electromechanical Unit Wire Connections