Daikin EWHQ-G Manuals

Manuals and User Guides for Daikin EWHQ-G. We have 1 Daikin EWHQ-G manual available for free PDF download: Operation Manual

Daikin EWHQ-G Operation Manual

Daikin EWHQ-G Operation Manual (82 pages)

Air and water cooled scroll chillers & heat pump

Brand: Daikin | Category: Chiller | Size: 2.47 MB

Table of Contents

Table of Contents
2
1 Safety Considerations

6
- General
  6
- Avoid Electrocution
  6
- Safety Devices
  7
- Available Sensors
  9
  - Pressure Transducers
    9
  - Temperature Sensors
    9
  - Thermistors
    9
- Available Controls
  9
  - Evaporator - Condenser Pumps
    9
  - Compressors
    9
  - Expansion Valve
    9
  - Four Way Valve
    9
- Abbreviations Used
  10
- Customer Terminal Block Connections
  10
  - Connections Description and Purpouse
    10
2 General Description

13
- Overview
  13
- Controller Operating Limits
  13
- Controller Architecture
  13
- Communication Modules
  14
3 Using the Controller

16
- General Recommendation
  17
- Browsing
  17
- Passwords
  18
- Editing
  19
- Basic Control System Diagnostic
  20
- Controller Maintenance
  21
- Software Update Procedure
  22
- Optional Remote User Interface
  24
- Embedded Web Interface
  26
4 Menu Structure

28
- Main Menu
  28
- View/Set Unit
  29
  - Thermostat Ctrl
    29
  - Network Ctrl
    29
  - Unit Cond Ctrl (W/C Only)
    29
  - Pumps
    30
  - Master/Slave
    30
  - Date/Time
    32
  - Power Conservation
    32
  - Controller IP Setup
    32
- View/Set Circuit
  33
  - Settings
    33
- Tmp Setpoints
  35
- Temperatures
  35
- Available Modes
  36
- Timers
  36
- Alarms
  36
- Commission Unit
  36
  - Configure Unit
    37
  - Alarm Limits
    37
  - Calibrate Unit Sensors
    38
  - Calibrate Circuit Sensors
    38
  - Unit Manual Control
    39
  - Circuit 1 Manual Control
    39
  - Scheduled Maintenance
    40
- Save and Restore
  40
- Ewwq - Ewlq - Ewhq Ewaq - Ewyq
  40
- About this Chiller
  41
5 Working with this Unit

41
- Unit Setup
  41
  - Control Source
    41
  - Available Mode Setting
    42
  - Temperature Setpoint Settings
    42
  - Thermostat Control Settings
    43
  - Alarm Settings
    45
  - Pumps
    46
  - Power Conservation
    46
- Unit/Circuit Start-Up
  49
  - Prepare the Unit to Start
    49
  - Preparing Circuits to Start
    51
- Circuit Capacity Control
  52
  - Low Evaporating Pressure
    52
  - High Condensing Pressure
    53
- Mode Change-Over (H/P Only)
  53
- Backup Heaters (A/C Only)
  53
- Condensation Control (W/C Only)
  54
  - Pressure (W/C Only)
    54
  - Cond in / Cond out (W/C Only)
    55
  - Fan Control (A/C Only)
    55
- EXV Control
  55
- Defrost (A/C Only)
  56
- Four Way Valve (H/P Gas Side Reversal Only)
  57
- Master/Slave
  57
  - Master Slave Overview
    57
    
    Plant 1 : Single Common Pump
    58
    
    Plant 2 : Single Chiller Pump
    58
    
    Plant 4. Chiller with Sectioned Evaporator
    58
  - Electrical Connection
    59
  - Master Slave Operation
    61
  - Master Slave Options
    63
6 Alarms

65
- Unit Warning Alarms
  65
- Unit Pumpdown Stop Alarms
  67
- Unit Rapid Stop Alarms
  69
- Master Slave Alarm
  72
- Circuit Warning Alarms
  74
- Circuit Pumpdown Stop Alarms
  75
- Circuit Rapid Stop Alarms
  75

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