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Daikin EWAT_B Manuals
Manuals and User Guides for Daikin EWAT_B. We have
1
Daikin EWAT_B manual available for free PDF download: Operating Manual
Daikin EWAT_B Operating Manual (38 pages)
Air Cooled chiller with scroll compressors
Brand:
Daikin
| Category:
Chiller
| Size: 1.75 MB
Table of Contents
Table of Contents
2
1 Safety Considerations
4
General
4
Before Switching the Unit
4
Avoid Electrocution
4
2 General Description
5
Basic Information
5
Abbreviations Used
5
Controller Operating Limits
5
Controller Architecture
5
Communication Modules
6
3 Using the Controller
6
Navigating
6
Passwords
6
Editing
7
Basic Control System Diagnostic
7
Controller Maintenance
8
Optional Remote User Interface
8
Embedded Web Interface
8
4 Working with this Unit
10
Chiller On/Off
10
Keypad On/Off
10
Scheduler and Silent Mode Functionalities
11
Silent Mode Function Can be Enabled Only in Unit Equipped with VFD Fans
12
Network On/Off
12
Water Setpoints
12
Unit Mode
13
Energy Saving Mode
14
Unit Status
14
Network Control
15
Thermostatic Control
15
Date/Time
16
Pumps
17
External Alarm
17
Power Conservation
18
Demand Limit
18
Setpoint Reset
19
Setpoint Reset by OAT (A/C Units Only)
20
Setpoint Reset by External 4-20Ma Signal
20
Setpoint Reset by DT
21
Electrical Data
22
Controller IP Setup
23
Daikin on Site
24
Heat Recovery
24
5 Alarms and Troubleshooting
26
Unit Alerts
26
Badlwtreset - Bad Leaving Water Temperature Reset Input
26
Energymetercomm - Energy Meter Communication Fail
26
Evappump1Fault - Evaporator Pump #1 Failure
26
Evappump2Fault - Evaporator Pump #2 Failure
27
Externalevent - External Event
27
Heatrec Entwtempsen - Heat Recovery Entering Water Temperature Sensor Fault (A/C Units Only)
27
Heatrec Lvgwtempsen - Heat Recovery Leaving Water Temperature Sensor Fault (A/C Units Only)
28
Heatrec Freezealm - Heat Recovery Water Freeze Protect Alarm (A/C Units Only)
28
Option1Boardcomm - Optional Board 1 Communication Fail (A/C Units Only)
28
Option2Boardcomm - Optional Board 2 Communication Fail
28
Unit Pumpdown Alarms
29
Unitoff Evpentwtempsen - Evaporator Entering Water Temperature (EWT) Sensor Fault
29
Unitofflvgentwtempsen - Evaporator Leaving Water Temperature (LWT) Sensor Fault
29
Unitoffambtempsen - Outside Air Temperature Sensor Fault (A/C Units Only)
29
Unit Rapid Stop Alarms
30
Unitoffevapwatertmplow - Evaporator Water Temperature Low Alarm
30
Unitoff Externalalarm - External Alarm
30
PVM Alarm (A/C Units Only)
30
Unitoff Evapwaterflow - Evaporator Water Flow Loss Alarm
31
Unitoff Exvdrivercomm - EXV Driver Extension Communication Error
31
Circuit Pumpdown Stop Alarms
31
Discharge Temperature Sensor Fault
31
Cxoff Offsucttempsen - Suction Temperature Sensor Fault
32
Cxoff Gasleakage - Gas Leakage Fault
32
Circuit Rapid Stop Alarms
32
Cxoff Condpresssen - Condensing Pressure Sensor Fault
32
Cxoff Evappresssen - Evaporating Pressure Sensor Fault
33
Cxoff Dischtmphigh - High Discharge Temperature Alarm
33
Cxoff Condpresshigh - High Condensing Pressure Alarm
34
Cxoff Evappresslow - Low Pressure Alarm
34
Cxoff Restartfault - Restart Fault
35
Cxoff Mechhighpress - Mechanical High Pressure Alarm
35
Cxoff Nopresschange - no Pressure Change at Start Alarm
36
CX Failedpumpdown - Failed Pumpdown Procedure
36
Cmpx Protection - Compressor Protection
37
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