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EWAD740-C19C-XR
Daikin EWAD740-C19C-XR User Manual
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ESIE10-01
Alarms and Events
Part 3 – Troubleshooting
3–15
3
3
4
5
1
1.3.1
Entering Evaporator Water Temp
erature Sensor Fault
Event description (as shown on screen
):
EWT Sensor Fail.
Trigger:
Sensor
shorted or
open.
Action Taken:
Return water reset cannot be used.
Reset:
Auto reset when sensor is back in range.
214
216
Table of Contents
Table of Contents
4
Troubleshooting
5
System Architecture
152
Part 2
153
The Digital Controller
153
Customer Interfaces
154
Overview this Chapter Contains the Following Topics
154
Display and Keypad
158
What Is in this Chapter
171
Unit Functions
172
Circuit Functions
188
What Is in this Chapter
203
1.2-Unit Stop Alarms
203
1.3-Unit Events
203
Circuit Stop Alarms
218
Circuit Events
245
Alarm Logging
252
Event Logging
253
What Is in this Chapter
255
Main Board Controller (POL687.70/MCQ)
256
Expansion I/O Compressor #1 to #4 (POL965.00/MCQ)
258
Expansion I/O EXV Circuit #1 to #4 (POL94U.00/MCQ)
260
Expansion I/O Fan Module Circuit #1 & #2 (POL945.00/MCQ)
261
Expansion I/O Fan Module Circuit #3 (POL945.00/MCQ)
262
Expansion I/O Fan Module Circuit #4 (POL945.00/MCQ)
263
Expansion I/O Fan Module Circuit #3 & #4 (POL945.00/MCQ)
264
Expansion I/O Unit Alarm & Limiting (POL965.00/MCQ)
265
What Is in this Chapter
267
Software Programming with SD Card
268
What Is in this Chapter
271
Procedure to Protect Compressor in Case of Frozen Evaporator
271
What Is in this Chapter
273
Troubleshooting Chart
275
What Is in this Chapter
275
Pre-Start Commissioning Check List
282
General Checks
283
Water Piping Checks
284
What Is in this Chapter
287
Typical Operating Data
288
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Daikin EWAD740-C19C-XR Specifications
General
Brand
Daikin
Model
EWAD740-C19C-XR
Category
Chiller
Language
English
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