Daikin EWAD-BZ Manuals

Manuals and User Guides for Daikin EWAD-BZ. We have 1 Daikin EWAD-BZ manual available for free PDF download: Service Manual

Daikin EWAD-BZ Service Manual

Daikin EWAD-BZ Service Manual (228 pages)

Air-cooled units with R134a refrigerant

Brand: Daikin | Category: Chiller | Size: 27 MB

Table of Contents

Table of Contents
3
Introduction
7
About this Manual
7
Nomenclatures
8
Part 1 - System Outline
11
Part 2 - Functional Description
13
The Digital Controller Menus
15
What Is in this Chapter
15
Main Menu
16
Alarm Menu
18
Active Menu
19
View Menu
23
S O R
23
C O M P R E S S O R
23
C O M P R E S S O R
28
Compressor Menu
30
E X V
33
Step
43
Settings Menu
44
C O M P R E S S O R
44
Alarms Menu
75
Maintenance Menu
79
Debug Menu
93
Functional Control
95
What Is in this Chapter
95
Control Possibilities
96
Operating Modes
97
Set-Point Management
98
Unit Start Sequence
100
Compressor Management Control
107
1-Overview and Explanation
108
2-Definitions and Programming
109
3-Compressor Load Evaluation
113
4-Maximum Pull down Rate
115
5-Compressor Timers
116
6-Interstage Timer
117
7-Compressor Rotation Management
118
Compressor Capacity Control
119
Compressor Stopping Sequence
124
Pump down Control
125
Fan Control Management
126
Cooling Mode
127
Heating Mode
132
Liquid Injection
134
Electronic Expansion Valve Control
136
Economizer
140
Heat Recovery
144
Limitation
149
Defrost
155
Part 3 - Troubleshooting
157
Overview of Fault Indications and Safeties
159
What Is in this Chapter
159
001: PVM or GPF Alarm
161
003: Freeze Alarm
162
007: Evaporator Pump Maintenance
163
007: Second Pump Maintenance
164
009: External Alarm
165
010: Unit N. 2 Is Offline
166
011: Evaporator Flow Alarm
167
012: B9 Probe Fault or Not Connected
168
013: B10 Probe Fault or Not Connected
169
101: Compressor # Overload
170
102: Low Pressure Ratio Alarm
171
103: High Pressure Switch Alarm
172
104: High Pressure Alarm
173
106: Low Pressure Alarm
174
107: High Discharge Temperature
175
108: Compressor # Maintenance
176
109: B1 Probe Fault or Not Connected Oil Pressure
177
110: B3 Probe Fault or Not Connected Low Pressure
178
111: B4 Probe Fault or Not Connected Disch. Temp
179
112: B6 Probe Fault or Not Connected Disch. Press
180
113: Transition Alarm Comp
181
114: Low Oil Pressure
182
115: High Oil Pressure Difference
183
117: Low Discharge Superheat Alarm
184
D11: EXV Driver # Probe Fault
185
D12: EXV # Step Motor Error
186
D13: EXV Driver # Eeprom Error
187
D14: EXV Driver # Battery Error
188
D15: EXV Not Closed During Power off
189
D16: Driver # Offline
190
E01/E02/E03/E04: Probe Alarm
191
EXP A/B/C/D Offline
192
Part 4 - Service Procedures
193
Procedure for Controller Changing
195
Procedure for Controller Programming
197
Copy from the Software Key to Pco²
197
Copy from Pco² to the Software Key
198
Installation of Winload32 on the PC and Programming a Controller
199
Copy Software from Winload32 to the Software Key
214
Procedure for Expansion Board Changing
215
Procedure for EEV Driver Changing
216
Procedure for Fan Inverter Changing
217
Procedure for Compressor Inverter Changing
220
Procedure for Soft Starter Changing
222
Procedure for Fan Phase Cut Module Changing
226
Procedure to Protect Compressor in Case of Frozen Evaporator
227
Procedure to Clear the Refrigerant Circuit in Case of Frozen Evaporators
228

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