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EWYQ025BAW
Daikin EWYQ025BAW Manuals
Manuals and User Guides for Daikin EWYQ025BAW. We have
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Daikin EWYQ025BAW manuals available for free PDF download: Service Manual, Installation And Operation Manual
Daikin EWYQ025BAW Service Manual (229 pages)
Small inverter chillers
Brand:
Daikin
| Category:
Chiller
| Size: 65.22 MB
Table of Contents
Table of Contents
3
Table of Contents
4
Introduction
7
Safety Cautions
7
Caution in Repair
7
Cautions Regarding Products after Repair
9
Inspection after Repair
10
Using Icons
10
Using Icons List
11
Part 1 - General Outline
12
Option Specifications
13
Technical Specifications
13
Electrical Specifications
13
Nomenclature
13
Operation Range
13
Refrigerant Circuit
14
Esie11
16
EWYQ021BA, 025BA, 040BA Module, 050BA Module
17
EWYQ032BA, 064BA Module
19
Front View
20
Functional Parts Layout Outdoor Unit
20
Top View
20
Refrigerant Flow for each Operation Mode
23
Heating Operation
24
Ewa/Yq016Ba, 021Ba, 025Ba, 032Ba
29
Water Circuit
29
Legend
30
Notes
30
EWA/YQ040BA, 050BA, 064BA Module
31
Pressure Drop
33
Unit with High Static Pump
33
Unit with Standard Pump
33
Plate Heat Exchanger Pressure Drop
34
Unit Without Pump
34
Hydrobox Wiring
36
Wiring Diagram
36
Switch Box Layout
38
Wiring Diagram - Three Phase (3N~)
39
Wiring Outdoor
40
Field Wiring
49
Part 2 - Functional Description
50
Function General
51
Symbol
51
Operation Mode
52
Basic Control
53
List of Functions in Normal Operation
53
Normal Operation
53
Compressor PI Control
54
Compressor Step Control
54
Electronic Expansion Valve PI Control
55
Subcooling Electronic Expansion Valve EV2 Control
55
Step Control of Outdoor Unit Fans
56
Outdoor Unit Fan Control in Cooling Operation
57
Special Control
58
Startup Control
58
Startup Control in Cooling Operation
58
Startup Control in Heating Operation
59
Defrosting Operation
60
Pump-Down Residual Operation
61
Pump-Down Residual Operation in Cooling Operation
61
Pump-Down Residual Operation in Heating Operation
61
Crankcase Heater Control
62
Restart Standby
62
Standby
62
Stopping Operation
63
When System Is in Stop Mode (Normal Operation Stop)
63
High Pressure Protection Control
64
Protection Control
64
Low Pressure Protection Control
65
Discharge Pipe Protection Control
66
INV Compressor
66
STD Compressor
66
Inverter Fin Temperature Control
67
Inverter Overcurrent Protection Control
67
Inverter Protection Control
67
STD Compressor Overload Protection
68
Emergency Operation
69
Other Control
69
Restrictions for Emergency Operation
69
Demand Operation
72
Freeze Prevention
73
Outline of Control (Hydrobox)
73
Thermostat Control
74
Flow Control
75
Unit State DEFROST
75
Unit State OPERATION LED on
75
Unit State RUN COOLING/HEATING
75
Field Setting from Outdoor Unit
76
Setting at Replacement by Spare PCB
78
Initial Conditions of Dip Switches
78
Setting Mode 1 (H1P Off)
79
Setting by BS Button Switches
79
Monitor Mode (H1P Blinks)
80
Setting Mode 1
81
Setting Mode 2
82
Monitor Mode
86
Setting of Low Noise Operation and Demand Operation
87
Image of Operation in the Case of a
88
Image of Operation in the Case of a and B
88
Image of Operation in the Case of B
88
Setting of Refrigerant Recovery Mode
92
Setting of Vacuuming Mode
93
Remote Controller
94
Temperature Read out for Remote Control
94
Field Setting
95
Field Setting from Remote Control
95
Remote Control Setup
99
Room Temperature Compensation Value
99
Setting Not Applicable
99
User Permission Level
99
Automatic Setback Function
102
Settings Are Not Applicable
102
Automatic Setback
103
Weather Dependent Set Point
103
External Room Thermostat Option
104
Option Setup
104
Automatic Temperature Compensation
105
Remote Controller Temperature Control
105
Leaving Water Temperature Limits
106
Service Mode
107
Weekly Schedual
108
Part 3 - Troubleshooting
110
Symptom-Based Troubleshooting
112
Malfunction Codes and Description
115
Malfunction Code Indication by Outdoor Unit PCB
117
A1
121
Error Codes
121
A6
122
A9
123
Ae
125
Aj
126
C1
127
C4
128
C9
129
Ca
130
Cj
131
E1
132
E6
139
E7
140
L8
161
L9
163
Lc
165
Pj
171
U0
172
U1
173
U2
174
U4
178
U5
179
U8
180
Ua
181
Uf
182
Uh
183
Part 4 - Service Procedure
192
Ew*Q016Ba
193
List of Electrical and Functional Parts
193
EW*Q021BA, 025BA, 040BA Module, 050BA Module
194
EW*Q032BA, 064BA Module
195
Thermistor Resistance / Temperature Characteristics
196
Pressure Sensor
198
Checking Failures in Power Semiconductors Mounted on Inverter PCB
199
Method of Checking the Inverter's Power Transistors and Diode Modules
199
Diode Module Checking
200
Power Module Checking
200
Ekrp1Aht
201
Options
201
Explanation
202
Field Settings
202
Thermostat ON/OFF
202
Dta104A62
204
Procedure for Software Upload Hydrobox
209
What Do You Need
209
Software Upload Procedure
210
Part 5 - Commissioning and Test Run
218
Installation Process
219
Test Run
219
Check Work Prior to Turn Power Supply on
220
Procedure and Outline
220
Turn Power on
221
Before Test Run
222
Onsite Settings
222
Onsite Settings with the Power on
222
Test Run
222
Operation When Power Is Turned on
223
When Turning on Power First Time
223
Hydrobox or Outdoor Unit PCB Has Been Changed
223
Part 6 - Maintenance
224
Maintenance of the Main Parts
226
Preventive Maintenance
226
Unit Casing
226
Compressor
226
Index
227
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Daikin EWYQ025BAW Installation And Operation Manual (48 pages)
Packaged air-cooled water chiller
Brand:
Daikin
| Category:
Chiller
| Size: 4.01 MB
Table of Contents
Table of Contents
6
Installation Manual
7
Introduction
7
About Air to Water Chiller
7
About this Air to Water Chiller
7
About this Document
7
Meaning of Warnings and Symbols
7
Meaning of Used Terms
7
Precautions for Installation
8
Prepare the Installation of the Air to Water Chiller
8
Check that You Have All Optional Equipment
8
Verify the Appropriate Installation Location
8
General Precautions on Installation Location
9
Weather Dependent Precautions
9
Selecting a Location in Cold Climates
9
Dimensions of Outdoor Unit
9
Service Space
9
Prepare the Water Piping Work
9
Prepare the Electrical Wiring Work
10
Install the Chiller
11
Unpack the Unit
11
Inspection
11
Handling
11
Unpacking
11
Install the Unit
11
Place the Unit on Its Final Place
11
Opening the Unit
12
Check if All Accessories Are Included
12
Overview of the Unit
13
Main Components of the Outdoor Module
13
Main Components of the Hydro Module
13
Perform the Water Piping Work
15
Connecting the Water Pipes
15
Installing the Shut-Off Valve Kit
15
Insulating the Water Pipes
15
Check the Water Volume and Expansion Vessel Pre-Pressure
15
Protecting the Water Circuit against Freezing
16
Fill the Water Circuit
17
Connect the Electrical Wiring
17
Internal Wiring - Parts Table - Outdoor Module
17
Internal Wiring - Parts Table - Hydro Module
18
Installing the Main Switch Handle
18
System Overview of Field Wiring
18
Connection of the Unit Power Supply and Communication Cable(S)
18
Routing
19
Installation of the Remote Controller
19
Install Optional Equipment
20
Commissioning the Chiller
20
Verify Completion of Installation
20
Configure the Unit
20
Final Air Purging
20
Field Setting on Outdoor Module(S)
20
Field Settings on the Remote Controller
22
Procedure
22
Detailed Description
23
Final Check and Test Run
27
Final Check
27
Unit Test Run
27
Handover to the User
27
Service and Maintenance
28
Maintenance Activities
28
Error Codes
28
Important Information Regarding the Refrigerant Used
28
Unit Specifications
29
Technical Specifications
29
Electrical Specifications
29
Annex
29
Operation Manual
30
Definitions
30
Meaning of Warnings and Symbols
30
Meaning of Used Terms
30
General Safety Precautions
30
Introduction
30
General Information
30
Scope of this Manual
30
Quick Start-Up of the Unit
31
Space Cooling/Heating Operation
31
Operating the Unit
31
Operating the Remote Controller
31
Features and Functions
31
Basic Controller Functions
31
Clock Function
31
Schedule Timer Function
31
Name and Function of Buttons and Icons
32
Setting up the Controller
33
Setting the Clock
33
Setting the Schedule Timer
33
Space Cooling Operation ( )
33
Room Temperature Control
33
Leaving Water Temperature Control (Default)
34
Space Heating Operation ( )
34
Room Temperature Control
34
Leaving Water Temperature Control (Default)
35
Other Operation Modes
36
Start up Operation ( )
36
Defrost Operation
36
Quiet Mode Operation ( )
36
Temperature Read-Out Mode
36
Schedule Timer Operation
37
Space Cooling
37
Space Heating
37
Quiet Mode
38
Programming and Consulting the Schedule Timer
38
Getting Started
38
Programming
39
Consulting Programmed Actions
41
Tips and Tricks
41
Operating the Optional Demand PCB
42
Operating the Optional External Control Adapter
42
Operating the Optional Remote Controller
42
Field Settings
43
Procedure
43
Field Settings Table
44
Maintenance
46
Important Information Regarding the Refrigerant Used
46
Maintenance Activities
46
Standstill
46
Troubleshooting
46
Error Codes
46
Disposal Requirements
46
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