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Daikin EWWD VZ Manuals
Manuals and User Guides for Daikin EWWD VZ. We have
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Daikin EWWD VZ manuals available for free PDF download: Operation Manual, Installation, Maintenance And Operating Manual
Daikin EWWD VZ Operation Manual (84 pages)
Air and Water cooled inverter chillers and heat pump
Brand:
Daikin
| Category:
Air Conditioner
| Size: 2 MB
Table of Contents
Table of Contents
2
1 Safety Considerations
7
General
7
Avoid Electrocution
7
Safety Devices
7
General Safety Devices
7
Circuit Safety Devices
8
Component Safety Devices
8
Available Sensors
9
Pressure Transducers
9
Temperature Sensors
9
Thermistors
9
Leak Detectors
9
Available Controls
10
Evaporator Pumps
10
Condenser Pumps (W/C Units Only)
10
Compressors
10
Expansion Valve
10
Switchbox Pressurization Fan for HFO Units (W/C Only)
10
Customer Terminal Block Connections
10
Evaporator Flow Switch
11
Condenser Flow Switch (W/C Units Only)
11
Double Setpoint
11
Current Limit (Optional)
11
External Fault
11
Rapid Restart (Optional)
11
Remote On-Off
11
General Alarm
11
Compressor Status
11
Circuit Alarm (Optional)
11
Evaporator Pump Start
12
Condenser Pump Start (W/C Units Only)
12
Demand Limit
12
Setpoint Override
12
Pump VFD Signal (A/C Units Only)
12
2 General Description
13
Basic Information
13
Abbreviations Used
13
Controller Operating Limits
13
Controller Architecture
14
Communication Modules
14
3 Using the Controller
15
General Recommendation
15
Navigating
15
Passwords
16
Editing
16
Basic Control System Diagnostic
17
Controller Maintenance
18
Optional Remote User Interface
18
Embedded Web Interface
19
4 Menu Structure
21
Main Menu
21
View/Set Unit
21
Thermostat Ctrl
21
Network Ctrl
22
Compressor Vfd Setup (A/C Units Only)
22
Pumps
22
Condenser (W/C Units Only)
23
Press Fan (W/C Units Only)
23
Master/Slave
23
Data
24
Options
24
Thermostat Ctrl
25
Timers
25
Standby Chiller
25
Rapid Restart
25
Date/Time
25
Scheduler
26
Power Conservation
26
Controller IP Setup
27
Daikin on Site
27
Menu Password
27
View/Set Circuit
28
Data
28
Compressor
29
Condenser (A/C Only)
29
Exv
30
Economizer (A/C Only)
30
Settings (A/C Units Only)
30
Variable VR
30
Active Setpoint
30
Evaporator LWT
31
Condenser LWT (W/C Units Only)
31
Unit Capacity
31
Unit Mode
31
Unit Enable (A/C Units Only)
32
Timers
32
Alarms
32
Commission Unit
32
Alarm Limits
32
Calibrate Sensors
33
Unit Calibrate Sensors
33
Circuit Calibrate Sensors
33
Manual Control
34
Unit
34
Circuit #1 (Circuit #2 if Present)
35
Scheduled Maintenance
36
About this Chiller
36
5 Working with this Unit
37
Unit Setup
37
Control Source
37
Available Mode Setting
37
Temperature Settings
38
LWT Setpoint Setting
38
Thermostat Control Settings
39
Alarm Settings
40
Pumps
40
Power Conservation
40
Demand Limit
40
Current Limit (Optional)
41
Setpoint Reset
41
Setpoint Reset by OAT Reset (A/C Units Only)
41
Setpoint Reset by External 4-20 Ma Signal
42
Setpoint Reset by Evaporator Return Temperature
42
Soft Load
42
Date/Time
43
Date,Time and UTC Settings
43
Quiet Mode Scheduling (A/C Units Only)
43
Scheduler
43
Unit/Circuit Start-Up
43
Unit Status
43
Prepare the Unit to Start
44
Unit Switch Enable (A/C Units Only)
44
Unit Switch Enable (W/C Units Only)
44
Keypad Enable
45
BMS Enable
45
Unit Start Sequence
45
Circuit Status
45
Circuits Start Sequence
46
High Water Temperature Limit (A/C Units Only)
47
Low Evaporating Pressure
47
High Condensing Pressure
48
High Vfd Current
48
High Discharge Temperature
48
Condensation Control (A/C Units Only)
49
Fan Settings (A/C Units Only)
49
Fan VFD Settings
49
Condensation Control (W/C Units Only)
50
EXV Control
51
Economizer Control (A/C Units Only)
51
Liquid Injection Control
52
Variable Volume Ratio Control
52
6 Alarms and Troubleshooting
53
Unit Alerts
54
Bad Current Limit Input
54
Bad Demand Limit Input
54
Bad Leaving Water Temperature Reset Input
54
Condenser Pump #1 Failure (W/C Units Only)
55
Condenser Pump #2 Failure (W/C Units Only)
55
Energy Meter Communication Fail
55
Evaporator Pump #1 Failure
56
Evaporator Pump #2 Failure
56
External Event
56
Fan Alarm Module Communication Fail (A/C Units Only)
57
Heat Recovery Entering Water Temperature Sensor Fault (A/C Units Only)
57
Heat Recovery Leaving Water Temperature Sensor Fault (A/C Units Only)
57
Heat Recovery Water Temperatures Inverted (A/C Units Only)
58
Rapid Recovery Module Communication Fail
58
Switch Box Temperature Sensor Fault (A/C Units Only)
58
Unit Pumpdown Stop Alarms
59
Condenser Entering Water Temperature (EWT) Sensor Fault
59
Condenser Leaving Water Temperature (LWT) Sensor Fault
59
Evaporator Entering Water Temperature (EWT) Sensor Fault
59
Evaporator Water Temperatures Inverted
60
Outside Air Temperature (OAT) Lockout (A/C Units Only)
60
Outside Air Temperature Sensor Fault Alarm (A/C Units Only)
60
Unit Rapid Stop Alarms
61
Condenser Water Freeze Alarm (W/C Units Only)
61
Condenser Water Flow Loss Alarm (W/C Units Only)
61
Emergency Stop
61
Evaporator Flow Loss Alarm
62
Evaporator Leaving Water Temperature (LWT) Sensor Fault
62
Evaporator Water Freeze Alarm
62
External Alarm
63
Gas Leakage Alarm (W/C Units Only)
63
Heat Recovery Water Freeze Protect Alarm (A/C Units Only)
63
Optionctrlrcommfail (A/C Units Only)
64
Power Fault (Only for A/C Units with the UPS Option)
64
PVM Alarm (A/C Units Only)
64
Circuit Alerts
65
Economizer Pressure Sensor Fault (A/C Units Only)
65
Economizer Temperature Sensor Fault (A/C Units Only)
65
Failed Pumpdown
66
Fan Fault (A/C Units Only)
66
Gas Leakage Sensor Fault (A/C Units Only)
66
Cxcmp1 Maintcode01 (A/C Units Only)
67
Cxcmp1 Maintcode02 (A/C Units Only)
67
Power Loss (A/C Units Only)
67
Circuit Pumpdown Stop Alarms
68
Discharge Temperature Sensor Fault
68
Gas Leakage Fault (A/C Units Only)
68
High Compressor Vfd Temperature Fault (A/C Units Only)
69
Liquid Temperature Sensor Fault (W/C Units Only)
69
Low Compressor Vfd Temperature Fault (A/C Units Only)
69
Low Oil Level Fault (W/C Units Only)
70
Low Discharge Superheat Fault
70
Oil Pressure Sensor Fault
70
Suction Temperature Sensor Fault
71
Circuit Rapid Stop Alarms
71
Compressor Extension Communication Error (W/C Units Only)
71
EXV Driver Extension Communication Error (W/C Units Only)
71
Compressor VFD Fault
72
Compressor VFD Overtemp (A/C Units Only)
72
Condensing Pressure Sensor Fault
72
Economizer EXV Driver Error (A/C Unit Only)
73
Economizer EXV Motor Not Connected (A/C Unit Only)
73
Evaporating Pressure Sensor Fault
73
EXV Driver Error (A/C Units Only)
74
EXV Motor Not Connected (TZ B Units Only)
74
Fail Start Low Pressure
74
Fan VFD over Current (A/C Units Only)
75
High Discharge Temperature Alarm
75
High Motor Current Alarm
75
High Motor Temperature Alarm
76
High Oil Pressure Differential Alarm
76
High Pressure Alarm
76
Low Pressure Alarm
77
Low Pressure Ratio Alarm
78
Maximum Number of Restart Alarm (A/C Units Only)
78
Mechanical High Pressure Alarm
79
Mechanical Low Pressure Alarm (W/C Units Only)
79
No Pressure at Start Alarm
80
No Pressure Change at Start Alarm
80
Overvoltage Alarm
80
Undervoltage Alarm
81
VFD Communication Failure
81
7 Options
82
Total Heat Recovery (Optional - A/C Units Only)
82
Energy Meter Including Current Limit (Optional)
82
Rapid Restart (Optional)
83
Inverter Pump Kit (Optional)
83
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Daikin EWWD VZ Installation, Maintenance And Operating Manual (34 pages)
WATER-COOLED WATER CHILLERS WITH VARIABLE SPEED COMPRESSOR
Brand:
Daikin
| Category:
Chiller
| Size: 2 MB
Table of Contents
Table of Contents
2
1 Introduction
7
Precautions against Residual Risks
7
General Description
8
Application
8
Information about Refrigerant R1234Ze(E)
8
Safety Installation
9
Additional Guidelines for Safe Use of R1234Ze(E) for Equipment Located in the Open Air
9
Additional Guidelines for Safe Use of R1234Ze(E) for Equipment Located in a Machinery Room
9
2 Installation
11
Storage
11
Receiving and Handling
11
Lifting Instructions
11
Positioning and Assembly
12
Shock Absorbers
12
Anchoring
12
Water Pipes
12
Evaporator and Condenser Water Pipes
12
Flow Switch
13
Water Treatment
14
Temperature Limits and Water Flow
15
Operating Limits EWWD-VZ
15
Operating Limits EWWH-VZ
16
Minimum Water Content in the System
17
Evaporator Freeze Protection
18
Condenser Protection and Design Considerations
18
Condensation Control with Evaporative Cooling Tower
18
Condensation Control with Well Water
18
Chilled Water Control Sensor
19
Safety Valve
19
Open the Isolation And/Or Shut off Valves
19
Electrical Connections
19
Phase Imbalance
19
Control Circuit
20
3 Operation
20
Operator's Responsibilities
20
Unit Description
21
Cooling Cycle Description
21
Evaporator
21
Condenser
21
Expansion Valve
21
Compressors
21
Oil Management System
22
Oil Recovery System
22
Electrical Control Panel
22
Safeties for each Refrigerant Circuit
23
System Safeties
24
Regulation Type
24
Compressor Alternation
24
High Pressure Condensation Control
24
High Pressure Mechanical Safety Pressure Switch
24
Compressor Motor Protection
24
4 Maintenance
24
Maintenance and Repair
24
Pressure/Temperature Table
25
Routine Maintenance
26
Check Condenser Performance
26
Electronic Expansion Valve
26
Cooling Circuit
26
Refrigerant Charge
28
Electrical Installation
28
Cleaning and Storage
28
Seasonal Maintenance
28
Seasonal Shutdown
29
Seasonal Start up
29
5 Service Schedule
29
6 Maintenance Schedule
29
7 Precommissioning Check List
31
8 Important Information Regarding the Refrigerant Used
32
Factory and Field Charged Units Instructions
32
9 Periodic Checks and Commissioning of Pressure Vessels
33
10 Demolition and Disposal
33
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