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EWAT CZ Series
Daikin EWAT CZ Series Manuals
Manuals and User Guides for Daikin EWAT CZ Series. We have
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Daikin EWAT CZ Series manuals available for free PDF download: Operating Manual, Installation, Maintenance And Operation Manual
Daikin EWAT CZ Series Installation, Maintenance And Operation Manual (30 pages)
Air to Water Heat Pump Units with Scroll Compressors
Brand:
Daikin
| Category:
Heat Pump
| Size: 1 MB
Table of Contents
Table of Contents
3
1 Introduction
4
Precautions against Residual Risks
4
General Description
5
Information about the Refrigerant
5
Installation Information
5
Table 1 - Physical Properties of R32 Refrigerant
5
3 Storage
7
2 Receipt of the Unit
7
4 Mechanical Installation
7
Handling and Lifting
7
Lifting the MONO Unit
8
Lifting the DUAL Unit
8
Positioning and Assembly
8
Figure 1 - Lifting the MONO Unit
8
Figure 2 - Lifting the DUAL Unit
8
Minimum Space Requirements
9
Figure 3 - Mountig Holes Location (Bottom View)
9
Figure 4 - DUAL Unit
9
Additional Installation Site Requirements
10
Figure 5 - Units Installed Side by Side Along Their Shorter Sides, B or D
10
Figure 6 - Units Installed Side by Side Along Their Longer Sides (Case 1 and Case 2)
10
Figure 7 - Seaside Installation of the Outdoor Unit
10
Noise and Acoustic Protection
11
Water Circuit for Connection with the Unit
11
Water Piping
11
Flow Switch
11
Table 2 - Minimum Glycol Percentage for Low Ambient Air Temperature
11
Safety
12
Preparing and Checking the Water Circuit Connection
12
Water Pressure
12
Hydraulic Diagram
12
Figure 8 - Hydraulic Diagram
12
Table 3 - Flow Switch Setpoint
12
Table 4 - Operating Limits
12
Water Treatment
13
Water Pressure Drops For Filters
13
Pump Kit Mounted on Board (Optional)
13
Figure 9 - Water Filter Pressure Drops
13
Figure 10 - External Pressure Head of Low Lift Pump
13
Figure 11 - External Pressure Head of High Lift Pump
13
Table 5 - Acceptable Water Quality Limits
13
Operation Limits
14
Figure 12 - Operating Limits on EWATCZ
14
Figure 13 - Operating Limits on EWYTCZ in Cooling Mode
14
Figure 14 - Operating Limits on EWYTCZ in Heating Mode
14
Table 6 - Pump Curve Associated with each Unit Size
14
Operating Stability and Minimum Water Content in the System
15
Calibrating the Expansion Vessel
15
Figure 15 - Minimum Water Volume Correction Factor
15
Figure 16 - Initial Expansion Vessel Pressure on the Basis of Maximum Water Volume
15
Table 7 - Minimum Water Content in the System
15
Antifreeze Protection for BPHE and Recovery Exchangers
16
5 Electrical Installation
16
General Specifications
16
Electric Connections
16
Cable Requirements
17
Interconnection Cables
17
Safety Device Requirements
17
Table 8 - Table 1 of EN602041 Point 5.2
17
Phase Unbalance
18
6 Operator's Reponsibilities
18
7 Maintenance
19
Pressure / Temperature Table
19
Routine Maintenance
19
Air Heat Exchanger Maintenance
19
Table 9 - R32 Pressure/Temperature
19
Electrical Installation
20
Service and Limited Warranty
20
Table 10 - Standard Routine Maintenance Plan
20
Table 11 - Routine Maintenance Plan for Critical Application And/Or Highly Aggressive Environment
21
Refrigerant Circuit Scheme
22
Figure 17 - Refrigerant Circuit (P&ID) Diagram for MONO Circuit EWYT~CZ Unit
22
Figure 18 - Refrigerant Circuit (P&ID) Diagram for MONO Circuit EWAT~CZ Unit
23
Figure 19 - Refrigerant Circuit (P&ID) Diagram for DUAL Circuit EWYT~CZ Unit
24
Figure 20 - Refrigerant Circuit (P&ID) Diagram for DUAL Circuit EWAT~CZ Unit
25
8 List of the Labels Applied to the Unit
26
9 Checks for the First Startup
26
Figure 21 - Labels on the Unit
26
Table 12 - Labels Applied to the Unit
26
Table 13 - Checks before Starting up the Unit
26
10 Important Information on the Refrigerant Used
27
11 Periodic Checks and Commissioning of Pressure Equipment
27
12 Dismission and Disposal
27
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Daikin EWAT CZ Series Operating Manual (35 pages)
Air to water heat pump units with scroll compressors
Brand:
Daikin
| Category:
Heat Pump
| Size: 1 MB
Table of Contents
Table of Contents
2
Safety Considerations
4
General
4
Before Switching the Unit
4
Avoid Electrocution
4
General Description
5
Basic Information
5
Abbreviations Used
5
Controller Operating Limits
5
Controller Architecture
5
Controller Maintenance
5
Embedded Web Interface (Optional)
6
Application Save and Reset
6
Working with this Unit
7
Unit Interface
7
Icons Description
8
Insert Password
9
Chiller On/Off
9
Keypad On/Off
9
Scheduler
10
Network On/Off
11
Unit On/Off Switch
11
Silent Mode
12
Water Setpoints
12
Unit Mode
13
Heat/Cool Set-Up
13
Cooling-Heating Mode by Digital Input
13
Cooling-Heating Mode by Software Parameter
14
Pumps and Variable Flow
14
Fixed Speed
14
Variable Primary Flow (VPF)
14
Deltat
14
Network Control
15
Thermostatic Control
16
Graph 1 - Compressors Start-Up Sequence - Cool Mode
16
External Alarm
17
Unit Capacity
17
Power Conservation
17
Demand Limit
18
Current Limit
18
Setpoint Reset
18
Graph 2 - Demand Limit[V] Vs Capacity Limit[%]
18
Setpoint Reset by OAT
19
Graph 3 - Outside Ambient Temperature Vs Active Setpoint - Cooling Mode(Left)/ Heating Mode(Right)
19
Setpoint Reset by 0-10V Signal
20
Setpoint Reset by DT
20
Graph 4 - External Signal 0-10V Vs Active Setpoint - Cooling Mode(Left)/ Heating Mode(Right)
20
Graph 5 - Evap ∆T Vs Active Setpoint - Cooling Mode(Left)/ Heating Mode(Right)
20
Controller IP Setup
21
Daikin on Site
21
Date/Time
22
Master/Slave
22
Unit Boost
23
Fan Boost
23
IO Ext Module
23
Costant Heating Capacity
23
Domestic Hot Water
24
Customer Unit Configuration
24
Connectivity Kit & BMS Connection
25
About Chiller
26
HMI Screen Saver
26
Generic Controller Operation
27
EKDAGBL - Restricted Application Definer
27
HMI Parameters Navigation Table
27
Alarms and Trouble Shooting
31
Alarms List: Overview
31
Troubleshooting
33
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