Daikin EWLT125Q Manuals

Manuals and User Guides for Daikin EWLT125Q. We have 1 Daikin EWLT125Q manual available for free PDF download: Installation, Operation And Maintenance Manual

Daikin EWLT125Q Installation, Operation And Maintenance Manual (72 pages)

Water Cooled Chiller & heat pump with Scroll Compressors

Brand: Daikin | Category: Chiller | Size: 6 MB

Table of Contents
2
Fig. 1 - Typical Refrigerant Circuit for Cooling Only Version (EWWT-Q)
5
Fig. 2 Typical Circuit for Moto-Evaporating Version (EWLT-Q)
6
Fig. 3 Typical Refrigerant Circuit for Heat Pump Version
7
Fig. 4 Typical Hydronic Manifold and Pump Module Circuit
8
Fig. 5 Connection of more Unit-Manifold Systems Together and with Pump Module
11
Introduction
13
Precautions against Residual Risks
13
General Description
14
Information about the Refrigerant Used
14
Installation Requirements
14
1.1. Information about Installation of Systems with R32
15
Receiving the Unit
17
Operating Limits
18
Storage
18
Fig. 6 - EW(W/H)T-Q Operating Limits
18
Fig. 7 - EWLT-Q Operating Limits
18
Table 1 -Minimum Percentage of Glycol for the Low Water Temperature
19
Mechanical Installation
20
Safety
20
Handling and Lifting
20
Fig. 8 - Handling of the Single Circuit Unit
21
Fig. 9 - Alternative Handling Method with Forklift
21
Positioning and Assembly
22
Noise and Sound Protection
22
Water Circuit for the Connection of the Unit
22
Water Piping
22
Fig. 10 - Alternative Handling Method with Pallet Truck
22
Water Piping Installation Procedure
23
Fig. 11 - Reference Drawing for Evaporator and Condenser Identification
24
Fig. 12 - Evaporator and Condenser Flow Switch Positions
26
Fig. 13 - Cables Routing of Evaporator Flow Switch
26
Fig. 14 - Cables Routing of Evaporator Flow Switch
27
Fig. 15 - Electrical Panel Entry Point for Evaporator and Condenser Flow Switch Cables
27
Fig. 16 - Water Temperature Probe
27
Piping Insulation
28
Water Treatment
28
Table 2 - DAE Water Quality Requirements
28
Operating Stability and Minimum Water Content in the System
29
Anti-Freeze Protection for Evaporator and Recovery Exchangers
29
Table 3 - Minimum Water Flow
29
Guidelines for Remote Condenser Application (Ewlt-Q Version)
30
Selection of Piping Material
30
Installation Information for Condenserless Units
30
Connecting the Refrigerant Circuit
30
Fig. 17 - Connecting the Refrigerant Circuit (1)
31
Fig. 18 - Connecting the Refrigerant Circuit (4)
31
To Braze the Pipe End
32
Leak Test and Vacuum Drying
32
Charging the Unit
32
Fig. 19 - Pipe Brazing
32
Fine-Tuning of Refrigerant Charge While Unit Is Operating
33
Oil Charge
33
Electrical Installation
34
To Install the Main Switch Handle and Shaft
34
Fig. 20 - Handle Assembly Instructions
34
Fig. 21 - Details of the Pistol Handle
34
General Specifications
35
About Electrical Compliance (Only for EWWT100)
36
Electrical Supply
36
Electric Connections
36
Cable Requirements
37
Phase Unbalance
37
Connection of the Power Supply of the Unit
37
Table 4 - Table 1 of EN60204-1 Point 5.2
37
Electrical Panel Label Description
38
Fig. 22 - Identification of the Labels Applied to the Electric Panel (Standard*)
38
Additional Guidelines for Modular Applications
39
Water Manifold Module Installation
39
Connection between Manifold Module and Chiller Unit
39
Table 5 - Modular Combinations
39
Partial Heat Recovery with Manifold Module
40
Fig. 23 - Connection Instructions between Chiller and Manifold Modules
40
Fig. 24 - PHR Pipes with Manifold Module (at Left for 3Inch - at Right for 5Inch Manifold Pipes)
40
Reference Drawing in Case of Custom Water Piping
41
Connection of Modular System
41
Mechanical Connection
41
Fig. 25 - Water Piping Configuration
41
Fig. 26 - Modular Systems Connection
41
Water Manifold Connection
42
Motor for Plate Heat Exchanger Shut-Off Valve
42
Fig. 27 - Water Manifold Sizes
42
Fig. 28 - Water Connection to Modules
42
Motor Mechanical Installation
43
Fig. 29 - Mounting Instructions for Valve Actuator
43
Fig. 30 - Mounting Instructions for Actuator Limit Switches
43
Valve Actuator and Limit Switch Electrical Installation
44
Fig. 31 - Mounting Indications for Valve Actuator
44
Fig. 32 - Wiring Diagram for Motor (Left Figure) and Limit Switches (Right Figure)
44
Fig. 33 - Cable Adapters for Evaporator Shut off Valve Actuator and Limit Switches
45
Fig. 34 - Cable Adapters for Condenser Shut off Valve Actuator and Limit Switches
45
Fig. 35 - Shut off Valve Actuator Wiring Diagram
45
Fig. 36 - Evaporator Shut off Valve Actuator Cable Routing
46
Fig. 37 - Condenser Shut off Valve Actuator Cable Routing
46
Setting of Limit Switches Trigger
47
Fig. 38 - Electrical Panel Entry for Evaporator and Condenser Shut off Valve Actuator Cables
47
Connection of Stacked Units
48
Connection of more Unit-Manifold Systems Together
48
Fig. 39 - Setting of Limit Switches Trigger
48
Fig. 40 - Mounting Instructions for Stacked Units
48
Pump Module Installation
49
Fig. 41 - Mounting Instructions for more Unit-Manifold Systems Together
49
Fig. 42 - Pump Module Installation
49
Fig. 43 - Pump Module Installation - Piping Details
49
Handling of the Modules
50
Fig. 44 - Handling of Manifold Module
50
Fig. 45 - Handling of Unit and Manifold Modules
50
Fig. 46 - Indications for Stacked Units Installation
51
Fig. 47 - Handling of Pump Module Using Forklift
51
Electrical Installation of Modules
52
Fig. 48 - Handling of Pump Module Using for Pallet Truck
52
Fig. 49 - Power Bar System
52
Fig. 50 - Cables Routing between Bar System and Unit
52
Power Bar System Mechanical Installation
53
Fig. 51 - Details of Cables Routing
53
Fig. 52 - Fixing of the Power Bar System to the Unit
53
Power Bar System Electrical Connection
54
Fig. 53 - Connection of the Power Bar Modules Together
54
Fig. 54 - Details of Connection of the Power Bar Modules Together
54
Fig. 55 - Detail of the Fuses and of the Box for Cables Routing of the Power Bar Module
55
Fig. 56 - Detail of Electrical Connection for the Initial Unit Module
55
Fig. 57 - Detail of Electrical Connection for any Other Unit Module
56
Fuses Replacement for Power Bar System
57
Fig. 58 - NH Fuse Switch Disconnector
57
M/S (MUSE) Probes Installation
58
Fig. 59 - Positions of the Temperature Probes for 3" and 5" Manifold
59
Unit Modules M/S (MUSE) Connection
60
Before Starting
60
Fig. 60 - Details of Probes Positioning on the Pipes
60
Fig. 61 - Connection of 4 Plcs on the same Modbus Network
60
Fig. 62 - Evaporator Pressure Drops
61
Fig. 63 -Condenser Pressure Drops
61
Operator's Reponsibilities
62
Maintenance
63
Pressure / Temperature Table
64
Routine Maintenance
64
Electrical Maintenance
64
Service and Limited Warranty
64
Table 6 - Pressure / Temperature of the R32
64
Table 7 - Standard Routine Maintenance Plan
65
10 Before Start-Up
66
Fig. 64 - Wiring for Connecting the Unit at the Place of Installation
67
11 Discharge of the Refrigerant from the Safety Valves
68
Periodic Obligatory Checks and Starting up Ofthe Groups (Units)
69
13 Important Information on the Refrigerant Used
70
Factory and Field Charged Units Instructions
70
14 Periodic Checks and Commissioning of Pressure Equipment
71
15 Dismission and Disposal
71
16 Duration
71

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