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Manuals and User Guides for Laird Nextreme Series. We have
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Laird Nextreme Series manual available for free PDF download: Manual
Laird Nextreme Series Manual (73 pages)
Recirculating Chiller
Brand:
Laird
| Category:
Chiller
| Size: 11.12 MB
Table of Contents
Table of Contents
3
Revision History
6
Introduction
7
Safety Precautions
8
Guidelines for Safe Operation
8
Prevent Hazards
8
Personal Protective Gear
8
Guidelines Regarding Electrical Equipment
9
Inadmissible Operating Conditions
9
Specialized Knowledge
9
Safety and Signaling Equipment Included in the Unit
10
Guards
11
In Case of Accidents
11
Figure 1 Guards
11
Model Number Description
13
Specifications
14
Component Locations
17
Figure 2 Isometric Views of Unit
17
Figure 3 Top View
17
Figure 4 Front View Figure 5 Rear View
18
Figure 6 Side View
18
Labels and Markings
19
Figure 7 Marking on Unit
19
Figure 8 Labels on Unit
19
Optional System Features
20
Coolant Filter Kit
20
Figure 9 Coolant Filter Kit Part List
20
Figure 10 Bypass Mode of Filter/Coolant Filter Kit Assembled on Unit
20
Flow Control Kit
21
Figure 11 Flow Control Kit Part List
21
Figure 12 Assembly Instructions for Flow Control Kit
22
Figure 13 Flow Control Kit Assembled Onto Unit
22
Flow Control Kit with Filter
23
Figure 14 Flow Control Kit with Coolant Filter Parts List
23
Figure 15 Assembly Instructions for Flow Control Kit with Coolant Filter
24
Figure 16 Flow Control Kit with Coolant Filter Assembled on Unit
24
Transport, Packaging and Storage
25
Safety
25
Checking the Delivery Condition
25
Symbols on the Packaging
25
Packaging
26
Unpacking
26
Handling the Unit While in the Packaging
28
Transportation on Casters
29
Storing the Unit
29
Preparing the Unit for Further Transport
29
Installation Requirements
31
Figure 17 Minimum Clearance Required for Unit Installation
31
Installation Procedure
32
Connect Hoses
32
Figure 18 Connecting Hoses
32
Disconnect Hoses
33
Figure 19 Disconnecting Hoses
33
Connecting Power
34
Adding Coolant and Priming Unit
34
Figure 20 Connecting Power
34
Chiller Operation
36
Figure 21 Refrigerant Circuit and Coolant Circuit
37
Figure 22 Coolant Circuit and Control Panel
37
Wiring Diagram
38
Figure 23 Power Wiring Diagram High Voltage NRC2400 and NRC1200(230V)
38
Figure 24 Power Wiring Diagram High Voltage NRC5000
38
Figure 25 Sensor Wiring Low Voltage
39
Plumbing & Refrigeration Diagram
40
Figure 26 Plumbing and Refrigeration Diagram
40
Performance Graphs
41
Thermal Performance
41
Figure 27 Thermal Performance of NRC1200 with Cooling Fluids: Water & 40% EG/W
41
Figure 28 Thermal Performance of NRC2400 with Cooling Fluids: Water & 40% EG/W
41
Pump Performance
42
Figure 29 Pump Performance of NRC1200 with Cooling Fluids: Water & 40% EG/W
42
Figure 30 Pump Performance of NRC2400 with Cooling Fluids: Water & 40% EG/W
42
Figure 31 Pump Performance of NRC5000 with Cooling Fluids: Water and 40% EG/W
43
Chiller Dimensions
44
Figure 32 NRC1200 Chiller Overall Dimensions
44
Figure 33 NRC2400 Chiller Overall Dimensions
44
Figure 34 NRC 5000 Chiller Overall Dimensions
45
Controller Display Panel Functions
46
Startup Screen
46
Main Screen
46
Figure 35 Start-Up Screen
46
Figure 36 Main Menu
46
Running the Pump
47
Choosing the Coolant Setpoint
47
Running the System
47
Figure 37 Running Pump
47
Figure 38 Running the Machine
47
Sleep Screen
48
Information Screen
48
Figure 39 Sleep Screen
48
Figure 40 Information Screen
48
Alarms Display Screen
49
Acknowledging Alarms
49
Figure 41 Alarm Screen with no Active Alarms
49
Figure 42 Home Screen with an Active Alarm
49
Figure 43 Acknowledging Alarms
49
Settings Screen
50
Setting Units
50
Choosing the Coolant
50
Figure 44 Setting Menu
50
Customer Configurable Alarms
51
Figure 45 Choosing the Coolant
51
Figure 46 Setpoint Alarms
51
Figure 47 Coolant Supply Pressure
51
Flow Settings
52
Figure 48 Low Temperature Delta
52
Figure 49 High Temperature Delta
52
Figure 50 Flow Settings
52
Troubleshooting
54
Alarms
55
Communications Interface
59
Instructions for Setup
59
Commands and Responses
59
Command Entry Format
59
Source ID
59
Command Structure Examples
59
System Maintenance and Service
61
Safety
61
Maintenance Schedule
62
Preparing the Unit for Maintenance
63
Verification of Safe State after Maintenance
63
Draining Procedure
64
Figure 51 Draining the Coolant
64
Coolant Maintenance
65
Replace Filter
65
Cleaning the Heat Exchanger
65
Spare Parts
66
Declaration of Conformity
69
Decommissioning and Disposal
70
Temporarily Placing out of Operation
70
Returning the Unit to Service after Decommissioning
70
Final Decommissioning or Disposal
70
Disposal of Operating Materials
70
Disposal of Refrigerant
71
Return of the Unit to Laird
71
Return Procedure
72
List of Figures
73
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