Pentair FLECK 2750 NXT2 Manuals

Manuals and User Guides for Pentair FLECK 2750 NXT2. We have 2 Pentair FLECK 2750 NXT2 manuals available for free PDF download: Installer Manual, User Manual

Pentair FLECK 2750 NXT2 Installer Manual (170 pages)

Brand: Pentair | Category: Control Unit | Size: 5.4 MB

Table of Contents
2
Generalities
6
Scope of the Documentation
6
Release Management
6
Manufacturer Identifier, Product
6
Intended Use
7
Abbreviations Used
7
Norms
7
Applicable Norms
7
Available Certificates
8
Procedure for Technical Support
8
Copyright and Trademarks
8
Limitation of Liability
9
Scan & Service Application
10
Safety
11
Safety Pictograms Definition
11
Serial Label Location
12
Hazards
12
Personnel
12
Material
13
Hygiene and Sanitization
13
Sanitary Issues
13
Hygiene Measures
13
Description
14
Technical Specifications
14
Performance Flow Rate Characteristics
16
Outline Drawing
17
Components Description and Location
18
With NXT Controller and AC Motor
18
With NXT Controller and DC Motor
20
With NXT2 Controller and DC Motor
23
System Regeneration Cycle
25
Downflow Regeneration Cycle (5-Cycles Operation)
25
Filter Cycle (3-Cycles Operation)
27
Configurations for Softener, no by Pass and Filter
29
Downflow Softener
29
No by Pass Configuration
29
Filter
30
System Sizing
31
Recommended Injector/Dlfc/Blfc-Valve Configuration
31
Sizing a Softener (Single Unit)
31
Parameters to be Considered
31
Determining the Required Volume of Resin
32
Resin Exchange Capacity and Capacity of the Unit
33
Valve Configuration
34
Cycle Time Calculation
35
Salt Amount Definition
37
Injector Flow Rates
37
1600 Injectors
38
1650 Injectors
39
1700/1710 Injectors
40
Installation
41
Warnings
41
Safety Notices for Installation
41
Installation Environement
41
General
41
Water
42
Electrical
42
Mechanical
43
Integration Constraints
43
Valve Connection to Piping
44
Top-Mounted Valve Installation
44
Block Diagram and Configuration Example
46
Regeneration Flows
47
Single Valve (System 4)
48
Multiple Valves, Parallel Interlock System (System 5)
48
Multiple Valves, Parallel Series Regeneration System (System 6)
48
Duplex Alternating Immediate System (System 7)
49
Duplex Alternating Delayed System (System 8) (NXT2 Only)
50
Multiple Valves, Parallel System with Standby Unit (System 9)
50
Multiple Valves, System On-Demand (System 14)
51
Electrical Connections
55
NXT Controller Connections
56
NXT2 Controller Connections
57
NXT Controller Connections for Multiple Valves
58
NXT2 Controller Connections for Multiple Valves
59
Bypassing
60
Drain Line Connection
60
Overflow Line Connection
61
Brine Line Connection
62
Programming
63
NXT Controller
63
Display
63
Commands
64
Setting the Time of the Day
64
Basic Programming Mode
64
Master Programming Mode
66
Diagnostic
81
Resetting the Controller
84
NXT2 Controller
85
Display
85
Commands
87
Time of Day Menu
88
Basic Programming Mode
89
Master Programming Mode
91
Diagnostic
117
Resetting the Controller
122
Commissioning
124
Water Filling, Draining and Waterproofness Inspection
124
Activating a Single Valve System (System 4)
124
Activating a Multiple Valves System (Systems 5, 6, 7, 8, 9 and 14)
125
Sanitization
125
Disinfection of Water Softeners
125
Sodium or Calcium Hypochlorite
126
Electro Chlorination
126
Operation
127
Display
127
NXT Controller
127
NXT2 Controller
127
LED Status
129
Recommendations
129
Manual Regeneration
129
Manual Delayed Regeneration
129
Immediate Regeneration
130
To Advance Regeneration Cycles
130
To Stop a Regeneration (NXT2 Only)
130
Operation During a Power Failure
130
Maintenance
131
General System Inspection
131
Water Quality
131
Mechanical Checks
131
Regeneration Test
132
Recommended Maintenance Plan
133
Valve Used for Softening
133
Valve Used for Filtration
135
Recommendations
136
Use Original Spare Parts
136
Use Original Approved Lubricants
136
Maintenance Instructions
136
Cleaning and Maintenance
136
First Steps
136
Power Head And/Or Motor Replacement
137
NXT to NXT2 Controller Upgrade
140
NXT2 Controller Replacement
142
Piston And/Or Seal and Spacer Kit Replacement
143
Micro-Switches Replacement
145
Cams Replacement
147
Injector Cleaning
148
BLFC Cleaning
149
DLFC Cleaning
150
Valve on Tank Assembly
151
Troubleshooting
152
Error Detection
152
Programming Error
154
Examples of Error Displayed
155
NXT Controller
155
NXT2 Controller
155
Spare Parts and Options
157
Valve Parts List
157
Power Head Parts List
158
Injector Parts List
160
Brine Valve Parts List
161
Safety Brine Valves List
163
Safety Brine Valves 2310 Parts List
163
Distribution Systems Parts List
164
Air Checks List
165
Meters Parts List
165
Meter Cables & Meter Kits List
166
CE Compliance Parts List
166
Other Components List
166
Disposal
168

Pentair FLECK 2750 NXT2 User Manual (37 pages)

Brand: Pentair | Category: Controller | Size: 1.28 MB

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