User Manuals: Pentair Fleck 2850-NXT2 Water Softener

Manuals and User Guides for Pentair Fleck 2850-NXT2 Water Softener. We have 2 Pentair Fleck 2850-NXT2 Water Softener manuals available for free PDF download: Installer Manual, User Manual

Pentair Fleck 2850-NXT2 Installer Manual (174 pages)

Brand: Pentair | Category: Control Unit | Size: 5 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
Pentair Scan Application
10
Safety
11
Safety Pictograms Definition
11
Serial Label Location
12
Hazards
12
Personnel
12
Material
12
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
21
With NXT2 Controller and DC Motor
24
System Regeneration Cycle
26
Downflow Regeneration Cycle (5-Cycles Operation)
26
Filter Cycle (3-Cycles Operation)
28
Configurations for Softener, no by Pass and Filter
30
Downflow Softener
30
No by Pass Configuration
30
Filter
31
System Sizing
32
Recommended Injector/Dlfc/Blfc-Valve Configuration
32
Sizing a Softener (Single Unit)
32
Parameters to be Considered
32
Determining the Required Volume of Resin
33
Resin Exchange Capacity and Capacity of the Unit
34
Valve Configuration
35
Cycle Time Calculation
36
Salt Amount Definition
39
Injector Flow Rates
39
1600 Injectors
39
1650 Injectors
40
1700/1710 Injectors
41
Installation
43
Warnings
43
Safety Notices for Installation
43
Installation Environement
43
General
43
Water
44
Electrical
44
Mechanical
45
Integration Constraints
45
Block Diagram and Configuration Example
47
Valve on Tank Assembly
48
Valve Connection to Piping
49
Top-Mounted Valve Installation
49
Side-Mounted Valve Installation
52
Regeneration Flows
53
Single Valve (System 4)
54
Multiple Valves, Parallel Interlock System (System 5)
54
Multiple Valves, Parallel Series Regeneration System (System 6)
54
Duplex Alternating Immediate System (System 7)
55
Duplex Alternating Delayed System (System 8) (NXT2 Only)
56
Multiple Valves, Parallel System with Standby Unit (System 9)
56
Multiple Valves, System On-Demand (System 14)
57
Electrical Connections
61
NXT Controller Connections
62
NXT2 Controller Connections
63
NXT Controller Connections for Multiple Valves
64
NXT2 Controller Connections for Multiple Valves
65
Bypassing
66
Drain Line Connection
66
Overflow Line Connection
67
Brine Line Connection
68
Programming
69
NXT Controller
69
Display
69
Commands
70
Setting the Time of the Day
70
Basic Programming Mode
70
Master Programming Mode
72
Diagnostic
87
Resetting the Controller
90
NXT2 Controller
91
Display
91
Commands
93
Time of Day Menu
94
Basic Programming Mode
95
Master Programming Mode
97
Diagnostic
123
Resetting the Controller
128
Commissioning
130
Water Filling, Draining and Waterproofness Inspection
130
Activating a Single Valve System (System 4)
130
Activating a Multiple Valves System (Systems 5, 6, 7, 8, 9 and 14)
131
Sanitization
131
Disinfection of Water Softeners
131
Sodium or Calcium Hypochlorite
132
Electro Chlorination (if Present)
132
Operation
133
Display
133
NXT Controller
133
NXT2 Controller
133
LED Status
135
Recommendations
135
Manual Regeneration
135
Manual Delayed Regeneration
135
Immediate Regeneration
136
To Advance Regeneration Cycles
136
To Stop a Regeneration (NXT2 Only)
136
Operation During a Power Failure
136
Maintenance
137
General System Inspection
137
Water Quality
137
Mechanical Checks
137
Regeneration Test
138
Recommended Maintenance Plan
139
Valve Used for Softening
139
Valve Used for Filtration
141
Recommendations
142
Use Original Spare Parts
142
Use Original Approved Lubricants
142
Maintenance Instructions
142
Cleaning and Maintenance
142
First Steps
142
Power Head And/Or Motor Replacement
143
NXT to NXT2 Controller Upgrade
146
NXT2 Controller Replacement
148
Piston And/Or Seal and Spacer Kit Replacement
149
Micro-Switches Replacement
151
Cams Replacement
152
Injector Cleaning
153
BLFC Cleaning
154
DLFC Cleaning
155
Troubleshooting
156
Error Detection
156
Programming Error
158
Examples of Error Displayed
159
NXT Controller
159
NXT2 Controller
159
Spare Parts and Options
161
Valve Parts List
161
Power Head Parts List
163
Injector Parts List
164
1700/1710 Injector Parts List
165
Brine Valve Parts List
165
Safety Brine Valves List
167
Safety Brine Valves 2310 Parts List
168
Distribution Systems Parts List
169
Air Checks List
169
Meters Parts List
170
Meter Cables & Meter Kits List
170
Additional Parts List
171
Other Components List
171
Disposal
172

Pentair Fleck 2850-NXT2 User Manual (37 pages)

Brand: Pentair | Category: Water Dispenser | Size: 1 MB

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