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NR71-SV
Noritz NR71-SV Manuals
Manuals and User Guides for Noritz NR71-SV. We have
7
Noritz NR71-SV manuals available for free PDF download: Service Manual, Installation Manual, Owner's Manual, Instructional Manual
Noritz NR71-SV Service Manual (96 pages)
Brand:
Noritz
| Category:
Water Heater
| Size: 9.6 MB
Table of Contents
Table of Contents
1
Important Safety Information
2
Post-Service Checks
2
Safety Tips for Service
2
1 Features
3
Overview of Condensing Tankless Gas Water Heater
4
2 Specifications/Performance Tables
5
Performance
7
Hot Water Supply Capabillities
7
Pressure Loss Characteristics
9
3 Dimensions
10
4 Components
19
5 Operating Principle
34
Normal Operation
35
Error Codes
35
Miscellaneous
35
6 Operation Flow Chart
44
7 Wiring Diagram
49
8 Troubleshooting
54
Error Codes and Checkpoints
54
Circuit Board Checkpoints
57
Circuit Board Checkpoints
61
Error Descriptions and How to Reset
62
Remote Controller (Optional for NR50-OD/NR66/N-0531S Series, NR71/N-0631S Series)
71
Maintenance Monitor List (Using Optional Remote Controller)
72
Displaying Maintenance Monitor
72
Maintenance Monitor List
73
Circuit Board Replacement
75
Data Transferring Procedure
75
Data Transfer Troubleshooting
75
Initial Circuit Board Settings
75
Changing the Fan Motor
79
Life Cycle Warning Steps
80
Neutralizer Life Cycle Warning and Replacement Procedures (Condensing Models Only)
80
Resetting the Unit
81
Resetting at the Circuit Board
81
Gas Line Requirements
82
Measuring Gas Pressure
82
Manifold Gas Pressure Adjustment
83
Manifold Gas Pressure Maximum and Minimum Values
83
Periodic Inspection
88
Periodic Maintenance
88
Water Drain Valve (with Water Filter)
89
Periodic Maintenance
89
Changing Default Temperature Setting
90
Draining the Water for Maintenance or for Freeze Prevention
93
Manual Draining
93
9 Installation Check
94
Air Supply/Exhaust
94
Installation Environment
94
Gas Supply Piping
94
Filling the Neutralizer Unit before Vent Pipe Installation
95
Condensate Piping (All MC Models Only)
95
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Noritz NR71-SV Installation Manual (64 pages)
Tankless Gas Water Heater
Brand:
Noritz
| Category:
Water Heater
| Size: 1.85 MB
Table of Contents
Installation Manual
1
Included Accessories
2
Optional Accessories
2
Before Installation
3
Choosing Installation Site
4
Installation Clearances
6
Securing to the Wall
11
Vent Pipe Installation
12
Gas Piping
15
Water Treatment
19
Plumbing Applications
20
Electrical Wiring
21
Remote Controller
22
Connecting Remote Controller Cord to Unit
23
Lighting Instructions
25
Shutdown Instructions
25
Installing the Remote Controller Outdoor Junction Box
30
Noritz NR71-SV Installation Manual (32 pages)
TANKLESS GAS WATER HEATER
Brand:
Noritz
| Category:
Water Heater
| Size: 3.24 MB
Table of Contents
Installation Manual
1
Included Accessories
2
Optional Accessories
2
Before Installation
3
Choosing Installation Site
4
Installation Clearances
6
Installation
11
Securing to the Wall
11
Vent Pipe Installation
12
Combustion Air
14
Gas Piping
15
Gas Pressure
15
Gas Connection
15
Measuring Gas Pressure
15
Water Piping
17
Water Treatment System
19
Plumbing Applications
20
Recirculation System
20
Electrical Wiring
21
Remote Controller
22
Connecting Remote Controller Cord to Unit
23
Maintenance
24
Trial Operation
24
Lighting Instructions
25
Shutdown Instructions
25
For Installers
29
Included Parts List
29
Installing the Remote Controller Outdoor Junction Box
31
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Noritz NR71-SV Owner's Manual (32 pages)
TANKLESS GAS WATER HEATER
Brand:
Noritz
| Category:
Water Heater
| Size: 4.77 MB
Table of Contents
Important Safety Information
2
Table of Contents
7
Contents
7
General Parts
8
Main Unit
8
Remote Controller
9
Initial Operation
10
How to Use (Not Using the Remote Controller)
11
Setting and Using the Water Heater
11
How to Use (Using the Remote Controller)
12
Setting and Using the Water Heater
12
Flow Meter Alarm
14
Muting the Remote Controller
16
Adjusting The Maximum Output Temperature
17
Preventing Damage From Freezing
18
Turning the Unit Back on
19
Regular Maintenance
20
Periodic Maintenance
21
Isolation Valves
21
Water Drain Valve (with Water Filter)
21
Troubleshooting
22
Amount of Hot Water
23
Remote Controller
24
Water Quality
25
Follow-Up Service
27
Gas Conversion
28
Specifications
29
Noritz NR71-SV Owner's Manual (32 pages)
TANKLESS GAS WATER HEATER
Brand:
Noritz
| Category:
Water Heater
| Size: 0.89 MB
Table of Contents
Important Safety Information
2
Table of Contents
7
Contents
7
General Parts
8
Main Unit
8
Remote Controller
9
Initial Operation
10
How to Use (Not Using the Remote Controller)
11
Setting and Using the Water Heater
11
How to Use (Using the Remote Controller)
12
Setting and Using the Water Heater
12
Flow Meter Alarm
14
Muting the Remote Controller
16
Adjusting the Maximum Output Temperature
17
Preventing Damage from Freezing
18
Turning the Unit Back on
19
Regular Maintenance
20
Water Drain Valve (with Water Filter)
21
Periodic Maintenance
21
Isolation Valves
21
Troubleshooting
22
Amount of Hot Water
23
Remote Controller
24
Water Quality
25
Follow-Up Service
27
Gas Conversion
28
Specifications
29
Noritz NR71-SV Installation Manual (32 pages)
Brand:
Noritz
| Category:
Water Heater
| Size: 3.17 MB
Table of Contents
Included Accessories
2
Optional Accessories
2
Before Installation
3
Choosing Installation Site
4
Installation Clearances
6
Installation
11
Securing to the Wall
11
Vent Pipe Installation
12
Combustion Air
14
Gas Piping
15
Water Piping
17
Water Treatment System
19
Plumbing Applications
20
Recirculation System
20
Electrical Wiring
21
Remote Controller
22
Maintenance
24
Trial Operation
24
Lighting Instructions
25
Shutdown Instructions
25
For Installers
29
Included Parts List
29
Noritz NR71-SV Instructional Manual (8 pages)
Heat Exchanger Replacement
Brand:
Noritz
| Category:
Water Heater
| Size: 0.93 MB
Table of Contents
Heat Exchanger Replacement Procedure
2
1. Remove Front Cover
2
2. Remove Circuit Board
2
3. Unplug All Wires
2
4. Remove Manifold Plate
2
5. Remove Fan
3
6. Disconnect Water Pipes
3
7. Remove Heat Exchanger from Case
3
8. Separate Burner from Heat Exchanger
3
9. Remove Heat Exchanger Components
4
10. Place New O-Rings
5
11. Replace Burner Gasket
5
12. Reattach Burner and Heat Exchanger Assembly
5
13. Replace Assembly Back Inside Case
5
14. Reconnect Water Connections
5
15. Replace Fan
6
16. Replace Manifold Plate
6
17. Reconnect All Wires
6
18. Check for Water Leaks
7
19. Replace Circuit Board
7
20. Replace Case Top Covers
7
21. Replace Front Cover
7
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