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General| Fuel Type | Natural Gas / LPG |
|---|---|
| Water Connection | 3/4" NPT |
| Temperature Range | 98°F - 140°F |
| Type | Tankless |
| Vent Type | PVC, CPVC |
| Vent Size | 2"/3" |
| Voltage | 120V |
| Warranty | 15 years heat exchanger, 5 years parts |
| Max. Output BTU | 199, 900 BTU/hr |
Explains symbols like DANGER, WARNING, CAUTION, and their meanings.
Lists essential safety measures for installation, operation, and maintenance.
Highlights dangers associated with flammable vapors near the water heater.
Provides immediate actions to take if a gas leak is detected.
Warns about risks from compromised venting, including CO poisoning.
Lists all items supplied directly with the water heater unit.
Lists additional accessories that can be purchased separately.
Additional safety issues to follow during installation.
Verifying unit's gas type, pressure, and electrical supply.
Caution against installing in humid locations to prevent malfunction.
Factors to consider for optimal unit placement and customer satisfaction.
Instructions for secure wall mounting of the water heater.
Best practices for water piping and connections.
Guidelines for pipe sizing, insulation, and filter cleaning.
Considerations for using the unit for space heating applications.
Emphasizes importance and safety of pressure relief valve installation.
Connecting drain lines and cleaning the siphon.
Warns about risks from improper venting and CO.
Specifies approved materials like PVC, CPVC, Polypropylene.
Best practices for vent system installation.
Explains the factory direct vent setup.
Guidance for non-direct vent installations.
Minimum air supply openings for non-direct vent.
Approved vent pipe materials for USA and Canada.
Important limitations on vent materials and temperature.
Specific Canadian regulations for vent piping.
Max lengths and elbow equivalents for 3" venting.
Max lengths and elbow equivalents for 2" venting.
Diagrams of typical indoor vent setups.
Diagram illustrating 3" side wall venting.
Diagram of non-concentric side wall venting.
Diagram of vertical vent termination.
Diagram for concentric sidewall installation.
Diagram for concentric roof installation.
Warning about air contamination impacting the unit.
Guidelines for outdoor venting installations.
Required clearances for outdoor installations.
Additional safety warnings for vent terminal placement.
Follows local electrical codes and NEC/CGA standards.
Factory plug, direct wiring, grounding, surge protector use.
Identifies the remote controller model.
Factors for choosing a remote controller installation site.
Explains PCB DIP switches for temperature adjustment.
Warning about high water temperatures and scalding risk.
Plumbing guidelines for connecting multiple units.
Diagram and notes for NR-A/NP-A recirculation setup.
Diagram and notes for NR/NP recirculation setup.
Diagram for mixed NR/NP and NR-A/NP-A cascade.
Diagram for CH + NR-A/NP-A cascade with space heating.
Diagrams for DHW storage tank integration.
Explanation of DIP switch usage for mode selection.
Guide on determining vent sizes using tables.
Steps to size a common vent based on appliance load.
Details on connecting cables and setting DIP switches.
Procedure for setting up the master unit.
Procedure for setting up slave units.
How to change the master unit.
Adding or removing slave units from the system.
Setting up additional slave units.
How errors are displayed in a cascade system.
Settings for the 6-switch DIP set.
Explains burner operation modes, marked as not used.
DIP switch settings for model selection.
Settings for the 8-switch DIP set.
DIP switch settings for pump and recirculation modes.
DIP switch settings for temperature selection.
DIP switch settings for DHW Storage/Solar Mode.
Factory default DIP switch configurations for various models.
Checklist to verify installation completion and correctness.
Checklist items for location and mounting.
Checklist items for water supply connections.
Checklist items for pressure relief valve installation.
Checklist items for gas supply installation.
Checklist items for proper venting.
Checklist items for electrical wiring.
Checklist for correct DIP switch configuration.
Final homeowner advisories and checks.
Hazards of high water temperatures and scalding risk.
General warranty terms and conditions.
Warranty periods for heat exchangers and parts.
Defines the start date of warranty coverage.
Specific warranty terms for heat exchangers.
Warranty terms for all other parts.
Restriction on using NR-(A) series for space heating.
Details on labor allowance for warranty service.
Conditions for warranty transferability.
Conditions not covered by the warranty.
Explains model designations (NR, NP, A).
Identifies parts of NR-A/NP-A models.
Identifies parts of NR/NP models.
Explains functions displayed on the LCD screen.
Explains the meaning of LED indicators.
Details specific indicators like energy saving, hot water use.
Steps to power the remote controller on and off.
Warning about high water temperatures and scalding.
Using the remote controller to adjust temp via hot water tap.
How to turn the remote controller on.
Instructions for setting temperature using Up/Down keys.
Adjusting temps between 125-140°F.
Adjusting temps above 140°F for specific models.
How to turn hot water ON and indicators.
How to turn hot water OFF and indicators.
Ensure remote controller time is set correctly.
Steps to activate circulation timer setting.
Adjusting circulation periods on the 24hr clock.
Setting the start time and periods for circulation.
How to deactivate specific circulation periods.
Explains built-in circulation modes for "A" series.
Details the two operational modes for "A" series.
