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General| Model Number | 37AHA07514KA5 |
|---|---|
| Fuel Type | Natural Gas |
| Maximum Flow Rate | 7.5 GPM |
| Flow Rate | 7.5 GPM |
| Venting Type | Direct Vent |
| Water Connection | 3/4" NPT |
| Venting | Yes |
| Electrical Requirements | 120V, 60Hz |
Defines safety alert symbols and signal words like DANGER, WARNING, CAUTION, and NOTICE.
Lists precautions for installation and operation, including PPE and fire safety.
Emphasizes installer's responsibility to follow national, local codes and standards.
Instructions for verifying unit model/serial number and checking for shipping damage.
Covers unit approval for orientations, indoor installation, and protection from water.
General guidelines for positioning and securing the unit.
Covers local codes, water line connections, and piping material requirements.
Step-by-step procedure to purge air from the system without a purge cart.
Requirements for U.S. and Canadian electrical installations and codes.
Steps for making field wire connections to the control box.
Configuration options using dip switches for system operation.
Safety and placement guidelines for thermostat installation.
Pre-start checks and steps for initiating heating operation.
Instructions for cooling system hook-up and start-up.
Steps to diagnose and resolve issues with blower or pump motors.
Flowchart for troubleshooting start-up issues using LED indicators.
Flowchart for troubleshooting 115V blower system issues.
Flowchart for troubleshooting 115V circulating pump issues.
Flowchart for troubleshooting 24V system issues between thermostat and PCB.
Flowchart for selecting the correct air handler and tankless water heater.
Step-by-step example for selecting the unit based on load calculations.
Using Manual J for calculating HVAC requirements at design conditions.
Comprehensive specifications for unit models, including electrical and performance data.
Provides airflow (CFM) data for various operating modes and ESP.
Heating capacity data (MBH) for V-Series EHS with AH45 and AH60 units.
Heating capacity data (MBH) for V-Series EHS with AH75 and AH90 units.
Heating capacity data (MBH) for LS-Series EHS with various unit sizes.
Outlines what is covered, period of coverage for parts and labor.
Instructions on contacting Rinnai or qualified contractors for service.
Lists conditions and causes not covered by the warranty.
