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General| Model | KC Series |
|---|---|
| Turn Down Ratio | Up to 20:1 |
| Fuel Type | Natural Gas or Propane |
| Type | Condensing |
| Efficiency | Up to 96% |
| Footprint | Compact |
| Flow Rate | Varies by model |
| Power Supply | 120V, 60Hz |
General safety warnings and cautions that must be observed.
Procedure for shutting down the unit in case of emergency.
Recommendations for units that have been shut down for extended periods.
Specific installation requirements for Massachusetts, including codes and licensing.
Procedures for inspecting and unpacking the unit upon receipt.
General installation guidelines, including clearances, setting, and piping.
Guidelines for designing and installing the gas supply piping.
Requirements for electrical connections and field control wiring.
Guidelines for flue gas venting and providing combustion air.
Description of controls, indicators, and displays on the control panel.
Overview of the menu structure for unit setup and configuration.
Procedures for navigating and processing menu options.
Details of operating, setup, and configuration menu parameters.
Step-by-step start sequence and start/stop level settings.
Essential requirements and tools needed for initial start-up.
Procedures for calibrating combustion for both fuel types.
Procedures for calibrating the unit's temperature control settings.
Importance of periodic testing for controls and safety devices.
Procedures for testing gas pressure and water level safety shutdowns.
Testing interlock, flame, and airflow safety shutdown functions.
Testing SSOV, purge, and ignition switch safety operations.
Routine maintenance procedures and recommended time intervals.
Procedures for inspecting and replacing the spark ignitor and flame detector.
Steps for inspecting and cleaning the heat exchanger and condensate drain.
Adjustment of hydraulic zero valve and measurement of flame strength.
Guide for isolating and correcting faults in the water heater.
Troubleshooting common airflow faults during ignition, purge, and run.
Troubleshooting high and low gas pressure fault indications.
Troubleshooting low water level, high water temp, and related switch faults.
Troubleshooting ignition switch, SSOV, and stepper motor faults.
Setting up RS232 communication and processing menus via terminal.
Explanation of fault, operation time, and sensor logs accessible via RS232.
Descriptions of parameters in Operating, Setup, and Configuration menus.
Descriptions of tuning parameters for performance adjustment.
Table detailing various startup and status messages displayed by the unit.
Table listing fault messages and their descriptions for troubleshooting.
Step-by-step instructions for switching between natural gas and propane.
Lists of spare parts recommended for emergency, maintenance, and optional use.
Warranty periods and conditions for vessel, heat exchanger, and other components.
