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General| Category | Water Heater |
|---|---|
| Brand | Aerco |
| Model | INN1350 |
| Fuel Type | Natural Gas |
| Input BTU/h | 1, 350, 000 |
| Warranty | 5 years |
| Electrical Requirements | 120V |
Procedure for shutting down the unit in an emergency.
Guidelines for designing and installing the gas supply piping.
Instructions for connecting AC electrical power.
Explanation of the unit's menu structure and navigation.
Adjusting internal setpoints and other configuration settings.
Factory-set tuning parameters for optimal performance.
Procedures for calibrating unit parameters by service personnel.
Step-by-step process for initiating the unit's start sequence.
Prerequisites and essential steps for initial unit startup.
Necessary tools and instruments for performing combustion calibration.
List of tools and instruments needed for calibration.
Step-by-step guide for installing a gas supply manometer.
Procedure to access the exhaust manifold port for analyzer probes.
Steps to connect a multimeter for measuring flame strength.
Detailed procedure for calibrating natural gas combustion.
Detailed procedure for calibrating propane combustion.
Process for calibrating the unit's temperature control system.
Adjusting temperature control at minimum load conditions.
Adjusting temperature control at maximum load conditions.
Information on over-temperature limit switches and their settings.
Test procedure to verify the low gas pressure fault detection.
Test procedure to verify the high gas pressure fault detection.
Test procedure for the low water level fault.
Test for the high water temperature fault simulation.
Tests for remote and delayed interlock circuits.
Procedure for testing the remote interlock circuit.
Procedure for testing the delayed interlock circuit.
Simulating and testing flame fault conditions.
Testing air flow fault conditions.
Checking the SSOV proof of closure switch circuit.
Testing the purge switch during the purge cycle.
Testing the ignition switch during the ignition cycle.
Testing the safety pressure relief valve.
Routine maintenance schedule and intervals.
Inspection and replacement of the igniter-injector assembly.
Inspection and replacement of the flame detector.
Inspection of the fireside components of the unit.
Inspection of the waterside of the heat exchanger.
Methods for cleaning the heat exchanger.
Step-by-step procedure for cleaning the heat exchanger.
Testing the integrity of the LWCO capacitor.
Test for electrical shorts in the LWCO capacitor.
Standard test for LWCO using C-More controls.
Troubleshooting for issues without specific fault messages.
How the WHM system operates and communicates.
Procedure for automatically calibrating temperature sensors.
Instructions for installing and setting up WHM hardware.
Wiring the Modbus network in a daisy-chain configuration.
Steps for programming the WHM Master and Slaves.
Troubleshooting common WHM operational faults.
List and description of all fault messages displayed by the unit.
List of recommended emergency spare parts.
