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Lochinvar Manuals
Water Heater
200
Service handbook
Lochinvar 200 Service Handbook
Residential fvir gas water heaters
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Tools Required (for Servicing Gas Models)
General Safety
Troubleshooting Quick Reference
Basic Installation & Operation
Normal Operation
Combustion Air Requirements
Draining and Filling the Water Heater
Draining the Water Heater
Filling the Water Heater
Combustion Air Test
Checking the Gas Supply Pressure
Checking for Sufficient Combustion Air or Venting Issues
Draft Test
External Inspection & Cleaning of the Base-Ring Filter
Cleaning the Combustion Chamber and Flame-Arrestor
Testing the Thermocouple and Gas Control Valve/Thermostat
Thermocouple Output Test
Gas Control Valve/Thermostat Test (Thermal Switch Models)
Replacing the Thermocouple
Removing the Manifold/Burner Assembly
Removing the Burner from the Manifold/Burner Assembly
Replacing the Thermocouple and Gas Control Valve/Thermostat
Replacing the Manifold/Burner Assembly
Removing and Replacing the Gas Control Valve/Thermostat
Replacing the Gas Valve
Adjusting the Temperature on the Gas Control Valve Thermostat
Gas Water Heater Sizing Guide
Leakage Checkpoints
Technical Bulletins
Water Hammer
Mineral Build-Up
Aluminum Hydroxide
Condensation
Discolored Water
Smelly Water
Chlorination Procedure
Not Enough Hot Water - Gas
Thermal Expansion
Leaking Temperature and Pressure Relief Valve
Insulation Blankets
General Information
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Service Handbook
Residential FVIR
Gas Water Heaters
MODELS:
GSN, GTN, GSL, GTL- Series 200/201
THIS SERVICE HANDBOOK IS FOR USE BY QUALIFIED SERVICE PROFESSIONALS ONLY.
LOW LEAD
CONTENT
100324808 2000580428 (Rev. A)
October 2019
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Technical Bulletins
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Table of Contents
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