Lochinvar 150 - 800 service manual What is in this manual?, Service, Maintenance, Troubleshooting

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What is in this manual?

Service

Near water heater piping

• Typical system components

The Armor water heater display

• Display panel readout, buttons and their functions

Control module inputs

• Control module inputs and options

Control module outputs

• Control module outputs and options

General

•How the water heater operates

•How the control module operates

•Access modes -- user and installer

•Sequence of operation -- Water Heating

Control panel menu access

•Accessing programming mode and locating menus (See separate guide covering the PC interface.)

Control panel parameter access

• Accessing and changing parameters from the display panel

Quick start information -- parameter table

•An index of available adjustments and readouts, where to access them and where to find detailed information.

Armor water heater operation

•A: General

•C: Data Logging

•D: Functions

•E: WHR Settings

•H: Control Modes

•I: Circulation Pumps

•J: Service Notification

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Service Manual

Maintenance

•Service and maintenance schedules

•Address reported problems

•Inspect water heater area and water heater interior

•Clean condensate trap

•Check all piping for leaks

•Check air openings

•Flue vent system and air piping

•Check water system

•Check expansion tank

•Check water heater relief valve

•Inspect ignition electrode

•Check ignition ground wiring

•Check all water heater wiring

•Check control settings

•Perform start-up and checks

•Check burner flame

•Check flame signal

•Check flue gas temperature

•General maintenance

•Review with owner

•Cleaning the water heater heat exchanger

•Oiled bearing circulators

Troubleshooting

•Troubleshooting table - No display

•Checking temperature sensors

•Sensor tables

•Troubleshooting table - Fault messages displayed on the water heater interface

•Combustion analysis procedure

•Gas valve adjustment procedure

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Contents Models 150 Contents Handling ceramic fiber materials Please read before proceedingNiosh stated First Aid What is in this manual? ServiceMaintenance TroubleshootingService Armor water heater displayControl inputs Control outputs General Operation How the water heater operatesSequence of operation Saving parametersSequence of operation Display panel menu access Use this procedure to access menus from the display panelDisplay panel parameter access Button Operation Display CommentsParameter table WHRViewable and changeable control parameters Not used Data loggingFunctions WHR settingsNot used Control modes Service Notification Circulation pumpsService technician Maintenance Maintenance and annual startupOwner maintenance Maintenance Flue vent system and air piping Check water systemCheck expansion tank Check water heater relief valveCheck ignition ground wiring Check all water heater wiringCheck control settings Perform start-up and checksCheck flame signal Cleaning heat exchangerReview with owner Oiled bearing circulatorsTroubleshooting Before troubleshootingCheck control module fuses Check the followingNo Display No BurnerOperation Unit Does NotChecking temperature sensors Temperature F Resistance ΩNoisy No PumpRelief Valve OpeningFlow Switch FlameSequence GV/RelayNo Flame Ign No Flame RunningManual Reset High LimitFan Low Fan Speed LowFan High Fan Speed HighSensor Open Sensor ShortedParameters Rem Ctrl FltProgr Service Blk Watch Dog ErrorNo Error Stored Low 24 VACCombustion Analysis Procedure Gas Valve AdjustmentOr Obstruction Gas Supply PressureModels 150 Gas valve adjustment procedureModel 4Gas Valve Adjustment Model Models 600