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