Lochinvar 150 - 800 service manual Contents

Page 2

Contents

CONTENTS

. 2

2. MAINTENANCE

 

 

Hazard Definitions

. 2

Maintenance and Annual Startup

. . . . . . .

16-20

PLEASE READ BEFORE PROCEEDING

. 3

3. TROUBLESHOOTING

 

 

Handling Ceramic Fiber Materials

. 3

Before Troubleshooting

. . . . . . .

21

When servicing water heater

. 3

Check Control Module Fuses

. . . . . . .

21

Water heater operation

3

Table 3A - Troubleshooting Chart - No Display .

. . . . . . .

22

WHAT IS IN THIS MANUAL

. 4

Checking Temperature Sensors

. . . . . . .

23

1. SERVICE

 

Table 3D - Troubleshooting Chart - Noisy System . . . . . 24

The Armor Water Heater Display

. 5

Table 3E - Troubleshooting Chart - Fault Messages . . . .

25-31

Control Inputs

. 6

Combustion Analysis Procedure

. . . . . . .

32

Control Outputs

. 7

Table 3F - Troubleshooting Chart - Combustion Levels .

32

General Operation

. 8

Table 3G - Flue Products

. . . . . . .

32

Sequence of Operation

. 9

Gas Valve Adjustment Procedure

. . . . . . .

33-34

Display Panel Menu Access

10

Revision Notes

Back Cover

Display Panel Parameter Access

11

 

 

 

Parameter Table

12

 

 

 

Viewable and Changeable Control Parameters

13-15

 

 

 

Hazard definitions

The following defined terms are used throughout this manual to bring attention to the presence of hazards of various risk levels or to important information concerning the life of the product.

￿DANGER

￿WARNING

￿CAUTION

CAUTION

NOTICE

DANGER indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.

WARNING indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.

CAUTION indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.

CAUTION used without the safety alert symbol indicates a potentially hazardous situation which, if not avoided, may result in property damage.

NOTICE indicates special instructions on installation, operation, or maintenance that are important but not related to personal injury or property damage.

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Contents Models 150 Contents Niosh stated First Aid Please read before proceedingHandling ceramic fiber materials Maintenance What is in this manual?Service TroubleshootingService Armor water heater displayControl inputs Control outputs Sequence of operation General OperationHow the water heater operates 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 loggingNot used Control modes WHR settingsFunctions Service Notification Circulation pumpsOwner maintenance Maintenance Maintenance and annual startupService technician Maintenance Check expansion tank Flue vent system and air pipingCheck water system Check water heater relief valveCheck control settings Check ignition ground wiringCheck all water heater wiring Perform start-up and checksReview with owner Check flame signalCleaning heat exchanger Oiled bearing circulatorsCheck control module fuses TroubleshootingBefore troubleshooting Check the followingOperation No DisplayNo Burner Unit Does NotChecking temperature sensors Temperature F Resistance ΩRelief Valve NoisyNo Pump OpeningSequence Flow SwitchFlame GV/RelayNo Flame Ign No Flame RunningFan Low Manual ResetHigh Limit Fan Speed LowSensor Open Fan HighFan Speed High Sensor ShortedProgr Rem Ctrl FltParameters No Error Stored Service BlkWatch Dog Error Low 24 VACOr Obstruction Combustion Analysis ProcedureGas Valve Adjustment Gas Supply PressureModel Gas valve adjustment procedureModels 150 4Gas Valve Adjustment Model Models 600
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