Contents

HAZARD DEFINITIONS

2

PLEASE READ BEFORE PROCEEDING

3

1. PREVENT COMBUSTION AIR CONTAMINATION

4

2. MAINTENANCE SCHEDULE

5

Maintenance Procedures

6

Boiler Must Be Serviced and Maintained

6

Check Boiler Area

6

Check Pressure Temperature Gauge

6

Check Vent Piping

6

Check Air Piping

6

Check Relief Valve

6

Check Condensate Drain System

6-7

Test Low Water Cutoff (if installed)

8

Reset Button (low water cutoff)

8

Check Boiler Piping (gas and water)

8

Operate Relief Valve

8

Shut Boiler Down

8

3.

OPERATING INSTRUCTIONS

9

4.

SMART SYSTEM CONTROL MODULE

 

SMART SYSTEM Control Module

11

 

Access Modes

11

 

Saving Parameters

11

 

Adjusting Parameters

11-12

 

Status Display Screens

13-15

Revision Notes

Back Cover

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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Lochinvar WH 55 - 399 manual Contents