Lochinvar 000 - 260, 45, 000 Btu/hr service manual Hazard definitions, Danger, Contents

Contents

HAZARD DEFINITIONS	. 2	5. ELECTRICAL CONNECTIONS
PLEASE READ BEFORE PROCEEDING	. 3-4	Boiler Operating Temperature Control	34
RATINGS	. 5	Room Thermostat or Remote Thermostat Connection . . 34
THE SOLUTION --HOW IT WORKS	. 6-8	Auxiliary Device Connection to Terminal Strip	34
1. DETERMINE BOILER LOCATION		Pump Wiring for a Heating Boiler	35
Location of Unit	. 9	Temperature Adjustment	35
Clearances	. 9	Temperature Control Settings	35
Combustion and Ventilation Air	10-12	Maximum Set Point Determination	36
2. VENTING		Outdoor Air Reset Option	38
A Conventional Negative Draft Venting System	13-14	Additional Temperature Controls	38
Vertical Vent Termination Clearances	15	Blocked Vent and Flame Roll-Out / Flame Interlock Switch . 39
Masonry Chimney Installation	16	6. STARTUP
Inspection of a Masonry Chimney	16	Initial Startup	40
Automatic Vent Damper	17	Lighting Instructions for Spark Ignition Pilot Models (M9) . . . .	40
3. GAS CONNECTIONS		Safety Shutoff Test for Spark Ignition Pilot System	41
Gas Supply	18	Intermittent Pilot Spark Ignition System (M9)	42
Gas Pressure Test	18	Freeze Protection	42
Gas Connection	18	Water Treatment	42
Gas Piping	19	7. MAINTENANCE
Gas Manifold Pressure Adjustment Procedure	20	Maintenance and Annual Startup	43-48
Checking Gas Supply Pressure	21	8. TROUBLESHOOTING	49
Combination Gas Valves	22	9. DIAGRAMS	50
4. WATER CONNECTIONS
Relief Valve	23
Water Flow Switch (if equipped)	23
Low Water Cutoff (if equipped)	24
Typical Heating Boiler Installations	24-25
Piping of the Boiler System	25
Performance Loop	27
Primary/Secondary Boiler Piping	27-28
Low Temperature Bypass Requirements	28
Boiler Flow Rates	28
Primary / Secondary Piping	29-31
Full System Flow	32-33

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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