Lochinvar 151 operation manual Hazard definitions, Danger, Caution Caution Notice, Contents

Contents

HAZARD DEFINITIONS	2
PLEASE READ BEFORE PROCEEDING	3
THE ARMOR WATER HEATER -- HOW IT WORKS....	4-6
RATINGS	7
1. DETERMINE WATER HEATER LOCATION
Provide Clearances	8
Provide Air Openings to Room	10
Flooring and Foundation	10
Residential Garage Installation	10
Vent and Air Piping	10
Prevent Combustion Air Contamination	10
Corrosive Contaminants and Sources	11
Using an Existing Vent System to Install a New Water
Heater	11
Removing a Water Heater from Existing Common Vent . 12
2. PREPARE WATER HEATER
Remove Water Heater from Wood Pallet	13
Gas Conversions	13-15
Leveling the Water Heater	15
3. GENERAL VENTING
Direct Venting Options	16-17
Install Vent and Combustion Air Piping	18
PVC/CPVC Vent Piping Materials	18
Requirements for Installation in Canada	18
Installing Vent or Air Piping	18
PVC/CPVC Air Intake/Vent Connections	19
Air Inlet Pipe Materials	20
Stainless Steel Vent	20
Stainless Steel Air Intake/Vent Connections	21
Min./Max. Combustion Air & Vent Piping Lengths	22
Vent and Air Piping	22
Optional Room Air	23
4. SIDEWALL DIRECT VENTING
Vent/Air Termination - Sidewall	24-27
Determine Location	24-26
Prepare Wall Penetrations	26-27
Termination and Fittings	27
Multiple Vent/Air Terminations	27
Sidewall Termination - Optional Concentric Vent	28-30
5. VERTICAL DIRECT VENTING
Vent/Air Termination - Vertical	31-32
Determine Location	31

Prepare Roof Penetrations	32
Termination and Fittings	32
Multiple Vent/Air Terminations	32
Vertical Termination - Optional Concentric Vent	33-34
Alternate Vertical Concentric Venting	35-36
6. SYSTEM PIPING
System Water Piping Methods	37
Flow Switch and Relief Valve Installation	37
Flow Switch Adjustment	37
Scalding	38
Water Chemistry	38
Piping Components	38
7. GAS CONNECTIONS
Connecting Gas Supply Piping	44
Natural Gas	45
Pipe Sizing for Natural Gas	45
Natural Gas Supply Pressure Requirements	............. 45
Propane Gas	45
Pipe Sizing for Propane Gas	45
Propane Supply Pressure Requirements	45
Check Inlet Gas Supply	46
Gas Pressure	47
Gas Valve Replacement	47
8. FIELD WIRING
Line Voltage Connections	48
Low Voltage Connections	48
Wiring of the Cascade	50
9. CONDENSATE DISPOSAL
Condensate Drain	52
10. STARTUP	53-58
11. OPERATING INFORMATION
General	59
Cascade	61
Sequence of Operation	62
Armor Water Heater Control Module	63
Status Display Screens	64-66
12. MAINTENANCE
Maintenance & Annual Startup	67-71
13. DIAGRAMS
Ladder Diagram	72
Wiring Diagram	73
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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