Lochinvar 502, 2072 operation manual Contents, Hazard definitions, Danger, Caution Caution Notice

Contents

HAZARD DEFINITIONS	2
PLEASE READ BEFORE PROCEEDING	3
SAFETY INFORMATION	4
THE COPPER-FIN2-- HOW IT WORKS	5-7
RATINGS	8
1. DETERMINE UNIT LOCATION
Location of Unit	9
Indoor Clearances from Combustible Construction	9
Non-Combustible / Combustible Flooring	9
Freeze Protection	9
Location	10
Hydronic Systems Anti-freeze	10
Outdoor Pool Heater Installation	10
Combustion and Ventilation Air	10
Combustion Options	10 - 12
2. VENTING
Before You Begin	13
Vent System Options	14
General Venting Information	15
Conventional Negative Draft Venting	16-18
Vertical DirectAire Venting	19-21
Sidewall Venting	22-24
Horizontal DirectAire Venting	25
Direct Venting	26-29
Outdoor Installation	30
3. GAS CONNECTIONS
Connecting to Gas Supply	31
Gas Pressure Test	31
Checking Manifold Gas Pressure	31
Gas Piping	31
Gas Connection	31-32
Combination Gas Valves	32
Checking Gas Supply Pressure	33

4. WATER CONNECTIONS
Circulating Pump		34
Minimum Pump Performance		35
Heat Exchanger		35
Auxiliary Mixed Water Limit Control		35
Piping Diagrams		36-38
Pumped Automatic Bypass		39
Outdoor Operation: 3-Way Valve Cover		39
Automatic Bypass Valve Cover Installation		39
Manual Operation of the 3-Way Automatic Bypass		......... 39
Relief Valve		40
Automatic Chlorinator and Chemical Feeders		40
Water Flow Switch		40
Pump Purge Delay		40
Service Indicator Option		40
5. ELECTRICAL CONNECTIONS
General Information		41
3-Way Automatic Bypass Valve Wiring		41
Pool Heater Operating Control Module		42-44
Wiring of the Cascade		44
6. STARTUP
Pre-Start Checklist		45
Starting the Filter System		45
Check for Gas Leaks		45
Check/Control Water Chemistry		45
Freeze Protection		45-46
Check Thermostat Circuit(s)		46
Placing the Pool Heater in Operation		46-48
7. OPERATING INFORMATION
General		49
How the Control Module Operates		49-51
Sequence of Operation		52
Copper-fin2Control Module		53-54
Status Display Screens		55-56
8. MAINTENANCE		57-61
9. CONNECTION DIAGRAM		62-63
10. LADDER DIAGRAM		64-65
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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