Related Manuals for Lochinvar PFN1002PM
Summarization of Contents
CODES AND UNIT LOCATION
LOCATION OF UNIT
Specifies indoor installation and protection requirements for ignition systems.
CLEARANCES FROM COMBUSTIBLES
Specifies required clearances from combustible materials for safe installation.
COMBUSTION AND VENTILATION AIR
AIR SUPPLY REQUIREMENTS
Details requirements for combustion and ventilation air supply and sizing.
CONTAMINANTS AND VENTING
CONTAMINANTS
Discusses how chemical fumes can affect the water heater and vent system.
VENTING GENERAL GUIDELINES
General guidelines for vent installations according to codes and best practices.
VENT TERMINATIONS
Specifies requirements for the location and clearance of vent terminals.
MASONRY CHIMNEYS
Details requirements for using masonry chimneys with high efficiency appliances.
VENTING OPTIONS
CATEGORY I AND IV VENTING MATERIALS
Details venting requirements for Category I B-vent and Category IV materials.
VERTICAL NEGATIVE DRAFT VENTING
Explains negative draft venting setups with room air supply for specific models.
VERTICAL POSITIVE PRESSURE VENTING
Describes positive pressure venting setups with room air supply for specific models.
COMMON VENTING AND SIDEWALL VENTING
COMMON VENTING SYSTEMS
Discusses combining vent systems and restrictions for Category IV appliances.
SIDEWALL VENTING INSTALLATION
Explains sidewall venting configuration, pipe length, and termination clearances.
DIRECTAIRE AND DIRECT VENT SYSTEMS
COMBINED AIR INLET AND DIRECTAIRE VERTICAL
Covers combined air inlets for DirectAire and the DirectAire Vertical system.
DIRECTAIRE HORIZONTAL AND ROOFTOP INLET
Explains DirectAire Horizontal setup and rooftop air inlet requirements.
DIRECT VENT SYSTEMS OVERVIEW
Outlines Direct Vent systems, configurations, and material requirements.
DIRECT VENT VERTICAL AND HORIZONTAL SYSTEMS
Details Direct Vent Vertical and Horizontal system configurations.
GAS SUPPLY AND HIGH ALTITUDE
GAS SUPPLY REQUIREMENTS
Covers gas supply, regulators, line sizing, and shutoff valves.
HIGH ALTITUDE APPLICATIONS
Explains how altitude affects gas input rate and requirements for derating.
WATER CONNECTIONS AND VELOCITY CONTROL
WATER CONNECTIONS AND LOW TEMP DELIVERY
Provides guidance on unions and applications requiring temperatures below 140°F.
WATER VELOCITY CONTROL
Emphasizes regulating temperature rise for proper velocity and longevity.
PUMP OPERATION AND WATER TREATMENT
PUMP OPERATION
Details requirements for pump connection, sizing, and performance.
WATER TREATMENT RECOMMENDATIONS
Recommends water treatment for hard water areas to prevent mineral buildup.
SAFETY AND ELECTRICAL
RELIEF VALVE AND JACKET DRAIN
Mentions relief valve sizing and the jacket drain for managing condensation.
ELECTRICAL REQUIREMENTS (NORTH AMERICA)
Outlines wiring, pump operation, and circuit requirements for North America.
POWER-FIN® WATER HEATER PIPING DIAGRAMS
SINGLE HEATER PIPING DIAGRAMS
Shows diagrams for single heater setups with one or two tanks.
MULTIPLE HEATER PIPING DIAGRAMS
Presents diagrams for two heaters with one or two tanks.
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