Related Manuals for Lochinvar PFN1501PM
Summarization of Contents
COMBUSTION & VENTILATION AIR
EXAMPLE OF SIZING FOR COMBUSTION & VENTILATION AIR OPENINGS
Illustrates calculation for required air openings based on unit input, considering louvers and screens.
VENTING
General
Outlines general requirements for vent installations, including code compliance and direct connections.
Vent Terminations
Specifies requirements for vertical vent terminals, clearances, and termination points.
VENTING OVERVIEW
CATEGORY I DOUBLE-WALL B-VENT (ON/OFF - ONLY)
Describes Category I venting using double-wall B-vent for ON/OFF models, terminating at the rooftop.
CATEGORY IV VENT MATERIAL (ALL MODELS)
Covers Category IV venting requirements using corrosion-resistant materials for all models.
VENTING OPTIONS
Conventional Vertical Negative Draft Venting with Combustion Air Supplied from the Equipment Room (PF0501-1300 Models - Only)
Explains vertical negative draft venting using equipment room air for specific models.
Vertical Negative Draft Venting with Combustion Air Supplied from the Equipment Room (PF0501 - 1300 Models - Only)
Details vertical negative draft venting using corrosion-resistant material and equipment room air.
Vertical Positive Pressure Venting with Combustion Air Supplied from the Equipment Room (PF1500 - 2000 Models - Only)
Describes positive pressure venting for specific models using corrosion-resistant materials and equipment room air.
GAS SUPPLY
High Altitude Applications
Explains how altitude affects gas heating value and air requirements, requiring derating.
EXAMPLE OF HIGH ALTITUDE APPLICATIONS
Provides a calculation example for reducing heat input rate at higher elevations.
WATER CONNECTIONS
Inlet and Outlet Water Connections
Advises on installing unions for service and connecting inlet/outlet to the storage tank.
WATER TREATMENT
Acceptable Water Quality Levels
Specifies acceptable levels for water hardness, TDS, and pH for optimal performance and to prevent issues.
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