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Leave all documentation received with appliance with owner for future reference. WARNING - Input from 100,000 to 199,000 Btu/hr - NOTICE If the information in this manual is not followed exactly, a fire or explosion may result causing pro p e rty damage, personal injury or d e a t h . FOR YOUR SAFETY • Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. • WHAT TO DO IF YOU SMELL GAS -Do not try to light any appliance -Do not touch any electrical switch; do not use any phone in your building. -Immediately call your gas supplier from a neighbor’s phone. Follow the gass u p p l i e r’s instructions. -If you cannot reach your gas supplier, call the fire department. Installation and service must be performed by a qualified installer, service agency or thegas supplier. PG PLUS-25/30/35/40 & 45 Gas Fired Combination Heaters Category IV Vented Appliance If the information in this manual is not followed exactly, a fire or explosion may result causing pro p e rty damage, personal injury or d e a t h . FOR YOUR SAFETY • Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. • WHAT TO DO IF YOU SMELL GAS -Do not try to light any appliance -Do not touch any electrical switch; do not use any phone in your building. -Immediately call your gas supplier from a neighbor’s phone. Follow the gass u p p l i e r’s instructions. -If you cannot reach your gas supplier, call the fire department. Installation and service must be performed by a qualified installer, service agency or thegas supplier. PG PLUS-25/30/35/40 & 45 Gas Fired Combination Heaters Category IV Vented Appliance 2005-7 PG PLUS Manual 1/2005 Table of Contents PRODUCT AND SAFETY INFORMATION Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Product Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 Operating Restrictions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Code Restrictions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 SECTION I - PRE-INSTALLATION ITEMS Code Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Determining Product Location. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Boiler Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Recommended Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6 Flooring and Foundation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Residential Garage Installations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 SECTION II - COMBUSTION AIR AND VENTING Combustion Air Contamination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Combustion Air Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Outside Combustion Air. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Air Openings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Methods of Accessing Combustion Air into a Space. . . . . . . . . . . . . . . . . . 8-10 Vent System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Removal of an Existing Boiler from a Common Vent System . . . . . . . . . . 11 SECTION III - UNIT PREPARATION Handling Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Hydrostatic Pressure Test Hydrostatic Test Preparation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Hydrostatic Test Procedures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-13 Completion of Hydrostatic Test and Draining . . . . . . . . . . . . . . . . . 13 SECTION IV - DOMESTIC PIPING General Piping Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Domestic Supply Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Thermal Expansion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Water Hammer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Temperature / Pressure Relief Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-15 Thermostatic Mixing Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 i Table of Contents U-Tube Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-16 Domestic Drain Valve. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Multiple Units Installation . . . . . . . . . . ...