Assessments - 4, GPA: 3.3
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Improper installation and/or operation will void the warranty. WARNING If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life. 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 nearby phone. Follow the gas supplier'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 gas supplier. IMPORTANT SAFETY INSTRUCTIONS READ AND FOLLOW ALL INSTRUCTIONS SAVE THESE INSTRUCTIONS ® P/N 472644 Rev A - 05/22/06 Pentair Water Commercial Pool and Spa TABLE OF CONTENTS SECTION 1. General Information 1A. Introduction...................................................3 SECTION 2. Installation 2A. Boiler Placement .......................................... 3 2B. Installation of Indoor Boilers ......................... 4 2B-1. Combustion Air Supply ................................. 4 2B-2. Venting ......................................................... 5 2C. Installation of Outdoor Water Units............... 5 2D. Freeze Protection ......................................... 6 2E. Gas Supply and Piping ................................. 6 2F. Electrical Wiring ............................................ 7 2G. Piping of System to Boiler ............................ 7 2H. General Water Piping ................................... 7 2I. Boiler By-Pass Piping ................................... 8 2J. Automatic Chlorinators ................................. 8 2K. Pressure Switch ........................................... 8 SECTION 3. Operation 3A. Initial Start Up ............................................... 9 3A-1. Initial Filter Cycle on a New Pool .................. 9 3A-2. Starting Instructions......................................9 3A-3. Hi-Limit Checkout ....................................... 10 3B. To Start Up System (See Section 3A for Initial Start Up) ............ 10 3C. To Turn Off Boiler ....................................... 10 3D. Spring and Fall Operation ............................ 10 3E. Winter Operation ......................................... 10 3E-1. Draining Boiler Before Freezing ................... 10 3E-2. Improper Use of the Boiler ........................... 10 3F. Time Clock Operation .................................. 11 3G. Spa (Hot Tub) Safety Rules ......................... 11 3H. Periodic Service .......................................... 11 3I. Pool Water Chemistry ................................. 11 SECTION 4. Maintenance ................................................................... 12 SECTION 5. Troubleshooting and Analysis of Service Problems ................................................................... 12 SECTION 6. Conversion of Model MT Pool Boilers From Indoor to Outdoor Models 6A. SECTION I ................................................. 14 6B. SECTION II ................................................ 14 SECTION 7. Parts Description and Order Numbers ................................................................... 16 Pentair Technical Support Sanford, North Carolina (8 A.M. to 5 P.M.) Phone: (800) 831-7133 Fax: (919) 566-8920 Moorpark, California (8 A.M. to 5 P.M.) Phone: (800) 831-7133 Fax: (800) 284-4151 Web sites: visit and MegaTherm Commercial Pool Heating Boiler Page 3 SECTION 1. General Information IMPORTANT WARNING: The MegaTherm Model MT commercial pool boilers must be used with potable water only. For pools containing salt water, a specially equipped boiler must be used. Consult your distributor or factory representative. The pool boiler must be installed in accordance with the procedures in this manual, or the warranty could be voided. Consult local building codes and ANSI bulletin Z223.1 or in Canada CAN1B149 before proceeding with the installation. Any modification to the boiler, its gas controls, gas orifices, wiring or draft diverter may void the warranty. Consult the factory before making any modifications. 1A. Introduction This manual provides information for the installation and operation of Model MT Pool Boilers. It is strongly recommended that all application and installation procedures be reviewed completely before proceeding with the installation. Consult the Pentair Water Commercial Pool and Spa technical support (see page 2), or your local representative, with any problems or questions regarding this equipment. Experience has shown that most operating problems are caused by improper installation. Model MT boilers are offered in two configurations: an indoor version and an outdoor version. The indoor version is convertible for outdoor use with the installa...