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manual abstract
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 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 the gas supplier. MH27745CONTROLS WARNING This manual must only be used by a qualified heating installer / service technician. Failure to comply could result in severe personal injury, death or substantial property damage. It is also important to keep these Instructions with the appliance. HEAT TRANSFER PRODUCTS, INC. 120 BRALEY RD., E. FREETOWN, MA 02717 USING THIS MANUAL USING THIS MANUAL SPECIAL ATTENTION BOXES Throughout this manual you will see these special attention boxes similar to this one, which are intended to supplement the instructions and make special notice of potential hazards. These categories mean, in the judgement of Heat Transfer Products, Inc.: DANGER DANGER indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury. WARNING WARNING indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. CAUTION CAUTION Indicates a potentially hazardous situtation which, if not avoided, may result in minor or moderate injury. CAUTION CAUTION used without the safety alert symbol indicates a potentially hazardous situation which, if not avoided, may result in property damage. WARNINGS • THIS UNIT IS FOR CATEGORY IV VENTING - 2 PIPE ONLY. THIS IS A SEALED COMBUSTION APPLIANCE. • THIS HEATER INSTALLATION MUST CONFORM TO THE LATEST EDITION OF THE “NATIONAL FUEL GAS CODE” ANSI Z223.1 NFPA 54 AND OR CAN/CGA B149 INSTALLATION CODES. STATE AND LOCAL CODES MIGHT ALSO APPLY TO INSTALLATION. • WHERE REQUIRED BY THE AUTHORITY HAVING JURISDICTION, THE INSTALLATION MUST CONFORM TO THE STANDARDS FOR CONTROLS AND SAFETY DEVICES FOR AUTOMATICALLY FIRED HEATERS, ANSI/ASME HEATER AND PRESSURE VESSEL CODE, Section IV, ALONG WITH CSD1. • THE HEATER, GAS PIPING, WATER PIPING, VENTING AND ELECTRICAL MUST BE INSTALLED BY TRAINED & QUALIFIED PERSONNEL FAMILIAR WITH INSTALLATION PRACTICES, LOCAL CODE, LICENSING REQUIREMENTS. • IF THE INFORMATION IN THESE INSTRUCTIONS ARE NOT FOLLOWED EXACTLY, A FIRE OR EXPLOSION MAY RESULT; CAUSING PROPERTY DAMAGE, PERSONAL INJURY, OR DEATH. • DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE; • THE USE OF A LOW WATER CUT-OFF DEVICE MAY BE REQUIRED BY STATE OR LOCAL CODES IF THE MUNCHKIN IS INSTALLED ABOVE RADIATION LEVELS. TABLE OF CONTENTS TABLE OF CONTENTS PART1 . . . . . . . . . . . . . . . . . . . . . .4 thru 6 GENERAL INFORMATION A How It Operates . . . . . . . . . . . . . . . . . .4 B Munchkin Ratings and Dimensions .4–5 C Pre-installation Requirements . . . . . . .5 D Pressure Relief Valve . . . . . . . . . . . . . .6 PART2 . . . . . . . . . . . . . . . . . . . . . .6 thru 8 ELECTRICAL A Electrical Connection . . . . . . . . . . . . . .6 PART3 . . . . . . . . . . . . . . . . . . . . .8 thru 10 GAS CONNECTION A Gas Connection . . . . . . . . . . . . . . . . . . .9 B Gas Piping . . . . . . . . . . . . . . . . . . . . . . .9 C Gas Table . . . . . . . . . . . . . . . . . . . . . . . .9 PART4 . . . . . . . . . . . . . . . . . . . .11 thru 17 VENTING A Approved Venting Materials . . . . . . . .11 B Venting the Munchkin in 4” or 6” Plastic Pipe . . . . . . . . . . . . . .11 C Longer Vent Runs Using a Combination of 4” to 6” Pipe . . . . . . .14 D Heater Removal from a Common Vent System . . . . . . . . . . . .15 E Condensate Requirements . . . . . . . . .17 PART5 . . . . . . . . . . . . . . . . . . . .17 thru 28 PIPING A Hydronic piping with Circulators or Zone Valves . . . . . . . . .17 B Circulator Sizing . . . . . . . . . . . . . . . . .18 C Fill and Purge Heating System . . . . . .19 D Piping Illustrations . . . . . . . . . . . . .20–28 PART6 . . . . . . . . . . . . . . . . . . . .29 thru 32 START UP PROCEDURES A Items to be checked before lighting the Munchkin . . . . . . . . . . . . .29 B Lighting Instructions . . . . . . . . . . . . . .29 C Operating Instructions . . . . . . . . . . . .30 D Adjusting the Temperature on the Munchkin Display . . . . . . . . . .30 E Status Menu . . . . . . . . . . . . . . . . . . . .31 F Test Mode . . . . . . . . . . . . . . . . . . . . . .31 G To Turn Off Gas to Appliance . . . . . . .31 PART 7 . . . . . . . . . . . . . . . . . . . .32 thru 36 SERVICING A Sequence of operation . . . . . . . . . . . .32 B Munchkin Temporary Fault Condition . . . . . . . . . . . . . . . . . .32 C Munchkin Fault Requiring Manual Reset . . . . . . . . . . . . . . . . . . .34 PART 8 . . . . . . . . . . . . . . . . ....