MC Series Gas-Fired Circulating Heater - Heat Transfer Products, Inc

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4 The latest version of the National Electrical Code, NFPA No. 70. NOTE: The gas manifold and controls met safe lighting and other performance criteria when undergoing tests specified in ANSI Z21.10.3 – latest edition. The hydronic supply and return connections of these products are for installation in closed loop systems ONLY! Use of this product in any manner other than described in this manual may result in premature product failure, substantial property damage, severe personal injury, or death. Damage or failure of this product (or the system in which it is installed) due to unauthorized use IS NOT COVERED BY WARRANTY. TABLE OF CONTENTS PART 1 – GENERAL SAFETY INFORMATION .......................................................................................................................... 6 A. PRECAUTIONS .......................................................................................................................................................................... 6 B. IMPROPER COMBUSTION ........................................................................................................................................................ 7 C. GAS ............................................................................................................................................................................................ 7 D. WHEN SERVICING THE HEATER ............................................................................................................................................. 7 E. HEATER SYSTEM ...................................................................................................................................................................... 7 F. WATER CHEMISTRY* ................................................................................................................................................................ 7 G. WINTERIZING ............................................................................................................................................................................ 8 PART 2 – BEFORE YOU START ................................................................................................................................................ 8 A. WHAT’S IN THE BOX ................................................................................................................................................................. 8 B. HOW THE HEATER OPERATES ............................................................................................................................................... 8 C. OPTIONAL EQUIPMENT ......................................................................................................................................................... 10 PART 3 – PREPARE HEATER LOCATION .............................................................................................................................. 10 A. BEFORE LOCATING THE HEATER ........................................................................................................................................ 10 B. LEVELING ................................................................................................................................................................................ 11 C. CLEARANCES FOR SERVICE ACCESS ................................................................................................................................. 12 D. RESIDENTIAL GARAGE, CLOSET, AND ALCOVE INSTALLATIONS .................................................................................... 12 E. EXHAUST VENT AND INTAKE PIPE ....................................................................................................................................... 13 F. PREVENT COMBUSTION AIR CONTAMINATION .................................................................................................................. 13 G. REMOVING AN EXISTING HEATER FROM AN EXISTING COMMON VENT SYSTEM ........................................................ 13 PART 4 – PREPARE HEATER .................................................................................................................................................. 14 A. REMOVE HEATER FROM BOX ............................................................................................................................................... 14 B. WALL MOUNTING CONSIDERATIONS ................................................................................................................................... 14 C. WALL MOUNTING INSTRUCTIONS ........................................................................................................................................ 14 D. INSTALLATION STEPS ............................................................................................................................................................ 15 PART 5 – HEATER PIPING ....................................................................................................................................................... 15 A. GENERAL PIPING INFORMATION .......................................................................................................................................... 15 B. RELIEF VALVE ......................................................................................................................................................................... 16 C. SEPARATE LOW WATER CUTOFF ........................................................................................................................................ 17 D. BACKFLOW PREVENTER ....................................................................................................................................................... 17 E. SYSTEM WATER PIPING METHODS ..................................................................................................................................... 17 LP-171 Rev. 10.2.13
5 F. CIRCULATORS......................................................................................................................................................................... 17 G. HYDRONIC PIPING WITH CIRCULATORS, ZONE VALVES, AND MULTIPLE HEATERS .................................................... 18 H. CIRCULATOR SIZING .............................................................................................................................................................. 18 I. ZONING WITH ZONE VALVES.................................................................................................................................................. 19 J. ZONING WITH CIRCULATORS ................................................................................................................................................ 19 K. MULTIPLE HEATERS ............................................................................................................................................................... 19 L. FILL AND PURGE HEATING SYSTEM .................................................................................................................................... 20 M. PIPING DETAILS ..................................................................................................................................................................... 21 PART 6 – PIPING WITH OPTIONAL VISION 1 SYSTEM ......................................................................................................... 28 A. VISION 1 SYSTEM PIPING ...................................................................................................................................................... 28 B. ZONING WITH ZONE VALVES USING VISION 1 .................................................................................................................... 28 C. ZONING WITH CIRCULATORS USING VISION 1 ................................................................................................................... 28 D. PIPING DETAILS WITH THE VISION 1 SYSTEM .................................................................................................................... 29 PART 7 – VENTING, COMBUSTION AIR, AND CONDENSATE REMOVAL ........................................................................... 39 A. GENERAL ................................................................................................................................................................................. 39 B. APPROVED MATERIALS FOR EXHAUST VENT AND INTAKE PIPE .................................................................................... 39 C. REQUIREMENTS FOR INSTALLATION IN CANADA .............................................................................................................. 40 D. EXHAUST VENT AND INTAKE PIPE LOCATION.................................................................................................................... 41 E. ROTATING THE FLUE ADAPTER ........................................................................................................................................... 44 F. EXHAUST VENT AND INTAKE PIPE SIZING .......................................................................................................................... 45 G. LONGER VENT RUNS ............................................................................................................................................................. 45 H. EXHAUST VENT AND INTAKE PIPE INSTALLATION ............................................................................................................ 46 I. DIAGRAMS FOR SIDEWALL VENTING .................................................................................................................................... 47 J. DIAGRAMS FOR VERTICAL VENTING .................................................................................................................................... 48 PART 8 – GAS PIPING .............................................................................................................................................................. 48 A. GAS CONNECTION ................................................................................................................................................................. 48 B. GAS PIPING ............................................................................................................................................................................. 50 C. CHECK INLET GAS PRESSURE ............................................................................................................................................. 50 D. GAS VALVE .............................................................................................................................................................................. 51 PART 9 – FIELD WIRING .......................................................................................................................................................... 52 A. INSTALLATION MUST COMPLY WITH: .................................................................................................................................. 52 B. FIELD WIRING.......................................................................................................................................................................... 52 C. LINE VOLTAGE WIRING .......................................................................................................................................................... 52 D. THERMOSTAT ......................................................................................................................................................................... 52 PART 10 – FIELD WIRING – VISION 1 OPTION ...................................................................................................................... 54 PART 11 – START-UP PREPARATION.................................................................................................................................... 56 A. CHECK/CONTROL WATER CHEMISTRY ............................................................................................................................... 56 B. FREEZE PROTECTION (WHEN USED) .................................................................................................................................. 57 C. FILL AND TEST WATER SYSTEM .......................................................................................................................................... 57 D. AIR PURGING PROCEDURE FOR HEAT EXCHANGER ........................................................................................................ 57 E. PURGE AIR FROM WATER SYSTEM ..................................................................................................................................... 58 LP-171 Rev. 10.2.13
Page 1 and 2: MC Series Gas-Fired Circulating Hea
Page 3: 3 The following defined terms are u
Page 7 and 8: 7 DO NOT USE THIS HEATER IF ANY PAR
Page 9 and 10: Modulating Combustion System Modula
Page 11 and 12: 11 Failure to keep heater area clea
Page 13 and 14: 13 E. EXHAUST VENT AND INTAKE PIPE
Page 15 and 16: The building frame (studs) must be
Page 17 and 18: 17 C. SEPARATE LOW WATER CUTOFF A l
Page 19 and 20: 19 The chart below represents vario
Page 21 and 22: 21 M. PIPING DETAILS Figure 5 LP-17
Page 23 and 24: 23 Figure 7 NOTES: 1. This drawing
Page 29 and 30: 29 D. PIPING DETAILS WITH THE VISIO
Page 39 and 40: 39 PART 7 - VENTING, COMBUSTION AIR
Page 41 and 42: 41 D. EXHAUST VENT AND INTAKE PIPE
Page 43 and 44: 43 Figure 23 - LP-171-R NOTES: 1. C
Page 45 and 46: 45 2. Inspect the area where the wh
Page 47 and 48: 47 I. DIAGRAMS FOR SIDEWALL VENTING
Page 49 and 50: 49 *NOTE: Installer must supply tra
Page 51 and 52: The gas piping must be sized for th
Page 53 and 54: 53 Figure 29 LP-171 Rev. 10.2.13
Page 55 and 56:
Connection Specification - Wire 22
Page 57 and 58:
57 B. FREEZE PROTECTION (WHEN USED)
Page 59 and 60:
59 Never open the manual air vent w
Page 61 and 62:
61 To adjust, press either {S1} (De
Page 63 and 64:
63 18 1 Step Modulation - Regulates
Page 65 and 66:
65 926 CONTROL BOARD ERROR CODES CO
Page 67 and 68:
67 PART 15 - MAINTENANCE A. MAINTEN
Page 69 and 70:
69 Check combustion air inlet pi
Page 71 and 72:
71 Figure 33 LP-171 Rev. 10.2.13
Page 73 and 74:
73 HEATER START-UP REPORT LIGHT OFF
Page 75 and 76:
75 LP-171 Rev. 10.2.13
Page 77 and 78:
77 MAINTENANCE NOTES LP-171 Rev. 10
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MC Series Gas-Fired Circulating Heater - Heat Transfer Products, Inc

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