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MrCool Signature Series Owners & Installation Manual
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MrCool Signature Series Owners & Installation Manual

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The Signature Series is NOT designed for amateur installation. Installation SHOULD be performed by an authorized technician.
Please read this manual carefully before installation and keep it for future reference.
Owner & Installation
Manual
Signature Series
MGM*95SE*XA Gas Furnace
The Signature Series is NOT designed for amateur installation. Installation SHOULD be performed by an authorized technician.
Please read this manual carefully before installation and keep it for future reference.

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Summary of Contents for MrCool Signature Series

  • Page 1 The Signature Series is NOT designed for amateur installation. Installation SHOULD be performed by an authorized technician. Please read this manual carefully before installation and keep it for future reference. Owner & Installation Manual Signature Series MGM*95SE*XA Gas Furnace The Signature Series is NOT designed for amateur installation. Installation SHOULD be performed by an authorized technician.

  • Page 2: Table Of Contents

    Warm Air Gas Furnace This manual must be left with the homeowner for future reference. Table of Contents Gas Piping Gas Furnace WARNING CAUTION *F507276-C* MRCOOL, LLC (P) 507276-05C Save these instructions for future reference 507276-05C mrcool.com Page 1 of 57...
  • Page 3 Unit Dimensions NOTE - C*5 Air B FRONT VIEW SIDE VIEW Model 070-3 110-5 135-5 Page 2 of 57 mrcool.com 507276-05C...
  • Page 4 Parts Arrangement Figure 1. 507276-05C mrcool.com Page 3 of 57...

  • Page 5: Gas Furnace

    Gas Furnace Shipping and Packing List MG*95SE*XA MG*95SE*XA NOTE: In Direct Vent installations, combustion air is taken Non-Direct Vent installations, combustion air is taken from NOTE: Safety Information DANGER DANGER OF EXPLOSION! Figure 2. MG*95SE*XA Building Codes Figure 3. mrcool.com 507276-05C...
  • Page 6 Figure 4. Heating Unit Installed Parallel to Air Handler Unit NOTE: NOTE: Use of Furnace as a Construction Heater Installed in Combination with a Cooling Coil DO NOT USE THE UNIT FOR CONSTRUCTION HEAT UNLESS ALL OF THE FOLLOWING CRITERIA ARE MET: 507276-05C mrcool.com Page 5 of 57...
  • Page 7 • • NOTE: • • • CAUTION COMPONENT FAILURE AS A RESULT OF FAILURE TO Combustion, Dilution & Ventilation Air NOTE: In Non-Direct Vent Installations, combustion air is General • • • Page 6 of 57 mrcool.com 507276-05C...

  • Page 8: Warning

    WARNING • • • • • • • • • • • • • CAUTION Air from Inside 507276-05C mrcool.com Page 7 of 57...
  • Page 9 1 square inch per 4,000 Btu (645mm per 1.17kW) per Figure 6. hour of the total input rating of all other equipment in the enclosure. Outside (Inlet Air from Crawl Space and Outlet Air to Figure 8. Ventilated Attic) Outside Page 8 of 57 mrcool.com 507276-05C...
  • Page 10 Coupling or *Intake Debris Screen Provided 3 in. to 2 in. Transition (Field Provided) * See Maximum Vent Lengths table NOTE Figure 10. (Inlet Air from Ventilated Crawl Space and Outlet Air to Outside) 507276-05C mrcool.com Page 9 of 57...
  • Page 11 †Allow proper clearances to accommodate condensate trap. ‡For installations on a combustible oor, do not install the furnace directly on carpeting, tile or other combustible materials other than wood ooring. Figure 13. Installation Clearances Page 10 of 57 mrcool.com 507276-05C...
  • Page 12 Return Air Guidelines Figure 14. Side Return Air (with Transition and Filter) Figure 15. Optional Return Air Base 507276-05C mrcool.com Page 11 of 57...
  • Page 13 ‡For installations on a combustible oor, do not install the furnace directly on carpeting, tile or other combustible materials other than wood ooring. Figure 18. Installation Clearances Horizontal Applications Suspended Installation of Horizontal Unit Figure 17. Figure 19. Typical Horizontal Application Page 12 of 57 mrcool.com 507276-05C...
  • Page 14 NOTE: Filter Size Furnace Cabinet Width Side Return Bottom Return Platform Installation of Horizontal Unit Table 1. Duct System NOTE: Supply Air Plenum Return Air Plenum NOTE: Figure 20. Return Air - Horizontal Applications 507276-05C mrcool.com Page 13 of 57...
  • Page 15 F891 CAUTION F628 (Pipe) ASTM PRIMER & SOLVENT CEMENT IMPORTANT SPECIFICATION MGM95*E F656 CANADA PIPE & FITTING & SOLVENT MARKING CEMENT ULCS636 POLYPROPYLENE VENTING SYSTEM ULC-S636 ULC-S636 Canadian Applications Only ULC-S636 Table 2. mrcool.com 507276-05C...
  • Page 16 Concentric Kit Capacity PIPE DIA. (Dia. X Length) (Dia. X Length) (in.) 71M80 69M29 60L46 51W11** +44W92++ +44W92++ 44W93+ Table 3. Outdoor Termination Kits Usage Joint Cementing Procedure NOTE: NOTE: DANGER DANGER OF EXPLOSION! 507276-05C mrcool.com Page 15 of 57...
  • Page 17 NOTE: WARNING CARBON MONOXIDE POISONING HAZARD Venting Practices Figure 21. Removal of the Furnace from Common Vent Page 16 of 57 mrcool.com 507276-05C...

  • Page 18: Mrcool, Llc

    Without the heat of the original furnace flue products, the existing vent pipe MRCOOL, LLC is probably oversized for the single water heater or other appliance. The vent should be checked for proper draw with the remaining appliance.
  • Page 19 135 ** Which needs most Intake or Table 4. elbows? Exhaust? How many? 2”, 2-1/2” Desired pipe size? or 3” What is the altitude? Use Table 5 to find max pipe length. Figure 24. Page 18 of 57 mrcool.com 507276-05C...
  • Page 20 MG*M95SE*XA Maximum Allowable Intake or Exhaust Vent Length in Feet Number Capacity Capacity Capacity Capacity of 90° Elbows Used Number Capacity Capacity Capacity Capacity of 90° Elbows Used Table 5A. 507276-05C mrcool.com Page 19 of 57...
  • Page 21 Maximum Allowable Intake or Exhaust Vent Length in Feet MG*M95SE*XA Number Capacity Capacity Capacity Capacity of 90° Elbows Used Number Capacity Capacity Capacity Capacity of 90° Elbows Used Table 5B. Page 20 of 57 mrcool.com 507276-05C...
  • Page 22 Maximum Allowable Exhaust Vent Lengths with Furnace Installed in a Closet or Basement Using Ventilated Attic or Crawl Space for Intake Air in Feet Number Capacity Capacity Capacity Capacity of 90° Elbows Used Number Capacity Capacity Capacity Capacity of 90° Elbows Used Table 5C. 507276-05C mrcool.com Page 21 of 57...
  • Page 23 Figure 25. Figure 26. Page 22 of 57 mrcool.com 507276-05C...
  • Page 24 Figure 27. Figure 28. Intake Piping 507276-05C mrcool.com Page 23 of 57...
  • Page 25 Inlet Air Roof Terminated (Minimum 12 in. Exhaust Pipe (305mm) above Attic Floor) *Intake Debris Screen (Provided) Furnace * See Maximum Vent Lengths table NOTE: Figure 30. Figure 31. (Inlet Air from Ventilated Attic and Outlet Air to Outside) mrcool.com 507276-05C...
  • Page 26 Transition (Field Provided) * See Maximum Vent Lengths table NOTE: IMPORTANT Figure 32. (Inlet Air from Ventilated Crawl Space and Outlet Air to Outside) General Guidelines for Vent Terminations IMPORTANT For Canadian Installations Only: 507276-05C mrcool.com Page 25 of 57...
  • Page 27 Unit Input Size Vent Pipe Winter Design Temperatures ºF (ºC) Diameter Table 6. Conditioned Space Exhaust Pipe Pipe Insulation Intake Conditioned Pipe Unconditioned Space Space Figure 33. Insulating Exhaust Pipe in an Unconditioned Space Page 26 of 57 mrcool.com 507276-05C...
  • Page 28 ‡ Permitted only if veranda, porch, deck or balcony is fully open on a minimum of two sides beneath the floor. HVAC Distributing recommends avoiding this location if possible. Figure 34. 507276-05C mrcool.com Page 27 of 57...
  • Page 29 ‡ Permitted only if veranda, porch, deck or balcony is fully open on a minimum of two sides beneath the floor. HVAC Distributing recommends avoiding this location if possible. Figure 35. Vent Termination Clearances for Direct Installations Page 28 of 57 mrcool.com 507276-05C...
  • Page 30 FOR INTAKE AND EXHAUST LINES Figure 36. Direct Vent Roof Termination Kit (15F75 or 44J41) Figure 37. Termination Capacity Exhaust Pipe Size Pipe Size Figure 38. Table 7. Exhaust Pipe Termination Size Reduction NOTE: 507276-05C mrcool.com Page 29 of 57...
  • Page 31 Exhaust pipe 45° elbow can be rotated to the side away from the combustion air inlet to direct exhaust away from adjacent property. The exhaust must never be directed toward the combustion air inlet. Figure 39. Page 30 of 57 mrcool.com 507276-05C...
  • Page 32 3” - 8” (76MM- 203MM) INSULATE EXTERIOR TO FORM PORTION OF SEAL CHIMNEY * SIZE TERMINATION PIPE PER EXHAUST PIPE TERMINATION SIZE REDUCTION TABLE Figure 44. Direct Vent Application Using Existing Figure 41. Chimney 507276-05C mrcool.com Page 31 of 57...
  • Page 33 INSULATE TO FORM EXTERIOR PORTION OF SEAL CHIMNEY SIZE TERMINATION * SIZE TERMINATION PIPE PER EXHAUST PIPE PER EXHAUST PIPE TERMINATION TERMINATION SIZE REDUCTION TABLE SIZE REDUCTION TABLE Figure 48. Figure 46. Chimney Termination Page 32 of 57 mrcool.com 507276-05C...
  • Page 34 (51W18 Only) Assembled Incorrectly Figure 49. 24” max. Downflow Furnace Exhaust * Kit 51W18 is shown. Basement Floor To Termination KIT 51W18 (USA) KIT 15Z70 (Canada) 1/2” PVC to Code-Approved Drain NOTE: NOTE: Figure 51. 507276-05C mrcool.com Page 33 of 57...
  • Page 35 Condensate Piping NOTE: NOTE: CAUTION Figure 52. NOTE: CAUTION mrcool.com 507276-05C...
  • Page 36 Figure 53. Condensate Trap Locations Figure 54. Switch WARNING 507276-05C mrcool.com Page 35 of 57...
  • Page 37 Figure 55. Condensate Trap Locations Figure 56. Unit with Cooling Coil Using Separate Figure 57. Evaporator Coil Using a Common Drain Drain Figure 58. Evaporator Coil Using a Common Drain Page 36 of 57 mrcool.com 507276-05C...
  • Page 38 Figure 59. 507276-05C mrcool.com Page 37 of 57...

  • Page 39: Gas Piping

    Gas Piping IMPORTANT CAUTION Leak Check WARNING IMPORTANT Figure 60. IMPORTANT NOTE: WARNING FIRE OR EXPLOSION HAZARD Page 38 of 57 mrcool.com 507276-05C...
  • Page 40 Figure 61. Gas Piping Figure 62. Gas Piping Horizontal Applications 507276-05C mrcool.com Page 39 of 57...
  • Page 41 1180 3950 2750 2200 1900 1680 1520 1300 1220 1150 6300 3520 3000 2650 2250 2050 1950 1850 11000 7700 6250 5300 3900 3700 3250 23000 15800 12800 10900 9700 9700 8100 7500 7200 6700 NOTE Table 8. mrcool.com 507276-05C...
  • Page 42 Electrical ELECTROSTATIC DISCHARGE (ESD) Precautions and Procedures CAUTION NOTE: Figure 63. NOTE: Accessory Terminals Figure 64. 507276-05C mrcool.com...
  • Page 43 Indoor Blower Speeds • Figure 65. • • • Figure 66. Typical Field Wiring Diagram mrcool.com 507276-05C...
  • Page 44 E045B3 E070B3 E090C4 E110C5 E135D5 Figure 67. Typical Wiring Diagram 507276-05C mrcool.com...
  • Page 45 Terminal Designations LINE CIRC COOL NEUTRALS Figure 68. Integrated Control (Automatic Hot Surface Ignition System) CAUTION FOR YOUR SAFETY READ BEFORE OPERATING WARNING BEFORE LIGHTING WARNING Placing the Furnace into Operation mrcool.com 507276-05C...
  • Page 46 Priming Condensate Trap Figure 69. NOTE: WARNING Turning Off Gas to Unit Gas Valve Operation See Figure 69 STOP! Failure To Operate STOP! Heating Sequence Of Operation 507276-05C mrcool.com...
  • Page 47 Dial Dial Dial -110 NOTE: -135 Table 9. Gas Meter Clocking Chart Proper Combustion Capacity % for Nat % for L.P. NOTE: Table 10. Manifold Pressure in. w.g. Supply Line Pressure Capacity in. w.g. Propane NOTE Table 11. mrcool.com 507276-05C...
  • Page 48 High Altitude Information NOTE: Capacity High Altitude Natural Burner Propane Burner Propane Natural 73W80* 51W01 Pressure Switch Requirements at Varying Altitudes Capacity 10U93 11U70 10U93 10U93 11U70 10U93 Table 12. 507276-05C mrcool.com...
  • Page 49 WARNING CARBON MONOXIDE POISONING HAZARD Do not operate a summer exhaust fan mrcool.com 507276-05C...
  • Page 50 Other Unit Adjustments Primary Limit Flame Rollout Switches (Two) Pressure Switch Figure 70. Electrical Temperature Rise Blower Speeds Fan Control NOTE: Constant Torque Motor Electronic Ignition Thermostat Heat Anticipation 507276-05C mrcool.com...
  • Page 51 Watts Watts Watts in. w.c. 1505 1370 1285 1135 1695 1325 1090 1660 1290 1195 1615 1390 1590 1350 1200 1110 1560 1310 1155 1055 1525 1255 1105 1005 1220 1065 1170 1010 NOTE Page 50 of 57 mrcool.com 507276-05C...
  • Page 52 1025 2035 1605 1395 2230 1010 1590 1375 2185 1010 2020 1815 1565 1330 2170 1025 2000 1795 1580 1335 1736 1520 1310 1935 1725 1520 1295 1890 1715 1285 1880 1705 1260 NOTE 507276-05C mrcool.com Page 51 of 57...
  • Page 53 Allowable Circulation Speeds Model Yellow Blue Brown Black Table 14. Service Exhaust and Air Intake Pipes WARNING ELECTRICAL SHOCK, FIRE, OR EXPLOSION HAZARD. NOTE: Electrical Winterizing and Condensate Trap Care Blower Cleaning Heat Exchanger WARNING Filters Page 52 of 57 mrcool.com 507276-05C...
  • Page 54 507276-05C mrcool.com Page 53 of 57...
  • Page 55 Cleaning the Burner Assembly mrcool.com 507276-05C...
  • Page 56 Return air duct Operating performance Fresh air grilles and louvers Combustion gases Burners Vent pipe Unit appearance Instruct the homeowners to pay attention to their furnace. Blower access door Red LED Flash Code NOTE Table 15. 507276-05C mrcool.com Page 55 of 57...
  • Page 57 Cabinet Parts Heating Parts • • • • • Top Cap • • Control Panel Parts • • Transformer • • • • • Blower Parts • • • • • • • • Page 56 of 57 mrcool.com 507276-05C...
  • Page 58 A copy of all installation instructions for all Product equipment, all venting instructions, all parts lists instructions shall remain with the appliance or equipment at the completion of the installation. GAS VENT DIRECTLY BELOW. KEEP CLEAR OF ALL OBSTRUCTIONS. 507276-05C mrcool.com Page 57 of 57...
  • Page 59 Signature Series MGM*95SE*XA Gas Furnace ELECTRICIAN and/or HVAC TECHNICIAN: LICENSE #: INSTALLATION DATE: INSTALLATION LOCATION: SERIAL NUMBER: The design and specifications of this product and/or manual are subject to change without prior notice. Consult with the sales agency or manufacturer for details.

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