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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
MGD*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 MGD*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

    This manual must be left with the homeowner for future reference. Table of Contents Unit Dimensions Parts Arrangement Gas Furnace Safety Information Duct System WARNING CAUTION *P507277-03C* Manufactured By MRCOOL,LLC Hickory, KY 42051 (P) 507277-03C Save these instructions for future reference 507277-03C mrcool.com Page 1 of 53...

  • Page 3: Unit Dimensions

    (Either Side) 9 1/8 (232) Right 6 9/16 (167) Left 6 1/2 (165) (229) Either Side Supply Supply (19) (19) 19 1/4 (489) (19) FRONT VIEW Capacity 045-3 17-1/2 16-3/8 070-4 090-4 19-7/8 19-1/2 110-5 Page 2 of 53 mrcool.com 507277-03C...

  • Page 4: Parts Arrangement

    BAG ASSEMB LY BLOWERMOTOR (hidden) BLOWER COMPARTMENT ACCESS PANEL COMBUSTION AIR INDUCER BLOWERDECK HEATING PRIMARY LIMIT COMPARTMENT ACCESS PANEL COLDENDHEADERBOX HEAT EXCHANGER GAS VALVE BURNERBOX ASSEMB LY (include senso r, rolloutswitchesand ignitor) Figure 1. 507277-03C mrcool.com Page 3 of 53...

  • Page 5: Gas Furnace

    Shipping and Packing List 1 - Wire tie 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. Building Codes Page 4 of 53 mrcool.com 507277-03C...
  • Page 6 Installed in Combination with a Cooling Coil Use of Furnace as a Construction Heater DO NOT USE THE UNIT FOR CONSTRUCTION HEAT UNLESS ALL OF THE FOLLOWING CRITERIA ARE MET: HEAT or COOL Quincy, MA 02269 507277-03C mrcool.com Page 5 of 53...
  • Page 7 NOTE: In Non-Direct Vent Installations, combustion air is NOTWITHSTANDING THE FOREGOING, INSTALLER IS RESPONSIBLE FOR CONFIRMING THAT THE USE OF CONSTRUCTION HEAT IS CONSISTENT WITH THE POLICIES AND CODES OF ALL REGULATING General • • • Page 6 of 53 mrcool.com 507277-03C...
  • Page 8 WARNING CAUTION • • • • • • • • • • • • • Air from Inside 507277-03C mrcool.com Page 7 of 53...
  • Page 9 1 square inch per 4,000 Btu (645 m per 1.17 kW)per hour of the to tal input rating of all other equipment in the enclosure Figure 5. Outside Figure 7. Outside Page 8 of 53 mrcool.com 507277-03C...
  • Page 10 4,000 Btu (645mm per 1.17kW) per hour of the total input rating of all equipment in the enclosure. Figure 9. (Inlet Air from Ventilated Crawl Space and Outlet Air to Outside) Figure 10. NOTE: CAUTION WARNING 507277-03C mrcool.com Page 9 of 53...
  • Page 11 ‡Thefurnace may be installed on a combustible wood oorif an optional Figure 12. additive base is install WARNING Figure 13. Clearances See Figure 14 Front to Rear Side to Side Cabinet Width 19-3/4 16-5/8 19-3/4 20-1/8 NOTE Table 1. Page 10 of 53 mrcool.com 507277-03C...
  • Page 12 Catalog Width Number COOLING COIL PROPERLY 11M60 18-3/4 SIZED FLOOR OPENING PLENUM 11M61 22-3/4 (21”) Table 2. FURNACE Figure 16. SUPPLY AIR PLENUM PROPERLY COMBUSTIBLE SIZED FLOOR FLOORING BASE OPENING COMBUSTIBLE FLOORING Figure 15. 507277-03C mrcool.com Page 11 of 53...

  • Page 13: Duct System

    PRIMER & SOLVENT CEMENT SPECIFICATION Duct System F656 D2564 F493 D2235 D2564, D2235, F493 NOTE: D3138 Cement CANADA PIPE & FITTING & SOLVENT MARKING CEMENT ULCS636 Supply Air Plenum POLYPROPYLENE VENTING SYSTEM ULC-S636 ULC-S636 ULC-S636 Table 4. Page 12 of 53 mrcool.com 507277-03C...
  • Page 14 Outdoor Exhaust Vent Pipe Accelerator Accelerator Concentric Concentric Concentric Capacity Dia. (Dia. x Length) (Dia. x Length) (in.) 71M80 69M29 60L46 51W11** †44W92†† †44W92†† 44W93† 2-1/2 2-1/2 2-1/2 2-1/2 Table 5. Outdoor Termination Kits Usage 507277-03C mrcool.com Page 13 of 53...
  • Page 15 The vent should be checked for proper draw with the remaining appliance. Figure 20. Exhaust Piping See Figure 22 Page 14 of 53 mrcool.com 507277-03C...
  • Page 16 2”, 2-1/2” Desired pipe size? or 3” What is the altitude? Use Table 7 to find Capacity Min. Vent Length* max pipe length. 045, 070, 090, 110 Figure 21. Table 6. Minimum Vent Pipe Length 507277-03C mrcool.com Page 15 of 53...
  • Page 17 Maximum Allowable Intake or Exhaust Vent Length in Feet Number of 90 Capacity Capacity Capacity Capacity Elbows Used Number of 90 Capacity Capacity Capacity Capacity Elbows Used Table 7. Page 16 of 53 mrcool.com 507277-03C...
  • Page 18 * When transitioning up in pipe size, use the shortest length of 2” PVC pipe possible. NOTE: Exhaust pipe and intake pipe must be the same diameter. Figure 22. Typical Exhaust Pipe Connections 507277-03C mrcool.com Page 17 of 53...
  • Page 19 INTAKE SCREEN (Provided) NOTE: Air intake screen and elbow may be ro tated, so that scree n may be positioned to face forward or to either side Figure 24. Typical Air Intake Pipe Connections Page 18 of 53 mrcool.com 507277-03C...
  • Page 20 Maximum Allowable Exhaust Vent Pipe Length (in ft.) without Insulation in Unconditioned Space for Winter Design Winter Design Temperatures Vent Pipe ºF (ºC) Diameter 32 to 21 (0 to -6) 20 to 1 (-7 to -17) 0 to -20 (-18 to -29) NOTE NOTE NOTE Table 9. 507277-03C mrcool.com Page 19 of 53...
  • Page 21 General Guidelines for Vent Terminations NOTE: NOTE: IMPORTANT IMPORTANT For Canadian Installations Only Page 20 of 53 mrcool.com 507277-03C...
  • Page 22 ‡ 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 27. Vent Termination Clearances 507277-03C mrcool.com Page 21 of 53...
  • Page 23 ‡ 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 28. Vent Termination Clearances For Direct Vent installations in the USA and Canada Page 22 of 53 mrcool.com 507277-03C...
  • Page 24 Figure 30. Flush Mount Side Wall Termination Termination Pipe Capacity *045 and *070 1-1/2” (38 mm) 2” (51 mm), 2-1/2” (64 mm), 3” (76 mm) *090 2” (51 mm) 3” (76 mm) Table 10. NOTE: 507277-03C mrcool.com Page 23 of 53...
  • Page 25 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 31. Page 24 of 53 mrcool.com 507277-03C...
  • Page 26 CLAMP FIELD−PROVIDED REDUCE R MAY BEREQUIRE D TO ADAPT LARGER VEN T PIPE SIZE TO TERMIN ATION Figure 37. Direct Vent Concentric Rooftop Figure 34. Direct Vent Application Using Existing Termination Chimney 507277-03C mrcool.com Page 25 of 53...
  • Page 27 FOR EXHAUST LINES * SIZE TERMINATION PIPE PER EXHAUST PIPE TERMINATION Figure 38. SIZE REDUCTION TABLE (15F75 or 44J41) NOTE Figure 41. Chimney SIZE TERMINATION PER EXHAUST PIPE TERMINATION SIZE REDUCTION TABLE Figure 39. Termination Page 26 of 53 mrcool.com 507277-03C...
  • Page 28 (51W18 Only) Assembled Incorrectly Figure 42. 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 44. 507277-03C mrcool.com Page 27 of 53...
  • Page 29 Condensate Piping NOTE: Figure 45. Condensate Trap and Plug Locations CAUTION Do Not Figure 46. Condensate Trap Location (shown with right side exit of condensation) Page 28 of 53 mrcool.com 507277-03C...
  • Page 30 Figure 47. Unit with Evaporator Coil Figure 48. Evaporator Coil Using a Common Drain CAUTION DO NOT IMPORTANT Figure 49. Switch 507277-03C mrcool.com Page 29 of 53...
  • Page 31 Figure 50. Page 30 of 53 mrcool.com 507277-03C...

  • Page 32: Warning

    Gas Piping IMPORTANT CAUTION Leak Check WARNING Do Not MANUAL MAIN SHUT−OFF FURNACE VALVE WILLNOTHOLD NORMALTESTPRESSURE ISOLATE 1/8" N.P.T. PLUGGED TAP GAS VALVE Figure 51. IMPORTANT IMPORTANT WARNING NOTE: 507277-03C mrcool.com Page 31 of 53...
  • Page 33 2-1/2 6300 4350 3520 3000 2650 2400 2250 2050 1950 1850 11000 7700 6250 5300 4750 4300 3900 3700 3450 3250 23000 15800 12800 10900 9700 9700 8100 7500 7200 6700 NOTE Table 11. Page 32 of 53 mrcool.com 507277-03C...
  • Page 34 Removal of the Furnace from Common Vent WARNING 507277-03C mrcool.com Page 33 of 53...
  • Page 35 Electrical ELECTROSTATIC DISCHARGE (ESD) NOTE: Precautions and Procedures CAUTION MAKE−UP BOX INSIDE Left side CABINET NOTE: Figure 53. Accessory Terminals MAKE−UP OUTSIDE CABINET Right Side Figure 54. (Field Provided Right Side) Page 34 of 53 mrcool.com 507277-03C...
  • Page 36 Thermos tat Furnac e Condensing Unit *CONDENSING POWER HEAT CONDENSING COOLING INDOORBLOWER • CONDENSING COMMON • Figure 55. Furnace & Condensing Unit Thermostat • Designations • Figure 56. Typical Field Wiring Diagram 507277-03C mrcool.com Page 35 of 53...
  • Page 37 E045B3 E070B4 E090C4 E110C5 Figure 57. Typical Wiring Diagram Page 36 of 53 mrcool.com 507277-03C...
  • Page 38 CIRC COOL HEAT PARK NEUTRALS 24 COM HUM 24 Figure 58. Integrated Control (Automatic Hot Surface Ignition System) CAUTION FOR YOUR SAFETY READ BEFORE OPERATING WARNING BEFORE LIGHTING WARNING Placing the Furnace into Operation 507277-03C mrcool.com Page 37 of 53...
  • Page 39 PRESSURE PRESSURE ADJUSTMENT OUTLET SCREW (UNDER CAP) INLET PRESSURE PORT Figure 59. Turning Off Gas to Unit WARNING Failure to Operate Gas Valve Operation See Figure 59 STOP! Heating Sequence of Operation STOP! NOTE: Page 38 of 53 mrcool.com 507277-03C...
  • Page 40 -110 -135 Table 12. Unit % for Nat % for L.P. NOTE: Table 13. High Altitude Information NOTE: Supply Pressure Measurement Manifold Pressure in. w.g. Supply Line Pressure Capacity in. w.g. NOTE Table 14. 507277-03C mrcool.com Page 39 of 53...
  • Page 41 Capacity High Altitude Natural Burner Propane Burner Propane Natural 11K50† 73W80* 51W01 11K45† Pressure Switch Requirements at Varying Altitudes Capacity 11J09 11J12 10U93 11U70 10U93 11J12 10U93 11U70 10U93 Table 15. Page 40 of 53 mrcool.com 507277-03C...
  • Page 42 WARNING Do not operate a summer exhaust fan. 507277-03C mrcool.com Page 41 of 53...
  • Page 43 180 Second Flame Rollout Switches (Two) o Time o Time o Time o Time Pressure Switch Figure 60. Electrical Temperature Rise Blower Speeds Fan Control NOTE: Constant Torque Motor Electronic Ignition Thermostat Heat Anticipation Page 42 of 53 mrcool.com 507277-03C...
  • Page 44 1290 1180 1745 1510 1365 1265 1120 1685 1455 1310 1220 1080 1630 1415 1285 1165 1035 1620 1370 1245 1125 1570 1335 1185 1080 1540 1295 1145 1045 1260 1110 1210 1060 NOTE 507277-03C mrcool.com Page 43 of 53...
  • Page 45 Factory Setting 090-4 Factory Setting 110-5 Factory Setting Table 16. Allowable Circulation Speeds Model Yellow Blue Brown Black Factory Setting Table 17. Exhaust and Air Intake Pipe WARNING ELECTRICAL SHOCK, FIRE, OR EXPLOSION Service Page 44 of 53 mrcool.com 507277-03C...
  • Page 46 Blower WARNING NOTE: Filters Exhaust and Air Intake Pipes NOTE: Electrical Cleaning Heat Exchanger 507277-03C mrcool.com Page 45 of 53...
  • Page 47 Planned Service Fresh air grilles and louvers Burners Vent pipe Unit appearance Blower access door Cleaning the Burner Assembly Return air duct Operating performance Combustion gases Instruct the homeowners to pay attention to their furnace. Page 46 of 53 mrcool.com 507277-03C...
  • Page 48 Red LED Flash Code LED Off Not used NOTE Table 18. Red LED Flash Code LED Off Not used NOTE Table 19. 507277-03C mrcool.com Page 47 of 53...
  • Page 49 Troubleshooting: Heating Sequence of Operation Page 48 of 53 mrcool.com 507277-03C...
  • Page 50 Troubleshooting: Heating Sequence of Operation (continued) 507277-03C mrcool.com Page 49 of 53...
  • Page 51 Troubleshooting: Cooling Sequence of Operation Page 50 of 53 mrcool.com 507277-03C...
  • Page 52 Troubleshooting: Continuous Fan Sequence of Operation 507277-03C mrcool.com Page 51 of 53...
  • Page 53 Heating Parts • • • • • • • Control Panel Parts • • Transformer • • • • • Blower Parts • Ignitor • • • Motor • • Motor Mounting Frame • • Page 52 of 53 mrcool.com 507277-03C...
  • Page 54 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.” 507277-03C mrcool.com Page 53 of 53...
  • Page 55 Signature Series MGD*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.

This manual is also suitable for:

Mgd 95se xa seriesMgd95se045b3xaMgd95se070b4xaMgd95se090c4xaMgd95se110c5xa