1. Manuals
  2. Brands
  3. Blue Summit Manuals
  4. Furnace
  5. BG951UHE
  6. Installation instructions manual

Blue Summit BG951UHE Installation Instructions Manual

Warm air gas furnace
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Upflow/Horizontal Left and Right Air Discharge
This is a safety alert symbol and should never be ignored. When you see this symbol on labels or in
manuals, be alert to the potential for personal injury or death.
Unit Dimensions ..........................................................2
Parts Arrangement.......................................................3
Gas Furnace ................................................................4
Shipping and Packing List ...........................................4
Safety Information .......................................................4
General ........................................................................6
Combustion, Dilution & Ventilation Air .........................6
Installation ...................................................................9
Filters .........................................................................13
Duct System ..............................................................13
Venting Practices .......................................................16
Improper installation, adjustment, alteration, service
or maintenance can cause property damage, personal
injury or loss of life. Installation and service must be
performed by a licensed professional installer (or
equivalent), service agency or the gas supplier.
Manufactured By
Blue Summit LLC
8201 C National Turnpike
Louisville, KY 40214
507276-04B
INSTALLATION INSTRUCTIONS
BG951UHE
Warm Air Gas Furnace
This manual must be left with the homeowner for future reference.

Table of Contents

WARNING
Save these instructions for future reference
Condensate Piping ....................................................34
Gas Piping .................................................................38
Electrical ....................................................................41
Unit Start-Up ..............................................................44
Air for Non-Direct Vent Applications ..........................48
Other Unit Adjustments..............................................49
Blower Performance ..................................................50
Service.......................................................................52
Planned Service ........................................................54
Repair Parts List ........................................................55
As with any mechanical equipment, personal injury can
result from contact with sharp sheet metal edges. Be
careful when you handle this equipment.
*P507276-04B*
Issue 1904
CAUTION
(P) 507276-04B
Page 1 of 56

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the BG951UHE and is the answer not in the manual?

Questions and answers

Related Manuals for Blue Summit BG951UHE

Summary of Contents for Blue Summit BG951UHE

  • Page 1: Table Of Contents

    (or careful when you handle this equipment. equivalent), service agency or the gas supplier. Manufactured By *P507276-04B* Blue Summit LLC 8201 C National Turnpike (P) 507276-04B Louisville, KY 40214 Save these instructions for future reference...

  • Page 2: Unit Dimensions

    Unit Dimensions NOTE - C*20 (5 Ton) size units installed in upflow applications that require air volumes of 1800 cfm (850 L/s) or greater must have one of the following: Single side return air with transition, to accommodate 20 x 25 x 1 in.

  • Page 3: Parts Arrangement

    Parts Arrangement Figure 1. 507276-04B Issue 1904 Page 3 of 56...

  • Page 4: Gas Furnace

    1 - Snap bushing in horizontal or upflow applications with bottom return air. 1 - Snap Plug The BG951UHE can be installed as either a Direct Vent or 1 - Wire tie a Non-Direct Vent gas central furnace. 1 - Condensate trap...
  • Page 5 In order to ensure proper unit operation in non-direct vent applications, combustion and ventilation air supply must be provided according to the current National Fuel Gas Code or CSA-B149 standard. Installation Locations This furnace is CSA International certified for installation clearances to combustible material as listed on the unit nameplate and in the table in Figure 13 and Figure 18.

  • Page 6: General

    FAILURE TO FOLLOW THE ABOVE INSTALLATION INSTRUCTIONS VOIDS MANUFACTURER’S EQUIPMENT LIMITED WARRANTY. BLUE SUMMIT Combustion, Dilution & Ventilation Air DISCLAIMS ALL LIABILITY IN CONNECTION WITH INSTALLER’S FAILURE TO FOLLOW THE ABOVE If this unit is installed as a Non-Direct Vent Furnace, follow INSTALLATION INSTRUCTIONS.
  • Page 7 The requirements for providing air for combustion and ventilation depend largely on whether the furnace is WARNING installed in an unconfined or a confined space. Insufficient combustion air can cause headaches, nausea, dizziness or asphyxiation. It will also cause Unconfined Space excess water in the heat exchanger resulting in rusting An unconfined space is an area such as a basement and premature heat exchanger failure.
  • Page 8 When communicating with the outdoors through horizontal ducts, each opening shall have a minimum free area of 1 square inch (645 mm²) per 2,000 Btu (.56 kW) per hour of the total input rating of all equipment in the enclosure. See Figure 8.

  • Page 9: Installation

    Shipping Bolt Removal Units with 1/2 hp & 3/4 hp blower motor are equipped WARNING with three flexible legs and one rigid leg. The rigid leg is equipped with a shipping bolt and a flat white plastic If this unit is being installed in an application with washer (rather than the rubber mounting grommet used combustion air coming in from a space serviced by an with a flexible mounting leg).
  • Page 10 Tilt the unit slightly (Max. 1/2”) from back to front to aid in the draining of the heat exchanger. Unit must be level side-to-side in all applications. Figure 12. Setting Equipment WARNING Improper installation of the furnace can result in personal injury or death.
  • Page 11 Return Air Guidelines Return air can be brought in through the bottom or either side of the furnace installed in an upflow application. If the furnace is installed on a platform with bottom return, make an airtight seal between the bottom of the furnace and the platform to ensure that the furnace operates properly and safely.
  • Page 12 Right−Hand Discharge Flow Flow Bottom (Floor)** Left−Hand Discharge Flow Flow Bottom (Floor)** Figure 16. Removing the Bottom Panel Top/Plenum 1 in. (25 mm) * Front Removing the Bottom Panel Front* Back Remove the two screws that secure the bottom cap to the Back Sides 0†...

  • Page 13: Filters

    NOTE: Heavy-gauge sheet metal straps may be used to Filters suspend the unit from roof rafters or ceiling joists. When straps are used to suspend the unit in this way, support must be provided for both the ends. The straps must not This unit is not equipped with a filter or rack.
  • Page 14 D2665 Pipe & Fittings) ASTM PRIMER & SOLVENT CEMENT IMPORTANT SPECIFICATION BG951UHE exhaust and intake connections are made PVC & CPVC Primer F656 of PVC. Use PVC primer and solvent cement when PVC Solvent Cement D2564 using PVC vent pipe. When using ABS vent pipe, use...
  • Page 15 STANDARD CONCENTRIC Outdoor Outdoor Exhaust Exhaust Flush Mount 1-1/2" 2" Concentric 3" Concentric VENT Accelerator Accelerator Concentric Kit Capacity PIPE DIA. (Dia. X Length) (Dia. X Length) (in.) 71M80 69M29 60L46 1-1/2" x12" 2" x12" 51W11** +44W92++ +44W92++ 44W93+ 2-1/2" 2-1/2"...

  • Page 16: Venting Practices

    NOTE: Assembly should be completed within 20 seconds after last application of cement. Hammer blows should not WARNING be used when inserting pipe. CARBON MONOXIDE POISONING HAZARD After assembly, wipe excess cement from pipe at end Failure to follow the steps outlined below for each of fitting socket.
  • Page 17 Contact Blue Summit for assistance in sizing vent is probably oversized for the single water heater or pipe in these applications.
  • Page 18 IMPORTANT Do not use screens or perforated metal in exhaust or 045, 070, Furnace capacity? intake terminations. Doing so will cause freeze-ups and 090, 110 may block the terminations. Capacity Min. Vent Length* Standard or 15 ft or 5 ft plus 2 elbows or 045, 070, 090, 110 Which termination? Concentric?
  • Page 19 BG951UHE Maximum Allowable Intake or Exhaust Vent Length in Feet Standard Termination at Elevation 0 - 4,500 ft 2nd Pipe 2-1/2" Pipe 3" Pipe Number of Capacity Capacity Capacity 90° Elbows Used Standard Termination at Elevation 4,501 - 10,000 ft 2nd Pipe 2-1/2"...
  • Page 20 BG951UHE Maximum Allowable Intake or Exhaust Vent Length in Feet Concentric Termination at Elevation 0 - 4,500 ft 2nd Pipe 2-1/2" Pipe 3" Pipe Number of Capacity Capacity Capacity 90° Elbows Used Concentric Termination Elevation 4501 - 10,000 ft 2nd Pipe 2-1/2"...
  • Page 21 Maximum Allowable Exhaust Vent Lengths with Furnace Installed in a Closet or Basement Using Ventilated Attic or Crawl Space for Intake Air in Feet Standard Termination at Elevation 0 - 4,500 ft 2" Pipe 2-1/2" Pipe 3" Pipe Number of Capacity Capacity Capacity...
  • Page 22 Figure 25. Figure 26. Page 22 of 56 Issue 1904 507276-04B...
  • Page 23 Figure 27. Figure 28. Intake Piping 1. Use transition solvent cement or a sheet metal screw to secure the intake pipe to the inlet air connector. Figure 27 through Figure 28 Route piping to outside of structure. Continue with This gas furnace may be installed in either direct vent installation following instructions given in general or non-direct vent applications.
  • Page 24 intake opening (with the protective screen) should always be directed forward or to either side in the upflow position, and either straight out or downward in the horizontal position. The air intake piping must not terminate too close to the flooring or a platform. Ensure that the intake air inlet will not be obstructed by loose insulation or other items that may clog the debris screen.
  • Page 25 NOTE: See Table 6 for maximum allowed exhaust pipe length without insulation in unconditioned space during Roof Terminated winter design temperatures below 32°F (0°C). If required Exhaust Pipe exhaust pipe should be insulated with 1/2” (13 mm) Armaflex or equivalent. In extreme cold climate areas, 3/4”...
  • Page 26 Maximum Allowable Exhaust Vent Pipe Length (in ft.) without Insulation in Unconditioned Space For Winter Design Temperatures Single - Stage High Efficiency Furnace Unit Input Size Vent Pipe Winter Design Temperatures ºF (ºC) Diameter 2 in. 32 to 21 (0 to -6) 2-1/2 in.
  • Page 27 ‡ Permitted only if veranda, porch, deck or balcony is fully open on a minimum of two sides beneath the floor. Blue Summit recommends avoiding this location if possible. Figure 34. Vent Termination Clearances for Non-Direct Installations...
  • Page 28 ‡ Permitted only if veranda, porch, deck or balcony is fully open on a minimum of two sides beneath the floor. Blue Summit recommends avoiding this location if possible. Figure 35. Vent Termination Clearances for Direct Installations...
  • Page 29 Details of Intake and Exhaust Piping 3” (76MM) MIN. SIZE PER EXHAUST PIPE Inches (MM) Terminations for Direct Vent Installations TERMINATION SIZE NOTE: In Direct Vent installations, combustion air is taken REDUCTION TABLE from outdoors and flue gases are discharged to outdoors. UNCONDITIONED ATTIC SPACE 8”...
  • Page 30 FIELD FABRICATED WALL TERMINATION NOTE − FIELD−PROVIDED REDUCER MAY BE 2” (51mm) 3” (76mm) REQUIRED TO ADAPT LARGER VENT PIPE SIZE Vent Pipe Vent Pipe TO TERMINATION A− Minimum clearance above grade or average 12” (305 mm) 12” (305 mm) snow accumulation B−...
  • Page 31 On field supplied terminations, a minimum distance between the end of the exhaust pipe and the end of the intake pipe without a termination elbow is 8” and a minimum distance of 6” with a termination elbow. See Figure 39. If intake and exhaust piping must be run up a side wall to position above snow accumulation or other obstructions, piping must be supported every 24”...
  • Page 32 Details of Exhaust Piping Terminations for Non- If exhaust piping must be run up a sidewall to position above snow accumulation or other obstructions, piping Direct Vent Applications must be supported every 24” (610 mm) as shown in Exhaust pipes may be routed either horizontally through Figure 47.
  • Page 33 Exhaust through Crawl Space Vent Option All 33” condensing gas furnaces (92%+) are now approved Exhaust from to be vented down through a crawl space. Ensure a vent Furnace pipe drain kit, 51W18 (USA) or 15Z70 (Canada), is used as To Termination directed through the floor joists and into the crawl space.

  • Page 34: Condensate Piping

    Figure 55 and Figure 56 show the furnace and Condensate Piping evaporator coil using a separate drain. If necessary the condensate line from the furnace and evaporator This unit is designed for either right or left side exit of coil can drain together. See Figure 57 and Figure 58. condensate piping in upflow applications.
  • Page 35 * Piping from furnace must slope down a minimum of 1/4” per ft. toward trap. Figure 53. Condensate Trap Locations (Unit shown in upflow position with remote trap) Figure 54. Condensate Trap with Optional Overflow Switch WARNING When combining the furnace and evaporator coil drains together, the A/C condensate drain outlet must be vented to relieve pressure in order for the furnace pressure switch to operate properly.
  • Page 36 * Piping from furnace must slope down a minimum of 1/4” per ft. toward trap. Figure 55. Condensate Trap Locations Figure 56. Unit with Cooling Coil Using Separate Figure 57. Evaporator Coil Using a Common Drain Drain Piping from furnace and evaporator coil must slope down a minimum 1/4” per ft. toward trap. Figure 58.
  • Page 37 Figure 59. Trap / Drain Assembly Using 1/2” PVC or 3/4” PVC 507276-04B Issue 1904 Page 37 of 56...

  • Page 38: Gas Piping

    Gas Piping IMPORTANT Compounds used on threaded joints of gas piping must be resistant to the actions of liquified petroleum gases. CAUTION If a flexible gas connector is required or allowed by the authority that has jurisdiction, black iron pipe shall Leak Check be installed at the gas valve and extend outside the After gas piping is completed, carefully check all piping...
  • Page 39 Figure 61. Gas Piping Upflow Applications Figure 62. Gas Piping Horizontal Applications 507276-04B Issue 1904 Page 39 of 56...
  • Page 40 Gas Pipe Capacity - FT³/HR (kL/HR) Nominal Length of Pipe - feet (m) Internal Iron Pipe Diameter Size - - inches inches (3.048) (6.096) (9.144) (12.192) (15.240) (18.288) (21.336) (24.384) (27.432) (30.480) (mm) (mm) .622 (12.7) (17.799) (4.96) (3.40) (2.75) (2.32) (2.07) (1.87)

  • Page 41: Electrical

    The unit is equipped with a field makeup box. The makeup Electrical box may be moved to the right side of the furnace to facilitate installation. Seal unused openings on left side with plugs removed from right side. Secure the excess wire ELECTROSTATIC DISCHARGE (ESD) to the existing harness to protect it from damage.
  • Page 42 use an external relay. See Figure 68 for control board Install the room thermostat according to the instructions configuration. This terminal is energized in the heating provided with the thermostat. See Figure 65 for thermostat mode when the combustion air inducer is operating. designations.
  • Page 43 Figure 67. Typical Wiring Diagram 507276-04B Issue 1904 Page 43 of 56...

  • Page 44: Unit Start-Up

    Terminal Designations 120 HUM Humidifier (120 VAC) LINE Input (120 VAC) XFMR Transformer (120 VAC) CIRC Indoor Blower (120 VAC) Electronic Air Cleaner (120 VAC) COOL Blower - Cooling Speed (24 VAC) HEAT Blower - Heating Speed (24 VAC) Blower - Fan Speed (24 VAC) PARK Dead terminals to park all speed taps NEUTRALS...
  • Page 45 Priming Condensate Trap The condensate trap should be primed with water prior to start-up to ensure proper condensate drainage. Either pour 10 fl. oz. (300 ml) of water into the trap, or follow these steps to prime the trap: Follow the lighting instructions to place the unit into operation.
  • Page 46 Supply Pressure Measurement After a 15 second pre-purge, the hot surface ignitor energizes. When testing supply gas pressure, use the 1/8” N.P.T. After a 20 second ignitor warm-up period, the gas plugged tap or pressure post located on the gas valve to valve solenoid opens.
  • Page 47 * Conversion requires installation of a gas valve regulator spring which is provided with the gas conversion kit. + LP Kits include low line pressure switch. BG951UHE Pressure Switch Requirements at Varying Altitudes 0 - 4500 ft 4501 - 7500 ft...

  • Page 48: Testing For Proper Venting And Sufficient Combustion Air For Non-Direct Vent Applications

    Testing for Proper Venting and Sufficient Combustion Air for Non-Direct Vent Applications Seal any unused openings in the venting system. Visually inspect the venting system for proper size WARNING and horizontal pitch. Determine there is no blockage CARBON MONOXIDE POISONING HAZARD or restriction, leakage, corrosion, or other deficiencies which could cause an unsafe condition.

  • Page 49: Other Unit Adjustments

    Constant Torque Motor Other Unit Adjustments These units are equipped with a constant torque ECM motor. It has a DC motor coupled to an electronic control module both contained in the same motor housing. The Primary Limit motor is programmed to provide constant torque at each of The primary limit is located on the heating compartment the five selectable speeds.

  • Page 50: Blower Performance

    Blower Performance BG951UH045BE12 Performance (Less Filter) External Air Volume / Watts at Various Blower Speeds Static High Medium - High Medium Medium - Low Pressure Watts Watts Watts Watts Watts in. w.c. 0.00 1345 1255 1150 0.10 1305 1225 1105 0.20 1290 1190...
  • Page 51 BG951UH110CE20 Performance (Less Filter) Air Volume / Watts at Various Blower Speeds External Bottom Return Air, Side Return Air with Optional Return Air Base, Return Air from Single Side Return Air - Air volumes in bold require field fabricated transition to Static Both Sides or Return Air from Bottom and One Side.

  • Page 52: Service

    Winterizing and Condensate Trap Care Service 1. Turn off power to the furnace. Have a shallow pan ready to empty condensate water. Remove the clean out cap from the condensate trap WARNING and empty water. Inspect the trap then reinstall the clean out cap.
  • Page 53 19. Remove the primary limit from the vestibule panel. 41. Reconnect flame rollout switch wires. 20. Remove top cap screws to allow top cap to be 42. Reconnect sensor wire and reconnect 2 pin plug from tilted upward to allow clearance for removing heat ignitor.

  • Page 54: Planned Service

    Planned Service A service technician should check the following items Return air duct - Must be properly attached and provide during an annual inspection. Power to the unit must be an air seal to the unit. shut off for safety. Operating performance - Unit must be observed during Fresh air grilles and louvers (on the unit and in the operation to monitor proper performance of the unit and...

  • Page 55: Repair Parts List

    Table 14. Diagnostic Codes for -03 Control Repair Parts List The following repair parts are available through Blue Summit dealers. When ordering parts, include the complete furnace model number listed on the CSA nameplate. All service must be performed by a licensed professional installer (or equivalent), service agency, or gas supplier.
  • Page 56 Requirements for Commonwealth of Massachusetts Modifications to NFPA-54, Chapter 10 INSPECTION. The state or local gas inspector of the side wall, horizontally vented, gas-fueled equipment Revise NFPA-54 section 10.8.3 to add the following shall not approve the installation unless, upon requirements: inspection, the inspector observes carbon monoxide For all side wall, horizontally vented, gas-fueled equipment...

Table of Contents