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PACKAGE UNITS

PACKAGE UNITS. GPG 10 AND 12 SEER. TECHNICAL SUPPORT 888-593-9988. MARK STOKES 713-861-2500 EXT. 630. Model Number Chart. SERIAL NUMBER. 09 is for the month it was built. 0409456678. 04 is for the year it was built. 12 & 10 SEER Packaged Gas Electric . Fits in a standard size Pickup!.

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PACKAGE UNITS

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  1. PACKAGE UNITS GPG 10 AND 12 SEER

  2. TECHNICAL SUPPORT888-593-9988 MARK STOKES 713-861-2500 EXT. 630

  3. Model Number Chart

  4. SERIAL NUMBER 09 is for the month it was built 0409456678 04 is for the year it was built

  5. 12 & 10 SEER Packaged Gas Electric Fits in a standard size Pickup! 47” Wide

  6. 12 & 10 SEER Packaged Gas Electric Cooling Features: • Convenient access panels to the compressor • High-efficiency Scroll and Energy-efficient reciprocating compressor. • Copper tube/aluminum fin coil. • Liquid line filter drier. • Fully charged R-22 system. • Louvered Guard Protection

  7. 10 & 12 SEER Packaged Gas Electric Control Features: • Convenient access panels to the Evaporator coil and control section. • Direct spark ignition system, which includes a microprocessor based control for the entire ignition sequence, all blower operation and all safety circuits. • Diagnostic Indicator provided for trouble shooting system faults.

  8. Design Objectives • 2 – 5 ton Single Phase • 3, 4 & 5 ton Three Phase • 12 &10 SEER Cooling, 80% AFUE Heating • Capable of expansion to higher SEER ratings • Convertible • Easy Access Service Panels Architectural Gray

  9. 12 & 10 SEER Packaged Gas Electric Heating Features: • Convenient access panels to the heating section. • Redundant gas valve, natural gas and easy conversion to propane. • Power-assisted combustion. • L.P. Conversion Kit Available • 12 & 10 SEER units offer a durable, T-140 Aluminized Steel tubular heat exchanger. • California Low Nox Approved

  10. Manufacturing stress including wall-thinning is minimized Wrinkles are placed precisely where we want them Wrinkles promote turbulence to aid heat transfer and efficiency Wrinkle-bend Process We begin with T-140 Aluminized Steel tubes

  11. 1-3/4” diameter fits inside a 1-1/4” diameter Tubes are joined with a proprietary process Velocity of combustion products is optimized Efficiency is maximized Dual-diameter/Muffler-joint We apply a patented process to join tubes

  12. 1,000°F 300°F Tubular Technology Renders Clamshell Obsolete 800°F 1,000°F 300°F 300°F 300°F 110°F • Non-uniform thermal growth • Eyelets can pop • Stress-cracks can form • Tube can grow in length and diameter • Growth is uniform at the cross-section • No opportunity for stress-cracks

  13. INSTALLATION

  14. CLEARENCE FROM COMBUSTIBLE MATERIALS

  15. CURB INSTALLATION

  16. RIGGING

  17. PIPING

  18. CONDENSATE DRAIN

  19. FLUE HOOD & BUG SCREEN

  20. 12 & 10 SEER Packaged Gas Electric McDaniel Metals By Accessories

  21. 10 & 12 SEER Packaged Gas Electric Blower Features: • Convenient access panels to the blower section. • Filter rack included on 12 SEER large (4 &5 ton) chassis. • Easy removal of blower with two screws. • Multi-speed evaporator blower. • Fully insulated with blankets of fiberglass.

  22. 12 & 10 SEER Packaged Gas Electric Base Features: • 042 Aluminized Steel Bottom/Base Pan • 2” High Base Rails Shipped with four panels

  23. DUST COVER INSTALLATION

  24. RECOMMENDED FILTER SIZES

  25. Electrical • 208/230 Volt Power connections and 460 Volt available in 5 Ton Cool only model • Single Phase and Three phase models available • Maximum Over current Protection determined by model

  26. Wiring • All wiring should be made in accordance with the National Electrical Code. • Wire sizes and over current protection should be determined from the unit nameplate ampacity. • Wire sizes should not be smaller than recommended by these two sources. • All exterior wiring must be within approved weatherproof conduit. • The unit must be permanently grounded in accordance with local codes.

  27. HIGH VOLTAGE WIRING

  28. LOW VOLTAGE WIRING

  29. CHECKING THE COMPRESSOR

  30. CHECKING CONTACTOR

  31. CHECKING CAPACITOR

  32. COMPRESSOR NORMINCLATURE

  33. COMPRESSOR DIAGONSTICS

  34. TESTING FOR GROUNDED COMPRESSOR

  35. FLOW RATER

  36. EVACUATION

  37. HEATING SIDE OF GPG

  38. CHECKING GAS PRESSURE Manifold Outlet Gas Pressure Natural…. Min. 3.2” W.C., Max 3.8” W.C. Propane….Min. 9.7” W.C., Max. 10.3” W.C.

  39. CHECKING BURNERS

  40. Burner

  41. BURNER BOX REMOVAL

  42. CHECKING BURNERS

  43. CHECKING LIMIT SWITCH

  44. Pressure Switch Check • Meter on AC Voltage Setting ; between Quick Connect on Pressure Switch and Ground • Prior to Operation check for open side of Pressure Switch (No Voltage Present) • When Pressure Switch Closes 24 Volts should be present on N/O side • Issue: Watch for switch bounce on windy days • Issue: Watch for P.S. drop-out for low pressure

  45. CHECKING PRESSURE SWITCH

  46. CHECKING PRESSURE SWITCH

  47. PRESSURE SWITCH

  48. INDUCED DRAFT BLOWER

  49. Understanding ECM Motors

  50. Understanding ECM Motors • What does ECM mean? • How does the ECM work? • Variable Speed vs Constant Volume. • What is PWM • How does the ECM sense static pressure? • Troubleshooting ECM motors.

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