York G8C05012MUB12 Technical Manual
Also see for G8C05012MDB12: Technical guide
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TECHNICAL GUIDE80 AFUEMULTI-POSITIONGAS FURNACESMODELS: G8C SERIES4-POSITION50-125 MBH INPUT3-POSITION150 MBH INPUTEFFICIENCYRATINGCERTIFIED036-21120-002 Rev. A (1102)FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE®DESCRIPTIONThese compact units (31-1/2" high) employ induced combus-tion, reliable electronic ignition and high heat transfer heatexchangers. The units may be factory shipped for upflow/hor-izontal application and converted for downflow application.These units may also be factory shipped for downflow appli-cation and converted for upflow/horizontal applicationsNote: The 150 MBH input model is upflow/horizontal only andmay not be converted to the downflow position.These furnaces are designed for residential installation in abasement, closet, alcove, attic, or garage. All units are factoryassembled, wired and tested to assure safe dependable andeconomical installation and operation.These units are Category I listed and may be common ventedwith another gas appliance as allowed by the National FuelGas Code.WARRANTY20-year limited warranty on the heat exchanger.5-year limited parts warranty.FEATURES• 4-position (MU) upflow models allow horizontal-left, hori-zontal-right, downflow and convertible applications• 4-position (MD) models allow downflow and convertibleupflow/horizontal applications• 3-position (UH) 150 MBH input model allows upflow, hori-zontal-left and horizontal-right application• Reliable, hot surface ignitor• Integrated control module for simplicity and reliable, eco-nomical operation• Built-in self-diagnostics with fault code display• 100% shut off main gas valve for added safety• Rollout safety control• Low unit amp requirement for easy application• High quality inducer motor for quiet operation• 40 VA, fuse protected control transformer• Terminals for controlling humidifiers and EAC’s• Easy to connect power and control wiring• Efficiency ratings of 80 AFUE• Cooling blower relay supplied for easy installation of add-on cooling• Blower off-delay for cooling SEER improvement• Multi-speed PSC, direct-drive blower motors to matchcooling requirements• Adjustable fan-off settings to eliminate "cold-blow"• Compact 31-1/2-in height allows installation in small spaceconfines• All models are propane convertible• Pre-painted exterior provides attractive, durable finish• Models are not approved for LoNox applications |
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