Important Notices This booklet is designed to familiarize estimators and installers with proper sizing guidelines for residential and commercial generators. The information is not comprehensive, nor does it replace or supercede any material contained in any of the written documents shipped with the equipment. This booklet should only be used in conjunction with the Owner’s Manual, Installation Manual and other technical documents shipped with each product.
Table of Contents Table 1 – Motor Load Reference ..............4 Table 2 –...
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Motor load Reference Table 1 AC & Heat Pumps Running Load Starting Load Description Running Amps Amps @ Amps Amps @ LR Amps LR Amps LR Amps LR Amps @ 240V 208V 3Ø @ 240V 480V 3Ø @ 240V 1Ø @ 208V 3Ø...
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Non-Motor load Reference Table 2 Residential Running Load* Amps at Amps at Description 120V 1ø 240V 1ø Electric heat per 1000 ft Heat pump elements per 1000 ft Dryer Hot tub Range oven/Stove top per burner Electric hot water General lighting and receptacles per 1000 ft 24.9 Blow dryer...
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Surge Capability Table 3 Honeywell Generators (Operating at less than 3600 RPM) Rated Output Maximum Surge Capability (Running Amps) Size (kW) 240V 1Ø 208V 3Ø 240V 3Ø 480V 3Ø 240V 1Ø 208V 3Ø 240V 3Ø 480V 3Ø 1088 Honeywell Generators (Operating at 3600 RPM)
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NATURAL GAS INSTALLATION Size Meter for Generator Load Plus ALL Appliances BTU and Check Distance with Pressure Decal Gas Provider Flex Fuel Line Safety Shut-Off with Pressure Port Size gas pipe with Generator Sizing Guide or to local codes. For Underground Installations Verify Piping System for Code Compliance Fuel Pipe Sizing Natural Gas Natural Gas 5"...
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LP VAPOR INSTALLATION Size Tank Large Enough to Provide Required BTU's for Generator and ALL Connected Appliance Loads. Be Sure to Correct for MIWR (See Table 6) Primary Regulator BTU and Per LP Provider Check Distance Pressure Decal with LP Provider Check Distance with Regulator Manufacturer Safety Shut-Off...
2 x kVA rating for a filtered system 3 – 5 x kVA rating for an unfiltered system It is recommended you refer to the Honeywell UPS Generator Compatibility sheet (Pg 10) and contact the manufacturer of the UPS system to assist in your installation.
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Generator Sizing Instructions: Peak amps = _____________ Peak kW= _____________ Determining Existing Loads/Billing History Method 220.87 NEC 20 There is not a single correct sizing solution. Following are several methods that, when mixed with good judgement, should result in an appropriately sized generator. Remember to consider load growth, seasonality, and effects of starting motors.
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Worksheet — NEC 2011, 220 Part IV Contractor Email Phone Job Name Date Location Voltage (Circle) 240V -1Ø Fuel Elec. Service 100 Amp 200 Amp 400 Amp Other NET SQUARE FOOTAGE Loads (kW) GENERAL LOADS Rating (Load) Factor Loads (VA) (VA ÷...
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Generator Sizing Instructions: Peak amps = _____________ Peak kW= _____________ Determining Existing Loads/Billing History Method 220.87 NEC 20 There is not a single correct sizing solution. Following are several methods that, when mixed with good judgement, should result in an appropriately sized generator. Remember to consider load growth, seasonality, and effects of starting motors.
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Worksheet — NEC 2011, 220 Part IV Contractor Email Phone Job Name Date Location Voltage (Circle) 240V -1Ø Fuel Elec. Service 100 Amp 200 Amp 400 Amp Other NET SQUARE FOOTAGE Loads (kW) GENERAL LOADS Rating (Load) Factor Loads (VA) (VA ÷...
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Generator Sizing Instructions: Peak amps = _____________ Peak kW= _____________ Determining Existing Loads/Billing History Method 220.87 NEC 20 There is not a single correct sizing solution. Following are several methods that, when mixed with good judgement, should result in an appropriately sized generator. Remember to consider load growth, seasonality, and effects of starting motors.
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Worksheet — NEC 2011, 220 Part IV Contractor Email Phone Job Name Date Location Voltage (Circle) 240V -1Ø Fuel Elec. Service 100 Amp 200 Amp 400 Amp Other NET SQUARE FOOTAGE Loads (kW) GENERAL LOADS Rating (Load) Factor Loads (VA) (VA ÷...
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Generator Sizing Instructions: Peak amps = _____________ Peak kW= _____________ Determining Existing Loads/Billing History Method 220.87 NEC 20 There is not a single correct sizing solution. Following are several methods that, when mixed with good judgement, should result in an appropriately sized generator. Remember to consider load growth, seasonality, and effects of starting motors.
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Worksheet — NEC 2011, 220 Part IV Contractor Email Phone Job Name Date Location Voltage (Circle) 240V -1Ø Fuel Elec. Service 100 Amp 200 Amp 400 Amp Other NET SQUARE FOOTAGE Loads (kW) GENERAL LOADS Rating (Load) Factor Loads (VA) (VA ÷...