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Heatcraft Refrigeration Products H-ENGM0806 Appendix - Charts, Atmospheric Pressure, Altitude

Models: H-ENGM0408 H-ENGM0806

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Appendix — Charts

Appendix — Charts

Low Temperature Psychrometric Chart (-40 to 50ºF.) Standard Atmospheric Pressure of 29.921 in HG

	Atmospheric Pressure
	at other altitude
Altitude		Pressure
Ft.		in HG
-1000		31.02
-500		30.47
0		29.92
500		29.38
1000		28.86
2000		27.82
3000		26.83
4000		25.84
5000		24.90
6000		23.98
7000		23.09
8000		22.22
9000		21.39
10000		20.58
15000		16.89

Courtesy of ASHRAE — Reproduced by permission.

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Heatcraft Refrigeration Products H-ENGM0806 Appendix - Charts, Atmospheric Pressure, at other altitude, Altitude, in HG

Contents

Load Calculations and Reference Guide Engineering ManualCommercial Refrigeration Cooling and Freezing H-ENGM0408,AprilTable of Contents ForwardTables Job Survey Refrigeration Load Calculations3.Miscellaneous Loads 5. Safety Factor2. Air Change Load 4. Product Load6. Hourly Heat Load 7. Load Calculation FormsRefrigeration Load Estimate Form for rooms above 32ºF Bulletin Above32-05for rooms above 32ºF Bulletin Above32-05 Example 35ºF Beef CoolerRefrigeration Load Estimate Form Insulation Refrigeration Load Estimate Formfor rooms above 32ºF Bulletin Above32-05 InchesRefrigeration Load Estimate Form for rooms below 32ºF Bulletin Below32-05Example -20ºFIce Cream Hardening Freezer for rooms below 32ºF Bulletin Below32-05 Example -10ºFBeef FreezerRefrigeration Load Estimate Form Insulation Refrigeration Load Estimate Formfor rooms below 32ºF Bulletin Below32-05 InchesTable Allowance for Sun Effect Appendix - TablesTable Wall Heat Loads Page Not based on maintaining nutritional value Table 7 Continued Storage Temperature Degree F Table Heat of Respiration ApproxBTU / LB. / 24 Hrs ProductPage Banana Ripening Room Design 1.Equipment Balance Refrigeration Equipment Selection3. Product Safety/Capacity Control 2. Temperature DifferenceRecommended Air Changes/Hour Derating Factors4. Type of Operation/Air Flow Effects of Altitude on Air Cooled EquipmentGeneral Guidelines Unit Cooler Recommended Coil Replacement Baffle Glass Display DoorLine Sizing Table 22. Recommended Line Sizes for R-134aLIQUID LINE SIZE Table 23. Recommended Line Sizes for R-22 Receiver to Equivalent Lengths SUCTION LINE SIZE PSIG Table 27. Recommended Remote Condenser Line Sizes Liquid Line SizeSuction Line at Suction Temperature Hot GasFahrenheit - Celsius Temperature Conversion Chart = Current Amperes English Conversion Factors & Data English to Metric Conversion FactorsUse of the Psychrometric Chart Definitionsat other altitude Appendix - ChartsAtmospheric Pressure AltitudeCourtesy of ASHRAE - Reproduced by permission Appendix - ChartsStandard Atmospheric Pressure of 29.921 in HG Glossary of Refrigeration Terms Quick Selection Guide Walk-InFreezer Box Load Parameters Tips for Quick Selection GuideWalk- In Cooler Box Load Parameter Table A Product Cooling Loads for Walk-InCoolers35ºF. cooler- 3” polystyrene or equivalent The name behind the brands you trust Heatcraft Refrigeration Products LLCspecifications without notice CLIMATE