Heatcraft Refrigeration Products H-ENGM0806, H-ENGM0408 manual Gallons of ice cream @ Overrun

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Refrigeration Load Estimate Form

(for rooms below 32ºF) Bulletin Below32-05

Estimate for:

Estimate by:

Date:

Basis for Estimate

 

 

 

 

Room Dimensions: Width

 

ft. x Length

ft. x Height

ft.

Volume: (L)

x (W)

x (H)

=

cu. ft.

Ambient Temp

ºF. (Corrected for sun load) — Room Temp.

ºF. =

Note: Tables can be found in Engineering Manual, H-ENG-2

ºF. T.D.

 

Insulation

Inches

Type

Ceiling

Walls

Floor

Product Load

 

 

 

 

 

 

 

 

 

(a)

lbs./day of

 

to be reduced from entering temp. of

ºF.

to freezing point of

 

 

ºF. (Table 7) =

ºF. Initial temp. drop

 

and then reduced from freezing point to storage Temp. of

 

ºF. = (Table 7)

ºF. Final temp. drop.

(b)

gallons of ice cream @

overrun

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Miscellaneous

 

 

 

 

 

 

 

 

 

Motors (including all blower motors)

 

HP

Ground Temp.

(Table 21)

Lights (assume 1 watt/sq.ft.)

Watts

 

 

No. of People

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1. Transmission Loads

 

 

 

 

 

 

 

 

 

Ceiling: (L)

x (W)

x Heat Load

 

(Table 1)

=

North Wall: (L)

x

 

 

 

 

x Heat Load

 

(Table 1)

=

 

(H)

 

South Wall: (L)

x

 

 

 

 

x Heat Load

 

(Table 1)

=

 

(H)

 

 

 

East Wall:

(W)

 

x

 

(H)

 

 

x Heat Load

 

(Table 1)

=

West Wall:

 

 

x

 

 

 

x Heat Load

 

(Table 1)

=

(W)

 

(H)

 

 

 

Floor: (L)

x (W)

x Heat Load

 

(Table 1)

=

 

 

 

 

 

 

 

 

 

 

 

 

2. Air Change Load

 

 

 

 

 

 

 

 

 

Volume:

cu. ft. x

Factor (Table 5) x

 

Factor (Table 6)

=

 

 

 

 

 

 

 

 

 

 

 

 

3. Additional Loads

 

 

 

 

 

 

 

 

 

Electrical Motors:

 

 

HP x 75000 BTU/HP/24 hr.

 

 

=

Electrical Lights:

Watts x 82

 

 

 

=

People Load:

People x

BTU/24 hrs. (Table 12)

 

=

Glass Door Load:

 

 

Doors x 31200 BTU/Door/24 hr.

 

=

4.Product Load: (Table 7) (Product Load Figured @ 24 hr. Pulldown*)

(a)

lbs./day x

Spec. Heat above freezing x

ºF. Intial Temp. Drop

=

 

lbs./day x

Latent Heat Fusion

 

=

 

lbs./day x

Spec. Heat below freezing x

ºF. Intial Temp. Drop

=

(b)

gallons of ice cream/day x

BTU/gal (Table 19)

 

=

*For product pulldown time other than 24 hrs. figure 24 hr. load x (24/Pulldown Time)

 

 

 

 

 

 

 

 

Total Refrigeration Load (1+2+3+4+5) BTU/24 hrs.

Add 10% Safety Factor

Total with Safety/Factor BTU/24 hrs.

Divide by No. of Operating Hrs. (18) to obtain BTUH Cooling Requirement

 

 

Equipment Selection

 

Condensing Unit

 

Unit Cooler

System Capacity

Qty.

Model No.

Qty.

Model No.

BTU/hr.

2175 West Park Place Blvd. • Stone Mountain, GA 30087 • 770.465.5600 • Fax: 770.465.5990 • www.heatcraftrpd.com

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Contents Engineering Manual Table of Contents ForwardTables Wall heat loads Insulated block K factorsOpenings and infiltration Job Survey Refrigeration Load CalculationsSafety Factor Air Change LoadProduct Load Daily figureTemperature above 32ºF 20-22 hr Hourly Heat LoadLoad Calculation Forms 50ºF. rooms and higher with coilExample 35ºF Convenience Store Cooler With Glass Doors Example 35ºF Beef Cooler Inches Type Ceiling Walls Floor Example -20ºF Ice Cream Hardening Freezer Example -10ºF Beef Freezer Gallons of ice cream @ Overrun Appendix Tables Wall Heat LoadsEffective K Factor in Block Thickness of Insulation Allowance for Sun EffectVolume For long storage multiply the above values byStorage Room 40ºF .4ºC 50ºF ºCStorage requirements and properties of perishable products Not based on maintaining nutritional valueMaple Sugar BTU / LB. / 24 Hrs Storage Temperature Degree F Product Heat of Respiration ApproxºF. Other Heat gain due to operation of battery operated lift truck BTU / 24 HRHeat equivalent of electric motors Heat equivalent of OccupancyBanana Ripening Room Banana Rooms Refrigeration RequirementsRapid load selection for back bars Refrigeration requirements for hardening ice creamSummer outside air and ground temperature design conditions DesignDry Bulb Temp State CityTemperature Difference Product Safety/Capacity ControlRefrigeration Equipment Selection Equipment BalanceDerating Factors Type of Operation/Air FlowRecommended Air Changes/Hour Effects of Altitude on Air Cooled EquipmentGeneral Guidelines Unit Cooler Recommended Coil Replacement Left Large cooler or freezer RightLeft Cooler or freezer with glass display doors Right Line Sizing Recommended Line Sizes for R-134a+30˚F 150 200 100Expansion Valve 21/8Recommended Line Sizes for R-22 Equivalent Lengths100 150 200 Receiver to 200 100Recommended Line Sizes for R-404A and R-507 Recommended Line Sizes for R-404A and R-507 30˚F 40˚FEquivalent Feet of Pipe Due to Valve and Fitting Friction Recommended Remote Condenser Line Sizes 134a R507 & R-404A Liquid Line NetRefrigerant Fahrenheit Celsius Temperature Conversion Chart CelsiusFahrenheit Celsius FahrenheitSingle Phase Loads Ohm’s Law for direct current Conversion Factors constantAir Coils = WattsEnglish Conversion Factors & Data English to Metric Conversion FactorsUse of the Psychrometric Chart DefinitionsSR/lb dry air 7000Appendix Charts Atmospheric PressureAt other altitude Courtesy of Ashrae Reproduced by permissionCourtesy of Ashrae Reproduced by permission Glossary of Refrigeration Terms Dimension Quick Selection GuideBtuh Load +35 Room +30 Room FloorTips for Quick Selection Guide Rapid Load Calculator for Large Coolers and Freezers Heatcraft Refrigeration Products LLC

H-ENGM0408, H-ENGM0806 specifications

Heatcraft Refrigeration Products offers a diverse range of commercial refrigeration solutions designed to meet various operational needs. Among their notable offerings are the H-ENGM0806 and H-ENGM0408 models, which stand out for their efficiency and innovative features.

The H-ENGM0806 model boasts a robust construction and high-performance capabilities, making it ideal for large-scale refrigeration requirements. This model is engineered with an advanced compressor that provides powerful cooling while maintaining energy efficiency. The unit operates at low sound levels, making it suitable for environments where noise reduction is essential, such as restaurants and grocery stores. Additionally, the H-ENGM0806 incorporates a reliable fan system designed to ensure optimal air circulation, promoting even cooling throughout the refrigerated space.

Meanwhile, the H-ENGM0408 model is designed for medium-sized applications that require flexibility without compromising on performance. This unit features a compact design, making it an excellent choice for businesses with limited space. Its energy-efficient compressor reduces operational costs, and its user-friendly digital controls allow for easy temperature adjustments and monitoring. The H-ENGM0408 is engineered to operate in various ambient conditions, ensuring reliability and consistent performance regardless of the environment.

Both models feature a state-of-the-art microprocessor control system that allows for precise temperature management. These systems not only optimize performance but also enhance the longevity of the refrigeration units. The H-ENGM0806 and H-ENGM0408 come with a robust evaporator coil design, facilitating rapid cooling and reducing the downtime associated with equipment maintenance.

In terms of durability, both products are constructed with high-quality materials resistant to corrosion and wear, making them suitable for demanding commercial environments. Additionally, they comply with industry standards and regulations, ensuring safety and reliability in operation.

In conclusion, Heatcraft's H-ENGM0806 and H-ENGM0408 models combine efficiency, flexibility, and advanced technology to provide reliable refrigeration solutions. Their thoughtful design and robust features make them ideal choices for businesses looking to maintain optimal temperature control while minimizing energy consumption and operational costs.
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