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Ice Bear

®

 

30 Unit 

 

 
 

Application Guide 

 
 

for models:

IB30A-521 
IB30A-523 
IB30A-543 

Phone: (877) 542-3232 

Fax: (970) 545-3634 

Email:  [email protected] 

www.ice-energy.com 

F004_C 

© Ice Energy, Inc., 2009.   All Rights Reserved. 

4May09 

Содержание IB30A-521

Страница 1: ...0 Unit Application Guide for models IB30A 521 IB30A 523 IB30A 543 Phone 877 542 3232 Fax 970 545 3634 Email productservices ice energy com www ice energy com F004_C Ice Energy Inc 2009 All Rights Reserved 4May09 ...

Страница 2: ...istribution without permission While this information is presented in good faith and believed to be accurate Ice Energy disclaims the implied warranties of merchantability and fitness for a particular purpose and makes no express warranties except as may be stated in its written agreement with and for its customers In no event is Ice Energy liable to anyone for any indirect special or consequentia...

Страница 3: ...ct Data and Specifications 17 Engineering Data 21 Ice Bear 30 Unit Ambient Temperature Operating Ranges 21 Ice Bear 30 Unit ETL Certified Performance Data 21 Applying an Ice Bear 30 Unit 22 Airside Options 22 Equipment Selection 24 Ice Ready Rooftop Units 24 Installation Considerations 25 Minimum Clearances 25 Lifting 26 Mounting 28 Minimum Requirements for Connection of CoolData Controller Wiring...

Страница 4: ...ear 30 Unit Dry Center of Gravity Top 19 Figure 15 Ice Bear 30 Unit Wet Center of Gravity Left 20 Figure 16 Ice Bear 30 Unit Wet Center of Gravity Top 20 Figure 17 Ice Bear 30 Unit with an Ice Ready Rooftop Unit 22 Figure 18 Ice Bear 30 Unit with an Additional Slab Ice Coil 23 Figure 19 Ice Bear 30 Unit with an Additional N Ice Coil 23 Figure 20 Ice Bear 30 Unit with a Ductless Liquid Overfeed Coi...

Страница 5: ...s of peak energy generation A growing number of states are adopting energy efficiency standards above and beyond the federal appliance standards For example the California Building Energy Efficiency Standards performance approach uses a modified ASHRAE 90 1 methodology to establish the allowable energy consumption of a proposed building project as compared the energy consumption of a minimally com...

Страница 6: ... and its associated Ice Coil s cooling performance 5 ton rating is unchanged Definitions of Terms Base System A refrigerant based direct expansion DX air conditioning system commonly referred to as a packaged rooftop unit split system or mini split system A typical base system includes a condensing unit an evaporator a blower and controls Ice Coil Kit An Ice Coil and ancillary equipment needed to ...

Страница 7: ...ions Both the liquid supply and the vapor return line sets must be insulated When to fill with water and its associated weight o One of the last steps in the startup sequence is to fill the Ice Bear unit with about 450 gallons of tap water When to fill the Ice Bear unit is important filling too soon could cause significant and costly damage to the unit o The filled weight of the Ice Bear unit is a...

Страница 8: ...ength up to 150 feet between Ice Bear 30 and rooftop unit Maximum vertical lift up to 35 feet above the Ice Bear 30 unit Electrical consumption o On peak Ice Cooling 300 watts nominal o Off peak Ice Make 3 470 watts typical at 75 F Three models o IB30A 521 208 230V 1 phase o IB30A 523 208 230V 3 phase o IB30A 543 460V 3 phase Approvals and Code Compliance Ice Energy has contracted with Intertek s ...

Страница 9: ... Bear 30 Unit Components Ice Storage Tank Fans Refrigerant Management System RMS Figure 1 Ice Bear 30 Unit External View CoolData Controller Ice Make Condensing Coil Figure 2 Ice Bear 30 Unit Internal View Ice Bear 30 Unit Application Guide 5 ...

Страница 10: ... into a solid block of ice Ice make is typically 10 hours for a full 30 ton hour charge and is made during the coolest time of night or when electrical utility rates are at their lowest or off peak times Why Make Ice It takes 1 BTU of energy to lower the temperature of one pound of water 1 F For example it takes 1 BTU of energy to lower the temperature of one pound of water from 38 F to 37 F Howev...

Страница 11: ...Ice Bear 30 Unit Ratings by Ton hour Figure 3 Refrigerant Flow Schematic Ice Make Mode Ice Bear 30 Unit Application Guide 7 ...

Страница 12: ...ue receiver separator When there is a request for cooling a refrigerant pump circulates the oil free liquid R 410 A refrigerant through the liquid supply line to an Ice Coil located in the air stream Typically this is a Redundant Ice Coil installed into a packaged rooftop unit or a slab coil mounted in the air supply duct The vapor return line returns vaporized or mixed phase refrigerant to the Ic...

Страница 13: ...upply line 35 ft Maximum vertical head Ice Coil below Ice Bear unit 20 ft Maximum fittings per line supply return 20 Minimum insulation wall thickness 1 2 or minimum required by local code whichever is greater Isolation valves with service ports Isolation valves with service ports must be field installed in the Ice Coil supply and return lines as close as possible to the coil Sight Glasses Install...

Страница 14: ...ied packaged rooftop unit called an Ice Ready rooftop unit The Ice Ready rooftop unit illustrated in the figure below is a standard rooftop unit modified to include an additional liquid overfeed coil Ice Coil that is dedicated to the Ice Bear unit Specific systems are available from name brand unit manufacturers as Ice Ready rooftop units For a list of currently approved Ice Ready rooftop units an...

Страница 15: ...d to take on a load for a designated period of time The liquid overfeed Ice Coil is located downstream of the existing or regular standard DX coil The Ice Bear unit handles the designated load during peak load conditions while the remainder of the system handles the cooling load during the remainder of the day Figure 6 Redundant Parallel Split System Ice Bear 30 Unit Application Guide 11 ...

Страница 16: ...Controls and Sequence of Operation Controls and Sequence of Operation Control Schematic Figure 7 Control Schematic 12 Ice Bear 30 Unit Application Guide ...

Страница 17: ...on Example 1 Figure 8 Single Zone Single stage Thermostat with Economizer and Backup Condensing Unit Control Configuration Example 2 Figure 9 Single Zone Two stage Thermostat with Economizer and Backup Condensing Unit Ice Bear 30 Unit Application Guide 13 ...

Страница 18: ...d integration including configuration management real time control advanced and optimal control real time status submetering and monitoring performance analysis and automated diagnostics equipment health management event capture and analysis push and polling communications physical cyber security data integrity readied for transactions with enterprise level communication Ethernet Cable Connector L...

Страница 19: ...red operating schedules are set prior to shipment or by a certified installer in the field and can if required be reprogrammed remotely for optimization purposes The Ice Bear unit integrates with facility control systems and simple thermostats through traditional 24VAC signals both for control and status feedback No other communications to a facility management system are required The Ice Bear uni...

Страница 20: ...transitions out of the configured ice cooling time window as determined by unit s specific configuration Shutdown Sequence no call for cooling 1 Water and Refrigerant Pumps shut down 2 There is a 15 second delay 3 Individual zone relay is closed Full Discharge Cutoff Sequence 1 Discharge cutoff condition is achieved i e cutoff pressure is reached typically 165 psia or the Tank water reaches a temp...

Страница 21: ...frigerant charge compressor Ice Make 11 lb 8 oz R 410A factory Table 3 Ice Bear 30 Unit Electrical Properties Model System Type Minimum Circuit Ampacity MCA Maximum Fuse IB30A 521 208 230V 1φ 41 7 50 IB30A 523 208 230V 3φ 27 2 30 IB30A 543 460V 3φ 13 3 20 Table 4 Ice Bear 30 Unit Sound Ratings Outdoor Sound Power Level dB ref 10 12 W Overall dBA Octave Center Frequency 63 125 250 500 1000 2000 400...

Страница 22: ...Product Data and Specifications Figure 11 Ice Bear 30 Unit Dimensions Rear Side Views Figure 12 Ice Bear 30 Unit Dimensions Top View 18 Ice Bear 30 Unit Application Guide ...

Страница 23: ...a and Specifications See the below figures for dry center of gravity Figure 13 Ice Bear 30 Unit Dry Center of Gravity Left Figure 14 Ice Bear 30 Unit Dry Center of Gravity Top Ice Bear 30 Unit Application Guide 19 ...

Страница 24: ...pecifications See the below figures for wet water filled center of gravity Figure 15 Ice Bear 30 Unit Wet Center of Gravity Left Figure 16 Ice Bear 30 Unit Wet Center of Gravity Top 20 Ice Bear 30 Unit Application Guide ...

Страница 25: ...tored Consumed Stored Consumed T hrs kW hr T hrs kW hr T hrs kW hr T hrs kW hr T hrs kW hr 1 3 61 2 88 3 49 3 19 3 33 3 53 3 08 3 96 2 80 4 40 2 7 15 5 72 6 76 6 33 6 47 7 00 6 00 7 84 5 46 8 70 3 10 61 8 54 10 01 9 46 9 56 10 47 8 88 11 70 8 07 12 99 4 14 03 11 35 13 22 12 59 12 62 13 94 11 71 15 55 10 66 17 27 5 17 4 14 16 16 41 15 71 15 64 17 41 14 52 19 40 13 23 21 55 6 20 77 16 97 19 59 18 83...

Страница 26: ... meet the entire cooling demand one may apply the Ice Bear unit in a standalone configuration You may apply the Ice Bear 30 unit with any of the following airside solutions If the desired airside solution is not listed below contact Ice Energy Product Services call 877 542 3232 or email productservices ice energy com NOTE When applying an Ice Bear 30 unit to a heat pump the Ice Bear unit must have...

Страница 27: ... Bear 30 Unit Slab Liquid Overfeed Coil Figure 18 Ice Bear 30 Unit with an Additional Slab Ice Coil N Liquid Overfeed Coil Figure 19 Ice Bear 30 Unit with an Additional N Ice Coil Ice Bear 30 Unit Application Guide 23 ...

Страница 28: ... Ice Coil which is a liquid overfeed coil designed and tested to Ice Energy specifications Ice Ready Rooftop Units For a list of currently approved Ice Ready rooftop units and Ice Coil kits refer to the Ice Ready Products Selection Guide Ice Energy form F091 or visit www ice energy com For other airside options contact Ice Energy Product Services email productservices ice energy com or call 877 54...

Страница 29: ...the minimum clearances depicted in the figures that follow ensure that a 60 vertical clearance exists to provide for proper condenser fan operation NOTE Local codes regulations may prevail Figure 21 Minimum Clearances for Unit mounted Service Disconnect Ice Bear 30 Unit Application Guide 25 ...

Страница 30: ...ting Ice Energy recommends a 10 spreader bar in an H configuration with two 6 8 bars running perpendicular for lifting Any lifting method other than this one may cause damage to the exterior components of the unit Ice Energy is not responsible for any damage caused by alternative lifting techniques i e damage is not covered by the product warranty Refer to the Ice Bear 30 Unit Installation Mainten...

Страница 31: ...n the figure below Lifting Points Figure 23 Ice Bear 30 Unit Lifting Points Figure 24 Recommended Spreader Bar Configuration See Product Data and Specifications earlier in this manual for dry and wet water filled center of gravity dimensions Ice Bear 30 Unit Application Guide 27 ...

Страница 32: ...ictions The Ice Bear unit must be level to within 1 8 in all directions Concrete Pad A concrete pad or other approved surface may be used as designed and reviewed by a licensed structural engineer Refer back to Minimum Clearances See Figure 25 for minimum recommended pad dimensions Figure 26 provides a sample drawing of a precast concrete pad NOTE Local codes regulations may prevail Concrete Pad I...

Страница 33: ...n approved expansion joint must be installed to prevent possible noise transfer Ensure that roof drainage system does not undermine the Ice Bear unit s foundation and that ALL gutters and downspouts are properly placed and secured Figure 26 Sample Precast Concrete Pad Ice Bear 30 Unit Application Guide 29 ...

Страница 34: ...b Ice Energy has successfully placed the equipment on all standard engineered flat roofs with no modifications to the structural frame Similar to any piece of equipment to be placed on the roof a structural analysis by a licensed structural engineer is required by the permitting agency having jurisdiction over an installation Figure 27 illustrates an Ice Bear unit mounted on a curb with cap Contac...

Страница 35: ...s the base dimensions of the Ice Bear 30 unit to assist in designing a structural curb Figure 28 Ice Bear 30 Unit Base Dimensions 14 ga 075 Galvanized Steel SECTION B Figure 29 Ice Bear 30 Unit Base Cross Section Ice Bear 30 Unit Application Guide 31 ...

Страница 36: ...to engineering layout drawings showing locations of wiring and thermostat Document deviations in the Startup Verification Report F018 Use one 18AWG insulated 8 conductor cable between Ice Bear unit and each base unit e g air handler packaged unit ductless Ice Coil for control only Use one 18AWG insulated minimum 4 conductor cable per Current Transducer and one unshielded UTP CAT5e cable between ea...

Страница 37: ...4 Tons Time of Day Figure 30 Design Day Cooling Load Profile Example When designing a building cooling solution using an Ice Bear unit you will need an hourly load profile worksheet to determine the design day cooling solution You should consider two design days the day that requires the maximum total cooling over a 24 hour period and the day with the peak hourly load for the year A load profile w...

Страница 38: ...f spreadsheet and change the column headings to match the specific project You may expand the spreadsheet to include the hour by hour values for items such as liquid flow fluid temperature pressure drop and condensing unit performance Figure 31 Sample Load Profile Time of Cooling Second Ice Ice Ambient Electric Electric Day Load Condensing Melt Make Air Demand Data Profile Unit Ice Bear Ice Bear P...

Страница 39: ...code latest revision and comply with NEC C ISAC system shall be constructed in accordance with UL 1995 standard D ISAC system storage tank shall be capable of withstanding 500 hour salt spray exposure per ASTM B117 E Ice storage heat exchange coils shall be leak tested at 150 psig and pressure tested at 275 psig 1 03 DELIVERY STORAGE AND HANDLING ISAC system shall be stored and handled according t...

Страница 40: ... Characteristics of Ice Cooling mode The cooling capacity of the unit during Ice Cooling mode shall meet or exceed 60 000 Btu h at a suction temperature of 50 F The power consumption at full load excluding any fans used for indoor air circulation shall not exceed 350 watts I Operating Characteristics of Ice Make The capacity of the ice making condensing unit shall meet or exceed 40 000 Btu h at 35...

Страница 41: ...pacity tons Total Storage Capacity ton hrs Recharge Time Hrs Refrig Refrig Charge lb Peak Power Demand kW Water Volume gal IB 30 N Ice Energy IB30A 523 5 30 11 5 at 75 F ambient R 410A 46 5 0 3 475 continued Thermal Storage Unit Schedule Electrical Overall Dimensions LxWxH inches Operating Weight lb Remarks Volts Ph Hz Amps Typ Demand kW 208 230 3 60 30 4 0 101 x 60 x 49 5 550 lb Ice Bear unit to ...

Страница 42: ...ss through the Ice Bear unit which in turn controls the operation of both the Ice Bear unit itself and the second DX system This method assures optimal performance and Title 24 compliance Table 7 Ice Bear Models Available for Title 24 Compliance Parameter IB30 Model IB30A 060 1218 4 IB30 Model IB30A 060 1218 6 IB30 Model IB30A 060 1319 6 Melt Hours peak 12 20 Jun Sep 12 20 May Oct 13 19 May Oct Ma...

Страница 43: ...0 3 2203 CJ 48PGDC06 5 ton UHE Carrier R 410A Gas Pack Displaced 5T with ice storage 59 900 N A 0 28 2501 CK 50HJQ006 5 ton HE Carrier R 22 Heat Pump Displaced 5T with ice storage 61 000 N A 0 15 2364 TA WSC060E 5 ton SE Trane R 410A Heat Pump Displaced 5T with ice storage 63 500 N A 0 1 2364 TE YSC092A 7 5 ton SE Trane R 22 Gas Pack Displaced 4 5T with ice storage DX N A 100 200 0 15 2205 CE 48PG...

Страница 44: ... 1823 CN 48 Carrier 4 ton N Coil 50 600 1822 CN 60 Carrier 5 ton N Coil 61 600 Slab 2584 CS 48 Carrier 4 ton Slab 49 200 2600 CS 60 Carrier 5 ton Slab 59 300 2513 LS 60 Lennox 5 ton Slab 69 000 2603 TS 60 Trane 5 ton Slab 61 000 For a list of currently approved Ice Coils refer to the Ice Ready Products Selection Guide Ice Energy form F091 or visit the resources page at www ice energy com For other...

Страница 45: ...nc 9351 Eastman Park Dr Suite B Windsor CO 80550 Phone 877 542 3232 970 545 3630 Fax 970 545 3634 Email productservices ice energy com www ice energy com For parts or service contact your Ice Energy representative ...

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