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Specifications
[Page Too Large for OCR Processing] [Page Too Large for OCR Processing] [Page Too Large for OCR Processing] /14 ECaoio - X509 RECEIVED 9007 St Hall 31vc( lab OCT 2 0 2010 STRUCTURAL CALCULATIONS CITY OF TIGARD for BUILDING DIVISION Lennox DHU Replacement • T-0345 T - 0345 TARGET STORE 9099 SW Hall Blvd. Tigard, OR 97223 TARGET' Prepared for: °TARGET 1000 Nicollet Mall WASHINGTON Minneapolis, Minnesota 55403 SQUARE, OR 16 August 2010 si fjucr &R g 0 PROF Fss c\9 ` �GINF � / 3 ffl l / O qM T. By EXPIRES /2 - S / - /( 1 Prepared by: ERICKSEN ROED & ASSOCIATES Consulting Engineers 2550 University Avenue, Suite 201S Saint Paul, Minnesota 55114 651.251.7570 rtiCI <Se'\ Page No oed & Associates Job S Svir e .'(Tht‹. Structural Engineers ( Saint Paul Office Can Claire Oflice Comm. No. 2550 University Avenue West, Sue 201 -S 3610 Oakwood Hills Parkway, Ste. 111 g 11-1 l� Saint Paul, Minnesota 55114 -1904 Can Claire, Wisconsin 54701 Date Telephone: 651- 251 -7570 Telephone: 715 - 552 -5336 Facsimile: 651 -251 -7578 Facsimile: 715. 552.5373 Name S V C.\\) - P-dcl i \C.54 Los-Or-Ice) ckc.cil,. -lv 3 exi5h moo - U� �,-• tS 6 - • Y- -ear,- o -- 1-- e0,�Z..u -tc, 1-1\) co.-01 v-00 4- L -1 . tS V.fo c )' ' } rv�o cl4 Csl jlt7rtiJ �ti•L. Ll.- t Y J. t>�y O eX l S) CXwl t v-s) rr.. t x- r \ •- S . Y -TU -1 ` f • . . . . • () 0 Q (% • . r ) 0 . - • .. .. 1 . I - 4 _ I . I /1 r: : ^ 1 . .".11 . 1 . -. . . . . , ,---. . . __.._ . , - • — I ..._,..:_. :iie_... •!1:.. ... — - I —. '-"- -"''.---m------ - I "—, . . _ .- -'-' • — •... V: , 1 . . I = .: C), I 1 : • I \E:9 . . , - 1 : . • : .9Lia a i . _ i ---- X i . -ez -'- -. - =----- M .-- - - — H — . 1 , . a 7.• I • . .. i Ft..4 \ • .. 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CA4 Trpv .rr . . • . -- - — ® Ioi �..r _ _ _ 110 w I Try I Z u.r • v i � • i —'I II / awn.. I j ql' I S w.4 ., ... i,av r rr. , n e k�e • _0 1 tiros / lr. nE„ ems- - ` e3 m. • r. 0v, •,(5,.., n U.' W Q ...Irrre A'/ 'I¶I - -�6WY /•i • r•na• Z lµr ii=t7eets• �. 1 one war • If��� :r I•m. aunt. •, rlA = 1- ' ' �rsc 441 sin. r ' ` --.4R • -5 •44r•. : �I _�RI► Y(� V VS �� � "� YE ® (.1 t . ' USED Ca DETAL BFER I nr ▪ "^ - Ij E • Page No oecl & Associntes Structural Engineers , Comm. No. . i Saint Paul Office Eau Claire Office 2550 University Avenue West, Ste. 20I-S 3610 Oakmood Hills Parkway, Ste. 11 1 Saint Paul, Minnesota 55114-1904 Eau Claire, Wisconsin 54701 Date - 1 Telephone: 651-251-7570 Telephone: 715-552-5336 Facsimile: 651-251-7578 Facsimile: 715-552-5373 Name 7 ...... 1 /..-," -) r ;2 0 • 1 \■?..4 3 X - .;a'10_ e 3 t b_ 9 jiukcirn vasf- r -f-- descv.ICCI I sf • 11, \c, r & I I 4 4 4. II V�Icksell Page No oec:1 & Associates Job''l.. wig r.. blr••; , • • ! ;.li ( Structural Engineers ) i) , I Saint Paul Office Eau Claire Office • Comm. No. 2550 University Manic West. Ste 20I -S 3610 Oak rood Ilills Parkway. Ste. k I ' • (� - Saint Paul, Minnesota 55114-1904 Eau Claire, Wisconsin 54701 Date r, Telephone: 651 -251 -7570 Telephone: 715-552-5336 Facsimile: 651 - 251 -7578 facsimile: 715-552-5373 Name r I. S 1? y a I r^J � v I -I . • 0 <- t Y1 l I ^I !J 9 dft �Cir<r�1 „•.) C Q 1 i (� (6 ✓ - I 1 a d s -h 0( rriil, - V- lJn('r - /n1 C.) C P ..71 (, Lt BOO 1 0 Gi • . . .)C)k■O m ‘S -7`t 1 Irvrt ` S -7(D \h -X-”" ' i NI &Sell Page No oeci o Associates \ • Job 1 , / I.) 1'• �CIC�t t .- a��� 3 r..r ,( Structural Engineers J (J • I Saint Paul Office Eau Claire Office Comm. No. 2550 University Asenuc West, Ste. 201-S 3610 Oahu oodI1d1sParks% ay, Ste k1 Saint Patt1, Minnesota 55114 -1904 Eau Claire, Wisconsin 54701 Date tl II ` 1 l ) Telephone: 651 - 251 -7570 Telephone: 715 - 552 -5336 Facsimile: 651- 251 -7575 Facsimile: 715-552-5373 Name /C7 ) \\Lo -ft) 0 1 \ \'l- (.CA / =C.si ! 1 >; C.t. x r1,1 G L CJ( r-vV 1 CA (7r7.) I ` v �CUn`t r.tio�sl.. cd� ca w - ■ il� - cs `; CA" ' (� � 1'y � `J I )'' ( - ;7)- 1) Vior I 1)10 ■ 1DV N ( 11 /5 7 ( ;) 1 1 i I > (C) 9o) ` 'per I F: 7 nm I, w:, 1(2) \r- /. . 1s C'r) '(:)(1)S I v7:6i cl: / e- CSVA5■ <. \ v I . � r\ 17 1k \ \f,A. r ■-• .. � ( .ct I-Nn ■-_ceA I_n )i !t (E) �1v C CAtn — l -, Icr�t t= 5 n \1> ./i (L 20 / 0 _ Oa 5o 9 • LENNO8 HEAT WI-EEL ROOF SUPPORT DETAL t3 ,, A I° i° I° i° I° i° � ... • ° , e • ° e t. e ° ° ° 0 e I ° . 4. 0 ° • 441111 • 411111 e ° 0 0 o ° ° e ✓ r� F • • • e e _/I ■ • • • 0 • o e411116. \ /�1.∎ \_- -,.....„,, co.a P....011 Pli (SYSTEMS /DCSIGN I=INNA= IMIE NN IL =WA 011M /1511121 BUILD IT RIGHT. , rr " °e I � � QONIOR ♦MU - Erga11171 02 • RECEIVED INDOOR AIR QUALITY LEI/I/OXI 2 0 2010 ENERGY RECOVERY SYSTEM ® CI FOR ENERGENCETM ROOFTOP UNITS -60 HZ T BUILDING DIVISION ENGINEERING DATA Bulletin No. 210569 February 2010 ss t =cr r .. .— .. cam: ai 300 to 6200 cfm Capacity • - MODEL NUMBER IDENTIFICATION SORO649XH23LMXSPX Manufacturer Code TT ITT X = No Option 50 = Lennox P = Pressure Sensor Wheel Design R = Fixed S = Stop - Start-Jog P = Pivoting X = No Option Air Flow Range M = Motorized Outside Air Damper 06 = 300 -550 cfm - 11 = 600 -1000 cfm L = Low Ambient Kit 20 = 1100 -1700 cfm 28 = 1500 -2800 cfm Voltage 36 = 2800 -3600 cfm 21 = 208/230V - 1 phase - 60hz 46 = 3400 -4600 cfm 23 = 208/230V - 3phase - 60hz 62 = 4800 -6200 cfm 33 = 460V - 3phase - 60hz 43 = 575V - 3phase - 60hz Matching Rooftop Unit 49 = 2 -5 ton Energence 50 = 5-6 ton Energence Blower Speed 51 = 7.5 -12.5 ton Energence H = High 52 = 15 & 25 ton Energence M = Medium Design Series X = First Generation Notes: x = Factory Option Not Selected e.g. 50RO644xH23LxESxR FEATURES • CONTENTS OPERATION Dimensions 10 The enthalpy wheel contains parallel layers of a Electrical Data g polymeric material that is physically imbedded with a Features 2 silica gel (desiccant). Guide Specifications 11 The wheel is located in the intake and exhaust air Model Number Identification 1 streams of the ventilation equipment. Optional Accessories 4 As the wheel rotates through each air stream, the wheel Specifications 5 surface captures sensible and latent energy. In the heating mode, the wheel rotates to provide a constant transfer of heat from the exhaust air stream to the colder intake air stream. During the cooling season, the process is reversed. APPROVALS When used in conjunction with a rooftop unit equipped Rated in accordance with AHRI standard 1060 -2005. To with an economizer, on pivoting models, the wheel obtain a copy of the Standard or to view Lennox' latest pivots out of the air stream to allow the economizer certified data, please visit the AHRI web site at http: // to operate normally for "free cooling" when outdoor www.ahrinet.org /. temperature and humidity is acceptable. ETL Certified per UL 1995 and CSA/CAN C22.2 No. 236. By pivoting the wheel out of the air stream, the WARRANTY system can utilize 100% of the rooftop unit's blower Recovery Wheel - limited warranty for five years. capabilities. During economizer operation, the exhaust All other covered components - one year limited blower continues to run, providing power exhaust for warranty. the system. The intake blower is de- energized during APPLICATIONS economizer operation. The Lennox Energy Recovery System (ERS) is a ERS SELECTION constant volume, energy recovery ventilator that is Step One - Determine the air conditioning load directly coupled with Lennox Energence® rooftop units. requirements using the required amount of outside air Its primary function is to increase overall HVAC system without an ERS. efficiency and to reduce long -term energy costs. Step Two - Select the proper ERS for the outside air This is accomplished by capturing both sensible and requirements and calculate the tonnage reduction. latent energy from either the exhaust or intake air Select the rooftop unit required by reducing the load stream and transferring it to the other, resulting in determined in step one by the reduction in step two. reduced cooling loads at design temperatures up to four (Example: If the load in Step 1 was 10 tons, and the tons per 1000 cfm of outside air and reduced heating reduction in Step 2 was 2.5 tons, select a 7.5 ton unit). loads up to 12,000 Btuh per 400 cfm of outside air. Select the proper ERS based on the selected unit. The recovery wheel provides sensible and latent energy NOTE - The height of the roof top unit curb MUST exchange between the entering and exhaust air streams correspond with the required curb height needed for the of a building allowing a substantial amount of the ERS. See Specifications Table. energy, which is normally lost in the exhaust air stream, to be returned into the entering air. Each unit factory test operated to ensure proper operation. Energy Recovery System (Energence) I Page 2 FEATURES SYSTEM FEATURES CABINET Low- voltage logic board used to control frost protection Fully insulated with non - hygroscopic fiberglass and motorized outside.air damper. insulation. Constructed of galvanized steel and finished Low - voltage terminal strip. with electrostatically bonded powdered enamel coating • to withstand 1000 hour salt -spray test per ASTM B117. Barometric relief dampers provided standard on all ERS Attaches directly to the rooftop unit. All mounting units. hardware is provided. Balancing dampers provided standard on all fixed wheel Adjustable support legs are provided. ERS units. OPTIONS / ACCESSORIES Metal -mesh, mist - eliminator -type filters provided in intake air hood. FACTORY INSTALLED Separate, fused power supply. Low Ambient Control Kit Continuous operation down to 10 °F without defrost at Prevents frost formation on energy wheel heat transfer indoor relative humidity up to 40 %. For temperatures surfaces by terminating the intake blower operation below 10 °F an optional, factory installed Low Ambient when discharge air temperature falls below a field - Control Kit is required. selectable temperature setting. RECOVERY WHEEL Intake blower operation resumes after temperature • AirXchange Enthalpy Wheels. Capable of both sensible rises above the adjustable temperature differential. Kit and latent heat recovery. Dry energy transfer. Moisture includes temperature sensor. in supply air stream is transferred to exhaust air stream Motorized Outside Air Damper • in vapor state, eliminating condensate plumbing in the Damper mounts behind the outside air intake hood. ventilator. Damper opens when the ERS is energized and closes Constructed of lightweight polymer material and coated when de- energized. with a desiccant silica gel that will not dissolve or liquefy Stop-Start-Jog (Fixed Models Only) in the presence of water or high humidity. Control option that allows intermittent operation of Wheels 25 in. and larger in diameter are segmented for the enthalpy wheel during mild outdoor conditions to easy removal. Wheels less than 25 in. in diameter are provide cycling and cleaning of the wheel. removed from cabinet in a slide -out cassette. Patented, pivoting -wheel option allows unit to operate Pressure Sensor in true economizer mode when the outside temperature Measures the amount of outside airflow across the is suitable for cooling. Pivoting the wheel out of the air enthalpy wheel. stream during economizer mode allows efficiencies to FIELD INSTALLED be maximized by reducing demand on the supply fan ERS Support motor. 8 inch high base for support of the exhaust and intake BLOWERS end of the ERS. Centrifugal, forward curved blowers provided for high- Available in 48, 60, and 76 inch lengths. static capability and low sound levels. Belt -drive blowers have permanently lubricated ball See Page 4 for model numbers. bearings, overload protection, and adjustable sheaves ERS Roof Curb for blower speed adjustment. Used to support RTU and raise them to the correct height for mounting. See Page 4 for model numbers. NOTE - Contact your local Lennox Commercial Sales Representative for ordering information. Energy Recovery System (Energence) I Page 3 OPTIONAL ACCESSORIES - MUST BE ORDERED EXTRA Model No. Fixed 50R0649xH 50R2051xH 50R2851xM 50R2852xM 50R3651xH 50R3652xH 50R4652xH 50R6252xM Wheel 50R0650xH 50R2851xH 50R2852xH 50R6252xH 50R1149xH 2 50R1150xH 50R2050xH Pivot 50P1149xH 50P2051xH 50P2851xM 50P2852xM 50P3651xH 50P3652xH 50P4652xH 50P6252xM Wheel 50P1150xH 50P2851xH 50P2852xH 50P6252xH 2 50P2050xH Low Ambient Kit 0 0 0 0 0 0 0 0 Motorized Exhaust Air Damper Kit 0 0 0 0 0 0 0 0 Motorized Outdoor Air Damper Kit 0 0 0 0 0 0 0 0 'Stop -Start-Jog Kit 0 0 0 0 0 0 0 0 Pressure Sensor Kit 0 0 0 0 0 0 0 0 Roof Curb 502014414 X 502014714 X X 502014724 X 502013214 X 502013224 X X X Equipment 012104808 X X Support 012106008 X X X X 012107608 X X 0 - Configure to Order (Factory Installed) X - Field Installed. ' Available on Fixed Wheel models only. 2 Available for 6 ton models only. Energy Recovery System (Energence) / Page 4 SPECIFICATIONS - FOR 2 TO 6 TON EMERGENCE MODELS General Model Number Fixed Wheel 2 50R0649xH - _ 50R1149xH 50R2050xH Data Model Number Pivoting Wheel - - - 50P1149xH 50P2050xH Matching Units Energence 024 through 060 models Energence 072 models Model Number Fixed Wheel 2 50R0650xH 50R1150xH - - - Model Number Pivoting Wheel - - - 50P1150xH - - - Nominal Air Volume - cfm 300 -550 600 -1000 - - - Matching Units Energence 060 through 072 models - - - Nominal Air Volume - cfm 300 -550 600 -1000 1100 -1700 Required Height of Rooftop Unit Curb - in. 14 14 14 Fresh Air Motor - hp 0.2 1/2 1 Blower Wheel Size (diameter x width) - in 6 -1/4 x 6 -1/2 10 x 6 9 x 9 Motor Speed - rpm 1780 1120 1725 Motor Speed(s) 2 3 Adjustable Sheeve Bearing Type Sleeve Sleeve Ball Exhaust Air Motor Type PSC PSC Belt Drive Blower Motor - hp Fixed Wheel 1/4 1/2 1 Pivoting Wheel - - - 1/2 1-1/2 Wheel Size (diameter x width) - in 6 -1/4 x 6 -1/2 10 x 6 9 x 9 Motor Speed - rpm 1780 1120 1725 Motor Speed(s) 2 3 Adjustable Sheeve Bearing Type Sleeve Sleeve Ball Recovery Wheel Depth x Diameter - in 2 x 19 -1/3 3 x 25 -1/3 3 x 30 -11/32 Wheel Motor Speed - rpm 1050 1050 1050 Electrical Data - Line Voltage - 60hz 2 208/230V 1ph, 208/230V -3ph, 208/230V 3ph, 208/230V -3ph, 460V -3ph, and 460V -3ph, and 460V -3ph, and 575V -3ph 575V -3ph 575V -3ph Enthalpy Nominal Airflow 500 cfm at 0.6 in. w.c. 900 cfm at 1 in. w.c. 1600 cfm at 0.95 in. Wheel w.c. Airflow EATR - Exhaust at minus 1 in. w. c. 9.90% 9.30% 7.80% Data Air Transfer at 0 in. w.c. 0.20% 0.70% 0.40% Ratio at 1 in. w.c. 0.00% 0.00% 0.00% OACF - at minus 1 in. w. c. 1.02% 0.97% 0.97% Outdoor Air at 0 in. w.c. 1.33% 1.19% 1.16% Correction - Factor at 1 in. w.c. 1.59% 1.34% 1.29% a� 'Thermal N m y m m o Ratings at m i d CO I-° a J . 0 in. w.c. in J Pressure Total 100% Airflow Heating 68% 60% 65% 76% 68% 73% 68 61 65 Differential Effectiveness o 73% 65% 70% 81% 73% 78% 75 A Airflow Heating 73 /0 65 /0 70 /° 81 /0 73 /° 78 /° 72 67 71 100% Airflow Cooling 68% 60% 64% 76% 68% 72% 68 61 64 75% Airflow Cooling 73% 65% 69% 81% 73% 76% 72 67 70 Net 100% Airflow Heating 68% 60% 65% 76% 68% 73% 68 61 65 Effectiveness 75% Airflow Heating 73% 65% 70% 81% 73% 78% 72 67 71 100% Airflow Cooling 68% 60% 64% 76% 68% 72% 68 61 64 75% Airflow Cooling 73% 65% 69% 81% 73% 76% 72 67 71 Weights Shipping Weight - lbs. 198 318 425 Net Weight - lbs. 155 245 345 ' Rated in accordance with AHRI Standard 1060 -2005. For further information, please reference AHRI 1060 -2005 Standard for Rating Air -to-Air Heat Exchangers For Energy Recovery Ventilation Equipment. 2 A unit step -down transformer is provided, 208/230/460/575V pnmary, 120V secondary. Energy Recovery System (Energence) / Page 5 I SPECIFICATIONS - FOR 7.5 TO 12.5 TON ENERGENCE MODELS General Model Number Fixed Wheel 50R2051xH 50R2851xM 50R2851xH 50R3651x11 Data Model Number Pivoting Wheel 50P2051xH 50P2851xM 50P2851xH 50P3651xH Nominal Air Volume - cfm 1100 -1700 1500 -2200 2200 -2800 2800 -3600 Matching Units Energence 090 through 150 models Required Height of Rooftop Unit Curb - in. 14 14 14 24 Fresh Air Belt -Drive Motor - hp 1 1 -1/2 1 -1/2 2 Blower Wheel Size (diameter x width) - in. 9 x 9 10 x 10 10 x 10 12 x 9 Motor Speed - rpm 1725 1725 1725 1725 Motor Speed(s) Adjustable Adjustable Adjustable Adjustable Sheave Sheave Sheave Sheave Bearing Type Ball Ball Ball Ball Exhaust Air Belt -Drive Motor - hp Fixed Wheel 1 1 -1/2 1 -1/2 2 Blower Pivoting Wheel 1 -1/2 3 3 3 Wheel Size (diameter x width) - in 9 x 9 10 x 10 10 x 10 12 x 9 Motor Speed - rpm 1725 1725 1725 1725 Motor Speed(s) Adjustable Adjustable Adjustable Adjustable Sheave Sheave Sheave Sheave Bearing Type Ball Ball Ball Ball Recovery Wheel Depth x 4iameter - in 3 x 30 -11/32 3 x 37 -3/4 3 x 37 -3/4 3 x 41 -13/16 Wheel Motor Speed - rpm 1050 1725 1725 1725 Electrical Data - Line Voltage - 60hz 208/230V -3ph, 460V -3ph, or 575V -3ph Enthalpy Nominal Airflow 1600 cfm at 1500 cfm at 0.67 2600 cfm at 0.95 3100 cfm at Wheel 0.95 in. w.c. in. w.c. in. w.c. 0.9 in. w.c. Airflow EATR - Exhaust Air at minus 1 in. w. c. 7.80% 6.10% 6.10% 4.90% Data Transfer Ratio at 0 in. w.c 0.40% 4.00% 4.00% 1.30% at 1 in. w.c. 0.00% 0.00% 0.00% 0.30% OACF - Outdoor Air at minus 1 in. w. c. 0.97% 0.98% 0.98% 0.99% Correction Factor at 0 in. w.c. 1.16% 1.13% 1.13% 1.07% at 1 in. w.c. 1.29% 1.23% 1.23% 1.12% 'Thermal 2 c . c d 2 d - a c Ratings at B 1 c m en 2 ~ o c o m c o O in. w.c. d ~ °' n f- . ~ to fn CO CO Pressure Differential Total Effectiveness 100% Airflow Heating 68% 61% 65% 68% 60% 65% 68% 60% 65% 68% 60% 65% 75% Airflow Heating 72% 67% 71% 74% 67% 71% 74% 67% 71% 74% 67% 71% 100% Airflow Cooling 68% 61% 64% 68% 60% 63% 68% 60% 63% 68% 60% 63% 75% Airflow Cooling 72% 67% 70% 74% 67% 70% 74% 67% 70% 74% 67% 70% Net Effectiveness 100% Airflow Heating 68% 61% 65% 68% 60% 65% 68% 60% 65% 68% 60% 65% 75% Airflow Heating 72% 67% 71% 74% 67% 71% 74% 67% 71% 74% 67% 71% 100% Airflow Cooling 68% 61% 64% 68% 60% 63% 68% 60% 63% 68% 60% 63% 75% Airflow Cooling 72% 67% 70% 74% 67% 70% 74% 67% 70% 74% 67% 70% Weights Shipping Weight - lbs. 425 470 470 470 Net Weight - lbs. 345 395 395 395 ' Rated in accordance with AHRI Standard 1060 -2005. For further information, please reference AHRI 1060 -2005 Standard for Rating Air -to-Air Heat Exchangers For Energy Recovery Ventilation Equipment Energy Recovery System (Energence) / Page 6 . SPECIFICATIONS - FOR 15 TO 25 TON ENERGENCE MODELS General . Model Number Fixed Wheel 50R2852xM 50R2852xH 50R3652xH Data Model Number Pivoting Wheel 50P2852xM 50P2852xH 50P3652xH Nominal Air Volume - cfm 1500 -2200 2200 -2800 2800 -3600 Matching Units Energence 180 through 300 models Required Height of Rooftop Unit Curb - in. 14 14 24 Fresh Air Belt -Drive Motor - hp 1 -1/2 1 -1/2 2 Blower Wheel Size (diameter x width) - in 10 x 10 10 x 10 12 x 9 Motor Speed - rpm 1725 1725 1725 Motor Speed(s) Adjustable Sheave Adjustable Sheave Adjustable Sheave Bearing Type Ball Ball Ball Exhaust Air Belt -Drive Motor - hp Fixed Wheel 1 -1/2 1 -1/2 2 Blower Pivoting Wheel 3 3 3 Wheel Size (diameter x width) - in 10 x 10 10 x 10 12 x 9 Motor Speed - rpm 1725 1725 1725 Motor Speed(s) Adjustable Sheave Adjustable Sheave Adjustable Sheave Bearing Type Ball Ball Ball Recovery Wheel Depth x Diameter - in 3 x 37 -3/4 3 x 37 -3/4 3 x 41 -13/16 Wheel Motor Speed - rpm 1725 1725 1725 Electrical Data - Line Voltage - 60hz 208/230V 3ph, 460V 3ph, or 575V 3ph Enthalpy Nominal Airflow 1900 cfm at 0.7 in. 2600 cfm at 0.95 in. 3100 cfm at 0.9 in. Wheel w.c. w.c. w.c. Airflow EATR - Exhaust Air at minus 1 in. w. c. 6.10% 6.10% 4.90% Data Transfer Ratio 0 at 0 in. w.c. 4.00% 4.00% 1.30% at 1 in. w.c. 0.00% 0.00% 0.30% _ OACF - at minus 1 in. w. c. 0.98% 0.98% 0.99% Outdoor Air at 0 in. w.c. 1.13% 1.13% 1.07% Correction Factor at 1 in. w.c. 1.23% 1.23% 1.12% 'Thermal °—' m d c .0 c .0 c Ratings at c c c O in. w.c. co co J Pressure Differential Total Effectiveness 100% Airflow Heating 68% 60% 65% 68% 60% 65% 68% 60% 65% 75% Airflow Heating 74% 67% 71% 74% 67% 71% 74% 67% 71% 100% Airflow Cooling 68% 60% 63% 68% 60% 63% 68% 60% 63% • 75% Airflow Cooling 74% 67% 70% 74% 67% 70% 74% 67% 70% Net Effectiveness 100% Airflow Heating 68% 60% 65% 68% 60% 65% 68% 60% 65% 75% Airflow Heating 74% 67% 71% 74% 67% 71% 74% 67% 71% 100% Airflow Cooling 68% 60% 63% 68% 60% 63% 68% 60% 63% 75% Airflow Cooling 74% 67% 70% 74% 67% 70% 74% 67% 70% Weights Shipping Weight - lbs. 470 470 571 Net Weight - lbs. 395 395 475 ' Rated in accordance with AHRI Standard 1060 -2005. For further information, please reference AHRI 1060 -2005 Standard for Rating Air -to-Air Heat Exchangers For Energy Recovery Ventilation Equipment Energy Recovery System ( Energence) / Page 7 • SPECIFICATIONS - FOR 15 TO 25 TON ENERGENCE MODELS General - Model Number Fixed Wheel 50R4652xH 50R6252xM 50R6252xH Data Model Number Pivoting Wheel 50P4652xH 50P6252xM 50P6252xH Nominal Air Volume - cfm 3400,4.600 4800 -5600 5500 -6200 Matching Units Energence 180 through 300 models Required Height of Rooftop Unit Curb - in. 24 24 24 Fresh Air Belt -Drive Motor - hp 3 5 5 Blower Wheel Size (diameter x width) - in 12 x 12 12 x 12 12 x 12 Motor Speed - rpm 1725 1725 1725 Motor Speed(s) Adjustable Sheave Adjustable Sheave Adjustable Sheave Bearing Type Ball Ball Ball - Exhaust Air Belt -Drive Motor - hp Fixed Wheel 3 5 5 Blower Pivoting Wheel 5 2 each - 5 2 each - 5 Wheel Size (diameter x width) - in 12 x 12 12 x 12 12 x 12 Motor Speed - rpm 1725 1725 1725 Motor Speed(s) Adjustable Sheave Adjustable Sheave Adjustable Sheave Bearing Type Ball Ball Ball Recovery Wheel Depth x Diameter - in 3 x 46 -3/4 3 x 52 3 x 52 Wheel Motor Speed - rpm 1150 1075 1075 Electrical Data - Line Voltage - 60hz 208/230V -3ph, 460V 3ph, or 575V 3ph Enthalpy Nominal Airflow 3900 cfm 5500 cfm 5500 cfm at Wheel at 0.95 in. w.c. at 0.95 in. w.c. 0.95 in. w.c. Airflow EATR - Exhaust Air at minus 1 in. w. c. 4.40% 4.00% 4.00% Data Transfer Ratio 0 at 0 in. w.c. 1.10% 1.00% 1.00% at 1 in. w.c. 0.20% 0.20% 0.20% OACF - at minus 1 in. w. c. 0.99% 0.99% 0.99% Outdoor Air at0in. w.c 1.06% 1.06% 1.07% Correction Factor at 1 in. w.c. 1.11% 1.10% 1.12% 'Thermal a m d 2 B d 3 a m 3 Ratings at c 2 c c 2 0 d 2 o 0 in. w.C. N I- CO fn Pressure Differential Total Effectiveness 100% Airflow Heating 68% 60% 65% 68% 60% 65% 68% 60% 65% 75% Airflow Heating 73% 67% 71% 73% 67% 71 % 73% 67% 71% 100% Airflow Cooling 68% 60% 63% 68% 60% 63% 68% 60% 63% 75% Airflow Cooling 73% 67% 70% 73% 67% 70 % 73% 67% 70% Net Effectiveness 100% Airflow Heating 68% 60% 65% 68% 60% 65% 68% 60% 65% 75% Airflow Heating 73% 67% 71% 73% 67% 71% 73% 67% 71% 100% Airflow Cooling 68% 60% 63% 68% 60% 63% 68% 60% 63% 75% Airflow Cooling 73% 67% 70% 73% 67% 70% 73% 67% 70% Weights Shipping Weight - lbs. 920 1250 1250 Net Weight - lbs. 805 1075 1075 'Rated in accordance with AHRI Standard 1060 -2005. For further information, please reference AHRI 1060 -2005 Standard for Rating Air -to-Air Heat Exchangers For Energy Recovery Ventilation Equipment Energy Recovery System (Energence) / Page 8 ELECTRICAL DATA - 60HZ • • 2 50R0649xH 50R1149xH 50R2050xH 50P2050xH 50R2851xM 50P2851xM 2 50R0650xH 50R1150xH 50R2051xH 50P2051xH 50R2852xM 50P2852xM Model No. 50P1149xH 50R2851xH 50P2851xH 50P1150xH 50R2852xH 50P2852xH Fresh Alr Blower 208/230V -1 ph 3.8 - - - - - - - - - - - - - - - Motor 208/230V -3ph 3.8 3.4 3.8 3.8 5.6 5.6 Full load amps 460V -3ph 3.8 1.5 1.9 1.9 2.8 2.8 575V 3ph 3.8 1.5 1.4 1.4 2.0 2.0 Exhaust Blower 208/230V 1 ph 3.8 - - - - - - - - - - - - - - - Motor 208/230V -3ph 3.8 3.4 3.8 5.6 5.6 9 Full load amps 460V -3ph 3.8 1.5 1.9 2.8 2.8 4.4 575V -3ph 3.8 1.5 1.4 2.0 2.0 3.6 Wheel Drive Motor - Full load amps 0.6 0.6 0.6 0.6 1.1 1.1 Maximum 115V -1ph 10 - - - - - - - - - - - - - - - Overcurrent 208/230V -3ph - - - 10 12 15 20 25 Protection 460V -3ph - - - 6 6 8 10 12 (amps) 575V -3ph - - - 6 5 6 7 10 ' Minimum 115V 1ph 8.7 - - - - - - - - - - - - - - - - Circuit 208/230V 3ph - - - 8.25 9.15 11.4 13.7 18.0 Ampacity 460V 3ph - - - 4.4 4.9 6 7.4 9.4 575V 3ph - - - 4.4 3.8 4.5 5.6 7.6 ' Refer to National or Canadian Electrical Code manual to determine wire, fuse and disconnect size requirements. 'A unit step -down transformer is provided, 208/230/460/575V pnmary, 120V secondary ELECTRICAL DATA - -6OHZ 50R3651xH 50P3651xH 50R4652xH 50P4652xH 50R6252xM 50P6252xM Model No. 50R3652xH 50P3652xH 50R6252xH 50P6252xH Fresh Alr Blower 208/230V 3ph 6.6 6.6 9 9 15 15 Motor 460V -3ph 3.3 3.3 4.4 4.4 7.4 7.4 • Full load amps 575V 3ph 2.4 2.4 3.4 3.4 5.8 5.8 Exhaust Blower 2081230V -3ph 6.6 9.4 9 14.8 14.8 14.8 Motor 460V 3ph 3.3 4.3 4.3 7.0 7.0 7 Full load amps 575V 3ph 2.4 3.2 3.2 5.1 5.1 5.1 Wheel Drive Motor - Full load amps 1.2 1.2 1.2 1.2 1.2 1.2 Maximum 208/230V -3ph 20 25 30 40 50 50 Overcurrent 460V 3ph 12 15 15 20 25 25 Protection (amps) 575V -3ph 9 10 12 15 20 20 'Minimum 208/230V -3ph 16.1 19.6 22 28.7 34.8 34.8 Circuit 460V 3ph 8.6 9.9 11 14.4 17.5 17.5 Ampacity 575V 3ph 6.6 7.6 8.7 11 13.6 13.6 ' Refer to National or Canadian Electrical Code manual to determine wire, fuse and disconnect size requirements. 'A unit step-down transformer is provided, 208/230/460/575V pnmary, 120V secondary. Energy Recovery System (Energence) I Page 9 ' DIMENSIONS - INCHES (MM) Note: "D" is hood depth / Model No. A B C D • 50R0649xH 24 -3/4 24-5/8 34 -9/16 8 (629) (625) (876) (203) 50R1149xH 32 -1/8 33-1/2 44-3/4 11 D 50P1149xH (816) (851) (1138) (279) 50P0650xH 24 -3/4 24-5/8 34 -9/16 8 (629) (625) (876) (203) ` 50R1150xH 32-1/8 33-1/2 44-3/4 11 50P1150xH (816) 16) (851) ) (1138) 8) (279) 50R2050xH I�I 50P2050xH 37 -1/4 37 -1/2 54 -3/8 20 -5/16 50R2051xH (946) (953) (1381) ( 516 ) 50P2051xH 1 11;h1 41111 50R2851xM 50P281 xH 42 -5/8 43 -9/16 52-1/4 18 -5/16 I o0 0 0 50R2851xM (1083) (1106) (1327) (465) 50P2851xH 50R3651xH 46- 57 -3/8 60 18-5/16 �I 50P3651xH 11/16 (1186) (1457) (1524) (465) il Optional Equipment Support Note: "D" is hood depth !rte j lr lr Model No. A B C D (11:4... ,j) 50R2852xM if i Ii 50R2852xH 42 -5/8 43 -9/16 52 -1/4 18 -5/16 i.i .; ,II II,iIi„ !i u, � b • 50P2852xM (1083) (1106) (1327) (465) �It: O ; l,� . 50P2652xH ril , 50R3652xH 46 -11/16 57 -3/8 60 18 -5/16 p ∎ Ti— '� 50P3652xH (1186) (1457) (1524) (465) 50R4652xH 52 -11/16 57 -3/8 60 18 -5/16 r \ 0\ / 50P4652xH (1338) (1457) (1524) (465) 50R6252 ` G1 50R6252xM a �' ` ,i V � 50R6252xH 58 -7/8 57 -3/8 60 18 -5/16 ` B 50P6252xM (1496) (1457) (1524) (465) . \ ���) n / 50P6252xH ' . 114? 0 4; A 1 Air Intake Blower • �1�, Enthalpy Wheel 1 , Exhaust Blower • Optional Equipment Support Energy Recovery System (Energence) / Page 10 GUIDE SPECIFICATIONS Prepared for the guidance of architects, consulting - The wheel shall be easily cleanable with standard coil engineers and mechanical contractors. cleaning solution. • General - The wheel shall be available in both fixed and pivoting • - Unit shall be a constant volume, energy recovery configurations. system used in conjunction with packaged rooftop Performance equipment. - The complete line of units shall have a cfm range of - Unit shall be directly coupled to the rooftop packaged 300 to 6200. unit to form a unitized system. - Individual units shall be available in ranges of 300- - Unit shall be performance rated in accordance with 550, 600 -1000, 1100 -1700, 1500 -2200, 220 -2800, AHRI standards and in compliance with ASHRAE or 2800 -3600, 3400 -4600, 4800 -5600, and 5500 -6200 DOE standards. cfm. - Unit shall be certified to the applicable safety - Unit shall operate to 10 °F without the need for frost standards for the cinstalled country. protection. - In addition, manufacturer shall test operate system at - Unit shall have up to 73% net effectiveness per AHRI the factory before shipment. tests. Application effectiveness shall be higher. Approval Control Operation - All models shall be certified in accordance with AHRI - Operation shall be controlled by a low voltage logic Standard 1060 -2005, Air -to -Air Energy Recovery board. Ventilation Equipment and Standard for Safety for - Logic board shall control low ambient kit and Heating and Cooling Equipment ANSI /UL 1995, CAN motorized outside air damper. CSA - 22.2 No. 236 -05 Access Doors Equipment Warranty - All components shall be accessible through - Energy Recovery wheel shall have a limited warranty removable access doors. for five years. - All energy recovery wheels shall be designed to be - All other covered components have a limited warranty removed from the unit for ease of inspection and for one year. maintenance, 25 inch and larger wheels shall be Cabinet segmented for easy removal. - Shall be designed to attach directly to the rooftop unit. Filters - Shall be constructed of G90 galvanized steel with a - Unit shall be provided with mist eliminator type filters powdered enamel paint finish electrostatically bonded in the intake air hood. to the metal. Blowers - Metal shall be salt spray tested for 1000 hours per - Intake /exhaust air blowers shall be direct drive on ASTM B -117. ERS of 1000 cfm or less. - Cabinet panels shall be fully insulated with non- - Belt drive intake /exhaust air blowers shall be used on hygroscopic fiberglass insulation. Insulation shall ERS over 1000 cfm. have an R -Value of 3.7 and shall be flame resistant Motors per UL -723. Insulation shall be in accordance with NFPA 90A and tested to meet UL 181 erosion - Blower motors on belt drive ERS shall have requirements. permanently lubricated ball bearings. Motors shall - Full perimeter base rail with top mounted rigging have thermal overload protection and shall have holes and fork truck access from three sides shall be adjustable sheaves for blower speed adjustment. provided. - Blower motors on direct drive ERS shall be PSC type - Test ports shall be provided so airflow can be with multiple speeds. measured across the energy recovery wheel. - Intake and exhaust motors shall be individually Energy Recovery Wheel controlled. - Motor efficiency shall meet requirements of U.S. - Wheel shall be of the enthalpy type for both sensible Energy Policy Act of 1992 (EPACT). and latent heat recovery. Electrical - Energy transfer ratings shall be certified in accordance with AHRI Standard 1060 -2000. - Units shall have single power point connection. - Wheel shall be constructed of a lightweight polymer - A low voltage terminal strip shall be available. • material and shall be coated with a desiccant silica Balancing Dampers gel that will not dissolve or liquefy in the presence of - Shall be provided for all fixed wheel units and shall be water or high humidity mounted inside the rooftop unit. Energy Recovery System (Energence) / Page 11 GUIDE SPECIFICATIONS Barometric Relief Dampers - Pressure operated dampers shall be provided for all operation of intake air requirements. ERS units. - Damper assembly shall be installed behind the ERS outside air intake hood. • OPTIONS Stop- Start-Jog Low Ambient Kit - Shall be a factory installed option for fixed wheel - Low Ambient Kit shall be factory installed to prevent units only. Matching rooftop unit should not have an frost formation on the energy recovery wheel. economizer. - Frost is prevented controlling the intake blower Pressure Sensor operation when discharge temperature is below a - Shall be a factory installed option to provide the selectable temperature setting. amount of outside airflow across the enthalpy wheel Motorized Outside Air Damper Assembly with Hood - Shall be factory installed to provide motorized PERFORMANCE CERTIFIED ARI Standard 1060 C us Air -to -Air ERU IaTt: • Encp R.r ..'y Co.. Po IEI:I n ccrll:cil. Aci Ipc:IC1!fYCC n ■n•: vl . a rid ireciory. org L Visit us at www.lennox.com For the latest technical Information, www.lennoxcommerclal.com Contact us at 1400 -4- LENNOX NOTE - Due to Lennox' ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability. Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury. ®2010 Lennox Industries, Inc. Installation and service must be performed by a qualified installer and servicing agency.