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The unit will be secured to the roof curb using #14— 3" self taping screws. There will be
•
8 screws on each side of the unit and 4 screws on each end of the unit to hold it down.
The same will be done to secure the adaptor curb to the existing curb.
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Unit Report For 20T
Project: --Untitled70 10/05/2012
Prepared By: 03:11 PM
Unit Parameters Dimensions (ft. in.) & Weight(lb.) *"*
Unit Model' 48TCED24A2A5-6DOGO Unit Length' 11' 9.5"
Unit Size: 24(20 Tons) Unit Width- 7' 2.625"
Volts-Phase-Hert • 208-3-60 Unit Height 4' 1.375"
Heating Type' Gas **• Total Operating Weight 2559 lb
Duct Cfg• Vertical Supply/Vertical Return
Medium Heat "' Weights and Dimensions are approximate. Weight does
Round Tube Plate Fin Coils not include unit packaging. Approximate dimensions are
provided primarily for shipping purposes.For exact
dimensions and weights,refer to appropriate product
data catalog.
Lines and Filters
Gas Line Size: ..3/4
Condensate Drain Line Size' 3/4
Return Air Filter Type' Throwaway
Return Air Filter Quantity. 6
Return Air Filter Size: 20 x 25 x 2
Unit Configuration
Medium Static Option -Vertical Models
Al/Cu-Al/Cu
Electromechanical Controls w/W7220 Econo Controller
Temperature economizer with centrifugal power exhaust(Vertical Air Flow Only)
Standard Packaging
2-Speed indoor fan motor controlled by VFD
Warranty Information
1-Year parts(std.)
5-Year compressor parts(std.)
10-Year heat exchanger-Aluminized(std.)
No optional warranties were selected.
NOTE: Please see Warranty Catalog 500-089 for explanation of policies and ordering methods.
Ordering Information
Part Number Description Quantity
48TCED24A2A5-6DOGO Rooftop Unit 2
Base Unit
Medium Static Option -Vertical Models
Electromechanical control, Temperature economizer with centrifugal
power exhaust and W7220 economize
2 Speed Fan Controller (VFD)
Packaged Rooftop Builder 1.30 Page 2 of 8
Certified Drawing for 20T .
Project: -Untitled70 10/05/2012
Prepared By:
03:11PM
UNITED 7..0.INS NIN IS 17 IRCMNNI IS TO 1101[111 D<G11i0 CIS1011110 1
IM IS NLIn1IR RR05 TIII n1115i 10011105 101 IMi 101511S1A 01 1X[5[IS01ii a'VI'
TE[HMOIWIES snA11u.n IRIS 01 COISIITUTI PSI!KR1ISOKI IS
COMM tlss 501 IS 1151IOfr 0 510 Ri1051 MI MI
�� _-_--_---- CARRIER ISM CORIOIS110P1 011111 COMP =MAKI Of Mona-
IS IS' HORIZONTAL CONNECTION SIZES
- 11021 WITNOUI \ ■ ■ RETURN AIA
RETUR A 1 3/6.014 1351 FIELD POWER SUPPLY KNOCKOUT
ECOMOMII[A G SUPPLY AIR B 3'DIA[76]FIELD POWER SUPPLY KNOCKOUT
HORIZONTAL 5-5/6 53-3/l C 3 516'016 1121 FIELD POSER SUPPLY KNOCKOUT
SUPPLY I 11111
I 11365]
19-1/4 D 711' DIA[221 FIELD CONTROL WIRING HOLE
-•_ �•______ _ 4- "691 6-114 '.-25-112 E 311'-11 MPT CONDENSATE DRAIN
�� _-
11561 11511 16 N1 II 11511 ♦ r 314'-14 SPY GAS CONNECTION SNOT SHOWNI
5-5/6 3-1/4 1 t
11141 5-1/4 1641 p� - 1` 1
1135] 23-3/6 —.--1--r� 1 1 UNIT
G H
15931 I `
175614 31-1/2 . ( •• „I 24 SIZE 110511 112531_WOliii 0511 �./ 26 SIZE 112531 114561
BACK 50-3/4 •
112691
7�
IMMORAL MOW=IVO ECONOMIZER 66-116 615611
gl COMM 111271 IOPHOODDALI [11301
• ).( • ) NOTES:
• i \
_ _ _ •, "- 1. D ME N1 OS E M YN LLNCEI SD.INESIOS
/
2. CENTER OF GRAVITY
1 9 �_. A ( • ) II 3.11410,DIRECTION OF AIR FLOW
11-016 o,?!R .11 }LJ--I
14611 WITH ECONOMIZER r 1113) WIWNA 1
S _ i 1 A.B.0 to /e�� B
61-5/6— I 1 O J [2161 11 5-1/2 3.1/4 3-1/8
115341 12-116 I 12191 [1611 [63] R61
16-7/6 7.1/1
LEFT 14161 BACK 111141 [3291 16151°
1 1/4'DIA 1321
50-1/2-- TOP K KNOCKOUT
11011ZONTPL OP!DlA V ECOI 112641
OM ORDERBX
24-116 2'DIA[511 t CONDENSER
[630] HOLES COIL
1-7/0 11631 CONTROL FILTER .. IMO � i—-----------—
— — 1121] BON I AND BLOWER
YDOOA ACCESS CONDENSER
ELECTRICAL 16-1/1 / IA CVs ACCESS PA EL
COIL
DISCONNECT [12211
LOCATION
OUTSIDE / PANEL
GAS ACCESS I 'H'
1 lRI ! ! ! 111511 I AIR I IN ■ i ■
h-.—_____ A- I EINAUSCFLOW _ II I!
1 h=
!-3/6
1-776 [2391 15-116 1D-11/ FLUE HOOD 2-5/6
LEFT [12U , 13141 12591 i AIR INTAKE 1611 66-518
LEFT DOOR LIFTING HOOD
TIP [2199]
RETURN AIR HANDLE I SUPPLY AIR CURB
IIIL. 50-1/2 � WIDTH RIGHT
112631
111-1/2
135951
SISII ISIS 00(31(110 48TC 24-28 SINGLE ZONE ELECTRICAL m
50HE501158
1 Or 2 09/15/08 COOLING WITH GAS HEAT . 6+
Packaged Rooftop Builder 1.30 Page 3 of 8
Certified Drawing for 20T
Project: —Untitled70 10/05/2012•
Prepared By: 03:11 PM
UNITED L0.qI MU IN/S IOCYNENI IS INS ROIStn II CATNIP CaMLLrla 00.11 ssla rc ins//NSnws a IREUrN rs
TECHNOLOGICS sliNCNsE.Ni INN 15 NSEIr[IEI NINA INN[111103 CRNllla rs31 rH1 IONS NGr CONSr]rNrl 13Ir NEIraWCI OI
NAM. UNIT CORNER CORNER CORNER CORNER C G CARRIER HOST Ca1ENi5 NILE M IE ICONDUIEI a OSP Nl rxpur PII IEI ICCIEIINCI a CONIIMI
UNIT WEIGHT WEIGHT IA/ WEIGHT 181 WEIGHT ICI WEIGHT 101 larama•s enlEltauEn -
LB5. IG. LBS. MG. LB5. NG. LB5. MG. LB5. MG. 6 2 2
46TC21 2325 1055 448 203 631 286 728 330 517 235 46 1/8 111721 82 1/8 121051 16 122 14191
461C28 2455 1114 473 215 666 302 169 349 546 248 46 178 111121 82 718 121051 19 14831
Y —
CORNER A CORDER B
/
X , , . ( •
1
( • )( •
CORDER D CORNER C
TOP
1
z
Mtl!FuI
..,.,
, ..... FRONT
50Er PATE 51/01031(5 48TC 24-28 SINGLE ZONE ELECTRICAL SOHE501158 rz
2 OF 2 09/15/08 - COOLING WITH GAS HEAT 1 . 6+
- Packaged Rooftop Builder 1.30 Page 4 of 8
Performance Summary For 20T
Project: -Untitled70 10/05/2012
Prepared By: 03:11 PM
Part Number:48TCED24A2A5-6DOGO
ARI EER• 9.80
IEER• 11.7
Base Unit Dimensions
Unit Length- 141.5 in
Unit Width• _ 86.6 in
Unit Height* 49.4 in
Operating Weight
Base Unit Weight' 2072 lb
Medium Heat: 90 lb
Medium Static Option-Vertical Models- 6 lb
Temperature economizer with centrifugal power exhaust(Vertical Air Flow Only)• 371 lb
2 Speed Fan Controller (VFD)• ... ... 20 lb
Total Operating Weight- _ _ 2559 lb
Unit
Unit Voltage-Phase-Hertz' _. _... .._._....._..... .. ..._..._........... ..._........... ... .._.._.------208-3-60
Air Discharge: ______. ... .._ _ Vertical
Fan Drive Type:-._-___-__ Belt
Actual Airflow: _..._-.. 8000 CFM
Site Altitude: 0 ft
Cooling Performance
Condenser Entering Air DB• 95.0 F
Evaporator Entering Air DB• 80.0 F
Evaporator Entering Air WB• 67.0 F
Entering Air Enthalpy. 31.44 BTU/lb
Evaporator Leaving Air DB• 57.7 F
Evaporator Leaving Air WB• 56.9 F
Evaporator Leaving Air Enthalpy: ____ _ _._ 24.32 BTU/lb
Gross Cooling Capacity ......___256.10 MBH
Gross Sensible Capacity _.._. _____— _._. 192.60 MBH
Compressor Power Input ... 19.80 kW
Coil Bypass Factor 0.081
Heating Performance
Heating Airflow* 8000 CFM
Entering Air Temp* 70.0 F
Leaving Air Temp. 99.1 F
Gas Input Capacity 248.0 1 310.0 MBH
Gas Heating Capacity' 251.00 MBH
Temperature Rise' 29.1 F
NOTE: Second Stage
Supply Fan
External Static Pressure' 1.00 in wg
Options/Accessories Static Pressure
Economizer 0.08 in wg
Power Exhaust: (Fan Data Includes Drop)
Total External Static- _ 1.08 in wg
Fan RPM' 987
Fan Power 4.96 BHP
NOTE: Selected IFM RPM Range:835-1021
. Power Exhaust
Return Duct Static. 0.20 in wg
Max. Air to Exhaust- 4650 CFM
Packaged Rooftop Builder 1.30 Page 5 of 8
Performance Summary For 20T
Project: -Untitled70 10/05/2012
Prepared By: 03:11 PM
Electrical Data(Before July 30,2012)
Minimum Voltage __.._.___ ._ 187
Maximum Voltage- __ _._..__._ .253
Compressor#1 RLA _. . _._ _._.______ 48.1
Compressor#1 LRA• _ 245
Compressor#2 RLA• __-__._ .29.5
• Compressor#2 LRA• 195
Outdoor Fan Motor Qty. ________ ______________.__....................4
Outdoor Fan FLA(ea). 1.5
Indoor Fan Motor Type. MED
Indoor Fan Motor FLA. 17.1
Combustion Fan Motor FLA(ea). 0.52
Pwr. Exhaust Fan Motor Qty- 2
Pwr. Exhaust Fan Motor FLA. 5.9
Power Supply MCA
Power Supply MOCP(Fuse or HACR)• 150
Min. Unit Disconnect FLA- __. 129
Min. Unit Disconnect LRA _._.__. _ _.__. ._.._._-._ - ._..._.-___ ._______._ 556
Electrical Convenience Outlet- __._._ .__._._.._..__._._..._.._..._. _..._.._..._......__None
Electrical Data(July 30,2012 and Beyond)
Indoor Fan Motor FLA- _ 17.1
Power Supply MCA: 124.5
Power Supply MOCP. 150
Disconnect Size FLA: _..._..__.__ _ 129
Disconnect Size LRA• 556
July 30th and beyond units can be identified by serial number 3112X0000X0X and higher
Control Panel SCCR: 5kA RMS at Rated Symmetrical Voltage
• Acoustics
Sound Rating 87.0 db
Sound Power Levels, db re 10E-12 Watts
Discharge Inlet Outdoor
63 Hz 94.2 94.4 95.6
125 Hz 88.5 77.6 87.5
250 Hz 81.2 71.3 84.2
500 Hz 80.6 63.6 84.2
1000 Hz 75.1 58.3 81.7
2000 Hz 73.4 54.2 77.9
4000 Hz 73.1 47.7 73.2
8000 Hz 65.0 36.2 66.3
A-Weighted 82.7 70.8 86.5
Advanced Acoustics
0
Advanced Accoustics Parameters 1
1. Unit height above ground: 30.0 ft ;Y.
2. Horizontal distance from unit to receiver 50.0 ft y \\`
3. Receiver height above ground 5.7 ft
4. Height of obstruction: 0.0 ft
•
5. Horizontal distance from obstruction to receiver. 0.0 ft 0 kO
6. Horizontal distance from unit to obstruction- 0.0 ft 0 O
Packaged Rooftop Builder 1.30 Page 6 of 8
Performance Summary For 20T
Project: -Untitled70 10/05/2012
Prepared By: 03:11 PM
Detailed Acoustics Information
Octave Band Center Frequency, Hz _ 63 125 250 500 1k 2k 4k 8k Overall
- 1. Sound Power Levels at Unit's Acoustic Center, Lw 95.6 87.5 84.2 84.2 81.7 77.9 73.2 66.3 96.9 Lw
2. A-Weighted Sound Power Levels at Unit's Acoustic Center. LwA 69.4 71.4 75.6 81.0 81.7 79.1 74.2 65.2 86.5 LwA
3. Sound Pressure Levels at Specific Distance from Unit, Lp .63.2 55.1 51.8 51.8 49.3 45.5 40.8 33.9 64.5 Lp
4. A-Weighted Sound Pressure Levels at Specific Distance from Unit, LpA 37.0 39.0 43.2 48.6 49.3_46.7 41.8 32.8 54.1 LpA
Calculation methods used in this program are patterned after the ASHRAE Guide; other ASHRAE Publications and the AHRI
Acoustical Standards. While a very significant effort has been made to insure the technical accuracy of this program, it is assumed
that the user is knowledgeable in the art of system sound estimation and is aware of the tolerances involved in real world acoustical
estimation. This program makes certain assumptions as to the dominant sound sources and sound paths which may not always be
appropriate to the real system being estimated. Because of this, no assurances can be offered that this software will always generate
an accurate sound prediction from user supplied input data. If in doubt about the estimation of expected sound levels in a space, an
Acoustical Engineer or a person with sound prediction expertise should be consulted.
20
Fan Curve
1 q. - -
0 . ..
L ' ,o.00 pii
;116:4r
.:di.
Cg2 10 ____, IwurigliorMrl 1
1166, ..00:50BHp-
05 „..___ _,.......m..,1,. _ ,.;„,. ,
ii„,„wk.,,,,kti.:. . .. : ,
co mi....h.. h.... 161116 .i 1
%11 \
0 1 2 3 4 5 6 7 8 9 10
Air flcw(CFM-thousands)
RPM=987 BHP=4.96 MaximwnRPM=1290 Maximum HP=15.00
SC-System Ci nve RP-Rated Point
Packaged Rooftop Builder 1.30 Page 7 of 8
•
Unit Feature Sheet for 20T
Project: —Untitled70 10/05/2012
Prepared By: 03:11 PM
(Carrie
fail/
WeatherMaker — 48TC
PACKAGED ROOFTOP GAS HEATING/ELECTRIC COOLING UNITS
15,17.5,20,25,27.5 TONS
STANDARD FEATURES INCLUDE:
• Puron(R-410A)NFC refnpMnt
• ASHRAE 80 1 energy compient
• Scroll compressors with internal line bookend overload protection
• Tem-stage cooing capacity control on al models
• Round tube/plate fn condenaercoes on al sizes or Novston PR
aluminum condensercoils available on 17-28 sizes.
• EER's up to 10.8 and IEER'a up to 12.0
• Acutror•refrigerant metering system
• Exclusive noncorrosive composite condensate pan n accordance with
ASHRAE Standard 62,sloping design.
• Standard cooling operation up to 115•F(46'C)and down to
Sot o-a i Economizer and Power Exhaust Shown 30•F(-1•C)anti lent temperatures.
• Pre-panted exterior panels and prmer-coated interior paneletested to
500 hours sal spray protection
• Fully insulated cabinet
• Exclusive(GC solid-state control for on-board diagnostics with LED
ASHRAE limo raod*designation bumercontrol logic and energy saving indoor
fan motor delay
Puron. • Induced draft gas heat combustor design
�i�iVil • Redundant gas valves with up to two stages of heating
COMPLIANT • Low pressure and high pressure swatch protected.
MAINTENANCE FEATURES:
• kbpraccess panels with easy grip handles
• Innovative easy starting.no-step screws on unit access panels
• 74o-inch dsposable return at filters will integral easy opening access
WEATHERMAKER SERIES flange and side outfits?track
WeatherMaker(48TC)units are single packaged gas heating. • Bel Ie
drive evaporator-fan motor and puycombnatons
Central terminal board facitatng simple safety circuit troubleshooting
electric cooling units that are pre-wired andchargedwithPuron and simplified control box arrangement
(R-410)refrigerant They are factory tested in both heating
and cooling modes, and rated in accordance with ARI INSTALLATION FEATURES:
Standard 340/360. WeatherMaker units are designed in • Thru-ha-bottom pow,rentrycapability
accordance with UL Standard 1995,and listed by ETL. • Single point gas and eiectnc connections
• Fua perimeter base nil with bui-in rigging adapters and fork slots
• Dedicated venccaland horizontal airflow models over/able and ordered
as a factory option only No special kits required
STANDARD WARRANTY:
• 10-year neat exchanger pans-15-year parts stainless steel option
• 5-year compressor parts
OEM • 3-year parts Novation condenser coil
• 1-yestparts
• 1.lsnyoptlonal upgrades also avatabe
uwO w.NOM c ra
TV lip.Y..•
"•w6°"• OPTIONS INCLUDE BUT ARE NOT LIMITED TO:
C SUS o re w.• •. • PrerrwrLnie•and Mill Protocol Direct Digital Controls MCC)
,,,dd,da,w • Supply and Return Air Smoke Detectors
• }.tedium and High static motors
• Louvered condenser coil guards.Manua I Damper,CO2 sensor
• Economizer,disconnect and convenience outlet options
• Stainless Steel Heat Exchanger option
• Corrosion resistant coil coating
• Accessory electric heat(field-installedonly)
Certified to ISO 9001 • Accessory 4"filter track assembly(field-instaledonly)
• Humidi-Mil-era adaptive dehumidification system.With RTPF
• Condenser colmodelsony(17to28 sizes only)
• Hinged access panels
Fora complete kit of options and accessories refer to the Product Data
Catalog forthis unit.
Packaged Rooftop Builder 1.30 Page 8 of 8
Vesta
11950 SW Garden PI. Tigard
Push/Pull Two 20-Ton Rooftop HVAC Units
North
30'
63'
Unit
' #12
33' Unit
• -
#15 63'
33'
• 1r
Submitted by:
Mark Piscitelli
Specialty Heating&Cooling
503-953-6864
mark @specialtyheating.com