Carrier 48PD05 Manuel d'utilisateur

48PD05---06Dis placement V en tilatio n or Single Zon e V a riable Air flo wRoof top Units Single Package, Electric Coo l, Gas Heatingwith PURONr (R -

10ACCESSORY WEIGHT ADDERSACCESSORY WEIGHTSOPTION/ACCESSORY WEIGHTS05 06lb kg lb kg2 --- P o s i t i o n D a m p e r 30 14 30 144--- in Filter C apabil

11BASE UNIT DIMENSIONSC08493

12ROOF CURB05-0605-0648PD48PDC07313

13SELECTION PROCEDUREI. Determine cooling and heating requirements at designconditions.Given the following data:S Vertical or horizontal supply/return

14MAXIMUM COOLING CAPACITY48PD05Te m p ( F )Air EntCondenser(Edb)AirEnteringEvaporator—Cfm1200 1600 2000AirEnteringEvaporator—Ewb(F)80 76 72 67 62 58

15MAXIMUM COOLING CAPACITY (CONT)48PD06Te m p ( F )Air EntCondenser(Edb)AirEnteringEvaporator—Cfm1200 2000 2500AirEnteringEvaporator—Ewb(F)80 72 67 62

16FAN PERFORMANCEVertical Supply/Return48PD05 (High Heat Units)AIRFLOW(Cfm)AVAILABLEEXTERNALSTATICPRESSURE(in.wg)0.2 0.4 0.6 0.8 1.0Rpm Bhp Rpm Bhp Rp

17FAN PERFORMANCE (CONT)Horizontal Supply/Return48PD05 (High Heat Units)AIRFLOW(Cfm)AVAILABLEEXTERNALSTATICPRESSURE(in.wg)0.2 0.4 0.6 0.8 1.0Rpm Bhp R

18GENERAL NOTES FOR FAN PERFORMANCE DATA TABLES1. Static pressure losses from accessories and options(Humidi-MiZer™ system, economizer, etc.) must be

19INDOOR FAN DATA48PD Fan Motor and Drive Data --- Vertical Supply/ReturnUNIT SIZE 05 06Voltage208/230 and460208/230 and460LOW STATIC DRIVE OPTIONMoto

2TABLE OF CONTENTSFEATURES AND BENEFITS 2...UNIT SUMMARY 3...DISPLACEMENT VENTILATION SUMMARY 3

20ELECTRICAL DATA48PD05--06 Without Powered Convenience Outlet48PDUNITSIZENOMINALPOWERSUPPLYV-PH-HZVOLTAGERANGECOMPRESSOR OFMCOMBUST.FANMOTORFLACONVOU

21WIRING DIAGRAMSC10046

22C10053

23SEQUENCE OF OPERATIONGeneralThe 48PD rooftop units use Puronr (R--410A) refrigerant andComfortLinkt DDC controls. The PD units are intended to beuse

24Reset of the Cooling Supply Air Set Point is set by theconfiguration variables SASP Maximum Reset Down(SASPMAXD) and SASP Maximum Reset Up (SASPMAXU

25Cooling Mode Using Space Temperature SensorT55, T56 or T58 and HumidistatEnhanced dehumidification can be provided when a humidistat(HL38MG029, TSTA

26APPLICATION DATADuctworkDuctwork should be attached to the curb on all units. Ductworkshould NOT be attached to the unit. Interior installation may

27Low Ambient ApplicationsIn most low ambient cooling situations, the optional Carriereconomizer can adequately cool the space by bringing in lowtempe

28GUIDE SPECIFICATIONSPackaged Rooftop Electric Cooling Unit with GasHeat, Variable Capacity, Variable Air VolumeCooling Constant Air Volume Heating w

293. Induced--draft blower shall be of the direct driven, singleinlet, forward--curved, centrifugal type. It shall be madefrom aluminized steel with a

3UNIT SUMMARYThere are two key elements that separate a Centurion PD unit fromother Centurion units; the use of a variable speed fan and amodulating c

30H. Filter Section1. Standard filter section shall consist of factory installed 2--in.thick disposable fiberglass filters and shall be on a dedicated

31e. Economizer outdoor hood shall be pre--painted and fullyassembled.f. Economizer shall be available for field or factoryinstallation.4. * Two--Posi

4MODEL NUMBER NOMENCLATURE48PD606Product Series48PD --- Single Packaged Rooftop Unit with PURONRGas Heat,Variable capacitycompressor and variable spee

5AHRI CAPACITY RATINGSUNIT 48PDNOMINALCAPACITY (Tons)*COOLING CAPACITY(MBtuh)SEER EERRATEDCFMSOUNDRATING(dB)05 4 47,500 15.2 12.55 1,600 7206 5 58,500

6GAS HEATING CAPACITIES AND EFFICIENCIESVertical and Horizontal Supply Units with Natural Gas (Three Phase)48PDHEATING INPUTStage 2 (Btuh)HEATINGINPUT

7PHYSICAL DATABASE UNIT 48PD05 06NOMINAL CAP ACITY (Tons)4 5OPERATING WEIGHT (lb)*Base Unit901 921EconomizerVertical40 40Horizontal50 50Roof Curb14-in

8BASE UNIT 48PD 05 06GAS HEAT SECTION#ofGasValves 1 1Gas Supply Line Pressure Range (in.wg)5.0---13.0 5.0---13.0Gas Supply Line Pressure Range (PSIG)0

9FIOP AND ACCESSORY TABLECATEGORY ITEMSTANDARDFEATUREOPTION* ACCESSORY{CabinetHinged Access Panels X XT h r u --- t h e --- B o t t o m C o n n e c t