Friedrich OHS Series User manual

AirConditioners&HeatPumps

18_000 60,000ITU/h

Theseself-containedoutdoorheatingandcoolingsystemsprovide

innovativeandcost-effectivesolutionsfortoday'slightcommercial

applications.FriedrichWat-Nountsystemsare idealfor usein

telecommunications,schools,manufacturedandmoduiarbuildings,

portabtebuildings,industriaIequipmentbutdings,commercial

officesandbuildings,andrenovationandretrofitprojects.

SuperiorDesign

£eatu_,_stasds_d0_aHmedd4_

Scrollcompressorforquietandefficientoperationwithincreased

reliability(L5tonmodelsutilizearotarycompressor)

TX(thermalexpansion)valveforgreatercomfortandefficiency

undervar)fingloadconditions

Insidefiler accessforeasymaintenance

Non-metalicdrainpanpreventscorrosioncausedbycondensate

Coilfreezesensorforprotectionofcompressordudngextreme

operal%conditions

Adjustablemanualfreshairdamper

"Easy-mount"bracketsadaptabletocompetitors'

cabinetwidths

Single-pointpowerconnection

VentlalonSystemPackages

Chooseoneoptionbelowtomeetyourventilationandindoorair

qualityrequirements.

MaoualFreshAirDamper(XX)Standardventilationsystem

package.Providesupto15%outsideair,

MotorizedFreshAirDamper(×M)Two-positionoperation.Upto

30%oftotalairflowrating.Pressurereliefisprovided.

CommercialRoomVentlater(XC)Providesupto100%freshair.

Adjustabledamper.Built-inexhaustsystemprovidespressurerelief.

Economizer(XE)0-100%outsideaircanbeintroduced.Provides

"freecooing"underfavorableoutsideconditions.Built-inexhaustair

damperprovidespressurerelief.

NoVentOption(XN)Prohibitsoutsideairfromenteringindoor

airstream.

Accessories

SupplyAirGrlles (OXSG1/OXSG2/OXSG3)Rattle-free,fouFway

adjustableblades.Durablealuminumconstructionwithmillfinish.

ReturnAirGrilles(OXffG1/OXRG2/OXffG3)Twosetsofadjustable

blades.Durablealuminumconstructionwithmillfinish.

ReturnFiterGrile(OXffFG1/OXRFG2/OXffFG3)Hingedpanel

allowseasyaccesstofilter.Afieldsuppledfilterismountedinside

thegrlle.

SingteStageThermostat(RT2)Cool%only.24-volt,wall-mounted

thermostat.Si%iestageheatingandcool%24-volttransformeris

factoryinsta/edintoal chassis.

TwoStageHeatThermostat(RT3)Heatpumponly.24-volt,waif

mountedthermostat.Twostageheating(withemergencyheat);single

stagecooi%24-volttransformerisfactoryinstaledintoa!chassis.

D rableCoastr ctioa

Weather-proofexteriorpaneldesign

Galvanizedsteelwithpowderpaintfinish

Bnit-i_rai_hoodforaddedprotection

EasyServiceability

Front-side,side-outblowersandelectricheater

Front-sidecircuitbreakers

Easilyaccessiblegaugeports

OES/OHSSPECiFiCATiONS*

ELECTRICALDATA:

_ii_i_iJ![ii_!@_!_i_i_i_1___

PHYSICALD£A:

17,000

i0,000

208-230/60/i

150

280

390

620

24,600

104

2,000

'/_

800

'/_

23,600

14,600

208-230/60/i

199

280

390

620

30,000

105

2,600

1,000

25,000

15,000

208-230/60/1

228

280

390

520

260-520

150

36,000

102

2,600

i_,

1,130

34,600

20,400

208-230/60/1

279

280

390

620

260-520

179

42,000

104

4,000

1,400

42,000

25,000

208-230/60/i

318

260

520

260-520

207

127

48,000

i05

4,000

1,550

48,000

27,000

208-230/60/i

410

260

520

260-520

227

132

60,000

102

5,000

2,000

54,000

30,000

Hardwired Hardwired Hardwired Hardwired Hardwired Hardwired

360 385 425 435 440 460 810

340 360 400 415 420 440 590

208-230/60/i

480

520

260-520

520-520

60-80

321

148

Hardwired

I) RatedinaccordancewithARIstandard240andDepartmentofEnergyteststandards.Ratingsarenetvaluesbasedon230-voltoperation,Auxiliaryebctrmresistanceheatisnotincluded.Ratingsare

basedon:OoolingStandard:80°Fdb67T wbindoorenteringairtemperatureand95°Fdbairenteringtheoutdoorcoil Hi-TempHeatingStandard:70°Fdbindoorenteringairtemperatureand47°Fdb

43°FwbairenteringtheoutdoorcoiLLo-TempHeatingStandard:70°Fdbindoorenteringairtemperatureand17°Fdb,15°Fwbairenteringtheoutdoorcoib2) Themax.operatingvoltageis253andmin.

operatingvoltageis 197,3) 20kwbeatsystemsutilizetwo(2)circuitbreakersforebctrbheaters(relevantonlyto5-tonA/Cmodel)4) Basedon230V,wetcoilwith1'filtecHi-fanspeed.

CONTROL

BOX A_ESS

RAIN --P--

CIRCUIT _

BREAKER

ON/OFF

ACCESS

VENTI/A] ION _

BACK LEFT8_DE FBONT BIGHTSIDE

* Allspecificationsaresubjecttochangewithoutnotice,

Frbdnch AirConditioningCo. I www.frieddoh,com

RO,Box1540 SanAntonio,TX 78295-1540

(800)541-6645 Fax(210)357-4481

OES-OHS-BW-04

MODULAn C

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