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
28
i0,000
18
66
208-230/60/i
150
280
390
620
2O
3O
45
6O
79
47
15
14
24,600
73
104
2,000
'/_
800
'/_
30
23,600
30
14,600
20
66
208-230/60/i
199
280
390
620
3O
3O
45
60
93
58
15
14
30,000
73
105
2,600
1,000
30
25,000
28
15,000
18
86
208-230/60/1
228
280
390
520
260-520
40
30
45
60
40
150
76
27
18
36,000
73
102
2,600
i_,
1,130
i_
30
34,600
30
20,400
19
70
208-230/60/1
279
280
390
620
260-520
40
30
45
60
40
179
91
27
18
42,000
73
104
4,000
V_
1,400
30
42,000
30
25,000
19
88
208-230/60/i
318
260
520
260-520
50
30
60
40
207
127
32
27
48,000
73
i05
4,000
1,550
30
48,000
29
27,000
20
70
208-230/60/i
410
260
520
260-520
6O
3O
60
40
227
132
32
27
60,000
72
102
5,000
2,000
30
54,000
30
30,000
19
70
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
40
60-80
321
148
36
48
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
[phone] Fax[phone]
OES-OHS-BW-04
MODULAn C