Friedrich OHS Series Specification

AirConditioners &Heat P umps
18_000 60,000ITU/h
These self-contained outdoor h eating andcooling systems provide
innovative a ndcost-effective s olutions f ortoday's lightcommercial
applications. Friedrich Wat-Nountsystems are idealfor usein
telecommunications, schools, manufactured andmoduiar buildings,
portabtebuildings, i ndustriaIequipment b utdings,commercial
offices andbuildings, andrenovation andretrofitprojects.
Superior D esign
£eatu_,_ stasds_d 0_ aHmedd4_
Scroll c ompressor forquiet a nd efficient operation withincreased
reliability ( L5tonmodels u tilize a rotary c ompressor)
TX(thermal expansion) valve forgreater comfort andefficiency
under v ar)fing load conditions
Inside filer access f oreasy maintenance
Non-metalic drainpanprevents corrosion caused b ycondensate
Coil f reeze sensor f orprotection ofcompressor dudng extreme
operal% conditions
Adjustable m anual f reshair damper
"Easy-mount" brackets adaptable tocompetitors'
cabinet widths
Single-point power c onnection
Ventlalon System Packages
Choose one option below to meet y our v entilation andindoor air
quality r equirements.
Maoual F resh AirDamper (XX)Standard ventilation system
package. Provides upto 15% outside a ir,
Motorized F resh AirDamper (×M)Two-position operation. Up to
30%oftotalairflow rating. Pressure relief i sprovided.
Commercial Room Ventlater (XC)Provides upto 100% fresh air.
Adjustable damper. Built-in exhaust system provides pressure relief.
Economizer (XE)0-100% outside a ircanbeintroduced. Provides
"freecooing"under favorable outside c onditions. Built-in exhaust air
damper provides pressure relief.
NoVentOption (XN) P rohibits outside a irfromentering i ndoor
airstream.
Accessories
SupplyAirGrlles (OXSG1/OXSG2/OXSG3) Rattle-free, fouFway
adjustable blades. Durable aluminum construction withmillfinish.
Return AirGrilles(OXffG1/OXRG2/OXffG3) Two setsofadjustable
blades. Durable aluminum construction withmillfinish.
Return Fiter Grile (OXffFG1/OXRFG2/OXffFG3) Hinged p anel
allows e asy access t ofilter. A fieldsuppled f ilterismounted inside
thegrlle.
Singte Stage Thermostat (RT2)Cool%only. 24-volt, wall-mounted
thermostat. Si%ie stage heating a ndcool%24-volt transformer is
factory insta/ed intoal chassis.
Two Stage Heat T hermostat (RT3)Heat p ump only. 2 4-volt, waif
mounted thermostat. Two stage heating ( with emergency heat); s ingle
stage cooi%24-volt transformer isfactory instaled intoa! chassis.
D rableCoastr ctioa
Weather-proof exterior panel design
Galvanized steelwithpowder paint finish
Bnit-i_rai_ hood foradded protection
Easy Serviceability
Front-side, side-out b lowers andelectric h eater
Front-side circuit b reakers
Easily accessible g auge ports