Use and Care Manual

8
SPECIFICATIONS - Models 20 thru 75
Description
Model
20 25 35 50 75
Operating Conditions
RatedCapacity
@125psig,8.8kgf/cm
2
*
scfm
m
3
/min
60 / 50 Hz
60 / 50 Hz
20/17
0.57/0.48
25/21
0.71/0.59
35/27
0.99/0.76
50/50
1.42/1.42
75/61
2.12/1.7
MaximumWorkingPressure 250psig(17.6kgf/cm
2
)
MaximumInletTemperature 180°F(82°C)
Min/Max.AmbientTemperature 40-110°F(4-43°C)
PressureDrop@
rated capacity
psi
(kgf/cm
2
)
60 / 50 Hz
60 / 50 Hz
4.5/2.9
(0.32/0.20)
3.3/2.4
(0.23/0.17)
4.7/2.9
(0.33/0.20)
4.5/4.5
(0.32/0.32)
3.8/2.2
(0.27/0.15)
Refrigeration System Data
CompressorType  Hermetic,Rotary,PermanentSplitCapacitor
BTU/HR-RefrigerationOnly
@ASRE-TConditions
60 / 50 Hz 8720/7043 12500/9970
OutletAirTemperature
(nominal@ratedconditions)
155°F(68°C)
RefrigerantType R-407C
RefrigerantCharge oz(grams)
60 / 50 Hz
SeeDryerSerialTag
SuctionPressureSetting 67psig(4.7kgf/cm
2
)
FactoryTest(design)Pressure
highside/lowside
330/178psig(23.2/12.5kgf/cm
2
)
CondenserFanSwitchSetting(in-out) 240-180psig(16.9-12.7kgf/cm
2
)
AirFlowAcrossCondenser cfm
m
3
/min
60 / 50 Hz
60 / 50 Hz
280/235
(7.9/6.7)
620/515
(17.6/14.6)
Electrical Data
Unit
VAC/phase/Hz
115/1/60
115/1/60
 Minimum/maximumvolts 98-127
 FullLoadAmpS(FLA) 8.7 12.6
 BranchCircuitFuseSize(amps) 15 20
Compressor
 Volts/phase/Hz
115/1/60
 RatedLoadamps(RLA) 7.5 11.0
 LockedRotoramps(LRA) 44.0 67.0
 Watts(input) 853 1220
 Overload(External) ThermalandCurrent(AutoReset)
Condenserfanmotor
 Volts/phase/Watts(output)
115/1/25 115/1/35
 FullLoadAmps(FLA) 1.2 1.6
Unit
 VAC/phase/Hz
220-240/1/50
220-240/1/50
 Minimum/maximumvolts 198-264
 FullLoadAmps(FLA) 3.4 6.0
 BranchCircuitFuseSize(amps) 15
Compressor
 Volts/phase/Hz
220-240/1/50
 RatedLoadamps(RLA) 2.8 5.1
 LockedRotoramps(LRA) 18.6 28.0
 Watts(input) 690 990
 Overload(External) ThermalandCurrent(AutoReset)
Condenserfanmotor
 Volts/phase/Watts(output)
220-240/1/18.3 220-240/1/25.6
 FullLoadAmps(FLA) 0.6 0.8
* Capacity @ 180°F, 82°C inlet temperature, 160°F, 71°C inlet pressure dew point, 95°F, 35°C ambient temperature, 50°F, 10°C outlet pressure dew
point, and less than 5 psi, 0.35 kgf/cm
2
pressure drop.