Specifications

CFM = Airow, Cubic Feet/Minute HR = Total Heat Of Rejection, Btu/hr
COP = Coecient of Performance = BTU Output / BTU Input KW = Total Power Unit Input, Kilowatts
DH = Desuperheater Capacity, Btu/hr LAT = Leaving Air Temperature, Fahrenheit
EAT = Entering Air Temperature, Fahrenheit (Dry Bulb/Wet Bulb) LC = Latent Cooling Capacity, Btu/hr
EER = Energy Eciency Ratio = BTU output/Watts input SC = Sensible Cooling Capacity, Btu/hr
EWT = Entering Source Water Temperature, Fahrenheit LWT = Leaving Source Water Temperature, Fahrenheit
ELT = Entering Load Water Temperature, Fahrenheit LLT = Leaving Load Water Temperature, Fahrenheit
GPM = Water Flow, Gallons Per Minute TC = Total Cooling Capacity, Btu/hr
HC = Total Heating Capacity, Btu/hr WPD = Water Pressure Drop, PSI & Feet of Water
HE = Total Heat Of Extraction, Btu/hr
Glossary of Terms
4
Roth RXT Series Catalog - August 2010
Unit Nomenclature:
Glossary
Roth Geothermal Heat Pumps
2010 Models - Water-to-Air 2-stage Vertical
Rev. 08JUL2010
R X T 048 A 1 1 M M 1 C SS
Brand
R = Roth
Type
X = Multi-position Vertical
Stages
T = Two-stage
Unit Capacity
Nominal MBTUH
024,036,048,060,072
Series
A = Current Revision
Voltage
1 = 208/230 Volts, 60 Hz, 1ph RESIDENTIAL
Other Options
SS = Standard
Heat Exchanger Options
C = Copper coax (with e-coated air coil)
N = CuNi coax (with e-coated air coil)
Blower Options
1 = ECM
Discharge Air Configuration
M = Multi-position
Return Options
M = Multi-position
Hot Water Options
0 = No Desuperheater
1 = With Desuperheater & int. pump
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15