2 NOMENCLATURE AND COMPONENTS
This section describes the model number for Liebert® PFD units and components.
2.1 PFD Model Number Nomenclature
Table 2.2 below describes each digit of the model number.
1 2 3 4 5 6 7 8 9 10 11
P F D 0 6 7 A — A L 1
Table 2.1 Prop-fan Condensing Unit Model-number Example
Digit and Description
Digits 1, 2 = The base unit
PF = Prop-fan condensing unit
Digit 3 = Compressor type
D = Digital-scroll compressor
Digit 4 = Sound level
0 = Standard
Z = Quiet-Line (067 models only)
Digits 5 and 6 = Nominal Capacity, 1,000 BTU/hr
Digit 7 = Unit type
A = Air-cooled
Digit 8 = Coil type
— = Standard coil
C = Coated coil
Digit 9 = Supply power
A = 460V / 3ph / 60Hz
B = 575V / 3ph / 60Hz (054 and 067 models only)
P = 208-230 V / 1 ph / 60 Hz (037 model only)
Y = 208-230 V / 3ph / 60Hz
Digit 10 = Head-pressure control
L = 95°F Ambient, Liebert® Lee-Temp™
H = 105°F Ambient, Liebert® Lee-Temp™ (not available on 048 model)
Digit 11 = Refrigerant
1 = R-410A, field-supplied
Table 2.2 Model-number Digit Definitions for Outdoor, Prop-fan Condensing Units
2 Nomenclature and Components 7