C6.2.44/0219/E
3
2
Product description
2.1 Common information about Copeland Scroll
Digital™ compressors
The Scroll compressor has been under development at Emerson since 1979. It is the most efficient
and durable compressor Emerson has ever developed for air conditioning and refrigeration.
These application guidelines deal with Copeland Scroll
™ Digital compressors for air
conditioning ZRD36KRE to ZRD92KRE. These compressors include a wide range of
capacities, electrical options and features.
Compressor
Cooling capacity [kW]
Motor
R450A
R513A
ZRD36KRE
2.55
3.00
PFJ/TFD
ZRD48KRE
3.47
4.09
TFD
ZRD61KRE
4.28
5.05
TFD
ZRD72KRE
5.14
6.03
TFD
ZRD92KRE
6.26
7.51
TFD
Table 1: Cooling capacity for ZRD*KRE compressors @ -10°C/45°C/10K/0K
Copeland Scroll Digital compressors have one scroll compression set driven by a single or three-
phase induction motor. The Scroll set is mounted at the upper end of the rotor shaft of the motor.
The rotor shaft axis is in the vertical plane.
2.2 Nomenclature
The model designation contains the following technical information about the compressor:
2.3 BOM Variation
The BOM (bill of material) number at the end of the compressor designation indicates the
compressor layout and details.
In general, there is one BOM version for the whole range of ZRD*KRE compressors:
BOM 455
braze connections, oil sight glass, oil service connection, IP21 t-box, no mounting
parts
Please refer to the Emerson price list for more details.
