Electrical Requirements; Figure 11 Typical Compressor Module Electrical Requirements; Table 2 Typical Compressor Module Power Supply Requirements - Emerson Copeland Scroll SZV32 Installation, Operation & Maintenance Manual

Dual-Compressor Module

2.6.4 Electrical Requirements

Figure 11 Typical Compressor Module Electrical Requirements

1
5 5
Power
to Compressors
(2)
Table 2 Typical Compressor Module power supply requirements
Compressor Power (data based on 480VAC)
Module horsepower
VFD voltage supply range
Phase
Frequency
Maximum VFD input current
Low Voltage DC Specifications - Oil Cooler Fan Voltage and Power
Fan motor voltage
Total fan motor current
Additional power may be required to support customer logic and control circuits.
* Contact factory for information about single-phase applications.
** Reduced capacity at 50 Hz.
1 1
Optional if more than one Optional if more than one
compressor module used Compressor Module used
4
2
3
24VDC
24V Discrete Inputs
Cooling
from Scroll Module
Fan
Code
1 Control Techniques VFD,* 30 HP
2 24VDC power supply **
3 PLC or other control for inputs from
Compressor Module
4 480V 3-phase input ***
5 Overload protection device, 2 required
Notes
* VFD on Variable Speed Drive models.
** All other components supplied by Packagers.
*** Contact factory for information about single-phase
applications.
Variable Speed
342-528VAC
3-phase*
50/60 Hz
24VDC
13
Installation
Description
30 HP
37A
9A
2006SSD-75 R4 (10/10)