MNL-126509
April 4, 2013
Page 75
CHAPTER 6: ELECTRICAL PANEL, ASY-1058 XL
6.1
Overview
These instructions apply to units that use Electrical Panel
,
ASY-1058 XL and Operator Interface
.
The Electrical Panel, ASY-1058 XL, provides logical control and safety shutdowns for the compressor
equipment. All necessary time delays, counters, shutdowns, sequencing and safety features are incorpo-
rated into a proprietary software program permanently saved into PLC memory using EEPROM tech-
nology. The software program used in this Electrical Panel is based on the pressure and use of the
compressor.
The input/output device for normal operation of the compressor unit is the Operator Interface,
MNR-0053. In an emergency the compressor is shutdown with the E-Stop Button.
6.2
Electrical Panel
This Electrical Panel is designed for use with 5, 7½, 10, 15 or 20 horsepower electric motors. It is also
designed for supply voltages from 208 VAC to 460 VAC, single or three phase and 50Hz or 60 Hz. All
supply voltage options are not available with each horsepower rating.
The basic panel components consist of a Programmable Logic Controller (PLC), Motor Starter, Over-
load Relay, Power Transformer, Fuses, Overload Reset Button, Hourmeter, terminal strips for internal
Figure 6-1
ASY-1058 XL and MNR-0053
