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Milnor 42044 WR2 User Manual

Milnor 42044 WR2
81 pages
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Published Manual Number/ECN: ME6HWR2ZAE/2021033A
• Publishing System: TPAS2
• Access date: 01/21/2021
• Document ECNs: NOT latest
Schematic/Electrical Parts
42044, 60044 & 72044
WR2, WR3
PELLERIN MILNOR CORPORATION POST OFFICE BOX 400, KENNER, LOUISIANA 70063-0400, U.S.A.
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Milnor 42044 WR2 Specifications

General IconGeneral
BrandMilnor
Model42044 WR2
CategoryWasher
LanguageEnglish

Summary

Schematic and Electrical Parts for Milnor Machines

Safety Manual Reference

Instruction to consult the separate safety manual before operation.

Component Parts List

Control Box Layouts

Lists components for various control box layouts.

Printed Circuit Boards

Details various printed circuit boards used in the system.

Limited Standard Warranty

Warranty Terms and Conditions

Details Milnor's standard warranty coverage, exclusions, and limitations.

Obtaining Repair Components

Component Ordering Process

Instructions on how to identify and order necessary repair parts.

Understanding Milnor Electrical Schematics

Component Identification and Classification

Explains component prefixes and their meanings in schematic diagrams.

Relay and Photo-Eye Symbols

Illustrates and explains symbols for relays and photo-eyes.

Other Control Symbols

Defines symbols for buzzers, clutches, displays, fuses, and lights.

Transformer, Motor, and Inverter Symbols

Explains symbols for transformers, motors, and variable speed inverters.

Switch Type Symbols

Illustrates symbols for various switch types like cam, hand-operated, and key lock.

Terminal Boards and Rectifiers

Explains symbols for terminal boards and rectifiers (ZF).

Connector Pin Locations

Shows pin locations for AMP and Molex connectors.

Plug-in Relay Identification

Illustrates different types of plug-in relays and their pin configurations.

AMP Connector Pinouts

Detailed pin numbering for 36-pin and 18-pin AMP connectors.

Molex Connector Pinouts

Detailed pin numbering for various Molex connector sizes.

Pressure, Toggle, and Rotary Switch Symbols

Illustrates symbols for pressure, toggle, and rotary switches.

Schematic Diagram Features

Explains how to read schematic diagrams, including line numbers and match points.

Autospot Control Schematic

Component Locations and Wiring

Diagram showing component layout and connections for autospot.

Wire Identification and Circuit Details

Explains wire marking and details of the 3-wire circuit.

Motor Connection Diagrams

Three Phase Motor Wiring

Illustrates wiring for three-phase single-speed motors with multiple voltage ratings.

Single Speed Motor Wiring Schematics

Provides various single-speed motor connection diagrams based on lead configurations.

Control Boards Inputs/Outputs

MILTOUCH-EX Controls for WR2/3

Details inputs and outputs for MILTOUCH-EX controls on WR2/3 models.

MilTouch-Ex Power Supplies

Testing and Adjusting Power Supplies

Instructions for testing and adjusting ESPS and ESPS2 power supply voltages.

Low Voltage Control Box Schematic (42044WR2/3)

Board Connections and Layout

Diagram of board connections and layout for 42044WR2/3 low voltage box.

High Voltage Control Box Schematic (42044 WR2/SR2)

Component Layout for 42044 High Voltage Box

Shows component placement within the 42044 WR2/SR2 high voltage control box.

High Voltage Control Box Schematic (60044WR2/3)

Component Layout for 60044 High Voltage Box

Shows component placement within the 60044WR2/3 high voltage control box.

Low Voltage Control Box Schematic (60044WR2/3)

Board Connections for 60044 Low Voltage Box

Diagram of board connections for the 60044WR2/3 low voltage control box.

Low Voltage Control Box Schematic (72044WR2/3)

Board Connections for 72044 Low Voltage Box

Diagram showing board connections for the 72044WR2/3 low voltage control box.

High Voltage Control Box Schematic (7244WR2/3-7244SR2/3)

Component Layout for 7244 High Voltage Box

Shows component placement within the 7244WR2/3-7244SR2/3 high voltage control box.

Autospot Circuit Schematic

Microprocessor Input Connections

Wiring diagram for microprocessor inputs related to autospot pockets.

Autospot Sensor Connections

Diagram showing connections for autospot sensors like ELPS.

Autospot Switch and Relay Connections

Illustrates logic for autospot switches (SCAS) and relays (CRAS).

Autospot Control Schematic (72044WR2/3)

Details the start circuit and jog logic for 72044WR2/3 autospot.

Autospot Circuit Schematic (Part 3)

Wiring diagram for microprocessor inputs related to autospot pockets.

Autospot Sensor Schematic (60044 WR2/3)

Diagram showing connections for autospot sensors and relays on 60044 WR2/3.

Board-to-Board Wiring Schematics

Power Supply and Board Interconnections

Shows wiring between power supplies and various control boards.

Temperature Probe and Flow Meter Wiring

Illustrates wiring for temperature probe and flow meter to control boards.

Flushing Supplies Schematic

Relay and Valve Connections for Flushing

Diagram showing relay and valve connections for chemical flush operations.

Chemical Flush Valve Wiring

Details the wiring for chemical flush valves (VEC06-VEC14).

Interpret Relay Connections

Shows connections for interpret relays used in chemical pump control.

Liquid Supply - Interpret Relays Schematic

Illustrates how interpret relays control chemical pumps.

Central Liquid Supply Flush Schematic

Diagram showing valve connections for central liquid supply flush system.

Manifold Flush Valve Wiring

Wiring for flush manifold valves (VEC15, VECFM).

Electrical Valves Schematic

Valve Controls for Brake, Water, and Drain

Shows valve control circuits for brake, hot/cold water, and drain functions.

Valves for Drain and Cooldown

Diagrams for drain-to-reuse and cooldown valves.

Valves for Brake, Water, and Sewer

Illustrates valve controls for brake, water, and drain-to-sewer functions.

Microprocessor Input Schematics

Inputs for Speed, Brake, and Clutch

Shows microprocessor inputs related to speed, brake, and clutch controls.

Microprocessor Inputs Schematic

Details various input signals to the microprocessor for system control.

Drive Motor Contactors Schematic

Contactor Circuits for Motors

Illustrates contactor circuits for drain, wash, and autospot motors.

Motor Connections Schematics

Low and High Extract Motor Wiring

Shows wiring diagrams for low and high extract motors (MTE1, MTE2).

Drain, Wash, and Autospot Motor Wiring

Illustrates wiring for drain, wash, and autospot motors (MTDR, MTWA, MTAS).

Control Circuit Power Transformer Schematics

200-240V and 380-480V Transformers

Shows transformer wiring for 200-240VAC and 380-480VAC control circuits.

600V Control Circuit Power Transformer

Illustrates the transformer wiring for 600VAC control circuit power.

Door Circuits and Master Switch Schematics

Door Latch and Master Switch Logic

Shows logic for door latch switches and the master switch.

Notes on Door Circuit Jumper Usage

Provides notes on jumper usage for autospot and 2-door models.

Door Latch and 3-Wire Control Logic

Illustrates door latch and 3-wire control logic with associated relays.

Master Switch and Speed Circuit Schematic

Shows connections for speed switches and clutch control.

Door Circuits and Master Switch Schematic (Part 2)

Details logic for door latch and 3-wire circuits with various switches.

Inverter Wiring Schematics

Inverter Wiring (42044 WR2)

Illustrates inverter wiring for autospot and jog control functions.

Inverter Wiring (60044 WR2/WR3)

Shows inverter and motor connections, including braking unit.

Inverter Wiring (42044 WR2) - Part 2

Details inverter wiring for autospot, DC injection, and alt extract.

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