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Published Manual Number/ECN: ME7MXR11AE/2014264A
• Publishing System: TPAS2
• Access date: 07/29/2014
• Document ECNs: Latest
Schematic/Electrical Parts
Milnor® Washer-Extractor
MWR12X5, MWR16X5,
& MWR18X4
EP-Express Controls
PELLERIN MILNOR CORPORATION
POST OFFICE BOX 400, KENNER, LOUISIANA 70063-0400, U.S.A.
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Summary of Contents for Milnor MWR12X5
- Page 1 Published Manual Number/ECN: ME7MXR11AE/2014264A • Publishing System: TPAS2 • Access date: 07/29/2014 • Document ECNs: Latest Schematic/Electrical Parts Milnor® Washer-Extractor MWR12X5, MWR16X5, & MWR18X4 EP-Express Controls PELLERIN MILNOR CORPORATION POST OFFICE BOX 400, KENNER, LOUISIANA 70063-0400, U.S.A.
- Page 3 Description Document Component Parts List W7MXRPL/2014264N Limited Standard Warranty BMP720097/2008272A How to Get the Necessary Repair Components BIUUUD19/20081231 How to Use Milnor® Electrical Schematic Diagrams BIUUUK01/20130308 Sample Schematic BMP010012/2001503N 3 Phase Motor Connection Diagram BMP850029/1999362B 3P Motor Diagram-Multivolt W80008/2001253A Board to Board Wiring...
- Page 7 (unless the time period is specifically extended for certain parts pursuant to a specific MILNOR published extended warranty) from our factory with no operating hour limitation. This warranty is contingent upon the equipment being installed, operated and serviced as specified in the operating manual supplied with the equipment, and operated under normal conditions by competent operators.
- Page 8 • If the component is an electrical component, give the schematic number if known. • If the component is a motor or an electrical control, give the nameplate data from the used component. To write to the Milnor factory: Pellerin Milnor Corporation Post Office Box 400...
- Page 9 “SR” stands for safety reset. Thus, CDSR is a time delay relay that serves as a safety reset. ® The following are descriptions of electrical components used in Milnor machines. Descriptions are in alphabetical order by the component class code (two character prefix).
- Page 10 ® How to Use Milnor Electrical Schematic Diagrams Figure 2: Time Delay Relay (CD) Coil and Contacts Legend Coil Contacts CL=Control, Latch Relay (Figure 3)—A relay which latches in an energized or set position when operated by one coil (the latch/set coil). The relay stays latched even though coil voltage is removed.
- Page 11 ® How to Use Milnor Electrical Schematic Diagrams Figure 5: Photo-eye (CP) Symbols Legend Example of single assembly Example of two separate assemblies CS=Control, Contactor/Motor Starter (Figure 6)—A relay capable of handling heavier electrical loads, usually a motor. Figure 6: Other Control Symbols...
- Page 12 ® How to Use Milnor Electrical Schematic Diagrams Figure 7: Thermal Overload (ET) Schematic Symbol Legend Heater (one per phase) Overload relay; contacts open if overload condition exists EX=Electrical Transformer (Figure 8)—A device that transfers electrical energy from one isolated circuit to another, often raising or lowering the voltage in the process.
- Page 13 ® How to Use Milnor Electrical Schematic Diagrams Figure 10: Proximity Switches (PX) Switch Symbols Legend Alternating current proximity switch Direct current proximity switch SC=Switch, Cam Operated (Figure 11)—A switch in which the electrical contacts are opened and/or closed by the mechanical action of a cam(s). Applications include 35-50 pound timer operated machines, Autospot, timer reversing motor assembly, and some balancing systems.
- Page 14 ® How to Use Milnor Electrical Schematic Diagrams Figure 15: Mechanical Switch (SM) Figure 16: Pressure Switch (SP) ST=Switch, Temperature Operated (Figure 17)—A switch that is actuated at a preset temperature (e.g., dryer safety probes) or has adjustable set points (e.g., Motometers or Combistats).
- Page 15 Milnor machines often do not correspond to the pin numbers shown in the schematics. • Ignore pin numbers imprinted on in-line connectors (e.g., Molex connectors) and relay bases.
- Page 16 ® How to Use Milnor Electrical Schematic Diagrams Figure 22: Plug-in Relays 11-pin Relay with Grey Base Legend Left. View of relay base Right. Same view, show- ing pin num- bers 14-pin Relay with Grey Base (older) 14-pin Relay with Black Base (newer)
- Page 17 ® How to Use Milnor Electrical Schematic Diagrams Note 3: Relay functional names ending with the letter "M" (e.g., CRxxM) are not discrete components but are a component of a printed circuit board. They are usually not individually replaceable. Figure 23: AMP Connector Pin Locations...
- Page 18 ® How to Use Milnor Electrical Schematic Diagrams Figure 24: Molex Connector Pin Locations 15-pin Connector 9-pin Connector 6-pin Connector 4-Pin Connector 2-pin Connector Legend View of mating halves of connector Same view, showing assigned pin numbers PELLERIN MILNOR CORPORATION...
- Page 19 ® How to Use Milnor Electrical Schematic Diagrams Figure 25: Pressure Switch Component Legend Contact 1—Normally open Contact 2—Normally closed Contact 3—Common Figure 26: Toggle Switch Component Legend Normally closed contacts Common contacts Normally open contacts Pole Figure 27: Switch with Replaceable Contact Blocks...
- Page 20 3. Line numbers are provided along the bottom edge of the drawing. These permit service ® personnel in the field and at the Milnor factory to quickly relate circuit locations when discussing troubleshooting over the phone. Page and line numbers are referenced on the drawing as explained in items five and six below.
- Page 21 This page intentionally left blank.
- Page 22 This indicates on which page (W6DRYGS+) and line number (08) the relay coil can be found for this set of contacts Any relay that ends with an "M" is located on an electronic board. This indicates on which schematic page and line number the relay contacts of this coil (on Line 08) are located (i.e.,...
- Page 23 Mass termination assembly Pin number 1MTA5-9 MTA designation on board Board MTA group designation An MTA is a connection on an electronic circuit board. The notes and the tag page locate the appropriate board. Major revision (letter) Page number (S+) Machine type (Gas fired dryer) Wire identification marking.