Multiplex MPX-001 Service Manual

MPX-001

Previous Design with Rocker Switches New Design with ERC and Electronic Touch Pad

07/08

Parts & Service Communicator

Subject: Multiplex Units with ERC (Electronic Refrigeration Controls)
and Single TXV

SCOPE

St arting in June 2008 Multiplex Model 50M Soda Refrigeration Unit s are being built with ERC
(Electronic Refrigeration Controls) and a single thermal expansion valve. With these changes the
rocker switches have been replaced with an electronic touch pad and LED display that will
continuously show the temperature reading on each circuit with indicator lights to identify each
circuit that corresponds to the temperature reading. Models 42M & 44M (Soda), SC1000 (Super­Chil), SC2000 (Super-Chil), 300 (Beermaster), & 450 (Beermaster) will also be receiving these
updates.

SERIAL BREAKS & PART NUMBERS

The serial number for the LAST Model 50 with electro-mechanical controls and 2 expansion valves is:
1 10743482 Production END DATE: JUNE 13th 2008.

The serial number for the FIRST Model 50 with ERC and 1 expansion valve is: 110743487
Production START DATE: JUNE 16th 2008

The Model 44/42 (ERC from the start) is planned for August 15TH (2008) production.
Models that are configured with the ERC will have an “E” added to the part number , for example:

50MA04 without ERC = TS905050-263
50MA04 with ERC = TS905050E-263

Manitowoc Foodservice Group, 2110 S. 26th St., P.O. Box 1720, Manitowoc, WI 54221-1720, Tel: [phone], www.manitowocfsg.co m

.