As part of M&M Systems commitment to provide outstanding service to its customers, this section contains PDF files of the most commonly requested electrical drawings for some of our products.  The page is divided into three areas which are Industrial Refrigeration, Commercial Controls and Gas Detection.  In addition to these drawings, additional drawings are available directly from our OEM customers for their complete product line.

 All files are in a PDF formation and require Adobe Acrobat reader.

Please Contact Us with any difficulties with this page or submit a Information Request From for additional drawings or assistance. 

Industrial Refrigeration

M&M Refrigeration Compressor Controller Drawings

Retrofit Compressor Controller Drawings

Communication Wiring, Layout and Dimensional Drawings

Commercial Controls

Split Package Controller Drawing

Gas Detection

GDS-8 Gas Detection Controller Drawing

Industrial Refrigeration

M&M Refrigeration produces a complete line of Industrial Refrigeration Controls.  The following list contains a few of the electrical drawings available from M&M Refrigeration; other drawings are available upon request.

M&M Refrigeration Compressor Models

A Series (Sabroe) Screw Compressor Drawing

S Series (Stal) Screw Compressor Drawing

M Series (Mycom) Screw Compressor Drawing

D Series (Dunham-Bush) Screw Compressor Drawing

HW Series (Howden WRV) Screw Compressor Drawing

HX Series (Howden XRV) Screw Compressor Drawing

Standard Reciprocating Compressor Drawing

CO2 Reciprocating Compressor Drawing

Retrofit Controllers for additional Manufacturers

RDB Screw Compressor Drawing

RXB/RXF Screw Compressor Drawing

RWB Screw Compressor Drawing

Sullair Screw Compressor Drawing

Additional Drawing Available on Request

Communication Wiring, Layout and Dimensional Drawings

Standard Communication Wiring

Master Panel Drawing

Remote Panel Layout

Screw Panel Layout

Recip Panel Layout

Evaporator Panel Drawing

Additional Drawing Available on Request

Commercial Controls

Split Package

M&M Systems produces a fully configurable Split Package Control System (SPCS).  The following electrical drawing details the connections of the SPCS controller.

Split Package Control System Drawing

Gas Detection  

Gas Detection

M&M Systems produces a fully configurable Gas Detection, Monitoring and Reporting System, the GDS-8.  The following manual details the operation of the GDS-8 controller.

GDS-8 Gas Detection System Drawing