Alto-Shaam 4-20 ESi, Technical & Service Manual

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How to Use this Technical Service Manual
This manual has been compiled as a complete resource for a technician working on CT Express models. It includes
necessary product information and drawings, along with helpful troubleshooting procedures.
Introduction
gives a quick overview of the CT Express to aid in model identification.
Sections A through E
contain information applying to all CT Express models:
– CONTROL PANEL IDENTIFICATION includes information on using the controllers and operating instructions. It is
the same material supplied to the customer.
– PREVENTIVE MAINTENANCE includes procedures for cleaning with our without the CombiClean option. This
information is also supplied to the customer.
– SERVICE MODE AND ERROR CODES explains the special programming available to you as a technician to
view status, make adjustments and test functions on models equipped with Simple and Express Touch Controllers.
Information is also included on the use of displayed error codes to resolve problems and on the functions that can be
operated under fault conditions.
– TROUBLESHOOTING TREES are provided for the most common conditions you will be required to address.
– COMBITHERM PARTS has drawings and lists of available parts that are common to all electric models.
Sections F
contains Wiring Diagrams that is specific to each model.
Navigation
Starting with the Main Table of Contents on the following page, you may click on any item that has a page number and
quickly jump to the information you need. Note that you may Return to the Main Table of Contents from the bottom of
any Section Contents page.
Printing
You may print the Current Page or any range of pages. Here’s a tip: Because printers vary in their capacity to handle large
drawings, make a test print of one of the Wiring Diagrams before printing the model’s section.