Currently, hydrocarbon refrigerants are being promoted as drop-in replacements to refrigeration. CSA B52 has specific provisions for the use of hydrocarbon refrigerants. Design, construction, installation and maintenance of mechanical refrigeration systems, so as to minimize the risk of injuries to workers and the general public. The owner must comply with CSA B52 requirements in its entirety. There are requirements in CSA B52 not addressed in this document such as electrical requirements, mechanical room requirements, and those related to gas detectors etc. CSA B52 Mechanical Refrigeration Code describes requirements for mechanical refrigeration installations and is adopted by the Pressure Equipment Safety Regulation under the Safety Codes Act. The primary objective of this Handbook is to provide both novice and experienced users of CSA B52 with a concise, user-friendly guide to understanding and implementing the requirements of CSA B52. See CSA B52, Mechanical Refrigeration Code Extract for CSA B51 and CSA B52 Codes Act and Regulations for the examining Jurisdiction Pens and pencils Non-programmable calculator see important note and (Normally, the above items are useful for all classes of examination.) Drawing instruments and drawing templates. Besides using the 2007 Edition of the ASME Academic Extract and Supplement, candidates may use the current edition of the ASME Code.Preface: This is the third edition of CSA B52HB, A practical handbook for implementing CSA B52:18, Mechanical refrigeration code.It supersedes the previous editions published in 20. Using this 1983 Edition of the ASME Extract for any power engineering examination is not recommended.

The information in the 1983 Edition of the ASME Boiler and Pressure Vessel Code Academic Extract is outdated.

Also, if your calculator fails to function after reset or battery removal, the examiner is not responsible and you may be at a significant disadvantage.

If the memories do not clear by resetting the calculator or by removing the battery, the calculator shall not be used. This may be done during your examination time, so be aware that you may have less time to complete your exam. Or the examiner may request that you remove the battery to erase all memory. Important: If your calculator is programmable, you must reset it in the company of the examiner so that the examiner is sure that all memories are clear.No other reference material is allowed.The items referenced above must be shown to the examiner for approval.

No cell phone or any electronic communication devices are allowed to be brought into the examination room.

The candidate must provide picture ID to the Examiner prior to the examination.

B52 mechanical refrigeration code pdf