Munters Rotem RBU-27 SE User Manual

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Table of Content
1. Front matter ............................................................................................................................................ 4
1.1 Introduction ..................................................................................................................................... 4
1.2 Conventions .................................................................................................................................... 4
1.3 Contact Information ......................................................................................................................... 4
1.4 Document Information ..................................................................................................................... 4
2. Precautions ............................................................................................................................................. 5
3. Introduction to the RBU-27 SE ............................................................................................................... 5
3.1 Switch Functions ............................................................................................................................. 6
3.2 RBU-27 SE Functions ..................................................................................................................... 7
3.2.1 Inlet or Tunnel Air Source ...................................................................................................... 7
3.2.2 Cool Weather Protection ........................................................................................................ 7
3.2.3 Hot Weather Protection ......................................................................................................... 8
3.2.4 Platinum Fail Safe ................................................................................................................. 9
3.2.5 Inlet/Tunnel Power Supply ..................................................................................................... 9
4. Specifications ....................................................................................................................................... 10
5. Installation............................................................................................................................................. 11
5.1 Safety Instructions ......................................................................................................................... 11
5.2 Mounting the Unit .......................................................................................................................... 11
5.3 sPlatinum Controller Notes ............................................................................................................ 11
5.4
Wiring ........................................................................................................................................... 11
5.5 Drilling ........................................................................................................................................... 18
6. Troubleshooting ................................................................................................................................... 19
6.1 General Issues .............................................................................................................................. 19
6.2 Contactors and Terminals Issues .................................................................................................. 19
6.2.1 Contactor Check and Terminals Example ............................................................................ 19
6.2.2 Internal Contacts ................................................................................................................. 20
7. Appendix A: Adding a Timer Stage ..................................................................................................... 23
8. Appendix B: Electrical Grounding ....................................................................................................... 25
8.1 Ground Rods................................................................................................................................. 25
8.2 Ground Wire.................................................................................................................................. 25
8.3 Ground Clamps ............................................................................................................................. 25
8.4 What Should Be Grounded?.......................................................................................................... 26
9. Warranty & Limitation of Liability ........................................................................................................ 27

Munters Rotem RBU-27 SE Specifications

General

Brand	Munters
Model	Rotem RBU-27 SE
Category	Controller
Language	English