Table Des Matières; Important; Installation Manual General - nVent RAYCHEM EM4-CW Manuel D'installation

EM4-CW-CABLE
Installation Manual
General ........................................................................................................................................................... 7
EM4-CW-Cable heating system .................................................................................................................... 8
Additional items ............................................................................................................................................ 8
Layout considerations .................................................................................................................................. 9
Preparing subsurface ................................................................................................................................... 9
Cable resistance and insulation resistance test ....................................................................................... 10
Heating cable installation ........................................................................................................................... 11
Slab Preparation & Reinforcement ............................................................................................................. 12
Installing the Temperature and Moisture Sensor ...................................................................................... 15
Check the installation ................................................................................................................................. 16
Embedding Works - Concrete Pouring ....................................................................................................... 17
Top surface installation .............................................................................................................................. 18
Drain tracing system with self-regulating heating cable (8BTV2-CT) ...................................................... 18
Finishing ...................................................................................................................................................... 19
Operating ..................................................................................................................................................... 20
Trouble shooting ......................................................................................................................................... 20
GENERAL

Important

All the instructions provided in this manual must
be followed carefully to ensure that the heating
system operates correctly. The installation must
also be compliant with local electrical heating
system requirements.
Warning
The nVent RAYCHEM EM4-CW-Cable is an
electrical device which must be designed and
installed correctly. Follow all design, installation,
test and operating instructions to ensure proper
operation and to prevent electrical or fire hazard.
De-energize all power circuits before installation
or servicing.
• Keep ends of trace heaters and kit components
dry before and during installation.
• The braid shall be connected to an earth
terminal.
• The presence of a trace heating shall be made
evident by the posting of caution signs or
marking where clearly visible.
Scope
This manual focuses on the installation
of EM4-CW-Cable in screed and sand for long-
term structural stability.
nVent can supply a different series of suitable
products for laying in screed/concrete, asphalt or
other applications.
nVent.com | 7