2 of 20
Introduction and General Safety ........................................2
Environmental Safety ..........................................................3
User Health and Safety .......................................................4
Operational Safety ..............................................................4
Receiving.............................................................................5
Product Descriptions ..........................................................5
50 and 250 MBH Panels .....................................................6
399 MBH Panels .................................................................6
Cleat Brackets .....................................................................7
This is a safety-alert symbol.
The safety alert symbol is shown
alone or used with a signal
word (DANGER, WARNING, or
CAUTION), a pictorial and/or a
safety message to identify hazards.
When you see this symbol alone
or with a signal word on your
equipment or in this Manual, be
alert to the potential for death or
serious personal injury.
Thank you for choosing a ProMelt Hydronic Panel for
your snow melting system installation.This manual
focuses on the installation details required for the
ProMelt Direct and HX panels. With the exception of
tubing, installation manuals relating to the controls,
sensors, manifolds and other components of the snow
melting system are included with individual parts.
Directions for tubing installation are provided in the
IOM-WR-PAP-PEX-PEXAL-PERT installation manual,
available for download in the literature section of
www.watts.com/radiant. Replacement manuals for the
ProMelt Direct and HX Panels, manifolds, fittings, bend
supports and other accessories are also available from
www.watts.com/radiant.
Replacement manuals for the snow melting controls and
sensors are available from tekmarControls.com.
This pictorial alerts you to
electricity, electrocution, and
shock hazards.
This symbol identifies hazards
which, if not avoided, could
result in minor or moderate injury.
This symbol identifies hazards
which, if not avoided, could
result in death or serious injury.
This symbol identifies practices,
actions, or failure to act which
could result in property damage
or damage to the ProMelt panel.
Introduction and General Safety
Important Safety Information
Table of Contents
Please be aware local codes may require this prod-
uct and/or the thermostatic control to be installed
or connected by an electrician.
WARNING
!
WARNING
!
Read this Manual BEFORE using this equipment.
Safety is important to those installing and servicing
a ProMelt
®
panel. Please follow all safety guidelines
in this manual, on the panel directly, as well as any
local or state guidelines.
Failure to read and follow all safety and use infor-
mation can result in death, serious personal injury,
property damage, or damage to the equipment.
Keep this Manual for future reference.
Circulators ...........................................................................7
Installation ...........................................................................8
Mounting ProMelt Panels ...................................................8
System Commissioning ....................................................12
System Maintenance ........................................................13
General Electrical Wiring ..................................................14
Appendix A ........................................................................16
Troubleshooting ................................................................20