WATLOW ELECTRIC MANUFACTURING COMPANY
Installation & Maintenance Manual for MULTICELL
TM
Heaters
I&M MANUAL No: 316-42-21-1
Page: 12
Date: 3/15/2017
Rev: 5.00
WATLOW ELECTRIC MANUFACTURING COMPANY - 6 INDUSTRIAL LOOP RD.
– HANNIBAL, MO 63401 - PHONE 573-221-2816
Original Instructions (English)
Wiring
WARNING
The User must ensure that the installer uses all relevant PPE (Personal Protection
Equipment).
WARNING
– Risk of Electric Shock
Do not interrupt the protective earth circuit / ground.
Any interruption or disconnection of the protective earth circuit used by this
heater will create a dangerous situation and could result in an electric shock that
in some situations could lead to serious injuries!
If an enclosure is provided, this symbol indicates (shown below) where the
protective earth ground should be connected in the electrical enclosure of the
heater.
Electric heaters can be a source of stray current (aka leakage). Further, a short to
ground is a common end-of-life failure mode for many kinds of electric heaters. To
guard against injury or damage to equipment a GFI style circuit breaker selected to
accommodate the electrical leakage during normal operation may need to be
installed to ensure the safe operation of the heater.
WARNING
– Risk of Electric Shock
The installation and wiring of this heater shall only be done by a qualified electrician,
in accordance with applicable national and local electrical codes.
For heaters that do not already have insulated supply leads provided, the User must
take action to cover any exposed conductive surfaces by adding suitable insulating
material such as sleeving, heat shrink sleeve insulation, ceramic beads, etc.