ISSUE DATE 12-12-08 REV. DATE 12-12-08 REV. LEVEL: 01 ECN: GP-5179 OIPM P/N 3420466 PG
6
OF
20
Options for using the GF-SK-1 with Fostoria FHK-Series heaters:
INSTALLATION PLANNING (cont.)
Mounting Option
Heater Compatibility
Mounting GF-SK-1 directly
onto heater
FHK-6xx, FHK-13xx (cannot be mounted to FHK-2xx and FHK-4xx)
Wall-mounting the GF-SK-1
(see explanation below)
FHK-2xx, FHK-4xx, FHK-6xx, FHK-13xx
The GF-SK-1 can monitor a single heater as denoted
above but the most cost effective arrangement of the
system is realized when monitoring a circuit of
multiple heaters. The total number of heaters that
can be monitored by one GF-SK-1 is dependant upon
the heater models selected and the supply voltage.
Using the total watts of the selected heaters to be
monitored, the known supply voltage (be certain the
heater voltage rating matches the supply voltage),
and the phase of the supply, the total load or “amps”
can be calculated. The GF-SK-1 is capable of
monitoring a heater circuit of up to 50 amps
maximum.
A licensed electrician or design
engineer must do the necessary calculations.
FIRE HAZARD
•
Serious injury or death may
occur.
•
Heater circuit load
calculations and circuit design
must be done by a licensed
electrician or engineer.
Installer Qualifications
The installation and wiring of Fostoria FHK heaters
must be performed by a licensed electrician.
Installer Responsibility
The National Electric Code (NEC) and local codes
and ordinances together with specifications provided
by Fostoria comprise the information needed for
proper installation. The installer must furnish all
materials that have not been purchased from Fostoria
or its representatives. It is the installer’s responsibility
that the materials and methods of installation result in
a job that is workmanlike and compliant with all
applicable codes.
Over-voltage is a major cause of element
failure with these heaters. Make certain the
power supply voltage is no more than 2%
above the rated voltage of the heater being
utilized.
The maximum ampacity rating for an infrared
heating circuit is 50A.
The opening in the terminal box for branch
circuit supply wiring on FHK-2 models is sized
for 1/2-inch trade size cable connectors.
Openings in terminal boxes for supply wiring on
FHK-4, FHK-6 and FHK-13 models are sized for
3/4-inch trade size cable connectors.
Cable connectors and cables are not provided
with these heaters. (See Specifications on page 4
for exceptions.)
Preparations for Wiring Heaters
