Options And Accessories - Hatco GR2A-24 Installation And Operating Manual

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Infinite Switch
Use the following procedure to install an infinite switch. An
infinite switch needs to be installed into an approved electrical
box/enclosure (not supplied) by a qualified electrician.
WARNING
ELECTRIC SHOCK HAzARD: Turn OFF power switch,
disconnect unit from power source, and allow unit to cool
before performing any cleaning, adjustments, or maintenance.
NOTICE
To prevent premature failure of components due to
excessive heat, remote mounted control switches must be
installed outside the strip heater heat zone.
1. Verify unit is off and disconnected from the power source.
2. Install the infinite switch. Refer to the wiring diagram for
proper electrical connections. Make sure the switch is
installed with the "H1" terminal oriented on top. This will
ensure that the switch functions match the markings on
the switch label.
• Power In: L1 and L2 (for 100V and 120V units, L2 is
neutral)
• To Heating Element: H1 and H2
NOTE: The terminals on the infinite switch are specially
designed, high-temperature rated terminals that do not
require solder connections.
NOTICE
The infinite switch must be installed using the terminals
and wires supplied with the switch. Failure to use the
supplied Genuine Hatco Replacement Parts will void all
warranties and may damage the equipment.
LOAD
Infinite Switch Wiring Diagram (rear view)
NOTE: Make sure the switch is installed with the "H1" terminal
oriented on top ("12 o'clock" position), as shown above.
This will ensure that the switch functions match the
markings on the switch label.
Infinite Switch Kit Part Numbers
Part Number Voltage
R02.19.160.00 100 volt
R02.19.018.00 120 volt
R02.19.017.00 208 volt
R02.19.019.00 240 volt
Form No. GR2AM-1116

OPTIONS AND ACCESSORIES

Overhead Mounts
Overhead mounts are available in lieu of 14" (356 mm) standard
legs. This is a factory installed option, not available for retrofit.
Use the following procedure to install a unit to the ceiling.
1. With overhead mount covers removed, attach overhead
mounts on each end of unit using supplied screws.
2. Mark the holes on the ceiling using the "Mounting Dimensions"
illustration below. All models have one conduit hole except
models listed below.
• Two Conduit Holes: All Tandem units,
GR2AH-XXD (60–84"), GR2AL-XXD (84"), and
GR2AHL-XXD (60–84")
Bolt Hole
2''
(51 mm)
3. Drill the marked holes.
100V
• The bolt holes are 1/4" (6 mm) diameter.
120V
• The conduit hole(s) are 1" (25 mm) diameter.
208V
240V
4. Place the unit into position over the mounting holes with
the electrical conduit(s) positioned through the channel and
LINE
center mounting hole(s).
5. Secure the unit to the ceiling with supplied 1/4" x 1-1/2"
(6 x 38 mm) hex bolts and nuts.
6. Install overhead mount covers onto overhead mounts by
NEUTRAL
snapping into place.
NEUTRAL
208V
240V
Overhead Mount
21
Front View
Overall Width
minus
2-7/32'' (56 mm)
Top View - Mounting Flange
Conduit
Holes
15/16''
(24 mm)
3''
(76 mm)
Mounting Dimensions
Screws
Installing Overhead Mount
4''
(102 mm)
Bolt Hole
2''
(51 mm)
Nut
Bolt
Overhead
Mount
Cover