
Safety Technology International, Inc.
2306 Airport Road • Waterford, Michigan 48327-1209
Phone: 248-673-9898 • Fax: 248-673-1246
T
oll Free: 800-888-4784 • E-mail: info@sti-usa.com
W
eb: www.sti-usa.com
Safety Technology International (Europe) Ltd.
U
nit 49G Pipers Road • Park Farm Industrial Estate • Redditch
Worcestershire • B98 0HU • England • Tel: 44 (0) 1527 520 999
Fax: 44 (0) 1527 501 999 • Freephone: 0800 085 1678 (UK only)
E
-mail: info@sti-europe.com • Web: www.sti-europe.com
IF CONDUIT HUB
IS NEEDED ORDER
SUB-6297B20
HUB KIT, GASKET
AND FASTENERS
NOTE:
SUB KIT IS
3/4 in. RIGID
DIE CAST
SUB-6297B20
3/4” NPT CONDUIT
HUB KIT (NOT
INCLUDED)
MOUNTING TABS & FASTENERS
19013 #10 x 1 1/2” PAN HEAD SCREW
07503 THUMB LOCK (SHOWN)
STI-7511F-HTR
18050 KEYLOCK STI-7510F-HTR
19033 PLASTIC ANCHOR
19013 #10 x 1-1/2 PAN
H
EAD SCREW (4) PROVIDED
0
6297T MOUNTING
T
AB (4) PROVIDED
19033 #10-12 PLASTIC
ANCHOR (4) PROVIDED
0
6297A-M BACK BOX
629721A FRAME GASKET
19002 #8-32 x 3/8”
PAN HEAD MACH SCREW
(4) PROVIDED
SUB-7500-HTR ASSEMBLY
19051 #8-32 x 3/8”
F
LAT HEAD SCREW
(4) PROVIDED
19083 M-F #8-32 x 3/8”
STANDOFF (4) PROVIDED
*
ADDITIONAL STANDOFFS MAY BE REQUIRED
WHEN USING A WATERTIGHT CONDUIT HUB.
19083 M-F #8-32 x 3/8”
1
9093 M-F #8-32 x 1-1/2”
1
9056 M-F #8-32 x 3”
(
NOT INCLUDED)
1
8021 3/4” NPT
WATERTIGHT CONDUIT
HUB (NOT INCLUDED)
0
7503 THUMB LOCK - STI-7511A-HTR
1
8050 KEY LOCK - STI-7510A-HTR
629723 COVER GASKET
DRILL (4) 1/4” DIAMETER
HOLES 1 1/4” DEEP
BACK BOX
H
EAT
O
N
P
OWER
5.59 in.
(142mm)
7.53 in.(191mm)
INSTALLATION INSTRUCTIONS
1. Remove heater plate assembly (Illustration 1) from back box by
removing 4 flat head screws and set aside.
2. Mount back box and cover assembly in desired position. With
hinges horizontal or vertical, insert the (4) mounting tabs into
the back box slots (see Illustration 2). Mark and drill (4) 1/4”
diameter holes 1 1/4” deep. Insert plastic anchors and screw
back box to wall with (4) #10 x 1 1/2” screws.
3. Route wires for heater and appliance into back box through
conduit or small hole properly sealed.
ILLUSTRATION 1
ILLUSTRATION 2
Electronic warranty form at www.sti-usa.com/wc14
INSTALLATION OF HEATED POLYCARBONATE ENCLOSURE STI-7510A&F-HTR, STI-7511A&F-HTR
All specifications and information shown were current as of publication, and are subject to change without notice.
7510A-HTR IS JULY 2007

LOW TEMPERATURE
W
ARNING TERMOSTAT
C
LOSE @ 32°F
OPEN @ 50°F
ALUMINUM MOUNTING PLATE
TERMINAL BLOCK
(4 WIRE CONNECTION)
LED CONTROL
THERMOSTAT HOLDER
RESISTOR HEATER
OVER TEMP SAFETY
THERMOSTAT
OPEN @ 120°F
CLOSE @ 90°F
LOW
TEMP
POWER
THUMB LOCK
6
29723 HINGED COVER
629721A FRAME
06297F-M BACK BOX
SUB 7500-HTR ASSEMBLY 1/8 in.
CONTROL THERMOSTAT
CLOSED @ 50°F OPEN @ 70°F
S
TANDOFF MALE FEMALE
#
8-32 x 3/8”
19051 (4)
#8-32 x 3/8 FLAT
HEAD MS
“HEAT ON” RED LED
“POWER ON” GREEN LED
ADDITIONAL EYELET FOR SECONDARY LOCK
DEVICE WIRING ACCESS HOLE
ELECTRONIC DEVICE
MOUNTING HOLES
Safety Technology International, Inc.
2306 Airport Road • Waterford, Michigan 48327-1209
Phone: 248-673-9898 • Fax: 248-673-1246
Toll Free: 800-88 8-4784 • E-mai l: info @sti-us a.com
W
eb: www.sti-usa.com
Safety Technology International (Europe) Ltd.
U
nit 49G Pipers Road • Park Farm Industrial Estate • Redditch
W
orcestershire • B98 0HU • England • Tel: 44 (0) 1527 520 999
Fax: 44 (0) 1527 501 999 • Freephone: 0800 085 1678 (UK only)
E-mail: info@sti-europe.com • Web: www.sti-europe.com
4. Connect heater power and control wires. Note: Terminals are not
JUNE2008
ILLUSTRATION 3
polarity sensitive.
a. Connect low temperature monitor terminals to supervisory panel
if used (see Illustration 3).
b. Connect power terminals to power source. 12-24 volt AC/DC.
• Heating capacity is determined by input voltage. Be sure
the power source has enough capacity to support the load
at the input voltage.
12 Volt, 19 WATTS
16.5 Volt, 36 WATTS
24 Volt, 77 WATTS
• 16.5 VAC adapter included
ILLUSTRATION 4
5. Mount the heater plate assembly to the back box with
control thermostat toward bottom of enclosure (see
Illustration 4). Be sure to route wires for electronic device
through the hole in the center of the heater plate before
attaching heater plate. For vertical mounting (hinges to
right or left side) be sure control thermostat is towards
the bottom of the enclosure.
6. Connect the electronic device and mount to the heater
plate in mounting holes indicated using #6 - 32 x 1/2”
screws (2) provided.
NOTE: If moisture buildup occurs, drill a weep
hole on bottom side of back box.
7510A HTR INSTALL