Sti 7520-HTR User Manual download pdf (Page 2)

ILLUSTRATION 3

ILLUSTRATION 4

Safety Technology International, Inc.

306 Airport Road • Waterford, Michigan 48327-1209

Phone: 248-673-9898 • Fax: 248-673-1246

Toll Free: 800-888-4784 • E-mail: info@sti-usa.com

Web: www.sti-usa.com

Safety Technology International (Europe) Ltd.

nit 49G Pipers Road • Park Farm Industrial Estate • Redditch

orcestershire • B98 0HU • England • Tel: 44 (0) 1527 520 999

Fax: 44 (0) 1527 501 999 • Freephone: 0800 085 1678 (UK only)

E-mail: [email protected] • Web: www.sti-europe.com

5. Mount the heater plate assembly to the back box with

control thermostat toward bottom of enclosure (see

Illustration 2). 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.

4. Connect heater power and control wires.

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

“HEAT ON”

RED LED

“POWER ON”

GREEN LED

CONTROL THERMOSTAT

CLOSED @ 50°F

OPEN @ 70°F

#6-32 THREADED HOLES

FOR MOUNTING ELECTRONIC

DEVICE (6 PLACES)

SUB-7520-HTR

(FRONT VIEW)

EVICE WIRING

ACCESS HOLE

VER TEMP SAFETY

HERMOSTAT

OPEN @ 120°F

CLOSED @ 90°F

LOW TEMP WARNING

THERMOSTAT

LOSED @ 32°F

OPEN @ 50°F

RESISTOR HEATER

SUB-7520-HTR

(BACK VIEW)

TERMINAL BLOCK

(4 CONNECTION)

/8 in. THICK ALUMINUM

OUNTING PLATE

LED CONTROL

JAN2010

7520HTR INSTALL

1 2

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