King Electric LCD-7A - Manual (Page 2)

The ETI logo, Snow Switch, LCD and We Manage Heat are reg is tered trademarks of En vi ron men tal Technology, Inc.
© 2008 Environmental Technology, Inc. All rights reserved.
Operating temperature
Range
(Min/Max) –40/140°F (-40/60°C)
Setting 38°F (3.3°C)
Tolerance (+/–) 1.5°F (-17°C)
Lockout temperature
Setting
––
Tolerance (+/–) ––
Hold-On Timer
Nominal timer 3 Hr.
Tolerance (+/–) 1%
Output Relay
Rated Voltage (volts a-c 50/60 Hz)
120 Volts
Maximum Load 16 Amps
Supply
Rated Voltage (volts a-c 50/60 Hz)
120 Volts
Tolerance (+/–) 10%
Nominal Power 0.6 Watts
INSTALL IN ACCORDANCE WITH THE REQUIREMENTS OF ALL APPLICABLE ELECTRICAL AND BUILDING
CODES AND REG U LA TIONS. ENSURE THAT ALL CONDUIT/CABLE TERMINATIONS ARE WATERTIGHT.
120 Volt ac, load to 16 amps
Post –installation Snow Switch ® test
Most problems result from installation er rors. Before testing,
verify that unit is prop er ly in stalled.
1. Connect power to snow melting sys tem. Wait fi f teen seconds,
system should not ac tu ate.
2. Using ice water or other cooling agent and cool ambient air
tem per a ture sen sor below 38°F(3.3ºC), sys tem should not
ac tu ate. Apply moisture to mois ture sensing grid, system
should actuate in less than 15 sec onds.
3. Dry moisture sensing grid. Disconnect power to snow
melting sys tem. Wait one minute, then reconnect
power. If sys tem ac tu ates ensure sensing grid is dry
and am bi ent air tem per a ture is above 38°F(3.3°C), then
repeat this step.
Environmental Technology, Inc.
1850 N Sheridan Street, South Bend, Indiana 46628
Questions and Comments
For technical help, questions or comments concerning this product or any of Environmental Technology, Inc. products contact Customer
Service between 8:00 a.m. and 5:00 p.m. EST.
Voice: (800)234-4239 in the USA and Canada or (574)233-1202 everywhere
Fax: (888)234-4238 in the USA and Canada or (574)233-2152 everywhere
Email: [email protected]
Web: http://www.networketi.com
®
PN21036 rev A 05/08
DISCLAIMER
Environmental Technology, Inc. makes no representations or warranties, either expressed or implied, with respect to the contents of this publication
or the products that it describes, and specifi cally disclaims any implied warranties of merchantability or fi tness for any particular purpose.
Environmental Technology, Inc. reserves the right to revise this publication and to make changes and improvements to the products described
in this publication without the obligation of Environmental Technology, Inc. to notify any person or organization of such revisions, changes or
improvements.