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Summit Ice Melt Systems
PO Box 6928, Tahoe City, CA 96145
Ph: 530-583-8888
summiticemelt.com
Multi-Circuit Standard Ambient Temp Sensing Digital Controllers
Overview
Summit Ice Melt Systems, Inc. Multi-Circuit Digital Controller provides On/Off operation
of its S1 and S2 (120Vac to 277Vac) and EverClear 812 and 822 (120Vac to 277Vac)
self-regulating heater cables by energizing multiple (4, 8, or 12) individual branch
circuits via adjustable control values as set on the temperature controller.
The Controller provides a set point for on/off operation as well as a low-temp cutout of
the circuits. The low-temp cutout shuts the system off when temperatures are so cold
that no snow and ice melting occurs. Both temperatures are easily field adjustable to
suit local conditions.
4CDC+ ALL-Contactor Controller
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Summary of Contents for Summit 4CDC+
- Page 1 4CDC+ ALL-Contactor Controller Overview Summit Ice Melt Systems, Inc. Multi-Circuit Digital Controller provides On/Off operation of its S1 and S2 (120Vac to 277Vac) and EverClear 812 and 822 (120Vac to 277Vac) self-regulating heater cables by energizing multiple (4, 8, or 12) individual branch circuits via adjustable control values as set on the temperature controller.
- Page 2 Summit Ice Melt Systems PO Box 6928, Tahoe City, CA 96145 Ph: 530-583-8888 summiticemelt.com Multi-Circuit Ambient Temp Sensing Digital Controllers Operation The Multi-Circuit Controller uses a thermistor to sense ambient temperatures. When the temperature drops below the Heater-On set-point, the system is energized. When the temperature rises above the Heater-On set-point, the system is de-energized.
- Page 3 Summit Ice Melt Systems PO Box 6928, Tahoe City, CA 96145 Ph: 530-583-8888 summiticemelt.com Multi-Circuit Standard Ambient Temp Sensing Digital Controller Changing Set-Point Values To change the Heater-On and Low-temperature Cutout set-point values, follow the steps below with the controller powered and the rocker switch set to AUTO: Press the SET button once to display the current Heater-On set-point value (displays temperature in tenths of degrees).
- Page 4 Terminals A1, A2, X1, X2: Ambient Torque at 4.4-7.1 lb In. Sensor Enclosure Bulb LT Cutout Use copper conductors only with a Temperature Switch Heater-On H-O-A temperature rating of 60° F. for Out2 Out1 Switch terminals rated less than 100 amperes, and a temperature rating of 10' long 75°...
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