Specification

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SPECIFICATIONS
General
Area of use . . . . . . . . . . . . . .Nonhazardous locations
Approvals . . . . . . . . . . . . . . . .Type 873 Temperature Regulating Equipment
Enclosure
Protection . . . . . . . . . . . . . . . .NEMA 3R
Cover attachment . . . . . . . . .Hinged polycarbonate cover, lockable
Entries . . . . . . . . . . . . . . . . . .3 × 1-1/16”
Material . . . . . . . . . . . . . . . . .Polycarbonate
Mounting . . . . . . . . . . . . . . . .Wall mounted
Control
Supply . . . . . . . . . . . . . . . . . .120 VAC, 50/60HZ, 35VA
Load . . . . . . . . . . . . . . . . . . . .Load switching provided by Relay Panel (sold separately)
Contact type . . . . . . . . . . . . . .Form C
Maximum Ratings . . . . . . . . .Voltage: 240 VAC Current: 24 amps
Heater hold-on timer . . . . . . .0 to 10 hours; actuated by snow stopping or toggle switch
System test . . . . . . . . . . . . . . Switch toggles the heater contact on and off. If temperature exceeds high limit, heater cycles to
prevent damage.
Snow/Ice Sensors
Sensor type . . . . . . . . . . . . . .Up to 6 sensors from the AIR-SS product family
Circuit type . . . . . . . . . . . . . . .NEC Class 2
Lead length . . . . . . . . . . . . . . Up to 500’ (152m) using 18 AWG 3-wire jacketed cable Up to 2,000’ (609m) using 12 AWG 3-wire
jacketed cable
High Limit Thermostat
Adjustment range . . . . . . . . . .40°F to 90°F (4°C to 32°C)
Dead band . . . . . . . . . . . . . . .1°F (0.6°C)
Sensor type . . . . . . . . . . . . . .Thermistor network
Circuit type . . . . . . . . . . . . . . .NEC Class 2
Lead length . . . . . . . . . . . . . . Up to 500’ (152m) using 18 AWG 2-wire jacketed cable
Up to 1,000’ (304m) using 12 AWG 2-wire jacketed cable
Energy Management Computer (EMC) Interface
Inputs . . . . . . . . . . . . . . . . . . . OVERRIDE ON (10 ma dry switch contact)
OVERRIDE OFF (10 ma dry switch contact)
Outputs . . . . . . . . . . . . . . . . . . SUPPLY (10 ma dry switch contact)
SNOW (10 ma dry switch contact)
HEAT (10 ma dry switch contact)
HIGH TEMP (10 ma dry switch contact)
ALARM (10 ma dry switch contact)
Environmental
Operating temperature . . . . . . –40°F to 160°F (–40°C to 71°C)
Storage temperature . . . . . . . .–50°F to 180°F (–45°C to 82°C)
ORDERING INFORMATION
ORDER NUMBER DESCRIPTION ACCESSORIES
SCP-120 PREMIUM SNOW MELT CONTROL RCO REMOTE CONTROL OVERRIDE (OPTIONAL)
AIR-SS AERIAL-MOUNTED SNOW SENSORS
(SOLD SEPARATELY)
LIMITED WARRANTY
WarmlyYours 2-year limited warranty covering defects in workmanship and materials applies. Contact your Account
Manager for complete warranty information.
This document is the property of WarmlyYours. Subject to change without notice.
10204 6/09