Comfort Comes Naturally

The Steffes Comfort Plus Commercial Forced Air Furnaces (6100 Series) are ducted heating systems designed to stand alone or work in conjunction with a heat pump for increased efficiency. Our Electric Thermal Storage (ETS) technology allows the Comfort Plus Commercial Forced Air Furnace to convert electricity to heat during off-peak hours, when the demand for and price of electricity is low. Specially-designed ceramic bricks within our units store vast amounts of heat for extended periods of time. With this heat storage capacity, the Steffes Comfort Plus Commercial Forced Air Furnace can deliver clean, consistent heat 24 hours a day. In addition, by only consuming electricity during off-peak hours, the unit can lower your electricity by up to 70 percent compared to traditional heating systems. All Steffes Comfort Plus Commercial Forced Air Furnaces are equipped with a variable speed blower to ensure consistent, even temperature output and meet your comfort requirements. For even greater efficiency all Steffes Comfort Plus Commercial Forced Air Furnaces can be equipped with a heat pump system.

Features

Ability to accept and monitor meter pulse inputs when building’s maximum controlled load is less than 4mW to proportionally charge heaters using demand free power

Ability to respond to external load control devices to regulate electric usage by furnace in correlation to on-peak and off-peak times

Stand alone built-in energy and demand management control system

Ability to interface with other energy and demand management control systems using a 4-10mA (1-5 Volts DC) output signal

Heat storage regulated automatically or by local control based on heating need and/or power capacity of building

Selectable maximum monthly building demand (kW) usage

Variable input control in 4,400 watt stepped increments

Ability to control loads in buildings having a maximum of 4mW total electrical load

Ability to control up to 16 peak loads external to the unit in priority order using the optional Steffes Load Management Controller

Optional BACnet communication control interface available for full control of heater operation by building manager

Optional SCR control device available to provide variable input power regulation

Easily interfaces with existing heating systems

Programmable microprocessor-based control system allows for application customization and self diagnostics

Digital display indicates unit operating status

Super insulated and double wall design to ensure low surface temperatures and minimizel static heat dissipation

Optional 365-day time clock module available for peak control signaling

Power Line Carrier (PLC) wireless communication of peak control signals and outdoor temperature information for automatic brick core charging (units having 208V or 240V fed blowers/controls circuit only)

Backed by a two-year limited parts warranty from date of installation

Manufactured in North America

Specifications


Commercial Comfort Plus Forced Air Furnace Specifications Chart (6100 Series)

MODEL 6140
Input Voltage 208 240 277/480 347/600
Phase Single Three
Number of Wires 2 4
Charging Input (kW) 36 36 42.75 38.4 46.5 36 46.5
Element Current Draw (Amps) 174 150 179 47 56 35 45
Pump/Blower/Controls Max Circuit Required (Amps) 7 @ 240 Volts
Single Feed Minimum Circuit Ampacity (Amps) 226 197 232 63 75 47 60
Blower/Controls Voltage (VAC)
240/208

Storage Capacity

 kWh

BTU

240

818,880

Approximate Installed Weight (lbs) 3,859
Max Coil Dimensions (W x D x H) 26” x 22” x 30 15/16”

Technical Data

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