Steffes Corporation

Steffes Corporation

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"Commitment to Innovation"

Steffes is committed to providing innovative, quality products and services that exceed customer needs.




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Comfort Plus Forced Air Heating System Specifications

  • Built-in circuit breakers eliminate the need for a service disconnect.
  • Easily accommodates air conditioning systems, heat pumps, electronic air filters and humidifiers.
  • Versatility with either left to right or right to left air flow (4100 series models).
  • Double wall heat recovery system to minimize static heat dissipation.
  • Four speed supply air blower (1/2 HP std., 1/2 HP & 1 HP variable speed ECM available).
  • Freeze protection.
  • Microprocessor Control System.
  • Digital Display indicates unit operation status.
  • On-Board diagnostics.
  • Palm Pilot (PDA) interface for setup and troubleshooting.
  • Power Line Carrier (PLC) wireless communication.
  • Standard voltage is 240V/208V. 277V also available (charging circuits only).
  • Backed by a Five Year Limited Parts Warranty from date of installation.
Comfort Plus Specifications table (click graphic for a larger version):
click for specs table

System Air Delivery Matrix

  • External static pressure should not exceed .75 inches water column.
  • A 1/2 HP PSC blower comes standard with the furnace. An ECM blower in 1/2 HP or 1 HP configuration is an available option if variable speed is desired, lower or higher volumes of air are required or if interfacing to a multi-speed air conditioner or heat pump. Either blower can accomdate most coils up to a 4-ton capacity.

1/2 HP Standard PSC Blower (4-Speed Field Selectable):

Static Pressure

(inches water column)

.10
.25
.50
.75
Blower Speed
High (CFM)
NA
1850
1560
1350
Medium High (CFM)
1800
1780
1470
1240
Medium Low (CFM)
1610
1580
1420
NA
Low (CFM)
1230
1205
NA
NA

Variable Speed ECM Blower Options:

Configuration
Field Selectable Air Flows (CFM)
1/2 HP
1000, 1200, 1400, 1600
1 HP
1200, 1400, 1600, 2000

 

 

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