S5 Series Step Control
Indeeco’s S5 Series step controller provides low cost precision control for multi-stage applications. Common applications include HVAC duct heaters, process air applications, boilers, and industrial ovens.
Approvals
Standard Features
Low voltage 24 VAC microcomputer-based stage controller
Capable of controlling 24 VAC loads
5 stage controller with vernier output stage rated at 100mA
Up to 10 stages of control when using two controllers in a master/slave relationship
Micro-computer based control
Accuracy and reliability
Supports multiple input signals
Field adjustable dip switches to support both 0-10 VDC or 4-20 mA signals
Adjustable inter-stage delays
Field adjustable dip switches to support inter-stage delays of 1-75 seconds
Fail Safe
Unit cycles down to full OFF if input leads are open or shorted
Diagnostic capabilities
5 LED status lights provide detailed status information for troubleshooting
Functional test mode
Built-in test mode to verify load wiring and operation
Specifications
UL Recognized
File E52105, Guide XAPX2/8
Operating & Storage
-22°F to 185°F (-30°C to 85°C)
Relay Outputs
24 VAC ±10%, 24VA max
Relay Wire Range: 10-24 AWG
Power Supply
24 VAC ±10%, 50/60 Hz
6.7 VA max – Base 5 stage operation with vernier output.
Power Supply Wire Range: 10-24 AWG
Input Signal
Impedance: 10KΩ for VDC inputs ; 250Ω for mA inputs
Input Signal Wire Range: 14-30 AWG
Vernier Output
100 mA max ; Wire Range 14-30 AWG
Applications
HVAC Duct Heaters
Boilers
Circulation Heaters
Autoclaves
Industrial Ovens
Industrial Process Air Applications
Customizable for Specific Applications
