Honeywell PUL6438S Programmable Unitary Controller
Description
The Honeywell PUL6438S is a Spyder® LON programmable unitary controller designed for advanced HVAC control applications. It belongs to the Excel 10 product family and supports flexible configuration through software. With its LONMARK® compliance and Free Topology Transceiver (FTT) interface, it enables seamless integration into building automation systems, offering precise control over heating, ventilation, and air conditioning equipment.
Specifications
- Model: PUL6438S
- Type: Unitary HVAC Controller
- Power Supply: 20–30 VAC, 50/60 Hz
- Power Consumption: 20 VA (controller only)
- Inputs: 6 Universal Inputs (UI), 4 Digital Inputs (DI)
- Outputs: 3 Analog Outputs (AO), 8 Digital Outputs (DO)
- Communication: LONWORKS® FTT-10A, 78 kbps
- Operating Temperature: -40°C to +65.5°C
- Humidity Range: 5% to 95% RH, non-condensing
- Mounting: Panel or DIN rail
- Certifications: LONMARK® compliant
Features
- Fully Programmable: Supports custom control logic for unitary HVAC applications
- Flexible I/O Configuration: Accommodates a wide range of sensors and actuators
- Robust Communication: LONWORKS® protocol ensures reliable network integration
- Compact Design: Ideal for space-constrained control panels
- Status Indicators: LED diagnostics for operation, alarms, and manual mode
- Field-Mountable: Easy installation with panel or DIN rail options
Honeywell PUL6438S Programmable Unitary Controller


