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Small rectangular Honeywell VAV controller in light grey plastic housing with terminal blocks visible

Honeywell

Honeywell PVB4022AS hvac control

SKU CH-N4ZX-MW4JX MPN PVB4022AS

Programmable VAV controller with four universal inputs and four outputs for BACnet building automation

  • BACnet programmable control for flexible VAV automation
  • Two analog and two digital outputs handle diverse I/O needs
  • Operates on 24 Vac within a 20 to 30 Vac range
  • Functions reliably from 32 F to 122 F ambient temperature
  • Low 9 VA power draw reduces panel energy load

Purpose-Built VAV Controller

The Honeywell PVB4022AS is a programmable VAV controller designed for building-automation systems. It provides two analogue outputs and two digital outputs to manage variable-air-volume equipment. The unit operates on 24 Vac within a 20 to 30 Vac range and supports both 50 Hz and 60 Hz supplies.

Installation Notes

Wiring uses the standard 24 Vac supply and the four universal inputs alongside the four output channels. The controller mounts in typical panel enclosures and operates from 32 F to 122 F. Incorrect supply voltage outside the stated range or miswired I/O terminals are the most common causes of start-up faults.

BACnet Integration Limits

Communication relies on the BACnet protocol over the supported network layer. The device offers four universal inputs, two analogue outputs and two digital outputs, so applications requiring additional I/O points will need extra controllers. Power draw is rated at 9 VA per unit.

Highlights

  • BACnet programmable control for flexible VAV automation
  • Two analog and two digital outputs handle diverse I/O needs
  • Operates on 24 Vac within a 20 to 30 Vac range
  • Functions reliably from 32 F to 122 F ambient temperature
  • Low 9 VA power draw reduces panel energy load

Specifications

No published specifications for this item yet.

Questions about this item

How do I confirm the PVB4022AS is operating correctly after wiring?

Apply 24 Vac within the 20 to 30 Vac range and verify the controller powers up; check that the four universal inputs, two analog outputs and two digital outputs respond to BACnet commands at 50 Hz or 60 Hz while ambient temperature stays between 32 F and 122 F.

What ships with the PVB4022AS and what must I source separately?

The controller itself is supplied; you must provide a 24 Vac transformer rated for at least 9 VA, wiring for four universal inputs, two analog outputs and two digital outputs, and a BACnet network connection.

Which I/O configuration suits a standard VAV box with reheat and fan control?

The PVB4022AS provides four universal inputs for sensors, two analog outputs for modulating damper and reheat valve, and two digital outputs for fan and auxiliary staging — matching a typical single-duct VAV with reheat and series fan.

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