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valent VPRE Series User Manual

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CONTROLS
INSTRUCTION
OPERATION
& MAINTENANCE
VPR Series
VPRE Series
VPRC/P Series
VPRX Series
IOM-C1-0616
Software Version 4
Part Number 474626
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valent VPRE Series Specifications

General IconGeneral
Seal MaterialViton
SeriesVPRE
TypePressure Regulator
Body MaterialStainless Steel
Inlet Pressure Range0 to 3000 psig
Port Size1/4"
Port TypeNPT

Summary

Safety Precautions

Critical Installation Warning

Warning about potential property damage or personal injury from improper installation.

Control Interfaces

Using the LCD Interface

Configuring Network IP Address

LCD Screen Map Overview

Universal Maintenance Tool (UMT) Usage

PC IP Address Configuration

Logging On to the Controller via UMT

UMT TCP/IP Configuration Interface

UMT Setpoint Adjustment

UMT Manual Override Procedures

UMT Fan Speed Adjustment

UMT Schedule Management

UMT Point Mapping

Web User Interface (Web UI) Operations

Web UI Setpoint Adjustment

Web UI Manual Override Procedures

Web UI Schedule Management

Communication Protocols Setup

Input/Output Points Reference

Setpoint Descriptions

Manual Override Functions

System Alarms Overview

General Alarms List

Description of non-critical alarms that reset automatically when conditions normalize.

Shutdown Alarms List

Description of critical alarms that shut down the system and require manual reset.

Resetting Shutdown Alarms

Troubleshooting Guides

UMT Station Management

Checking Controller Network Connection

Sequence of Operation Logic

Heating Mode Operations

Controller actions for heating mode, including heat wheel and flat plate.

Air Cooled Direct Expansion Cooling Operations

Controller functions for cooling and dehumidification with direct expansion systems.

Indirect Gas Furnace Heating Operations

Controller actions for indirect gas furnace operation, including ignition and modulation.

Electric Heat and Temperator Operations

Controller actions for electric heat and temperator heating.

Modulation Sequence Logic

Sequences for modulating supply fan speed, dampers, and exhaust fan speed.

Cooling Mode Operations

Controller actions for cooling mode, including heat wheel and flat plate.

Water Source Heat Pump Cooling Operations

Controller functions for cooling and dehumidification with water source heat pumps.

Water Source Heat Pump Heating Operations

Controller functions for heating with water source heat pumps.

Temperature Control Logic

Enabling temperature control and determining supply air setpoint based on various inputs.

Economizer Mode Operations

Conditions for entering economizer mode and controller actions.

Air Source Heat Pump Heating Operations

Controller functions for heating with air source heat pumps.

Dehumidification Mode Operations

Conditions for enabling dehumidification and controller actions.

Product Warranty Information

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