i‑Vu® Open WSHP Controller

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i‑Vu® Open WSHP Controller

Advanced, open control for high‑performance water source heat pump systems
The i‑Vu® Open WSHP Controller (OPN‑WSHPM) delivers precise, energy‑efficient control of water source heat pumps with open‑protocol flexibility, advanced comfort and humidity management, and seamless integration into the Carrier i‑Vu® Building Automation System.

Features

Comprehensive WSHP Control

Controls multi‑stage DX cooling, heating, and reheat (hot water, steam, or electric) to maintain precise space temperature and comfort.

Integrated Economizer & Ventilation Control

Supports modulating or two‑position waterside economizer and outside air damper control to meet ASHRAE® 90.1 and 62 requirements.

Advanced Comfort & Humidity Management

Built‑in routines for zone‑level humidity control, demand‑controlled ventilation, and optimal start improve comfort and indoor air quality.

Quiet, Efficient Operation

Independent fan speed modulation and compressor staging maximize latent heat removal while ensuring safe, quiet unit operation.

Specifications

Controller Type

Advanced Application Controller (BACnet B‑AAC, Annex L compliant)

Communication Protocols

BACnet MS/TP, Modbus RTU, and N2 (DIP switch selectable)
Optional LON via communication option card

Inputs & Outputs

Analog inputs for humidity, IAQ, SAT, and condenser water temperature
Binary inputs for compressor status, condensate overflow, fire/smoke, and fan status
Analog outputs for outside air damper and reheat/economizer
Binary outputs for fan speeds, compressors, reversing valve, heat, and dehumidification

Power & Reliability

24 VAC Class 2 power, battery‑backed real‑time clock, surge‑protected solid‑state circuitry

Technical Documents

Document Name	Description	Document Type	Language	Action
Controls	i-Vu - Source Water Loop Control for UC Open XP Installation and Start-up Guide	PDF	English	Download
Warranty Card	Limited Warranty for i-Vu Control System and Field-Installed Open Controls	PDF	English	Download

Document Name

Description

Document Type

Language

Action

Controls

i-Vu - Source Water Loop Control for UC Open XP Installation and Start-up Guide

PDF

English

Download

Warranty Card

Limited Warranty for i-Vu Control System and Field-Installed Open Controls

PDF

English

Download

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i‑Vu® Open WSHP Controller

i‑Vu® Open WSHP Controller

Features

Comprehensive WSHP Control

Integrated Economizer & Ventilation Control

Advanced Comfort & Humidity Management

Quiet, Efficient Operation

Specifications

Controller Type

Communication Protocols

Inputs & Outputs

Power & Reliability

Technical Documents

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