Carrier Aquazone™ Indoor Water-Cooled Large Capacity Water Source Heat Pump 50HQP i-Vu Open WSHP Open Product Data Sheet
Summary
Optimize your commercial building's HVAC performance with the i-Vu WSHP Open Controller. This integrated unit is designed to precisely monitor and regulate water source heat pumps, managing cooling stages, economizers, and demand ventilation while ensuring energy efficiency (ASHRAE compliant). The manual details its comprehensive capabilities, including robust support for BACnet, Modbus, and LonWorks protocols. It offers facility managers and automation professionals a reliable solution for achieving advanced, plug-and-play climate control integration into any existing building management system.
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i-Vu® Building Automation System WSHP Open Integrated Water Source Heat Pump Control
Carrier’s WSHP Open controller is an integrated component of a Carrier water source heat pump. The WSHP Open controller continuously monitors and regulates water source heat pump operation with reliability and precision. This advanced controller features a sophisticated, factory-engineered control program that provides optimum performance and energy efficiency. For added flexibility, the WSHP Open controller is capable of stand-alone operation, or, it can be integrated with any other building automation system utilizing the BACnet, Modbus®, Lon Works®, or N2 protocols.
Application Features System Benefits • Controls 2 stages of DX cooling to maintain space • Integrated Carrier airside linkage algorithm for plug-and-play temperature setpoint integration with the Carrier WSHP System • Integrated 2-position or modulating waterside economizer • Fully plug-and-play with the Carrier i-Vu Building Automation for optimized mechanical cooling (ASHRAE® 90.1) System • Controls modulating or 2-position outside air damper • Supports demand limiting for maximum energy savings to meet ASHRAE 62 ventilation requirements
• Compatible with i-Vu Tenant Billing for tracking tenants’
• Built-in advanced control routines for zone level after-hours energy usage humidity control or zone level demand control ventilation (ASHRAE 62)
Hardware Features
• Supports auxiliary modulating reheat, 2-position
hot water/steam reheat, or electric heat • Compatible with Aquazone™ horizontal water source heat pumps and vertical water source heat pumps with Puron®
• Independent fan speed and compressor staging ensures quiet
refrigerant
operation and maximizes latent heat removal for increased
occupant comfort • Integrates easily into any BAS using BACnet, Modbus, Lon Works*, or N2 protocols
• Modulating fan speed and compressor staging ensures safe
unit operation • On-board hardware clock, remote occupancy input, and support for Carrier communicating/thermistor sensors provide stand-alone operation • Easy startup and configuration with i-Vu User Interfaces
*Requires LON Option Card (LON-OC)
Page Summary Contents For Carrier Aquazone™ Indoor Water-Cooled Large Capacity Water Source Heat Pump 50HQP i-Vu Open WSHP Open Product Data Sheet
Manual Details
| Brand | Carrier |
|---|---|
| Pages | 2 |
| File Size | 385.28 KB |
| Published | June 05, 2026 |
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Frequently Asked Questions
What communication protocols can I use to connect this controller to my existing BAS?
It supports BACnet, Modbus®, LonWorks®, and N2 protocols for integration.
Does the system support advanced energy management features?
Yes, it includes demand limiting, bilevel auxiliary reheat control, and supports i-Vu Tenant Billing for tracking usage.
What environmental conditions must the controller handle during operation?
It operates in an ambient range of -40 to 158ºF (-40 to 70ºC) and 10 to 95% RH.
How is the unit protected from electrical failures or power surges?
Incoming power and network connections are protected by non-replaceable internal solid-state polyswitches, and it guards against transient and surge events.