Geothermal heat pump SmartSource®

water/waterR32energy saving

Overview
Experience industry-leading comfort and efficiency with a three-tiered line of single-compressor Water Source Heat Pumps (WSHPs) designed for diverse residential and commercial applications. From compact solutions for tight spaces to high-performance units for large commercial buildings, the SmartSource family provides options to meet various specifications and budgets.

Tiers and Models

• Tier 1: SmartSource® Compact — Models: WSCH, WSDH, WSCV, WSDV. Compact units for space-constrained and budget-conscious projects. Now available with low-GWP R-32 refrigerant for increased efficiency compared to typical R-454B. Suitable for new construction, retrofits, and existing buildings; factory-stocked for quick delivery and configurable for geothermal or boiler/tower applications.
• Tier 2: SmartSource® Plus — Models: WSMH, WSNH, WSMV, WSNV. Balances efficiency and flexibility; available in vertical floor-mounted and horizontal ceiling-mounted options (1/2 to 5 tons). Utilizes low-GWP R-32 refrigerant and designed for quiet, reliable operation in standard or geothermal heating applications.
• Tier 3: SmartSource® Premium — Models: WSSH, WSTH, WSSV, WSTV. Targets projects demanding industry-leading efficiency, low-noise operation, and superior indoor air quality. Capacities available from 1/2 to 6 tons, EC motors standard, and available with low-GWP R-32 refrigerant. Geothermal-ready from the factory with high EERs exceeding ASHRAE 90.1.

Key Features

• Low-GWP R-32 refrigerant with reduced charge and higher efficiency than typical R-454B alternatives
• High-efficiency rotary/scroll compressors; two-stage options for improved energy savings, humidity control, and quiet operation
• Optional EC fan motors with multi-position unit-level speed control; adjustable over BACnet where configured
• Smart Dehumidification option for superior moisture removal
• Waterside economizers to leverage cold loop water for reduced energy use
• MERV-8 and MERV-13 filter options for enhanced particulate capture
• Closed-cell insulation option to eliminate fiber strand contamination
• Double-sloped polymer or stainless steel drain pipe option to deter microbial growth
• MicroTech® 2300 unit controls allow standalone use or low-cost BACnet network integration
• Multiple factory-installed features/options including hot gas reheat, auxiliary electric heat, ECM fan motor, two-way motorized valve, and compressor sound blanket
• Readily available in-stock to support quick delivery and typical project timelines

Typical Applications

• Schools, clinics, and healthcare facilities
• Office buildings and corporate spaces
• Multi-unit living facilities, lodging, and assisted living
• Retail spaces and restaurants
• Manufacturing plants and other commercial facilities

Controls & Integration
MicroTech® 2300 unit controller and related BACnet communication modules and firmware provide easy unit control, network integration, software updates, and troubleshooting tools for commissioning and service.

Technical specifications

• Refrigerant: Low-GWP R-32
• Capacity range: 1/2 to 6 Tons (product family)
• Unit sizes (SmartSource Compact & Premium): Single-Stage Models: 007–070; Two-Stage Models: 024–070
• Unit sizes (SmartSource Plus): Single-Stage Models: 007–060; Two-Stage Models: 024–060
• Performance: Up to 22.0 EER and 6.0 COP
• Model families: SmartSource Compact (WSCH, WSDH, WSCV, WSDV), SmartSource Plus (WSMH, WSNH, WSMV, WSNV), SmartSource Premium (WSSH, WSTH, WSSV, WSTV)
• Optional features: EC motors, Smart Dehumidification, waterside economizer, MERV-8/13 filters, hot gas reheat, auxiliary electric heat, two-way motorized valve, compressor sound blanket, closed-cell insulation, double-sloped drain options
• Controls: MicroTech® 2300 unit controller; BACnet MS/TP communication supported
• Application flexibility: Standard and geothermal-ready factory configurations