Geothermal heat pump SmartSource®

water/waterR32energy saving

Overview
Industry-grade single-compressor Water-Source Heat Pumps (WSHP) available in three product tiers to suit compact installations and large commercial projects. SmartSource® models offer factory-configured options for standard or geothermal water loops, focusing on serviceability, in-stock availability and application flexibility.

Product Tiers and Models

• Tier 1: SmartSource® Compact — Models: WSCH, WSDH, WSCV, WSDV. Designed for space-constrained and budget-sensitive installations; available for geothermal or boiler/tower systems; factory-stocked for fast delivery.
• Tier 2: SmartSource® Plus — Models: WSMH, WSNH, WSMV, WSNV. Balanced efficiency and configuration options; vertical floor- and horizontal ceiling-mounted units (½ to 5 tons); suitable for standard hydronic or geothermal heating.
• Tier 3: SmartSource® Premium — Models: WSSH, WSTH, WSSV, WSTV. Highest-efficiency and low-noise series with standard EC motors; capacities from ½ to 6 tons; optimized for projects prioritizing energy performance and indoor air quality.

Key Features

• Low-GWP R-32 refrigerant with reduced charge and improved efficiency versus common alternatives
• High-efficiency rotary/scroll compressors; two-stage options for enhanced energy savings and humidity control
• Optional EC fan motors with 8-position unit-level speed control (configurable over BACnet)
• Smart Dehumidification option for superior moisture management
• Waterside economizer capability to utilize cold loop water for free cooling
• EC motors standard on Premium series for quieter, more efficient operation
• MERV-8 and MERV-13 filter options for particulate control
• Closed-cell insulation option to eliminate fiber strand contamination
• Double-sloped polymer or stainless-steel drain options to limit microbial growth
• MicroTech® 2300 unit controller for standalone control or BACnet integration
• Factory-installed options: hot gas reheat, auxiliary electric heat, ECM fan motor, two-way motorized valve, compressor sound blanket
• Designed for easy, low-cost design, installation and maintenance; widely available in-stock

Applications

• New construction, retrofits and existing buildings: schools, offices, lodging, condominiums, retail, assisted living, clinics, multi-unit residential and light industrial facilities

Performance Highlights

• Refrigerant: R-32 (low GWP)
• Capacity range: 1/2 to 6 tons (depending on series)
• Unit configurations: single-stage and two-stage options across model ranges
• Maximum reported efficiency: up to 22.0 EER and up to 6.0 COP

Technical specifications

• Series/Model name: SmartSource® (Compact, Plus, Premium)
• Tier 1 models: WSCH, WSDH, WSCV, WSDV
• Tier 2 models: WSMH, WSNH, WSMV, WSNV
• Tier 3 models: WSSH, WSTH, WSSV, WSTV
• Refrigerant type: R-32 (low GWP)
• Capacity range: 1/2 to 6 tons (depending on tier)
• Unit size ranges: Compact/Premium single-stage 007–070; two-stage 024–070 (Compact & Premium); Plus single-stage 007–060; Plus two-stage 024–060
• Maximum reported efficiency: up to 22.0 EER and 6.0 COP
• Control: MicroTech® 2300 unit controller with BACnet communication options
• Fan/airflow: Optional EC motors with adjustable airflow and 8-position speed control
• Air quality: MERV-8 and MERV-13 filter options
• Options: Smart Dehumidification, waterside economizer, hot gas reheat, auxiliary electric heat, ECM fan motor, two-way motorized valve, compressor sound blanket, closed-cell insulation, double-sloped drain options
• Configuration: Standard or geothermal-ready from factory; horizontal and vertical configurations available