The Tranquility® 18 (SR) Versatile Single-Stage Series raises the bar for water-source heat pump features and application flexibility. Not only does the Tranquility SR exceed ASHRAE 90.1 efficiency standards, but it also uses R-454B low Global Warming Potential (GWP) refrigerant, making it an environmentally-friendly space conditioning product solution. Tranquility SR is eligible for LEED® (Leadership in Energy and Environmental Design) points due to its innovative and environmentally-conscious design. The Tranquility SR stands out as having the most comprehensive set of options contained in a compact footprint making it the value leader in water source heat pump products.
FEATURES
- Sizes 006 (1/2 ton, 1.8 kW) through 060 (5 tons, 17.6 kW)
- Exceeds ASHRAE 90.1 efficiency standards
- Environmentally-friendly R-454B low-GWP refrigerant
- Refrigerant Detection System (RDS) (mandatory on size 060, optional feature for sizes 006-048)
- Coaxial heat exchanger
- Galvanized-steel cabinet construction
- Sound-absorbing glass-fiber insulation
- Unique double-isolation compressor mounting for quiet operation
- Insulated divider and separate compressor/air-handler compartments
- TXV metering device
- Microprocessor controls with on-board fuse and emergency shutdown
- Field-convertible discharge-air arrangement for horizontal units
- PSC three-speed fan motor (two-speed for 575V)
- Unit Performance Sentinel performance-monitoring system
- Eight standard safety features
- Non-corrosive polymer drain pan
- External Connecting Port on front-left corner post facilitates service tool connectivity, thereby reducing startup, commissioning, and service time
- Communicating Controls Powered by CXM2:
- Multiple communication pathways for unit access and diagnosis:
- Cloud-based remote monitoring via Wi-Fi communicating color-touchscreen thermostat
- Connect directly to the system with a handheld service tool
- Cloud-based remote monitoring via Wi-Fi communicating color-touchscreen thermostat
- Provides real-time unit operating conditions
- Reduces startup, commissioning, and service time by providing key system temperatures electronically
- Captures operating conditions in the event of a safety shutdown
- Multiple communication pathways for unit access and diagnosis:
OPTIONS
- High efficiency EC blower motors:
- Intelligent Constant Volume (CV) EC motors for ultimate airflow control
- Entry-level Constant Torque (CT) EC motors provide efficiency at a value
- Intelligent Constant Volume (CV) EC motors for ultimate airflow control
- Communicating Controls Powered by DXM2.5:
- Includes all of the CXM2 control features
- Dial in desired airflows for (CV) EC blower motors
- Controls operation of domestic Hot Water Generator (HWG)
- Includes all of the CXM2 control features
- Hybrid hydronic heating
- BACnet, Modbus, and Johnson Controls N2 compatibility options for Building Management Systems (BMS)
- Corrosion-resistant cupro-nickel water-heat exchanger
- UltraQuiet sound-attenuation package
- Tin-plated air coils for added protection from formicary corrosion
- Domestic Hot Water Generator (HWG)
- Internally-mounted water pump for single-pipe systems
- Autoflow regulators that limit water flow, preventing system overpumping
- Motorized water valves prevent water flow when not in operation, increasing system-pumping efficiency
- Easy-to-clean rust-prohibitive stainless-steel drain pans
- Integrated power disconnect
- Extended-range insulation for geothermal applications
- Waterside Economizers for energy savings
ACCESSORIES
- Wi-Fi communicating (AWC) thermostat with color touchscreen
- Wide variety of thermostat options to meet your application needs
- Various length braided-hose kits with optional water valve, PT plugs, blowdown valve, flow regulator, and strainer
- Externally-mounted manual and motorized water valves
- 1-inch Merv 8 filter
- 2-inch Merv 8 or 13 filters
- Aesthetically-pleasing wall sensors for connection to BMS (MPC) controls
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