The Tranquility® 24 (SZ) Versatile Two-Stage Series showcases superb efficiency ratings, quiet operation, and application flexibility that is synonymous with the ClimateMaster Tranquility family. The Tranquility SZ surpasses ASHRAE 90.1 efficiency standards and utilizes R-454B low Global Warming Potential (GWP) refrigerant, setting a high standard for eco-friendly performance. Due to its innovative and environmentally-conscious design, the Tranquility SZ qualifies for LEED® (Leadership in Energy and Environmental Design) points.
FEATURES
- Sizes 024 (2 ton, 7 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 024-048)
- Intelligent variable speed Constant Volume (CV) EC blower motors for precise airflow control and soft-start feature
- Part-load operation significantly lowers annual operating costs
- Galvanized-steel cabinet construction
- Sound-absorbing glass-fiber insulation
- Unique double-isolation compressor mounting with vibration isolation for quieter operation
- Insulated divider and separate compressor/air-handler compartments
- TXV metering device
- Field-convertible supply-air arrangement for horizontal units
- Unit Performance Sentinel performance-monitoring system
- Eight standard safety features
- Non-corrosive polymer drain pan
- Communicating Controls Powered by DXM2.5:
- 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:
- Anti-short cycle and over/under-voltage protection
- Easy-access control box
- High-pressure, loss-of-charge, and condensate-overflow protection
- LED fault and status indication at controller
- Flush-mounted water fittings (no backup wrench required)
OPTIONS
- 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)
- vFlow® unit-integrated variable-speed water pump
- vFlow® unit-integrated modulating water valve for maximum water-flow control (replaces traditional motorized water valve and autoflow regulator)
- Easy-to-clean rust-prohibitive stainless-steel drain pans
- Integrated power disconnect
- Extended-range insulation for geothermal applications
- Return-air filter frames
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
- 1-inch Merv 8 filter
- 2-inch Merv 8 or 13 filters
- Aesthetically-pleasing wall sensors for connection to BMS (MPC) controls
- Auxiliary electric-duct heaters
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