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TOH Series Unit
Tranquility® Dedicated Outdoor Air Systems (TOH/R) Horizontal Series

ClimateMaster Dedicated Outdoor Air Systems (TO) Series provides the most complete solution for your water-source application. Our many options and configurations allow the design for outdoor air requirements to be incorporated into the water loop system, further enhancing the advantages of a WSHP application. The ability to precisely control leaving air dew point temperature in summer, handle extremely cold entering air temperatures in winter, and perform at part load conditions give designers unmatched flexibility in building design, Indoor Air Quality (IAQ) and energy efficiency.

Precise Leaving Air Temperature Control
  • Air temperature leaving dehumidifier controlled to ±0.2°F (±0.1°C)
  • Substantial energy savings
  • Conditioned outdoor air can be introduced directly into space

Evaporator Coil
  • Raised lance fins, rifled tubes maximize moisture removal
  • Very high MRE’s (Moisture Removal Efficiency)

Drain Pan
  • Stainless steel pan minimizes corrosion

Refrigerant Reheat Coil
  • Sized for neutral LAT (65 to 80°F, 18 to 27°C)
  • Air separation avoids condensate re-vaporization

Scroll Compressor
  • State-of-the-art compressor technology for highest efficiency and reliability
  • Quietest operation for less noise
  • Over 5 tons (18 kW), multiple compressors are staged to match the load

Fans
  • Forward curved centrifugal blowers
  • Backward-inclined centrifugal fans, plug fans on larger units

Electrical Service
  • Single point power connection, for all units

Controls
  • Simple ladder logic addresses wide variety of conditions
  • System can handle dehumidification, cooling, and heating
  • Occupancy contact ensures outdoor air enters only when needed

Cabinet Construction
  • Corrosion-resistant galvanneal with powder coat finish
  • Meets 1000 hour salt spray test
  • All serviceable elements accessible from one side of unit
  • Double-wall construction
  • R-5 insulation

Refrigeration Circuit
  • Dissipates captured heat into water loop
  • Unique design - no reversing valve
  • Modulating hot gas reheat

Filters
  • 4” deep extended surface pre-filters (MERV 7)

Outdoor Design (Rooftop Models)
  • Rain hood, aluminum mist eliminator
  • Stainless steel fasteners
  • Isolation dampers
  • TEFC motors

Rx Energy Recovery Wheel (Optional)
  • Sensible and latent heat recovery
  • Significant energy savings by lowering operating costs

Additional Options Increase Flexibility
  • Top, bottom or end horizontal air discharge
  • Horizontal or Rooftop configurations available
  • Optional coil coatings available for corrosive environments
  • Optional power disconnects (fused and non-fused)
  • Contact factory for non-standard options