Trane Voyager 12.5 to 25 Tons Quick start guide
- Type
- Quick start guide
Trane Voyager 12.5 to 25 Tons: The durable, high-efficiency workhorse that delivers reliable heating and cooling for commercial buildings. Features include:
- All-aluminum Spine Fin coil: Delivers higher efficiency, improved moisture removal, and better indoor air quality.
- ComfortLink™ II communicating control: Provides precise temperature and humidity control, while also offering advanced diagnostics and performance monitoring.
- SmartTrak™ communicating outdoor fan motor: Continuously adjusts fan speed to match load requirements, resulting in quieter operation and improved efficiency.
Trane Voyager 12.5 to 25 Tons: The durable, high-efficiency workhorse that delivers reliable heating and cooling for commercial buildings. Features include:
- All-aluminum Spine Fin coil: Delivers higher efficiency, improved moisture removal, and better indoor air quality.
- ComfortLink™ II communicating control: Provides precise temperature and humidity control, while also offering advanced diagnostics and performance monitoring.
- SmartTrak™ communicating outdoor fan motor: Continuously adjusts fan speed to match load requirements, resulting in quieter operation and improved efficiency.
CDQ
™
dehumidification
Cool, dry, quiet with Trane rooftop units
The Trane CDQ™ desiccant wheel is used to
enhance the dehumidification performance of a
traditional cooling coil. The wheel is configured
in series with the coil (see RTU Airflow Path
illustration) such that the “regeneration” side
of the wheel is located upstream of the coil
and the “process” side of the wheel is located
downstream of the cooling coil. The wheel
recirculates the water vapor trapped
downstream of the cooling coil back into
the air upstream of the coil where the coil
removes it through condensation.
This process is accomplished without the
need for a second regeneration air stream.
The addition of the CDQ desiccant wheel to
the system enhances the dehumidification
performance of the traditional cooling coil.
For units with less that 40 percent outside air,
CDQ can greatly improve the latent capacity of
the unit. This results in a lower sensible heat ratio
(SHR) without the addition of reheat.
Developed in collaboration with the U.S.
Department of Energy through Oak Ridge
National Laboratory.
Trane CDQ
™
removes more water
per ton of cooling with no field
modifications.
Outside air
Mixed
air
Return air
Supply air
LVG regen
LVG RTU
Curb with Trane CDQ
Rooop unit
Water removed
1.8 GPH
Heat removed
46 MBH
Standard 5 ton RTU
SHR = 0.74
Water removed
2.9 GPH
Heat removed
37 MBH
Standard 5 ton RTU + CDQ
SHR = 0.74
55% more dehumidification at ARI conditions
200%
150%
100%
50%
0%
35%
45%
55%
65%
Latent capacity increase
Return air relative humidity
Latent Capacity
Benefits
• No Reheat
• Ecient, All Electric
• Cool But Drier
• Lower Dew Points
• Lower Sensible Heat Ratios
• Higher Latent Capacity
• 10 - 15dB Discharge Sound Attenuation
Part load energy savings
Adding part load humidity control will add
more energy no matter how it is done. Trane
CDQ™ diers from hot gas reheat because it
will increase the latent capacity. Reheat does
not eect the latent capacity of a unit, it simply
makes the unit run longer. Thus CDQ will run
less than hot gas reheat and produce drier air.
RTU psychrometric conditions
Water
Sensible
heat
Water
removed
Standard 3-ton unit with CDQ
Sensible
heat
Water
removed
Sensible
heat
Run time
removed
40 min.
Unit SHR
.80
5.0 lbs
60 min.
Unit SHR
0.73
7.5 lbs
50 min.
Unit SHR
0.66
10.3 lbs
Standard 3-ton unit with reheat
Standard 3-ton unit
Improving part-load dehumidification RTU DX unit
Run time
Run time
Remove up to 200% more water vapor and drop dew points below 48°F.
Max
Min
Savings
Energy improvement
Trane RTU with CDQ vs standard RTU with reheat
Mixed air unit
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
35% 50%
Space relative humidity
Improvement @ equal
total capacity
Humidity-sensitive application
For applications requiring humidity control
24/7 and 35-55 percent RH, a Trane high-
eciency rooop unit (RTU ) with CDQ
dehumidification will:
• Allow downsizing 15-33 percent
• Improve latent capacity 40-160 percent
• Lower dew points 2-5° F
• Reduce cooling energy 10-30 percent
• Reduce reheat and total energy 30-90 percent
CDQ curbs for rooop units
To achieve these performance levels, a
high-eciency Trane rooop unit must be
used with a CDQ curb section. The CDQ curb
section is manufactured by our partner, Thybar
Corporation. The two components are designed
to go together with no field modifications
required. Together, they comprise a CDQ
system that can be used for new installations
and retrofit applications.
Ingersoll Rand (NYSE:IR) is a world leader in creating and sustaining safe, comfortable and ecient environments in commercial, residential and
industrial markets. Our people and our family of brands—including Club Car®, Hussmann®, Ingersoll Rand®, Schlage®, Thermo King® and Trane®—
work together to enhance the quality and comfort of air in homes and buildings, transport and protect food and perishables, secure homes and
commercial properties, and increase industrial productivity and eciency. We are a $13 billion global business committed to sustainable business
practices within our company and for our customers.
© 2010 Trane All rights reserved
CDQ-SLB001-EN October 07, 2010 ingersollrand.com
Produced on post-consumer recycled paper, using
environmentally friendly print practices that reduce waste.
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Trane Voyager 12.5 to 25 Tons Quick start guide
- Type
- Quick start guide
Trane Voyager 12.5 to 25 Tons: The durable, high-efficiency workhorse that delivers reliable heating and cooling for commercial buildings. Features include:
- All-aluminum Spine Fin coil: Delivers higher efficiency, improved moisture removal, and better indoor air quality.
- ComfortLink™ II communicating control: Provides precise temperature and humidity control, while also offering advanced diagnostics and performance monitoring.
- SmartTrak™ communicating outdoor fan motor: Continuously adjusts fan speed to match load requirements, resulting in quieter operation and improved efficiency.
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