Product Brochure Commercial Package Units | VFD Technology
ENERGY SAVINGS Ruud Commercial Series™ Package Units, featuring VFD Techonology, offers advanced engineering that provides substantial savings and improved comfort. 15 - 25 Ton
•
VFD Technology significantly reduces the cost of meeting building ventilation requirements, while dramatically improving part load efficiency (IEER) and increasing comfort
• Meets ASHRAE 90.1-2010 and California Title 24 requirements 7
/2
1
- 12
/2
1
Ton
• Available on 7 ½ - 25 ton package gas electric units and package air conditioners • Reduces supply fan operation cost up to 85% • Increases part load efficiency up to 51% • Removes twice as much moisture than package units without VFD Technology
Rely on Ruud.™ RUUD.COM
REDUCE YOUR BUILDING'S VENTILATION COST BY UP TO 85% OVER STANDARD ROOFTOP UNITS. ASHRAE 62 specifies ventilation rate for different types of commercial buildings. In each commercial building, there
Indoor Fan Airflow vs. Power
is a ventilation requirement for occupancy, building size and building type. Furthermore, per ASHRAE 62 and other
3000
Constant fan/1st stage cooling operation of Standard RTU 7550 cfm; 2729 watts
building codes, ventilation is required when the building is occupied. Depending on occupancy, building size and building type, ventilation requirements during occupied mode generally vary from 10% to 40% of the package unit
2500
airflow. Supply fans in standard package units use constant volume, which means they have a single high speed airflow. They supply this ventilation (fresh air) at maximum airflow 2000 Indoor Fan Power (Watts)
resulting in maximum energy usage. A Ruud Package Unit with VFD Technology, operates the supply fan at two speeds opposed to one. During the fan only mode and 1st stage cooling demand it operates at 50% of high speed. During 2nd stage cooling and heating demand it operates at 100%.
Constant fan/1st stage cooling of Standard RTU 3600 cfm; 1388 watts
1500
The indoor fan speed difference between a standard package unit and a Ruud Package Unit with VFD Technology
1000
is what enables dramatically reduced operation cost and improved comfort.
The Science Behind VFD Technology
500
The Fan Laws simply state power goes down eight times faster than airflow. Low speed watts = high speed watts
Constant fan/1st stage cooling of Standard RTU w/ VFD 1784 cfm; 169 watts
Low speed cfm (High speed cfm)
3
0
Using VFD is strong science and reduces your monthly utility bills.
0
1000 Typical 20 ton
VFD Technology allows our units to work smarter to bring
Constant fan/1st stage cooling operation of Standard RTU w/ VFD 3803 cfm; 349 watts 2000
3000
4000
5000
6000
7000
8000
Airflow (CFM)
Typical 10 ton
greater energy savings.
ROOFTOP WITH VFD BENEFIT ALL COMMERCIAL APPLICATIONS Engineered for a new level of savings and comfort, the Ruud Commercial Series™ package unit with VFD Technology will reduce ventilation operating cost while maximizing comfort.
Health Clubs
Commercial Package Units | VFD Technology
Schools
Restaurants
Annual Fan Cost Comparison * With VFD
Without VFD
Ventilation Energy Savings
$1,540
Building codes require fan operation to supply fresh air during occupied modes. Current rooftops supply fresh air using high speed which is wasteful and uses a lot of energy. A Ruud Package Unit with
$873
VFD Technology reduces the supply fan speed by 50% while still meeting fresh air requirements and saving up to 85% of overall supply fan operating cost.
8.5
10.0
$879
$534
$532 $324 $386 $79 $92 $122 7.5
$762
$188 12.5
$108 15.0
$144
20.0
17.5
$230
$155
25.0
*Assumptions: calculated based on 8:00 a.m. to 5:00 p.m. operation Monday thru Friday, 250 days per year. Electric rate11.5 ¢/kWh)
IEER Increase** Without VFD
Part Load Energy Savings
With VFD
Commercial equipment is sized for full load operation which only 14.5 11.9
14.8 14.6 14.5 14.4 14.4 14.1 13.5 12.6 12.4 12 11.9 11.4 10.8 10.1
occurs with maximum outdoor load and indoor load. These conditions occurs only 10% to 30% of the time. Therefore 70% to 90% of cooling operation is on 1st stage. A Ruud Package Unit with VFD Technology increases IEER by up to 51% when operating on 1st stage cooling.
7.5
8.5
10.0
12.5
15.0
17.5
20.0
25.0
**IEER per AHRI 340/360)
Lantent/Sensible Ratio*** Improved Comfort A standard package unit in 1st stage cooling operates the supply fan
With VFD
Without VFD 0.68
at 100% airflow. Operating in 1st stage cooling at 50% airflow can
0.62
0.63
0.64
0.62
0.64
0.61
0.68
remove more than twice as much moisture than a standard package unit. A Ruud Package Unit with VFD Technology improves the comfort level by reducing the relative humidity in the condition space.
0.31
7.5
0.3
8.5
0.34
10.0
0.31
12.5
0.3
0.32
15.0
17.5
0.31
0.27
20.0
25.0
***82 outdoor DB; 80 DB/69.6 WB Indoor Data Source: Ruud
RUUD.COM
Commercial Package Units VFD Technology SPECIFICATIONS
Package Gas Electric Unit COOLING DATA MODEL
NOMINAL TONNAGE
RKNL-H090 RKNL-H102
HEAT INPUT
PHYSICAL DATA
GROSS CAPACITY (BTUH)
AHRI RATED NET CAPACITY (BTUH)
NOMINAL CFM/ARI RATED (CFM)
EER
IEER
STANDARD: (BTUH)
HIGH: (BTUH)
DIMENSIONS H X W X L (INCHES)
SHIPPING WEIGHT (LBS)
7.5
93,000
90,000
3,000/2,775
11.2
14.7
75,000/150,000
112,500/225,000
44 x 58.8 x 93.7
1,054
8.5
101,000
97,000
3,200/3,200
11.2
14.4
75,000/150,000
112,500/225,000
44 x 58.8 x 93.7
1,096
RKNL-H120
10
123,000
118,000
4,000/3,750
11.2
14.4
75,000/150,000
112,500/225,000
44 x 58.8 x 93.7
1,149
RKNL-H151
12.5
146,000
140,000
5,000/4,225
10.8
13.5
75,000/150,000
126,000/225,000
44 x 58.8 x 93.7
1,303
RKNL-H181
15
188,000
182,000
6,000/5,900
11.1
14.4
125,000/250,000
175,000/350,000
57 x 85.9 x 152
2,084
RKNL-H210
17.5
212,000
204,000
7,000/7,025
11.6
14.5
125,000/250,000
175,000/350,000
57 x 85.9 x 152
2,272
RKNL-H240
20
244,000
234,000
8,000/7,725
11.1
14.8
150,000/300,000
200,000/400,000
57 x 85.9 x 152
2,415
RKNL-H300
25
312,000
294,000
10,000/9,475
10.0
13.4
150,000/300,000
200,000/400,000
57 x 85.9 x 152
2,514
Package Air Conditioner COOLING DATA MODEL
NOMINAL TONNAGE
RLNL-H090 RLNL-H102
HEAT INPUT
PHYSICAL DATA
GROSS CAPACITY (BTUH)
AHRI RATED NET CAPACITY (BTUH)
NOMINAL CFM/ARI RATED (CFM)
EER
IEER
STANDARD: (BTUH)
HIGH: (BTUH)
DIMENSIONS H X W X L (INCHES)
SHIPPING WEIGHT (LBS)
7.5
93,000
90,000
3,000/2,775
11.2
14.7
10
20
44 x 58.8 x 93.7
1,054
8.5
101,000
97,000
3,200/3,200
11.2
14.4
10
20
44 x 58.8 x 93.7
1,096
RLNL-H120
10
123,000
118,000
4,000/3,750
11.2
14.4
10
20
44 x 58.8 x 93.7
1,149
RLNL-H151
12.5
146,000
140,000
5,000/4,225
11.0
13.5
10
20
44 x 58.8 x 93.7
1,303
RLNL-H181
15
188,000
182,000
6,000/5,900
11.1
14.4
20
75
57 x 85.9 x 152
2,084
RLNL-H210
17.5
212,000
204,000
7,000/7,025
11.6
14.5
20
75
57 x 85.9 x 152
2,272
RLNL-H240
20
244,000
234,000
8,000/7,725
11.1
14.8
20
75
57 x 85.9 x 152
2,415
RLNL-H300
25
312,000
294,000
10,000/9,475
10.0
13.4
20
75
57 x 85.9 x 152
2,514
CONVENIENT COMMERCIAL FINANCING IS NOW AVAILABLE!
$5,000 - $14,999 $15,000 - $49,999 $50,000 - $99,999
Ruud Commercial HVAC Equipment Financing allows the full cost of HVAC projects in commercial applications, to be bundled into one convenient, affordable monthly payment. Administered by GreatAmerica™ Financial Services, every aspect of the HVAC project; such as, equipment, installation, labor and extended warranty, is eligible to be financed up to 60 months with no down payment or security deposit! There is no application process, and all contractors in good standing qualify to use the program. To learn more, visit us online today at www.greatamerica.com/Ruud.
Payment Calculator 12 months 24 months 36 months 48 months 60 months
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Example: $13,000 Invoice 1. Select the invoice range in the top row ($5,000 - $14,999) 2. Select any term (for 36 months, it's .03298) 3. Multiply $13,000 x .03298 = $428.74/month for 36 months
In keeping with its policy of continuous progress and product improvement, Ruud reserves the right to make changes without notice. Ruud USA • P.O. Box 17010 Fort Smith, Arkansas 72917
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