PRODUCT DATA SHEET ThermoPower VDF Vacuum Tube Collector Technical Specifications Tube Length
59 in.
Outer Tube Diameter
1.46 in.
Tube Thickness
0.1 in.
Tube Material
Borosilicate Glass
Tube Coating
AI - N/AI
Thermal Expansion
3.3 x 10-6
Absorption Efficiency
> 94%
Emittance
< 7%
Vacuum
P < 5x10-3 Pa
Heat Loss
< 0.7 W/m2C
Maximum Strength
1 2
4
1.0
Stagnation Temperature Flow Rate
3
5
428 °F 0.4 - 0.6 gpm
Fittings
1
1/2 in. NPT SunMaxx-VDF20 Schematic
1) dependent on model
Product
VDF-20
VDF-30
60.0 x 64.7
87.4 x 64.7
115
170
Net Aperture Area (ft )
19.4
28.8
Fluid Capacity (gal)
0.5
0.7
Recommended Flow Rate per Collector (gpm)
0.4
0.6
30-40
50 - 60
22.8
33.7
Dimensions (in.) Dry Weight (lbs) 2
Storage Tank Size (gal) Estimated BTU Production (KBTU per panel per day) Max Recommended # of Tubes in Series
1) Manifold 2) Double Wall Vacuum Tube 3) 1/4” Male NPT Brass Connection 4) Temperature Sensor Well 5) Free Standing Extruded Aluminum Adjustable Frame
300
Tilt Angle (deg)
0 - 90
Nominal Flow Rate (gpm)
0.28
0.56
Operating Pressure (psi)
20 - 70 Recommended 150 Maximum
3-Year Standard Warranty 10-Year Warranty when installed by certified installer SRCC OG-100 Certified Solar Keymark Certified
© 2010 SunMaxx Solar, Inc. Specifications subject to change without notice.
SunMaxx Solar, Inc. 56 Broome Corporate Pkwy Conklin, NY 13748 1.877.786.6299 1.800.786.0329 fax www.sunmaxxsolar.com
PRODUCT DATA SHEET, cont. ThermoPower VDF Vacuum Tube Collector
Direct Flow Piping Schematic
SunMaxx Solar, Inc. 56 Broome Corporate Pkwy Conklin, NY 13748 1.877.786.6299 1.800.786.0329 fax www.sunmaxxsolar.com Š 2010 SunMaxx Solar, Inc. Specifications subject to change without notice.
APPROVAL STAMPS
Architectural Stamps and Remarks
Contractor Stamp and Remarks
Contractor Note - Sign Below
SunMaxx Solar, Inc. 56 Broome Corporate Pkwy Conklin, NY 13748 1.877.786.6299 1.800.786.0329 fax www.sunmaxxsolar.com