Lucky Lab's New Thermal System

R A Energy‘s Tim Ruchs just shed some light onto the us:

“We have recently finished the new solar thermal system at the Lucky Lab Brewery on Quimby, and it is now producing about 1500 gallons of hot water per day that is used in the brewing process and for domestic use in the restaurant. I thought you might be interested, so I have included the text from an upcoming case study that will appear in the next week.”

New thermal energy panels installed at Quimby's Lucky Lab
New thermal energy panels installed at Quimby
Lucky Lab Thermal Panels atop the Quimby location
Lucky Lab Thermal Panels atop the Quimby location
Lucky Lab Thermal Panel at NW 19th and Quimby location
Lucky Lab Thermal Panel at NW 19th and Quimby location

Here’s some specs on the thermal system:

DESIGNER & LEAD INSTALLER:

Bruce McLeod, Co-Owner, Ra Energy,

www.ra2energy.com

DATE COMMISSIONED: August 2008

INSTALLATION TIMEFRAME:

21 days

LOCATION: Portland, OR, 45.6°N

AVERAGE SOLAR RESOURCE:

3.52 kWh/m2/day

ANNUAL HEATING DEGREE DAYS:

4,276

RECORD LOW TEMPERATURE:

-3º F

COLLECTOR ARRAY AREA:

640 sq. ft.

AVERAGE ANNUAL PRODUCTION:

30 MWh

COLLECTORS: 16 Heliodyne Gobi

410, 40 sq. ft. each

ARRAY: Two 8 collector subarrays,

sloped 0.25 inch per ft.

HEAT EXCHANGER: Custom shell

and tube

PUMP: Taco 0011-BF4

CONTROLS: Tekmar models 155 and

152, with additional custom control

FREEZE CONTROL: Drainback

COLLECTOR INSTALLATION:

Flat roof mount, torch down roof,

custom racking, 180º azimuth, 45° tilt

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