Page 128 - Zero Net Energy Case Study Buildings-Volume 2

CASE STUDY NO. 11 THE EXPLORATORIUM
(Above) Diagram of original heat pump system design us- ing Bay water below the pier
. Vertical turbine pumps were later replaced by submersible pumps located at the bottom of the vertical tubes, after a failure of the vertical turbine pumps at start-up. See dis- cussion on page 129, under Post Occupancy: HVAC and Commissioning.
(Right) Heat exchangers (HX) and PVC condenser water piping in Bay water mechani- cal rooom (right).
Diagram courtesy of Integral Group
116 Zero Net Energy Case Study Buildings: Volume 2
PHOTO: BRUCE DAMONTE