OPERATION
MANUAL
Product: Document #: Rev: Page:
SEAKEEPER 6 90403 1 8 of 8
Section 1: SYSTEM OVERVIEW
1.7 Cooling
The cooling circuit is a closed loop that supplies a glycol/water (50% distilled water and 50%
glycol) mix to:
The motor drive box to remove heat from the drive electronics
The brake manifold to remove heat from the brake hydraulic circuit
The Seakeeper enclosure water jackets to remove heat from the flywheel bearings
The heated fluid then passes through a thermostat before bypassing or flowing through a heat
exchanger that has sea water on the cold side. The circuit also contains a coolant reservoir for
coolant expansion and to make filling easy. The reservoir contains a 7 psi (0.5 bar) pressure
cap.
FIGURE 7 – COOLING SYSTEM COMPONENTS
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