TEC 3000 Operating and Maintenance Freezer Manual
5.2
Plumbing Assembly
The plumbing assembly carries and regulates the flow of LN2 from the liquid supply through the
annular fill line, and into the freezer. There are three plumbing assembly configurations; one for
the HE/Stock Series, one for the HEco Series, and one for the MVE/Cabinet Series. Each one
of these configurations are comprised of three main circuits: fill circuit, purge circuit, and
optional gas bypass circuit.
24 VDC, R ≈ 70 Ω (single), 35 Ω (dual)
Fill Transfer Hose Connections
½ in. ODT, 45° flare, ¼ in. MPT
Purge (3-way) Solenoid Valve
Gas Bypass Solenoid Valve
Gas Bypass Muffler Deflector
HE Series / CryoSystem 6000 Plumbing Assembly