Version
Document Title
Release Date
08
EL2.0
–
Installation Manual
2020-03-18
EL2.0 Installation Manual
–
Rev.08 Mar 2020
19
GAS CONNECTIONS
Bulkhead unions for ports
H1.1
(Hydrogen outlet) and
H1.2
(Hydrogen purge)
Assembly description:
1.
Fully insert a ¼ inch stainless steel tube into the bulkhead union.
2.
Rotate the nut finger-tight.
3.
While holding the fitting body steady with one wrench, tighten the nut with another wrench rotating
clockwise.
WATER AND PURGE CONNECTIONS
✓
Bulkhead union 10 mm Ø for
W1.1
(O2 Vent/Overfilling port)
✓
Bulkhead union 8 mm Ø for
W1.2
(Refilling port)
Assembly description:
1.
Cut the tube and remove sharp edges. Ensure the outside diameter is free of score marks.
2.
Push the tube into the fitting, to the tube stop (the pipe diameter must be 8 or 10 mm according to the
respective port).
3.
Pull on the tube to check it is secure. Test the system before use.
4.
To disconnect, ensure the system is depressurized, push the collet square against the fitting. With the collet
held in this position the tube can be removed.
