Version
Document Title
Release Date
02
Narrow Body EL2.1 (REV. A)
–
Owner's Manual
2021-03-22
EL 2.1 -
Owner’s
Manual - Rev.02
–
Mar 2021
15
EL2.1
C
ONNECTION
G
UIDE
The following part will outline the instructions for creating safe connections to and from the EL2.1
Electrolyser. This will also include output management guides, safety-related instructions, and
instructions for connecting power to the device and integrating a non-critical safety chain.
Always ensure that the system is installed and operated in compliance with local code, regulations
and standards. Do not install, operate or maintain the system without explicit knowledge or help from
experienced and licensed system integrators, the manufacturer or external certifying bodies.
If any further questions should arise, please contact the appropriate Enapter service and support
teams who will answer any questions about the installation and integration of the Electrolyser.
Gas connection instructions
All pressurised hydrogen gas connections are Swagelok tube fittings for 1/4" OD tubes. The outlets to
be connected using these instructions are labelled
"H
2
Out"
and
"H
2
Purge"
on the front panel of the
EL2.1.
Follow the below instructions carefully
–
please refer to the Swagelok manufacturers installation guide
for any further details:
An Installer's Pocket Guide for Swagelok® Tube Fittings (MS-13-151)
Tools required
The following tools and materials are required for this task:
•
9/16" Open key wrench
•
5/8" Open key wrench
•
1/4" Tube
Ensure the material chosen for this task is compatible with Hydrogen operation!
•
1/4" Nut and Ferrule (Swagelok)
Instructions
1.
Fully insert a ¼ inch stainless steel tube into the bulkhead union, with the nut and ferrule in
place on the fitting.
2.
Rotate the nut finger-tight, then mark the 6 o'clock position on the nut.
3.
Hold the fitting body steady on the device using the 5/8" open key wrench.
4.
While holding the fitting body steady, tighten the nut
one and one quarter turns
to the 9
o'clock position with the 9/16" open key wrench.
5.
To ensure a leak-proof connection is made, another quarter-turn of the nut (to the 12 o'clock
