Spirax Sarco EP6 Quick Start Manual

This guide covers only a brief description of installation and maintenance for Spiratrol
and QL valves.
For detailed installation, operations, maintenance including safety, precautions, and
warnings, please refer to our official instruction manual at www.spiraxsarco.com
(IM-P703-02 or IM-P703-04 (ATEX)).
EP6 is Electro-Pneumatic Positioner that accurately controls valve stroke in response to an input signal of
4-20 mA from the controller.
Operators must wear ear protection when commissioning positioner
Explosion Proof Warning
Please ensure the unit is being used and installed in conformity with local, regional, and national
explosion proof regulations.
1. Explosion proof type of cables and gaskets should be used, when explosion gases are present
at the installation site. Wiring should be carried out in accordance with IEC 60364 or equivalent.
2. Power should be turned off completely when opening product's cover. When opening the cover,
ensure that there is no power remaining in any electrical parts nearby.
3. Flameproof enclosure type positioner has 2 ports for power connection. Explosion proof type
wires and packing should be used. Blind plug is required when any port is not being used.
4. Ring terminal with surface area of more than 1.25 mm
to connect the power.
5. For external ground terminal, ring terminal with surface area of more than 5.5 mm2 should be used.
6. There is risk of explosion due to static electricity charge. Static electricity charge may develop
when cleaning the product with a dry cloth. It is imperative to avoid static electricity charge in the
hazardous environment. If cleaning the surface of the product is needed, must use a damp cloth.
7. To meet explosion-proof marking information and ingress protection of IP66, use certified
Ex-cable glands and Ex-plugs.
8. If you need additional information about the dimensions of the flameproof joints, contact
Spirax Sarco directly.
9. The electric valve positioner must be connected in series with a fuse with a rated current not
higher than 62 mA, a breaking capacity above 1500A, and a rated voltage not less than the
working voltage of the product.
10. The cable entry must be equipped with a cable entry device, which must be an Ex cable entry
device approved by the explosion-proof inspection agency (For NEPSI - according to the
requirements of GB3836.1-2010 and GB3836.2-2010) and meet the requirements of the product
explosion-proof mark, and the installation of the cable entry device, user must follow its
instructions.
EP6 Positioner
EP6 Positioner
Quick Start Guide
(Only for explosion proof type positioners)
with M4 spring washer should be used
2
IM-P703-05 CTLS Issue 6
IM-P703-05
CTLS Issue 6
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