Hi Is there a requirement to locat

Delarf · May 24, 2023

Hi Is there a requirement to locate the Control\Ignition panel for an industrial Gas fired heater away from the heater for safety reasons. f so what is the standard and the minimum distance.

georgeverghese · May 24, 2023

There would be if the heater is a natural draft unit.

shvet · May 25, 2023

As I remember safe distances were in EN 746-2 and references in that. See CEN/TC 186 docs.

shvet · Jun 30, 2023

Update

API 556-2011 said:
3.4.5 Manual Trip (Emergency Shutdown)
A manual trip shall be provided to isolate all fuel sources. ...
Where existing field panels do not allow for safe access and egress during an emergency situation, or where the radiant heat from a heater fire may prohibit access, it is recommended to have a secondary manual trip outside of a 50 ft (16 m) zone. A design consideration is to install a manual quarter turn tight shutoff valve outside battery limits [> 50 ft (> 16 m)] clearly marked for emergency isolation.
A minimum of two emergency shutdown locations is recommended. Therefore, if a manual trip location outside of a 50 ft (16 m) zone is not available, then a remote manual trip from a continuously manned location (always recommended) such as a central control room may be required (e.g. DCS remote trip).

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