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This document provides the Error and Flow Control Protocol (EFCP) specification. EFCP provides an inter-process communication (IPC) service to an application process, which can be a (N+1)-IPC process (IPCP), with the requested Quality of Service (QoS). One or more service data units (SDUs) are passed on the (N)-port-id to the (N)-DIF (distributed IPC facility) to be sent to the destination…

This document specifies test conditions for determining the seasonal performance characteristics of air to water heat pumps for space heating with electrically driven compressors with or without supplementary heater. In the case of air to water heat pumps for space heating consisting of several parts with refrigerant or water connections, this document applies only to those designed and supplied…

1 Scope 1.1 Inclusions This Code applies to a) the design, location, construction, operation, operator training, and maintenance of CNG vehicle refuelling stations; and b) CNG bulk transport filling and decanting stations, including i) those that are fixed or mobile and intended for private or public dispensing operations; and ii) bulk transport filling and decanting stations that feed…

1 Domaine d’application 1.1 Les exigences de la présente norme s’appliquent au matériel unidirectionnel et bidirectionnel non embarqué d’une puissance inférieure ou égale à 1000 V c.a. et 1500 V c.c., qui transfère l’énergie électrique entre un véhicule électrique et des charges externes et fonctionne en parallèle avec un système d’alimentation électrique, comme le réseau de distribution d’…

1 Scope 1.1 Purpose The purpose of this Standard is to minimize the risk of personal injury by providing minimum requirements for the design, construction, installation, inspection, and maintenance of the mechanical refrigeration systems and volatile direct refrigeration systems specified in Clauses 1.2.1and 1.2.2. Note: This Standard does not directly address protection of property and…

Scope 1.1 This Standard sets forth the minimum requirements for containment sumps, and associated sump fittings and accessories (products) intended for below-grade, or at-grade, or above-grade use as an enclosure for the housing of, and access to, underground piping, connector piping, and other fueling system components (such as pumps, valves, sensors, wiring, etc.), in addition to temporary…

IEC 60079-48:2023, which is a Technical Specification, provides guidance for an owner or operator for the use of portable or personal electronic equipment to be used in hazardous areas requiring Equipment Protection Level (EPL) Gb, Gc, Db, or Dc that are not otherwise commercially available with a certificate. This document does not apply to: • equipment that is electrically connected to fixed…

IEC TS 62786-1:2023, which is a Technical Specification, provides principles and general technical requirements for distributed energy resources (DER) connected to an electric power network (in the following: the "network"). It applies to the planning, design, operation and connection of DER to networks. It includes general requirements, connection scheme, choice of switchgear, normal…

IEC TS 62786-3:2023, which is a Technical Specification, provides principles and technical requirements for interconnection of distributed Battery Energy Storage System (BESS) to the distribution network. It applies to the design, operation and testing of BESS interconnected to distribution networks. It includes the additional requirements for BESS, such as connection scheme, choice of switchgear…

This document details a classification of imperfections that can occur in brazing joints. In addition, guidance is provided on quality levels and suggested limits for imperfections are detailed. For requirements not covered by this document, reference can be made to other sources, such as statutory regulations, codes of practice and technical delivery conditions. No information is given on how…