BS 5864:2019 – TC
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Tracked Changes. Installation and maintenance of gas-fired ducted air heaters of rated heat input not exceeding 70 kW net (2nd and 3rd family gases). Specification
| Published By | Publication Date | Number of Pages |
| BSI | 2019 | 124 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | compares BS 5864:2019 |
| 2 | TRACKED CHANGES Test example 1 |
| 3 | BS 5864:2019 to BS 5864:2010 |
| 6 | Foreword ii |
| 7 | Foreword Publishing information Supersession Information about this document Use of this document Presentational conventions Contractual and legal considerations Compliance with a British Standard cannot confer immunity from legal obligations. |
| 10 | 2 Normative references Standards publications |
| 11 | Other publications 3 Terms and definitions 3.1 air heater |
| 12 | 3.2 air vent 3.3 chimney 3.4 compartment 3.5 ducted-air heater 3.6 flue 3.7 flue pipe 3.8 installation instructions 3.9 internal space 3.10 intumescent air vent 3.11 natural convection air heater 3.12 open-flued (type B) heater 3.13 plenum |
| 13 | 3.14 protected stairway 3.15 register 3.16 room-sealed (type C) heater 3.17 SE-duct 3.18 slot-fit heater 3.19 transfer grille 3.20 U-duct Annex A (informative)4 Competence |
| 15 | 5 Environmental considerations 46 Selection of equipment and pre-installation 4.16.1 Exchange of information and planning Consultation between those carrying out the work |
| 16 | Consultation with official bodies |
| 17 | 4.26.2 Selection of heater 4.2.16.2.1 General New heaters |
| 18 | Previously used heaters 4.2.26.2.2 Sizing the heater 4.2.36.2.3 Types of heater |
| 19 | 4.36.3 Location of heaters 4.46.4 Condensing heaters 4.4.16.4.1 General |
| 20 | 6.4.2 Location 6.4.2.1 General 6.4.2.2 3rd family gases 4.4.26.4.3 The sitingSiting of the chimney outlet |
| 22 | 6.4.4 Selection of condensate discharge point 6.4.5 Combined discharge from pressure relief valve and heater condensate drain 6.4.6 Use of condensate pump |
| 23 | 6.4.7 Choice of discharge pipe 6.4.7.1 Separate pressure relief valve and condensate discharge pipes 4.4.3 The choice of condensate drainage pipe 4.4.3.16.4.7.1.2 Material 4.4.3.26.4.7.1.3 Condensate removal by gravity Diameter of internally run condensate pipe 6.4.7.1.4 Diameter of externally run condensate pipe |
| 24 | 6.4.7.2 Combined pressure relief valve and condensate discharge pipes 6.4.7.2.2 Removal by gravity 6.4.7.2.3 Removal with condensate pump |
| 25 | 6.4.7.2.4 Discharge pipes combined internally within the heater case 6.4.7.2.4.1 Removal by gravity 6.4.7.2.4.2 Removal with condensate pump 4.4.3.3 Condensate removal by pump |
| 26 | 4.4.46.4.8 The positioningPositioning and termination of the condensate drainage pipe 4.4.4.1 General |
| 27 | 4.4.56.4.9 In-line condensate neutralizer devices 6.4.9.1 In-line condensate neutralizer devices fitted to a dedicated condensate discharge pipe |
| 28 | 6.4.9.2 In-line condensate neutralizer device fitted to a combined pressure relief valve and condensate discharge pipe 6.4.9.2.1 Discharge pipes combined outside the heater during installation 6.4.9.2.2 Discharge pipes combined internally within the heater 4.4.66.5 Materials and components |
| 29 | 6.6 Heater rating 57 Installation 5.17.1 Ventilation 5.1.17.1.1 General 5.1.27.1.2 Combined appliances 5.1.37.1.3 Multi-appliance installations |
| 30 | 5.1.47.1.4 Fanned air supply |
| 32 | 5.27.2 Chimney system 5.2.17.2.1 General 5.2.27.2.2 Condensing heaters 5.37.3 Installation and location 5.3.17.3.1 General |
| 33 | 5.3.27.3.2 Location of heaters within certain types of building 5.3.2.17.3.2.1 Buildings 5.3.2.27.3.2.2 Buildings of timber and steel frame construction 5.3.37.3.3 Locations for installations 5.3.3.17.3.3.1 Compartments |
| 35 | 5.3.3.27.3.3.2 Airing cupboards |
| 37 | 5.3.3.37.3.3.3 Under-stairs cupboards |
| 38 | 5.3.3.47.3.3.4 Slot-fit |
| 39 | 5.47.4 Gas supply 5.57.5 Electrical supplies and wiring 5.67.6 Water connections |
| 40 | 5.77.7 Ducting 5.7.17.7.1 Ductwork for new installations 5.7.27.7.2 Warm air ducting 5.7.37.7.3 Return air ducting |
| 41 | 5.7.47.7.4 Plenums |
| 42 | 5.7.57.7.5 Plenum adaptors 5.7.67.7.6 Room temperature thermostats or thermistorstats 5.7.6.1 General 5.7.6.2 Ducting in buildings |
| 43 | 68 Post-installation 6.18.1 Inspection 6.28.2 Commissioning |
| 44 | 6.38.3 Advice to be given to the user 6.3.18.3.1 Operating instructions 6.3.28.3.2 Maintenance 6.3.2.18.3.2.1 General 6.3.2.28.3.2.2 Combustion performance |
| 46 | Annex BA (informative) |
| 47 | Annex B (normative) 4.4.4.2 Connection to a soil and vent stack system (Figure 1) 4.4.4.2.1B.1 Connection to an internal soil and vent stack system (Figure B.1), i.e. an internal foul water discharge point |
| 48 | 4.4.4.2.2 Connection to an external soil and vent stack system Key |
| 49 | B.2 Connection to an external foul water discharge point B.2.1 General 4.4.4.3B.2.2 Connection to an internal waste pipe (Figure 2B.2) |
| 55 | Figure 3 External termination of condensate drainage pipe B.2.3 Connection to an external soil and vent stack system (Figure B.4) |
| 56 | Key 4.4.4.4B.2.4 Connection to an external drain, gully or rainwater hopper (Figure 3B.5) |
| 57 | B.2.5 Special conditions when using a rainwater downpipe (Figure B.6) |
| 58 | Key |
| 59 | 4.4.4.5B.2.6 Connection to a purpose made soakaway (Figure 4B.7) |
| 62 | Annex C (informative) C.1 Visual inspection C.2 Smoke method C.3 Spillage test (open flued heater) |
| 63 | Annex D (informative) |
| 64 | Bibliography Standards publications Other publications |
| 70 | Foreword |
| 73 | 1 Scope 2 Normative references |
| 74 | 3 Terms and definitions |
| 76 | 4 Competence |
| 77 | Table 1 — Approval bodies and statutory regulations by country/territory Table 2 — Competence requirements by country/territory 5 Environmental considerations |
| 78 | 6 Selection of equipment and pre-installation |
| 91 | 7 Installation |
| 92 | Figure 1 — Typical installation where combustion air is supplied from a ventilated roof space |
| 96 | Figure 2 — Typical compartment installation of a down-flow fan-assisted ducted-air heater |
| 98 | Figure 3 — Airing cupboard partition and guard configuration |
| 99 | Figure 4 — Typical slot-fit installation |
| 102 | Figure 5 — Typical return air arrangements |
| 104 | 8 Post-installation |
| 107 | Annex A (informative) Servicing and maintenance of convection chamber installations |
| 108 | Annex B (normative) Connection options for condensate and combined pressure relief valve/condensate discharge |
| 109 | Figure B.1 — Connection of condensate drainage pipe to internal soil and vent stack |
| 112 | Figure B.2 — Connection of a condensate drainage pipe downstream of a sink, basin, bath or shower waste trap |
| 113 | Figure B.3 — Connection of a condensate drainage pipe upstream of a sink, basin, bath or shower waste trap |
| 114 | Figure B.4 — Connection of condensate drainage pipe to external soil and vent stack |
| 115 | Figure B.5 — External drain, gully or rainwater hopper |
| 116 | Figure B.6 — External termination to rainwater downpipe |
| 118 | Figure B.7 — Example of a purpose made soakaway |
| 119 | Annex C (informative) Checking the condition of the heat exchanger of open-flued heaters |
| 120 | Annex D (informative) Setting up the fan assisted provision of combustion air |
| 121 | Bibliography |
