NB/T 10464.4-2020Procurement specification for solar thermal utilization systems - Part 4: Household solar space heating system (English PDF)

Foreword

This document starts from the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules of Standardization Documents" grass.

This document is part 4 of NB/T 10464 "Technical Specifications for Procurement of Solar Thermal Utilization Systems". NB/T 10464 has released the following section.

--Part 1 General Rules;

--Part 2 Domestic solar water heating system;

--Part 3 solar hot water project;

--Part 4 Household solar heating system;

--Part 5 Solar Heating Project;

--Part 6: Solar energy industry and agricultural heating projects.

1 Scope

This document specifies the basic requirements, design, quality, installation and acceptance, after-sales service and operation and maintenance of household solar heating system procurement. Technical requirements such as protection.

This document is applicable to bidding activities for purchasing and placing orders for household solar heating systems.

2 Normative references

The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated reference documents, Only the version corresponding to that date is applicable to this document; for undated references, the latest version (including all amendments) is applicable to this document file.

GB 6932 Domestic gas instantaneous water heater

GB/T 12936 Terminology for Solar Thermal Utilization

GB 14536.1 Household and similar electric automatic controllers Part 1: General requirements

GB/T 15405-2006 Thermal technical conditions and test methods for passive solar houses

GB/T 17581 Vacuum tube solar collector

GB/T 19409 Water (ground) source heat pump unit

GB/T 19775 Glass-metal sealed heat pipe vacuum solar collector tube

GB/T 20289 Storage type electric water heater

GB/T 24767 Solar gravity heat pipe

GB/T 25127.2 Low ambient temperature air source heat pump (chiller) unit Part 2: Household and similar heat pump (chiller) units

GB/T 26975 All-glass heat pipe vacuum solar collector tube

GB/T 26976 Technical requirements for solar air collectors

GB 50242 Code for acceptance of construction quality of building water supply and drainage and heating engineering

GB 50243 Code for acceptance of construction quality of ventilation and air-conditioning engineering

GB 50364-2018 Technical Standard for the Application of Solar Water Heating System in Civil Buildings

GB 50495-2019 Technical Standards for Solar Heating Engineering

JGJ 142 Technical Regulations for Radiant Heating and Cooling

JGJ/T 267-2012 Passive Solar Building Technical Code

NB/T 10150-2019 Technical conditions of northern rural household solar heating system

NB/T 10151-2019 Northern Rural Household Solar Heating System Performance Test and Evaluation Method

NB/T 10464.1 Technical Specification for Procurement of Solar Thermal Utilization System Part 1: General Rules

NB/T 34023 Solar water heater enamel hot water storage tank

NB/T 34032-2016 Domestic solar water heating system after-sales service specification

NB/T 34034 Air source heat pump water heater enamel hot water storage tank

NB/T 34042 heating enamel hot water storage tank

NB/T 34043 Stainless steel atmospheric hot water storage tank for solar hot water project

NB/T 34070 Technical Specification for All-Glass Vacuum Solar Collector Tube

NB/T 34074 Technical Specification for Flat Panel Solar Collector

3 Terms and definitions

The terms and definitions defined in GB/T 12936, GB 50495-2019 and NB/T 10464.1 apply to this document.

4 Basic requirements

4.1 The general rules for the purchase of household solar heating systems shall comply with the provisions of NB/T 10464.1.

4.2 When the purchaser has special technical requirements for the functions and key equipment of the household solar heating system, it shall be clearly stated in the purchase documents and shall be regulated accordingly. Determine verification methods and evaluation indicators.

5 Design requirements

5.1 The planning, architectural design and technical integration design of the passive solar house shall comply with the requirements of Chapter 4 and Chapter 5 in JGJ/T 267-2012.

5.2 The general regulations, overall design, enclosure structure and passive solar heat collection and storage components of passive solar heating shall comply with GB The provisions of Chapter 3 in 50495-2019.

5.3 System selection, system load calculation, solar heat collection system design and solar heat storage system of active solar heating system The design should meet the requirements of Chapter 4, Chapter 5 and Chapter 6 in GB 50495-2019.

5.4 The overall and design requirements of the northern rural household solar heating system should comply with the regulations in Chapter 5 and Chapter 6 of NB/T 10150-2019. set.

6 Quality requirements

6.1 The technical requirements of passive solar houses shall comply with the regulations in Chapter 4 of GB/T 15405-2006. Performance of household solar heating system It should meet the requirements of Chapter 7 in NB/T 10150-2019.

6.2 The technical requirements for the key components of the household solar heating system shall comply with the requirements in Table 1, and the technical requirements for other components shall be performed in accordance with the standards See Appendix A.

6.3 The key components of the household solar heating system shall be provided with an inspection report issued by a qualified third-party quality inspection agency.

Purchasing objects should be products with the same model and production date within 2 years of the delivery date. Other parts, materials and accessories should provide a certificate of conformity file.

7 Installation and acceptance requirements

7.1 The construction, acceptance and performance evaluation of the passive solar house shall meet the requirements of Chapter 6 and 7.3 of JGJ/T 267-2012.

7.2 The installation and commissioning of household solar heating systems shall meet the requirements of 5.3, 6.4, 7.1 and 7.2 of GB 50495-2019.

7.3 The construction of the heating system at the end of the low-temperature hot water floor radiation shall comply with the requirements of JGJ 142, and the construction of the heating system at the end of the fan coil shall comply with the According to the provisions of GB 50243, the construction of the heating system at the end of the radiator shall comply with the provisions of GB 50242.

7.4 The purchaser may conduct sampling inspections on the key components transported to the construction site. Inspection items, sampling quantity and judgment rules are negotiated by both parties determine.

7.5 Upon completion acceptance, the purchaser and supplier may jointly conduct the acceptance inspection according to the contract, or entrust a third party with corresponding qualifications Testing agency, randomly select at least 1% from the same type of household solar heating system, and conduct the test according to the regulations of NB/T 10151-2019 And evaluation.

7.6 After completion and acceptance, users should be introduced to the basic performance of the product, as well as the correct use, maintenance, and maintenance methods, and a detailed description of the There are safety-related precautions, and operation demonstrations should be made when necessary.

8 After-sales service requirements

8.1 The calculation method, the obligation of the three guarantees and the responsibility of the three guarantees of the household solar heating system shall be in accordance with 6.1.3~ in NB/T 34032-2016 The provisions of 6.1.5, 6.2, Chapter 7 and Chapter 8 shall be implemented.

8.2 The validity period of the three guarantees for household solar heating systems shall be no less than 10 years. If quality problems occur during the warranty period, the service party will repair them free of charge;

If quality problems occur outside the warranty period, the service party will charge for repairs.

8.3 The warranty period for collectors (including brackets), storage tanks, controllers, valves, instruments and other accessories shall be no less than 3 years.

9 Operation and maintenance requirements

9.1 The operation and maintenance of the passive solar house shall comply with the provisions of 7.1 and 7.2 of JGJ/T 267-2012.

9.2 The operation and maintenance of household solar heating systems can be implemented in accordance with the provisions of Chapter 8 of GB 50364-2018.

Appendix A (Informative)

Other components technical requirements implementation standards Refer to Table A.1 for the implementation standards for technical requirements of other components. references [1] GB/T 151 heat exchanger [2] GB/T 1226 General pressure gauge [3] GB/T 3091 Welded steel pipe for low pressure fluid transportation [4] GB/T 5657 Technical requirements for centrifugal pumps (Class III)

[5] GB/T 8163 Seamless steel pipe for conveying fluid [6] GB/T 12238 Flange and wafer connection elastic sealing butterfly valve [7] GB/T 13008 Technical conditions of mixed flow pump and axial flow pump [8] GB/T 14382 Three-pass filter for pipeline [9] GB/T 17794 Flexible foam rubber and plastic thermal insulation products [10] GB/T 19232 Fan Coil Unit [11] GB/T 19913 Cast iron heating radiator [12] GB/T 21385 Metal Sealed Ball Valve [13] GB/T 24798 Rubber seals for solar water heating systems [14] GB/T 24924 Elastic sealing gate valve for water supply system [15] GB/T 26709 Rigid polyurethane foam for solar water heaters [16] GB/T 26974 Technical requirements for the heat sink of flat-plate solar collectors [17] GB/T 29039 Steel heating radiator [18] GB/T 29045 Prefabricated thin and light hot water radiant heating panels [19] GB/T 29466 Plate heat exchanger unit [20] GB/T 30121 Industrial platinum thermal resistance and platinum temperature sensing element [21] GB/T 34017 Composite heating radiator [22] JB/T 8937 Wafer check valve [23] JB/T 12599 Integrated temperature sensor [24] JB/T 17768 Electric valve for air conditioning water system [25] NB/T 32003 Solar thermal utilization self-limiting temperature electric heating belt [26] NB/T 34072 Technical specification for weather resistance of flat plate solar collector heat sink [27] NB/T 34073 Propylene glycol type as working fluid for low-temperature solar heat utilization [28] QB/T 1199 float valve