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1、8 I - * I) S- JAPANESE INDUSTRIAL STANDARD UDC 697.356 : 697.97 Fancoil Units JIS A 4 0 0 8 - 1 9 8 7 Translated and Published by Japanese Standards Association Printed in Japan 18 S Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, Use
2、r=Wing, Bernie Not for Resale, 03/13/2007 19:54:46 MDTNo reproduction or networking permitted without license from IHS -,-,- In the event of any doubt arising, the original Standard in Japanese is to be final authority. Copyright Japanese Standards Association Provided by IHS under license with JSAL
3、icensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 19:54:46 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S Ax4008 87 4933608 OOOL200 4 JAPANESE INDUSTRIAL STANDARD Fancoil Units 1. Scope UDC 697.356: 697.97 J I S A 4008-1987 This Japanese
4、Industrial Standard specifies the fancoil units used for environmental air conditioning, hereinafter referred to as the “fancoil unitstt, which have rated delivery of not more than 40 m3/min, are com- pleted products manufactured by assembling cooling and heating coils and blower integrally in the w
5、orkshop, and further, can blow out air directly into the room not aided by cooling source or heating source or can accommodate a duct having a static pressure loss of not more than 5 mm in water column. falling under the following items: However, this Standard does not apply to the unit (1) Electric
6、 cooling fan (2) (3) Coils for refrigerant , coils for steam, or units having heating devices. Units having the sole object of heating air, such as a convector fitted with a fan. Remark: The units and numerical values shown in in this Standard are based on the traditional units and are currently the
7、 criteria in force. 2. Definitions For the purposes of this Standard, the following definitions apply: (1) nominal setting place speed, the location for mounting an airflow controller, such as a switch, by which manufacturer can achieve a standard rotary speed of blower. In a fancoil unit having a v
8、ariable rotary (2) rated delivery The airflow indicated in m3/min delivered from the fancoil unit, when it is operated by the method of 8.1 under the condition of Table 5. (3) rated electric power consumption The electric power consumption when the fancoil unit is operated by the method of 8.2 under
9、 the condition of Table 5. (4) rated cooling capacity The total quantity of heat indicated by kcal/h when the fancoil unit has been operated by the method of 8.3 under the condition of cooling time in Table 4. Applicable Standards: See page 15. , II , Copyright Japanese Standards Association Provide
10、d by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 19:54:46 MDTNo reproduction or networking permitted without license from IHS -,-,- 2 A 4008-1987 Variable airflow type Fixed airflow Division by function rated cooling quantity of sensible
11、heat capacity sensible heat when the fancoil unit has been operated by the method of 8.3 under the condition of cooling time in Table 4. The quantity of Unit having the airflow control device Unit designed so that the airflow rated heating capacity has been operated by the method of 8.3 under the co
12、ndition of heating time in Table 4. rated amount of water passed the rated cooling capacity by taking the temperature rise value AT K at the time of cooling during the state of water supply of Table 4 as the increase of water temperature. The heating capacity when the fancoil unit The quantity of wa
13、ter converted from type Exposure type Recessed type rated water passage resistance measured by the method of 8.4 when the rated water supply quantity has been passed through the fancoil unit. The water passage resistance is constant and fixed Product with whole of outer blocks exposed to the view in
14、 the room Unit with whole or part of outer block concealed from the view applied rated capacity The cooling capacity (total quantity of heat and quantity of sensible heat) , heating capacity, delivery and the like in the range of conditions normally encountered when used for environmental airconditi
15、oning and, in the aggregate, the capabilities to serve as a criterion in the selection of fancoil units. Hanging from the I ceiling type 3. Classification Unit to be set on the ceiling or inside the ceiling The fancoil units shall be classified into the divisions given in Table 1. Table 1. Classific
16、ation I Remark Division Type Division by structure Division by setting form Floor standing 1 type Unit to be set on the floor or an equivalent place. I I Wall type Unit to be set on the wall or an equivalent place I I Copyright Japanese Standards Association Provided by IHS under license with JSALic
17、ensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 19:54:46 MDTNo reproduction or networking permitted without license from IHS -,-,- 3 A 4008-1987 4. Materials The materials shall be as given in Table 2 or those at least equal in quality. Table 2. Materials - Principal par
18、ts Copper tube of element Fin of element Header of element Blowoff opening Blower Casing Name of materials Tough pitch copper seamless tube or phosphorus deoxidized copper seamless tube of JIS H 3300 JIS H 4000 JIS H 4160 JIS G 3101 JIS G 3131 JIS G 3141 JIS G 3302 JIS G 3452 JIS G 5501 JIS G 5502 J
19、IS G 5702 JIS H 3100 JIS H 3250 JIS H 3300 JIS H 5111 JIS G 3141 JIS G 3302 JIS G 3313 JIS H 4000 JIS H 4040 JIS H 4100 Plastics (Those durable at 55OC or more) JIS G 3141 JIS G 3302 JIS G 3312 JIS G 3313 JIS K 6744 Plastics (Those durable at 55OC or more) Copyright Japanese Standards Association Pr
20、ovided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 19:54:46 MDTNo reproduction or networking permitted without license from IHS -,-,- I _ _ _ - - I J I S A*4008 87 4933608 0001203 T 4 A 4008-1987 Principal parts Blower C asin g Blade D
21、rain pan 5. Structure 5.1 General Structure following items : Table 2 (Continued) Name of materials JIS G 3141 JIS G 3302 JIS G 3313 JIS G 4051 JIS H 4000 JIS H 4040 JIS H 4100 JIS K 6744 Plastics (Those durable at 55OC or more) JIS G 3141 JIS G 3302 JIS G 3313 JIS H 4100 JIS K 6744 Plastics (Thsoe
22、durable at 55OC or more) JIS G 3141 JIS G 3302 JIS G 3313 JIS G 4305 Plastics (Those durable at 55OC or more) The structure of fancoil units shall comply with the (1) The principal part shall be made of materials specified in 4. Materials, endure ordinary external force and have a large durability.
23、(2) The part to be loaded with the circulating water pressure shall have a sufficient strength. (3) Each part shall be finished adequately and have a structure not liable to corrosion or rust. (4) The structure shall be free from remarkable vibration or noise during its use and shall ensure safety o
24、peration. (5) The insulation distance shall be not less than the value in Table 3. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 19:54:46 MDTNo reproduction or networking permitted withou
25、t license from IHS -,-,- J I S A*4008 87 = 4933bR8 0001204 I = 5 A 4008-1987 (6) The fancoil unit shall have a suitable device or a structure to extract . the air from the coils. (7) The fancoil unit body shall have a structure capable of being attached securely to the floor, ceiling, etc. on the oc
26、casion of inst allation. (8) The fancoil unit to be fitted with structurally an air filter shall be capable of attaching and detaching it easily. I Table 3. Insulation Distance Unit: mm h e r 150 up to 300 50 or under Over 50 up to 150 Line voltage or voltage to ground V I - 6 6 Terminal connected b
27、y the user Between the terminals connected by the user and the dead metallic part liable to earthing or the nonmetallic part in danger of human contact 6 6 Between the terminals connected by the manufacturer Between the terminals connected by the manufacturer and the dead metallic part liable to ear
28、thing or the nonmetallic part in danger of human contact 3 4 2.5 3 - 1.2 1.5 Between the live . parts different in polarity (including the electric wire mounting terminal for the part having a switching mecha- nism) - Fixed part free from damage by incoming dust or metallic powder Other places 1.5 2
29、 v1 5 A k at 5 O - 3 2.5 Between the live part and the dead metallic part liable to earthing or nonmetallic part in danger of human contact Fixed part free from damage by incoming dus1 or metallic powder Other places 1.5 1.2 1.2 2 2.5 u i Copyright Japanese Standards Association Provided by IHS unde
30、r license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 19:54:46 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S A*4008 87 W 4933b08 0001205 3 W 6 A 4008-1987 5.2 Power Source Wire and Others For the power source wire of fanco
31、il unit (including lead wires), the electric wire connecting appliances and the wire unavoidably exposed to the outside of appliance body for functional reasons, hereinafter referred to as the “power source wire and otherstf, the vinyl cord as specified in JIS C 3306 or one at least equal in quality
32、 shall be used with the nominal sectional area of conductor not less than 0.75 mm2, and further, shall comply with each of the following items: The permissible current of the power source wire and others shall be not less than the maximum used current of the load connected with its power source wire
33、 and others. The structure of power source wire and others shall be such that when a tension of 100 N has been applied toward the outside of the body for 15 sec continuously or when a location of the wire 5 c m away from the side of appliance body of the power source wire and others is held and push
34、ed in toward the inside of appliance body, the connecting part shall be safe from the tension and the bush shall not be disjointed. The mounting terminal screw of the power source wire and others shall not be used for the mounting of the articles other than the power source wire. However, this requi
35、rement does not apply to the case where articles other than power source wire will not drop off at the time of attachment or detachment of power source wires. Chamfering and other suitable protective work shall be carried out at the penetrated hole for the power source wire; etc. for fear of impairi
36、ng the power source wire and others, except where the protective spring, protective bush and other adequate protective devices are used. However, this requirement does not apply where the penetrated part is nonmetallic, smooth, and further, free from fear of impairing the power source wire and other
37、s. 5.3 Earthing Terminal and Lead Wire for Earthing The fancoil unit shall be provided, at a conspicuous location, with markings specified in JIS C 0602 and equipped with such an earthing terminal and a lead wire for earthing as complies with the requirements of the items stated below. Except the fa
38、ncoil units with no metallic part exposed to the outside the unit body and the ones with a structure capable of earthing by means of the blade for earthing the power source plug. Further, a conspicuous location is defined as the outer surface easy to be seen in the ordinary state or a place where in
39、spection, works, etc. can be easily made without using special tools, provided for the recessed type of fancoil, it may be any place easy to be seen in the state before the flush work. (1) The earthing terminal shall ensure easy and secure fitting of the earthing conductor. (2) The material of screw
40、s of earthing terminal shall be copper or copper alloy and the nominal diameter shall be not less than 4 mm (and not less than 3.5 mm for the pushing clamp screw). Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not
41、for Resale, 03/13/2007 19:54:46 MDTNo reproduction or networking permitted without license from IHS -,-,- I J I S A*4008 87 = 4933b08 000L20b 5 * 7 A 4008-1987 (3) The lead wire for earth shall be one of the following: (a) Annealed copper wire with a diameter of 1.6 mm or metallic wire having a stre
42、ngth and a thickness at least equal and difficult to corrode. (b) Single core cord or single core cabtire cord with the nominal conductor area of not less than 1.25 mm2. (c) Cord with two cores, whose nominal conductor area is not less than 0.75 mm2 and whose two conductors are braided at both ends
43、and brazed or contact - bonded. (d) Cord with multicores whose nominal conductor area is not less than 0.75 mm2 (except twisted cords), or one of the cores of the cabtire cable with multicores . (4) The markings of earth shall compIy with the following: (a) The markings of the terminal and lead wire
44、 shall be made on themselves (excluding the detachable terminal screw for earth) or near them by an ineffaceable method with the information of lfor earth!. . (b) The terminal connected to the lead wire for earth inside fancoil unit body and the core connected to the blade for earth of power source
45、plug shall be marked by an ineffaceable method with the information of “for earth“. 6. Rating 6.1 Rated Voltage and Rated Frequency The rated voltage of fancoil units shall be single-phase alternating current 100 V , single-phase alternating current 200 V or three-phase alternating current 200 V; th
46、e rated frequency shall be 50 Hz exclusively or 60 Hz exclusively or 50 Hz and 60 Hz for common use. condition used for the measurement of the rated air conditioning capacity of fancoil units shall be as specified in Table 4. 6.2 Measuring Condition of Rated Air Conditioning Capacity The operating C
47、opyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 19:54:46 MDTNo reproduction or networking permitted without license from IHS -,-,- 8 A 4008-1987 Condition of dry- bulb temperature of inlet a
48、ir Condition of water supply Setting place of airflow controller Table 4. Measuring Condition of Rated Air Conditioning Capacity 14 to 26% No water is supplied At the time of nominal setting place Condition of inlet air Condition of water supply Setting place of airflow controller Difference of the static pressure of inlet air and outlet air At the cooling time At the heating time At the cooling time At the heating time Dry- bulb temperature Wet - bulb temperature Dry- bulb temp e