EN 14511-4-2013 en Air conditioners liquid chilling packages and heat pumps with electrically driven compressors for space heating and cooling - Part 4 Operating requirements marki.pdf

1、BSI Standards PublicationBS EN 14511-4:2013Air conditioners, liquid chillingpackages and heat pumps withelectrically driven compressorsfor space heating and coolingPart 4: Operating requirements, markingand instructionsBS EN 14511-4:2013 BRITISH STANDARDNational forewordThis British Standard is the

2、UK implementation of EN 14511-4:2013.It supersedes BS EN 14511-4:2011 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee RHE/17, Testing of air conditioning units.A list of organizations represented on this committee can beobtained on request to its secret

3、ary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2013. Published by BSI StandardsLimited 2013ISBN 978 0 580 80676 6ICS 27.080; 91.140.30Compliance with a British Standard ca

4、nnot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 August 2013.Amendments issued since publicationDate Text affectedBS EN 14511-4:2013EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 14511-4 Augus

5、t 2013 ICS 27.080; 91.140.30 Supersedes EN 14511-4:2011English Version Air conditioners, liquid chilling packages and heat pumps with electrically driven compressors for space heating and cooling - Part 4: Operating requirements, marking and instructions Climatiseurs, groupes refroidisseurs de liqui

6、de et pompes chaleur avec compresseur entran par moteur lectrique pour le chauffage et la rfrigration des locaux - Partie 4: Exigences de fonctionnement, marquage et instructions Luftkonditionierer, Flssigkeitskhlstze und Wrmepumpen mit elektrisch angetriebenen Verdichtern fr die Raumbeheizung und -

7、khlung - Teil 4: Betriebsanforderungen, Kennzeichnung und Anleitung This European Standard was approved by CEN on 30 May 2013. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard

8、without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any ot

9、her language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic

10、, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COM

11、MITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2013 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 14511-4:2013: EBS EN 145

12、11-4:2013EN 14511-4:2013 (E) 2 Contents Page Foreword 3 1 Scope 4 2 Normative references 4 3 Terms and definitions .4 4 Operating requirements 4 4.1 General 4 4.2 Temperature operating range .5 4.2.1 Starting test 5 4.2.2 Test at maximum operating conditions (cooling mode) 5 4.2.3 Freeze-up test .6

13、4.3 Outside the operating range .7 4.4 Shutting off the heat transfer medium flows 7 4.5 Complete power supply failure 7 4.6 Condensate draining and enclosure sweat test .8 4.7 Defrosting .8 4.8 Other requirements9 5 Marking .9 6 Technical data sheet .9 6.1 General description .9 6.2 Performance cha

14、racteristics . 10 6.2.1 Rating characteristics 10 6.2.2 Additional characteristics 10 6.2.3 Sound characteristics 10 6.3 Electrical characteristics . 10 6.4 Operating range 10 7 Instructions . 11 7.1 General . 11 7.2 Physical description . 11 7.2.1 Refrigerant, air and/or liquid circuits 11 7.2.2 Ad

15、ditional heating devices, when integral to the unit 11 7.2.3 Control and safety 11 7.3 Instructions for installation . 11 7.4 Instruction for maintenance 12 7.5 Instructions to test houses 12 Bibliography . 13 BS EN 14511-4:2013EN 14511-4:2013 (E) 3 Foreword This document (EN 14511-4:2013) has been

16、prepared by Technical Committee CEN/TC 113 “Heat pumps and air conditioning units”, the secretariat of which is held by AENOR. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by February 2014 and con

17、flicting national standards shall be withdrawn at the latest by February 2014. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This do

18、cument supersedes EN 14511-4:2011. The main changes with respect to the previous edition are listed below: a) the updating of the normative references. EN 14511 comprises the following parts under the general title Air conditioners, liquid chilling packages and heat pumps with electrically driven co

19、mpressors for space heating and cooling: Part 1: Terms, definitions and classification, Part 2: Test conditions, Part 3: Test methods, Part 4: Operating requirements, marking and instructions According to the CEN/CENELEC Internal Regulations, the national standards organisations of the following cou

20、ntries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, P

21、oland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 14511-4:2013EN 14511-4:2013 (E) 4 1 Scope 1.1 The scope of EN 14511-1 is applicable. 1.2 This European Standard specifies minimum operating requirements which ensure that air conditioners,

22、heat pumps and liquid chilling packages using either air, water or brine as heat transfer media, with electrical driven compressors are fit for the use designated by the manufacturer when used for space heating and/or cooling. 2 Normative references The following documents, in whole or in part, are

23、normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 12102, Air conditioners, liquid chilling packages, hea

24、t pumps and dehumidifiers with electrically driven compressors for space heating and cooling Measurement of airborne noise Determination of the sound power level EN 14511-1:2013, Air conditioners, liquid chilling packages and heat pumps with electrically driven compressors for space heating and cool

25、ing Part 1: Terms, definitions and classification EN 14511-2:2013, Air conditioners, liquid chilling packages and heat pumps with electrically driven compressors for space heating and cooling Part 2: Test conditions EN 14511-3:2013, Air conditioners, liquid chilling packages and heat pumps with elec

26、trically driven compressors for space heating and cooling Part 3: Test methods EN 60204-1, Safety of machinery Electrical equipment of machines Part 1: General requirements (IEC 60204-1, modified) EN 60335-2-40, Household and similar electrical appliances - Safety Part 2-40: Particular requirements

27、for electrical heat pumps, air-conditioners and dehumidifiers (IEC 60335-2-40, modified) EN 61000-3-11, Electromagnetic compatibility (EMC) Part 3-11: Limits Limitation of voltage changes, voltage fluctuations and flicker in public low-voltage supply systems Equipment with rated current 75 A and sub

28、ject to conditional connection (IEC 61000-3-11) 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 14511-1:2013 apply. 4 Operating requirements 4.1 General Except where otherwise stated, tests shall be conducted as described in EN 14511-1 and EN 14511-3.

29、 BS EN 14511-4:2013EN 14511-4:2013 (E) 5 4.2 Temperature operating range 4.2.1 Starting test The unit shall be capable of operating within the limit of use (temperatures and flows) indicated by the manufacturer in the technical documentation (see 6.4). For every condition stated in Table 1, and for

30、both cooling and heating mode where applicable, the unit shall start up and operate for at least 30 min, without being stopped by the safety devices. Table 1 Operational requirements conditions Type Inlet temperature at outdoor heat exchanger C Outlet temperature at indoor heat exchanger C Water flo

31、w rate of air-to-water and water-to-water units Voltage V All types Upper limit of use Upper limit of use Maximum Rated voltage All types Lower limit of use Lower limit of use Minimum Rated voltage The temperatures are set at the beginning of the test and maintained constant during the test. Test vo

32、ltage shall be as specified in Table 1. It is set at the beginning of the test and maintained constant during the test. The environmental conditions during the test shall be as specified in Tables 1 and 2 of EN 14511-2:2013. Air flow rates shall be the same as that used for the rating capacity test,

33、 as specified in EN 14511-2:2013. Deviation between individual values and set values shall be between: zero and minus twice the permissible deviation according to Table 2 of EN 14511-3:2013, for the upper limit of use; zero and plus twice the permissible deviation according to Table 2 of EN 14511-3:

34、2013, for the lower limit of use. Uncertainty of measurement shall be as specified in Table 1 of EN 14511-3:2013. 4.2.2 Test at maximum operating conditions (cooling mode) When operated at conditions stated in Table 2 during 1 h, then switch off for 5 min, and then switched on again for 1 h, the uni

35、t shall meet the following requirements: the unit motor shall operate continuously for the first hour without tripping of the motor overload protective devices; after the shut-down period of 5 min, the unit shall restart automatically no more than 5 min after restarting of the compressor; the unit m

36、otor shall operate again continuously for the rest of the second hour without tripping of the motor overload protective devices. NOTE When possible, switching off the unit is done through the control panel of the unit. BS EN 14511-4:2013EN 14511-4:2013 (E) 6 Table 2 Maximum operating conditions Type

37、 Inlet temperature at outdoor heat exchanger C Outlet temperature at indoor heat exchanger C Voltage V Control cabinet air conditioner Upper limit of use 35 Rated voltage All other types Upper limit of use Upper limit of use Rated voltage This test can be combined with the corresponding starting tes

38、t, except for control cabinet air conditioners where the inlet temperature at the indoor heat exchanger is lowered to 35 C after the starting time. 4.2.3 Freeze-up test 4.2.3.1 Air-cooled unit After the unit has operated for 6 h at the conditions stated in Table 3, and after the last freeze up cycle

39、 has completed, the following requirements shall be fulfilled: no ice shall have accumulated on the evaporator; no ice shall drip from the unit; no water shall drip or be blown off the unit into the room. 4.2.3.2 Water-cooled units After the unit has operated for 6 h at the conditions stated in Tabl

40、e 3 the following requirements shall be fulfilled: air flow through the unit shall not have dropped by more than 5 %; NOTE Ensure that air flow through the unit is not adjusted during the test by some automatic control device. the water temperature difference through the unit shall not have dropped

41、by more than 30 %; the saturated temperature corresponding to the pressure measured at the suction of the compressor shall not have decreased by more than 2 K. Table 3 Freeze up test conditions Unit type Temperature at outdoor heat exchanger Temperature at indoor heat exchanger C Air flow rate Air W

42、ater Dry bulb Wet bulb All types Lowest limit of use 21 15 Lowest entering temperature Minimum setting as allowed by the manufacturer For all units, electrical power voltage and frequency shall be given by the manufacturer. BS EN 14511-4:2013EN 14511-4:2013 (E) 7 4.3 Outside the operating range If o

43、perating outside the temperature range can cause damage to the unit, it shall be provided with safety devices which ensure that the unit suffers no damage when the operating limits of use indicated by the manufacturer are exceeded and remains capable of operating when coming back within these limits

44、. A safety device that does not automatically reset may trip provided that a warning device is fitted. The manufacturer shall indicate any safety devices provided and their operating conditions according to 7.2.3. 4.4 Shutting off the heat transfer medium flows To check the correct operating of the

45、safety devices on the unit, the following faults shall be simulated consecutively. The unit shall have attained steady state in the standard rating conditions according to Tables 3 to 23 of EN 14511-2:2013 for 30 min before every fault is simulated. Each fault simulated shall be maintained for at le

46、ast 1 h. NOTE In case the unit is provided without flow switch but it is required by the manufacturer instructions, the unit is tested with an additional flow switch. a) Shutting off the heat transfer medium flow at the outdoor heat exchanger. b) Shutting off the heat transfer medium flow at the ind

47、oor heat exchanger. c) Shutting off the heat transfer medium flow at the heat recovery heat exchanger where applicable. The unit is checked for any damage sustained during the test and if any safety devices have operated during the test. The unit shall suffer no damage and shall remain capable of op

48、erating after restoration of the flow rates. A safety device that does not automatically reset may trip provided that a warning device is fitted. For units with defrosting system, an additional test shall be conducted at the test conditions specified in Table 4 by shutting off the heat transfer medi

49、um flow at the indoor heat exchanger, at the beginning of the defrosting phase. Table 4 Shutting off the heat transfer medium flows Type of unit Outdoor heat exchanger Indoor heat exchanger Inlet dry bulb temperature C Inlet wet bulb temperature C Inlet dry bulb temperature C Inlet wet bulb temperature C Inlet water temperature C Outlet water temperature C Air-to-air units 2 1 20 15 max. Air-to-water units2 1 a45 Air-to-water units (for floor heating or similar application)2 1 a35 aThe test is p