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BS EN 1397:2015:2016 Edition

BS EN 1397:2015:2016 Edition

$142.49

Heat exchangers. Hydronic room fan coil units. Test procedures for establishing the performance

Published By Publication Date Number of Pages
BSI 2016 30
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This European Standard applies to hydronic fan coil units (FCU) as factory-made single assemblies which provide the functions of cooling and/or heating but do not include the source of cooling or heating.

This European Standard covers both air free delivery and air ducted units with a maximum external static pressure due to duct resistance of 120 Pa max.

This European Standard applies to all types of fan speed control of a fan coil unit (variable speed, multispeed).

This European Standard deals with the cooling and heating functions of the FCU considered as an emitter for cooling/heating of a room/space. It does not cover any ventilation function of the unit.

If the FCU can also provide fresh air, this function is not considered and the fresh air inlet closed during testing.

This European Standard provides a method for the determination of the thermal performance of fan coil units in standard conditions, for the use with hot or chilled water or water mixtures. The test procedures given in this standard may additionally be used for determining performance at other conditions.

It also provides the method for the determination of the air flow rate supplied by the fan coil unit.

This standard does not cover the rating of heating or cooling from direct expansion coils or heating from electric resistance elements.

The standard does not cover acoustic performance of fan coil units which is dealt with in EN 16583 .

It is not the purpose of this standard to specify the tests used for production or field testing.

NOTE

For the purpose of remaining clauses, the term “unit” is used to mean “fan coil unit” as defined in 3.1.

PDF Catalog

PDF Pages PDF Title
4 Contents Page
5 European foreword
6 1 Scope
2 Normative references
3 Terms and definitions
8 4 Designation of fan coil units
5 Symbols
Table 1 — Symbols
9 6 Air flow rate test for ducted units
6.1 General conditions
6.2 Test installation
6.2.1 Outlet measurement method
Figure 1 — Example of test installation (outlet measurement method)
10 6.2.2 Inlet measurement method
Figure 2 — Example of test installation (inlet measurement method)
6.3 Pressure settings
11 Figure 3 — Setup external static pressure difference of ducted units other speeds
6.4 Standard rating conditions
Table 2 — Permissible deviations for set values
6.5 Test procedure
12 6.6 Data to be recorded
Table 3 — Data to be recorded
7 Capacity rating tests
7.1 General conditions
7.2 Test room
13 7.3 Installation of the test object
7.4 Standard rating conditions
7.4.1 Air flow conditions
7.4.2 Temperature conditions
Table 4 — Temperature conditions in cooling mode
14 Table 5 — Temperature conditions in heating mode – 4-pipe units
Table 6 — Temperature conditions in heating mode – 2-pipe units
7.4.3 Electrical conditions
7.5 Test method
7.5.1 General
Figure 4 — Energy flows through the fan coil unit
15 7.5.2 Cooling capacity
7.5.3 Heating capacity
7.6 Measurements criteria
7.6.1 Air inlet dry bulb temperature
16 7.6.2 Moisture content
7.6.3 Liquid temperature
7.6.4 Liquid pressures
7.6.5 Condensate flow rate
7.6.6 Steady state conditions
Table 7 — Permissible deviations for set values
17 7.7 Uncertainties of measurement from indicated values
Table 8 — Uncertainties of measurement from indicated values
7.8 Test duration
18 7.9 Data to be recorded
Table 9 — Data to be recorded
19 8 Performance tests
8.1 General
8.2 Test conditions
Table 10 — Standard conditions for sweat test and air side condensate disposal test
8.3 Sweat test
8.4 Condensate disposal test
20 9 Test report
9.1 General information
9.2 Additional information
9.3 Test results
21 10 Manufacturer’s data
22 Annex A (informative) Drawings of the different types of configurations of fan coil units
A.1 General
A.2 Non ducted units
23 A.3 Ducted units
Figure A.10 — I-shape
24 Figure A.11 — Y-shape
Figure A.12 — H-shape
Figure A.13 — U-shape
25 Annex B (informative) Air flow rate test for non-ducted units
B.1 General conditions
B.2 Testing equipment
B.3 Test installation
B.4 Standard rating conditions
26 B.5 Test procedure
B.6 Data to be recorded
Table B.1 — Data to be recorded
27 Annex C (normative) Design of separation partition for testing of cassette type fan coil units
C.1 General
Figure C.1 — Recirculation of outlet air on a 4-way cassette type unit
C.2 1-way and 2-way cassette type
28 Figure C.2 — Position of the vertical separation plate for 1-way cassette type unit
Figure C.3 — Position of the vertical separation plates for 2-way cassette type unit
C.3 4-way cassette type
Figure C.4 — Dimensions of the separating cone

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BS EN 1397:2015
$142.49