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eLibrary > BS EN 14511-3:2022 - TC Tracked Changes. Air conditioners, liquid chilling packages and heat pumps for space heating and cooling and process chillers, with electrically driven compressors - Test methods >

BS EN 14511-3:2022 - TC Tracked Changes. Air conditioners, liquid chilling packages and heat pumps for space heating and cooling and process chillers, with electrically driven compressors - Test methods, 2024

BS EN 14511-3:2022 - TC Tracked Changes. Air conditioners, liquid chilling packages and heat pumps for space heating and cooling and process chillers, with electrically driven compressors - Test methods, 2024

A-30432159.pdf [Go to Page]
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1 Scope
2 Normative references
3 Terms and definitions
4 Tests for determination of capacities [Go to Page]
4.1 Basic principles and methods [Go to Page]
4.1.1 Air-to-air and water(brine)-to-air units
4.1.2 Air-to-water(brine) and water(brine)-to-water(brine) units
4.1.3 Capacity correction [Go to Page]
4.1.3.1 General
4.1.3.2 Capacity correction due to indoor fan for non-ducted units
4.1.3.3 Capacity correction due to indoor fan for ducted units
4.1.3.4 Capacity correction due to indoor liquid pump
4.1.4 Effective power input [Go to Page]
4.1.4.1 General
4.1.4.2 Power input correction due to fans for non-ducted units
4.1.4.3 Power input correction due to fans for ducted units
4.1.4.4 Power input correction due to liquid pumps
4.1.5 Units on a distribution network of pressured water
4.1.6 Units for use with remote condenser
4.2 Test apparatus [Go to Page]
4.2.1 Arrangement of the test apparatus [Go to Page]
4.2.1.1 General requirements
4.2.1.2 Test room for the air side
4.2.1.3 Appliances with duct connection
4.2.1.4 Appliances with integrated pumps
4.2.1.5 Liquid chilling package for use with remote condenser
4.2.2 Installation and connection of the test object [Go to Page]
4.2.2.1 General
4.2.2.2 Installation of unit consisting of several parts
4.2.2.3 Indoor units of multisplit systems
4.2.2.4 Measuring points
4.3 Uncertainties of measurement
4.4 Test procedure [Go to Page]
4.4.1 Settings [Go to Page]
4.4.1.1 All units
4.4.1.2 Non-ducted units
4.4.1.3 Units ducted on the indoor heat exchanger
4.4.1.4 Units ducted on the outdoor heat exchanger
4.4.2 Output measurement for water (brine)-to-water (brine) and water (brine)-to-air units [Go to Page]
4.4.2.1 Steady-state conditions
4.4.2.2 Measurement of heating capacity, cooling capacity and heat recovery capacity
4.4.3 Output measurement for cooling capacity of air-to-water (brine) and air-to-air units [Go to Page]
4.4.3.1 Steady-state conditions
4.4.3.2 Measurement of cooling capacity
4.4.4 Output measurement for heating capacity of air-to-air and air-to-water units [Go to Page]
4.4.4.1 General
4.4.4.2 Step 1: Preconditioning
4.4.4.3 Step 2: End of defrost cycle
4.4.4.4 Step 3: Equilibrium period
4.4.4.5 Step 4: Defrost cycle
4.4.4.6 Step 5: Data collection
4.4.4.7 Step 6: Steady-state operation
4.4.4.8 Step 7: Transient operation
4.4.5 Permissible deviations
4.5 Test results [Go to Page]
4.5.1 Data to be recorded
4.5.2 Cooling capacity and heat recovery capacity calculation
4.5.3 Heating capacity calculation [Go to Page]
4.5.3.1 Steady-state capacity test
4.5.3.2 Transient capacity test
4.5.4 Effective power input calculation [Go to Page]
4.5.4.1 Steady-state test
4.5.4.2 Transient with defrost cycle
4.5.4.3 Transient without defrost cycle
4.5.5 EER and COP calculation
5 Electrical consumptions for single duct and double duct units [Go to Page]
5.1 Determination of power consumption due to standby mode
5.2 Determination of power consumption in off-mode
5.3 Electricity consumption
6 Air flow rate measurement of ducted units
7 Heat recovery test for air-cooled multisplit system [Go to Page]
7.1 Test installation [Go to Page]
7.1.1 General
7.1.2 Three-room calorimeter method
7.1.3 Three-room air-enthalpy method
7.1.4 Two-room air-enthalpy method
7.2 Test procedure
7.3 Test results
8 Test report [Go to Page]
8.1 General information
8.2 Additional information
8.3 Rating test results
Annex A (normative)Calorimeter test method [Go to Page]
A.1 General
A.2 Calibrated room-type calorimeter
A.3 Balanced ambient room-type calorimeter
A.4 Calculations-cooling capacities [Go to Page]
A.4.1 General
A.4.2 Total cooling capacity on the indoor-side
A.4.3 Total cooling capacity of liquid (water)-cooled equipment deducted from the condenser side
A.4.4 Latent cooling capacity (room dehumidifying capacity)
A.4.5 Sensible cooling capacity
A.4.6 Sensible heat ratio
A.5 Calculation-heating capacities [Go to Page]
A.5.1 General
A.5.2 Determination of the heating capacity by measurements in the indoor-side room
A.5.3 Determination of the heating capacity by measurements in the outdoor-side room
A.5.4 Total heating capacity of liquid (water)-to-air unit deducted from the water side
Annex B (normative)Indoor air enthalpy method [Go to Page]
B.1 General
B.2 Test installation [Go to Page]
B.2.1 General
B.2.2 Air outlet section
B.2.3 Air inlet section
B.2.4 Discharge chamber design for non-ducted units
B.2.5 Duct requirements for ducted units [Go to Page]
B.2.5.1 Air outlet duct
B.2.5.2 Air inlet duct
B.3 Calculations-cooling capacities
B.4 Calculations-heating capacities
Annex C (informative)Recommendations for reducing the indoor air enthalpy method uncertainty [Go to Page]
C.1 General
C.2 Uncertainty of measurement [Go to Page]
C.2.1 General
C.2.2 Guidance on temperature measurement [Go to Page]
C.2.2.1 General
C.2.2.2 Measuring device
C.2.2.3 Dry and wet bulb sensors
C.2.2.4 Calibration and zero-point check
C.2.2.5 Twin sensors approach
C.3 Air leakage tests
C.4 Zero latent capacity confirmation
C.5 Thermal loses from ducts, chambers and plenums
Annex D (normative)Liquid enthalpy test method [Go to Page]
D.1 General
D.2 Calculations-heating capacities
D.3 Calculations-cooling capacities
Annex E (informative)Test installation and measurements for the liquid enthalpy method [Go to Page]
E.1 General
E.2 Connecting the unit
E.3 Liquid temperature measuring points
E.4 Pressure measuring points
E.5 Liquid flow rate measurement
Annex F (normative)Determination of the liquid pump efficiency [Go to Page]
F.1 General
F.2 Hydraulic power of the liquid pump [Go to Page]
F.2.1 The liquid pump is an integral part of the unit
F.2.2 The liquid pump is not an integral part of the unit
F.3 Efficiency of integrated pumps [Go to Page]
F.3.1 Glandless circulators
F.3.2 Dry motor pumps
F.4 Efficiency of non-integrated pumps
Annex G (informative)Rating of indoor and outdoor units of multisplit and modular heat recovery multisplit systems [Go to Page]
G.1 General
G.2 Terms and definitions
G.3 Rating of indoor units [Go to Page]
G.3.1 General
G.3.2 Air flow rate measurement
G.3.3 Measurement of the power input of indoor units
G.4 Rating of outdoor units [Go to Page]
G.4.1 General
G.4.2 Test procedure
Annex H (informative)Symbols used in annexes
Annex I (normative)Air flow rate measurement [Go to Page]
I.1 General
I.2 Test installation
I.3 Test conditions
I.4 Air flow measurement
Annex J (informative)Conformance criteria [Go to Page]
J.1 Water(brine)-to-water(brine) units
J.2 Calorimeter room method
J.3 Heat recovery of multisplit systems
Annex K (informative)Individual unit tests [Go to Page]
K.1 General [Go to Page]
K.1.1 Methods
K.1.2 Calorimeter method
K.1.3 Air-enthalpy method
K.2 Test results
K.3 Published results
Annex ZA (informative)Relationship between this European Standard and the ecodesign requirements of Commission Regulation (EU) No 206/2012 [OJEU L 72/7-27, 10.3.2012] aimed to be covered
Annex ZB (informative)Relationship between this European Standard and the energy labelling requirements of Commission Delegated Regulation (EU) No 626/2011 [OJEU L 178/1-72, 6.7.2011] aimed to be covered
Annex ZC (informative)Relationship between this European Standard and the ecodesign requirements of Commission Regulation (EU) No 2016/2281 [OJEU L346/1-50, 20.12.2016] aimed to be covered [Go to Page]

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BS EN 14511-3:2022 - TC Tracked Changes. Air conditioners, liquid chilling packages and heat pumps for space heating and cooling and process chillers, with electrically driven compressors - Test methods, 2024

⨯To continue with accurate pricing,
please select your company type below: