Contents
1 Scope
2 Normative references
3 Terms and definitions
4 Types and basic parameters
4.1 Types
4.2 Models
4.3 Basic parameters
5 Technical requirements
5.1 General
5.2 Appearance
5.3 Test run
5.4 Sealing performance of refrigeration system
5.5 Dehumidification performance under nominal working condition
5.6 Dehumidification performance under high temperature condition
5.7 Maximum loaded operation
5.8 Dehumidification operation at low temperature
5.9 Removal of condensation and condensate
5.10 Insulation performance under water overflow condition
5.11 Limitation of heat exchange
5.12 Power failure protection
5.13 Security requirements
5.14 Electromagnetic compatibility
5.15 Noise
5.16 Standby power
5.17 Mechanical properties of caster wheel
5.18 Weatherability
5.19 Clean air delivery rate
6 Test methods
6.1 Test conditions
6.2 Installation requirements
6.3 Data processing
6.4 Test run test
6.5 Test for sealing performance of refrigeration system
6.6 Test for dehumidification performance under nominal working condition
6.7 Test for dehumidification performance under high temperature condition
6.8 Test for maximum loaded operation
6.9 Test for dehumidification operation at low temperature
6.10 Test for removal of condensation and condensate
6.11 Dielectric test under water overflow condition
6.12 Test for limitation of heat exchange
6.13 Test for power failure protection
6.14 Safety test
6.15 Electromagnetic compatibility test
6.16 Noise test
6.17 Standby power test
6.18 Test for mechanical properties of caster wheel
6.19 Weatherability test
6.20 Test for clean air delivery rate
6.21 Test for eliminating rate
7 Inspection rules
7.1 End-of-manufacturing inspection
7.2 Sampling inspection
7.3 Type inspection
8 Marking, packaging, transportation and storage
8.1 Marking
8.2 Packaging
8.3 Transportation and storage
Annex A (Normative) Test method for dehumidification performance
A.1 General
A.2 Test procedure
A.3 Calculation of test results
Annex B (Normative) Test method for dehumidifiers noise
B.1 Test site
B.2 Measuring instrument
B.3 Installation and operating conditions
B.4 Designated noise measuring points
B.5 Measurement method
Annex C (Normative) Methods for correcting the dehumidification consumption power of a dehumidifier with static pressure
C.1 General
C.2 The fan input power of a dehumidifier with a connected air duct
Bibliography
Figure 1 Obstacles
Figure 2 Obstacle arrangement
Figure B.1 The measuring point positions of the dehumidifier installed on the ceiling with a static pressure less than or equal to 12 Pa
Figure B.2 The measuring point positions of the dehumidifier installed on the ceiling with a static pressure greater than 12 Pa (return air from the side)
Figure B.3 The measuring point positions of the dehumidifier installed on the ceiling with a static pressure greater than 12 Pa (return air from the bottom)
Figure B.4 The measuring point positions of the dehumidifier installed on the floor with a static pressure of 0 Pa
Figure B.5 The measuring point positions of the dehumidifier installed on the floor with a static pressure greater than 0 Pa and with top air outlet
Figure B.6 The measuring point positions of the dehumidifier installed on the floor with a static pressure greater than 0 Pa and with side air outlet
Figure B.7 The measuring point positions of the dehumidifier with non-fixed installation
Figure B.8 The measuring point positions of the wall-mounted dehumidifier
Figure B.9 The measuring point positions of the embedded dehumidifier with four-way air outlet
Figure B.10 The measuring point positions of the dehumidifier with side air outlet
Figure B.11 The measuring point positions of the dehumidifier with top air outlet
Table 1 Normal working ambient temperature conditions
Table 2 Test conditions
Table 3 Limits of dehumidification capacity per consumption power
Table 4 Maximum voltage drop of protective earthing circuit
Table 5 Noise limits (sound pressure level)
Table 6 Types and accuracy of instruments
Table 7 Allowable deviations of test conditions
Table 8 Inspection items
Table 9 Contents of nameplate
Contents
1 Scope
2 Normative references
3 Terms and definitions
4 Types and basic parameters
4.1 Types
4.2 Models
4.3 Basic parameters
5 Technical requirements
5.1 General
5.2 Appearance
5.3 Test run
5.4 Sealing performance of refrigeration system
5.5 Dehumidification performance under nominal working condition
5.6 Dehumidification performance under high temperature condition
5.7 Maximum loaded operation
5.8 Dehumidification operation at low temperature
5.9 Removal of condensation and condensate
5.10 Insulation performance under water overflow condition
5.11 Limitation of heat exchange
5.12 Power failure protection
5.13 Security requirements
5.14 Electromagnetic compatibility
5.15 Noise
5.16 Standby power
5.17 Mechanical properties of caster wheel
5.18 Weatherability
5.19 Clean air delivery rate
6 Test methods
6.1 Test conditions
6.2 Installation requirements
6.3 Data processing
6.4 Test run test
6.5 Test for sealing performance of refrigeration system
6.6 Test for dehumidification performance under nominal working condition
6.7 Test for dehumidification performance under high temperature condition
6.8 Test for maximum loaded operation
6.9 Test for dehumidification operation at low temperature
6.10 Test for removal of condensation and condensate
6.11 Dielectric test under water overflow condition
6.12 Test for limitation of heat exchange
6.13 Test for power failure protection
6.14 Safety test
6.15 Electromagnetic compatibility test
6.16 Noise test
6.17 Standby power test
6.18 Test for mechanical properties of caster wheel
6.19 Weatherability test
6.20 Test for clean air delivery rate
6.21 Test for eliminating rate
7 Inspection rules
7.1 End-of-manufacturing inspection
7.2 Sampling inspection
7.3 Type inspection
8 Marking, packaging, transportation and storage
8.1 Marking
8.2 Packaging
8.3 Transportation and storage
Annex A (Normative) Test method for dehumidification performance
A.1 General
A.2 Test procedure
A.3 Calculation of test results
Annex B (Normative) Test method for dehumidifiers noise
B.1 Test site
B.2 Measuring instrument
B.3 Installation and operating conditions
B.4 Designated noise measuring points
B.5 Measurement method
Annex C (Normative) Methods for correcting the dehumidification consumption power of a dehumidifier with static pressure
C.1 General
C.2 The fan input power of a dehumidifier with a connected air duct
Bibliography
Figure 1 Obstacles
Figure 2 Obstacle arrangement
Figure B.1 The measuring point positions of the dehumidifier installed on the ceiling with a static pressure less than or equal to 12 Pa
Figure B.2 The measuring point positions of the dehumidifier installed on the ceiling with a static pressure greater than 12 Pa (return air from the side)
Figure B.3 The measuring point positions of the dehumidifier installed on the ceiling with a static pressure greater than 12 Pa (return air from the bottom)
Figure B.4 The measuring point positions of the dehumidifier installed on the floor with a static pressure of 0 Pa
Figure B.5 The measuring point positions of the dehumidifier installed on the floor with a static pressure greater than 0 Pa and with top air outlet
Figure B.6 The measuring point positions of the dehumidifier installed on the floor with a static pressure greater than 0 Pa and with side air outlet
Figure B.7 The measuring point positions of the dehumidifier with non-fixed installation
Figure B.8 The measuring point positions of the wall-mounted dehumidifier
Figure B.9 The measuring point positions of the embedded dehumidifier with four-way air outlet
Figure B.10 The measuring point positions of the dehumidifier with side air outlet
Figure B.11 The measuring point positions of the dehumidifier with top air outlet
Table 1 Normal working ambient temperature conditions
Table 2 Test conditions
Table 3 Limits of dehumidification capacity per consumption power
Table 4 Maximum voltage drop of protective earthing circuit
Table 5 Noise limits (sound pressure level)
Table 6 Types and accuracy of instruments
Table 7 Allowable deviations of test conditions
Table 8 Inspection items
Table 9 Contents of nameplate
