Some standard content:
TCS27.200
National Standard of the People's Republic of China
GR/T19569—2004
Air conditioning unit for clean operating room
Issued on June 9, 2004
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, China National Standardization Administration
Implementation on December 1, 2004
GR/T19569—2004
Regulatory documents
.........
Type and basic parameters
Technical requirements
Testing methods
Inspection regulations
User safety, packaging, transportation and storage
Appendix A (informative appendix) Preparation method of air conditioning model for clean operating rooms 13
This standard is the first paragraph,
Appendix A of this standard is the informative appendix,
This standard is issued by China Machinery Industry Federation. This standard is under the jurisdiction of the National Technical Committee for Standardization of Refrigeration Equipment, and the responsible person for the drafting of this standard is Shunde Zhongzheng Air Conditioning Equipment Co., Ltd. and the General Air Conditioning Research Institute. The main drafters of this standard are Jian Bin, Yi Xinwen, Shi Zai, and Wan Fujun, and the main interpreter of this standard is the National Technical Committee for Standardization of Refrigeration Equipment. CB/T19569—2001
1 Scope
Air conditioning units for clean operating rooms
GB/T 19569—2004
This standard specifies the definition, type and basic parameters, technical requirements, test methods, inspection procedures, labeling, packaging, transportation and storage of clean operating room air conditioning units (hereinafter referred to as "air conditioning units") with direct-acting or water-cooled or a combination of the two. This standard is used for clean operating room air conditioning units with direct-acting or water-cooled or water-cooled or water-cooled air conditioning units. 2 Normative references || TT || The following clauses are used as references to standard documents. For any dated referenced document, its subsequent revision (excluding errata) or edition shall not be applicable to this standard. However, the parties who have reached or agreed upon this standard are encouraged to study and use the latest version of these documents. For any undated referenced document, its latest version shall apply to this standard. CI3/T131-2000 Packaging, storage and transportation network indication mark (cqIS) 7801997) GH/T26241953 Orifice plates, nozzles and industrial pipes for washing or measuring the flow of fluid in the pipe (eCVIS0 5167-1,1591)
GB/T90881S88 Engineering method for the determination of noise and power of ventilation and air conditioning equipment GB/T6488-1586 Packaging and delivery mark GH1897:1989 Safety requirements for air handling units GB/T13306-1991 Standard
GB/T142941993
Combined air conditioning units
GB/T1420-Air selector
G/T178-9 Unitary air conditioner
JB/T72491994 Terminology of refrigeration equipment
JB865-1997 Safety requirements for unitary air conditioners JG/T 20—1993
Air distributor performance test method
JG/2—19? Air cooler and air heater performance test method JG/T22999
General ventilation air conditioner performance test method 3 Definitions
The following definitions established in JB/T7249 apply to this standard. 3.1
Air conditioning unit for clean operating room Wiring unit Furniture cleaning room A special equipment for directly providing air treatment for clean operating room and other similar areas for its service It mainly includes air circulation and purification equipment, including not only refrigeration system, heating, heating, purification and ventilation equipment, but also special measures to control microbial generation. 3.2
Coefficient of performance of evaporative air conditioning unit cnefficientafperfmrianneafdirertexpankinnaircnndlitilanersThe ratio of the cooling disk (or heating disk) to the consumption cost, expressed in W/W. 3.3
Auxiliary electric heater of heat pump
An electric heater used together with heat pump for heating (including the evaporator installed later). 1
GB/T 19569—2004
Required air leakage
The ratio of the corrected average air leakage of the machine to the rated air flow, expressed in . 3.5
The wind speed is uniformly distributed across the section
air velocity is equal to the average wind speed. The difference between the wind speed at any point on the section and the average wind speed is not more than 2% of the average wind speed. The percentage of points that account for the total number of points,
The filtration efficiency of the unit is the highest efficiency of the filter installed in the unit. 3. 7
Anti-microfilter
nt-microfilter
In addition to its corresponding air filter reduction efficiency, it can at least effectively store heat-carrying bacteria attached to the energy material, but can also emit chemical pollutants.
primary pollution
the air treated by the air conditioning unit contains pollutants that are not generated by the unit, 3.9
sccundary pollution
secondary pollution
the accumulation of water and water (or the degree of accumulation) in the air conditioning unit, which can induce the growth of bacteria, 3. 10
the efficiency of the highest efficiency filter of the air conditioning unit against microorganisms 4 types and basic knowledge
4.1 types
4.1.1 air conditioning units are divided into: 1) direct discharge type, whose code is not indicated;
h) cold water type, whose code is S;
combined type, which is a combination of direct discharge and cold water type, whose code is B. 4.1,2 air conditioning units According to the source of the air being treated, it is divided into: fresh air type, its code is X
circulating air type, its code is H;
quasi-combined air type, its code is not indicated
air conditioning units are divided into
medical cleaning type, its code is Y:
other sanitary treatment type, its code is.
air conditioning units are divided into:
horizontal type, its code is not indicated!
vertical type, its code is:
parallel type, its code is 1
4. 1, 5 Other types.
4.1.6 The model of air-conditioning unit is specified in Appendix A2
4.2 Basic parameters
4.2.1 Basic parameters of direct evaporation type air-conditioning unit According to the provisions of Table 1, the basic parameters of direct evaporation type air-conditioning unit
Nominal cooling <heat> setting/W
≥12 D65~2h 00D
~ Don
Strong points
4.2.2 Basic parameters of direct combined cooling and heating type air-conditioning unit shall be specified in Table 2. Grp/cwiw>
Table 2 Basic parameters of air-cooled heat pump direct evaporation type air-conditioning unit
Nominal net (heat) capacity/W
14 0CO. -25 DC5
25 000 70503
>70 000
4.2.3 Provisions for minimum external static pressure of air-conditioning units with low performance
Minimum external static pressure of air-conditioning units with low performance
Nominal cooling capacity/W
25 000
>25 009
COP/(w/w)
Minimum external power consumption:
GB/T195692004
High pressure
High pressure
High output
The nominal cooling (heating) capacity of the direct evaporative air-conditioning unit shall be determined according to the actual working parameters in Table 5. 4.2.4
4.2.5 The nominal cooling (heating) capacity of the chilled water air-conditioning unit shall be determined according to the nominal working condition parameters in Table 6. 5 Technical requirements
Specific requirements
5, 1.1 The air conditioning unit shall meet the requirements of this standard and be manufactured according to the drawings and technical documents approved by the prescribed procedures. 5.1.2 The overall inner wall of the air conditioning unit shall not be easy to swim or. It is advisable to use materials that are not easy to breed bacteria. 5.13 The setting of each function of the air conditioning unit shall not only ensure the air conditioner meets the requirements, but also ensure that the air delivered meets the hygiene requirements. 5.1.4 When the unit is running under the test temperature, it shall be discharged within 3 minutes. The water in the water pan must be frequently discharged, and the water pan shall not be drained after the water is exhausted. After the machine is shut down, the air shall not be reversed. 5.1.5 The air filter material of the air conditioning unit shall have good filtering performance (special requirements may be specified for the killing of certain bacteria), and shall be toxic, odorless, non-toxic, and antibacterial, and shall have sufficient strength. 5.1.6 The air filter at the air inlet of the air conditioner shall be tested for particles with a diameter of 5m and its efficiency shall not be less than 75%. The air filter at the air outlet shall be tested for particles with a diameter of 1m and its efficiency shall not be less than %. For special requirements, it can be replaced by a filter with an efficiency not lower than the corresponding one. CB/T19569—2004
5.1.7 The coarse-effect air filter of the air conditioner shall be placed at the fresh air inlet, and the medium-effect air filter shall be set at the outlet section. The fresh air air conditioner shall also be equipped with a sub-high-efficiency air filter at the outlet section. All air filters at all levels shall be of the same type. Wooden products are not allowed. The air filter shall be installed and placed reasonably, and shall be installed and removed during maintenance. 5.1.8 The centrifugal fan of the air conditioner shall have a flexible pipe connection, and a solid pipe connection is required. The fan shall be equipped with a partition device. 5.1.9 The relative humidity of the air used by the air conditioner shall not be higher than 75%. The relative humidity of the air entering the medium-efficiency air filter shall not be higher than 75%. 5.1.10 The self-contained air conditioner shall be able to work under the following conditions: 5.1.10.1 The ambient temperature of the heat pump type air conditioner shall be -7℃~3℃; 5.1.10.2 The water inlet temperature of the condenser shall not exceed 34℃ during the refrigeration operation of the water-cooling type air conditioner; 5.1.11 The applicable scope of the air conditioner is as follows; when the temperature of the air conditioner is set at 21℃~27℃, the relative humidity of the control precision is 1℃, and the control precision is ±10%.
5.1.12 The air conditioning unit should adopt the best control method. The air conditioning unit used in the operation plan should ensure that the indoor temperature is within 3%~60%. The temperature is within 22~25.5.1.13 The air conditioning unit should have the function of restarting after power failure.5.2 Air conditioning parts and components
In addition to meeting the relevant regulations, all parts and components must also meet the following requirements.5.2.1 All parts and components of the air conditioning unit should be rust-resistant, resistant to corrosion by disinfectants, and not prone to dust and bacteria. 5.2.2 The heat exchanger in the air conditioner should be flat or made of long parts that are not easy to be dust-proof. 5.2.3 The average temperature of the air passing through the coil should not be greater than 2%, and the average temperature should not be less than 5.2.4 The air conditioner needs to be equipped with a humidifier. The humidifying medium used should meet the requirements of 1. The humidifier itself should not breed bacteria. Avoid water overflow during heating.
5.2.5 Electric heaters shall be dust-free, rust-free, non-degradable heaters or other inefficient and performance-reducing types. 5.3 Performance requirements 5.3.1 General requirements for direct exchange evaporative units and chillers 5.3.1.1 Rated air volume and pressure When tested according to 6.4.1.1, the measured air volume shall not be less than 95% of the rated value, and the measured value of the external static pressure shall not be less than 90% of the rated value 5.3.1.2 Air adjustment rate When tested according to 6.4.1.2 method, the air leakage shall not be greater than 1% 5.3.1.3 Overheating efficiency and resistance When tested according to 5.4.2.3 method, the filtration efficiency and resistance shall meet the requirements (according to the relevant provisions of B/T14265) 5.3.1.4 Sectional wind backflow average curvature When tested according to 6.4.1.4 method, the value shall not be less than 8C. 5.3.1.5 Vibration recording of standard units According to 6 .4.1.5 For the test, when the fan speed is 800r/min, the vibration speed of the fan is not more than 3mm/3. When the fan speed is >80r/min, the vibration degree of the fan is not more than 4mm/9.5.3.1.B Filter efficiency
The filtration efficiency of the medium-efficiency sensor is calculated based on the dust collection efficiency (the minimum particle size of the bacteria that can be biodegradable is not less than 5.3.2 Special requirements for direct-exchange units
5.3.2.T Sealing performance of refrigeration system
When tested according to the method of 6.4.2.1, there should be no refrigerant leakage in all parts of the system. 5.3.2.2 Shoulder and rotor
Connect the test of 6.4.2.2, and the measured electrical performance, rated pressure, auxiliary power and other differentials shall meet the design requirements. 5.3.2.3 Refrigeration capacity||tt ||GB/T19569—2004
When tested according to the method 6.4.2.3, the actual nominal cooling capacity of the air conditioner shall not be less than 0.5% of the nominal cooling capacity. 5.3.2.4 Refrigeration power consumption
When tested according to the method 6.4.2.4, the refrigeration power consumption of the air-conditioning unit under the measured nominal working conditions shall not be greater than 11% of the nominal refrigeration power consumption. 3% of the nominal cooling capacity of the water-cooled air-conditioning unit shall be used as the power consumption of the cooling water system and the cooling tower fan. 5.3.2.5 Heat recording
When testing the heat volume of the heat pump, the actual nominal heating capacity of the heat pump shall not be less than 95% of the nominal heating capacity of the heat pump. The nominal heating capacity of the heat pump of the heat pump type air-conditioning unit shall not be lower than its nominal cooling capacity. 5.3.2.6 Heat pump Heating power consumption
When tested according to the method of 6.4.2.6, the measured nominal working condition heating power consumption of the heating unit shall not exceed its nominal heating power consumption.
5.32.7 Heating light heating power consumption
When tested according to the method of 6.1.2.7, the measured heating power consumption requirement for the electric heater of the control unit is: the allowable difference of the power consumption of each electric heater is 10% of the rated value + 5.
5.3.2.8 Large load cooling operation
8) When tested according to the method of 6.4.2.8, all parts of the air-conditioning unit shall be removed and the air-conditioning unit can run normally; 1) During the large load operation period of the air-conditioning unit, the overload protector shall not be opened; 2) After the air-conditioning unit is turned on for 3 minutes, it shall be able to run continuously for 1 hour after fanning. 5.3.2.9 Maximum load heating operation of heat pump
a) When testing according to the method in 6.4.2.9, the air-conditioning unit components are not damaged and the air-conditioning unit should be able to operate normally; b) During the maximum load heating period of the air-conditioning unit, the overload protector should not trip; c) The air-conditioning unit should be able to run continuously for 1 hour after starting. 5.3.2.10 Low-pass working condition operation
When testing according to 6.4.2.10, after 10 minutes of starting the air-conditioning unit, the safety device should not be opened during the 4-hour remote operation, and the area of ice capsules on the inner surface of the evaporator should not exceed 50% of the evaporator surface. 5.3.2.11 Dew
When testing according to the method in 6.4.2.11, there should be no condensation on the outer surface of the air-conditioning unit. 5.3.2.12 Reduced water discharge amplitude
Set the square teeth of 6.4.2.12. During the test, avoid the water discharge flow amplitude, no reference. 5.3.2.13 Automatic acid frost
When tested according to 6.4.2.13, the total duration of the melting demand period should not exceed 20% of the total test time. During the melting demand period, the indoor air supply temperature should not exceed 18°C for more than 30 minutes. In addition, at the end of the melting cycle, the outdoor air temperature rise should not be greater than 5°C; if necessary, the auxiliary heating in the thermal unit can be used or according to the manufacturer's regulations. 5.3.2.14 Sound insulation
Measure the sound insulation according to 6.4.2.11. The sound insulation function should not exceed the assumptions in Table 1. Table 4 Noise limit (sound pressure limit)
Air volume/(m/h)
Noise of air handling unit
Cooling capacity/AW
High pressure
Low pressure
220G)~
2-29-45
2-15~5
1150~290
75~15u
GB/I19569-—2004
5.3.2.15 Partial load regulation performance
For air conditioners with energy regulation, the regulating device shall be sensitive and practicable. 5.3.16 When the air conditioner with water-cooled condenser is running at the maximum load, the water pressure drop through the unit shall not be greater than lu5kPe. bZxz.net
5.3.2, 17 Performance coefficient
The ratio of the actual heating capacity of the heat system calculated according to 5.2.5 to the actual power consumption calculated according to 6.4.2 should not be less than 4.2 91% of the rated value
5.3.3 Special requirements for cold permanent units
5. 3. 3. 1 Coil arm withstand pressure performance
Calibration 5.4.3,1 When the test is carried out, the coil should have no leakage: 5.3.3.2 Startup and operation
) According to 6.1,3,2 method, the measured current, voltage, power interruption and other parameters should meet the design requirements. h) There is no noise during operation. There is no abnormal heating of seasonal components: c) The variable air volume unit can be started normally under the maximum air volume and the minimum air volume. 5.3.3.3 Input power
When the test is carried out according to 6.4.3,% method, the input power of the air unit should not exceed: 1% of the power of each unit. 5.3.3.4 Coil cooling capacity and heating capacity
When tested in accordance with the method in 6.4.3.4, the actual cooling capacity of the air-conditioning unit shall not be less than 95% of the nominal refrigerant capacity. The actual nominal heating capacity should not be less than 95% of the nominal heating capacity. 5.3.3.5 Electric heater heating power consumption
According to the test method of 6.4.3.5, the actual measured power consumption requirement of the electric heater of the test unit is: the power consumption of the heater per hour is 10%~5% of the rated power.
5.3.3.6 Condensation
According to the test method of 4.3.6, there should be no dripping of water on the outer surface of the air-conditioning unit. 5.3.3.7 Condensate drainage capacity
According to the test method of E.4.3.7, there should be no continuous discharge of condensate during the test. 5.3, 3.8 Mouth sound
According to the test method of 4.8. The noise measurement value should meet the requirements of Table 4. 5.4 Safety requirements
The safety requirements of direct heat-generating air-conditioning units should comply with the provisions of JI955. The safety requirements of cold water air conditioners shall comply with the provisions of GB/T10891.
5.5 Disinfection requirements
After the unit is assembled, it shall be subjected to noise elimination treatment. Specific methods include: using ultraviolet light to evenly irradiate the inside of the unit, ensuring that the inner wall and all internal components are continuously irradiated for at least ten minutes. 26 Test method
6.1 General requirements
6.1.1 The test unit shall be tested as a complete unit according to the functional requirements: G.1.2 or the complete unit shall be assembled and installed according to the requirements of the product manual. Unless otherwise specified in the test method, no special treatment measures shall be taken. 6.2 Test conditions 6.2.1 For the test equipment of cooling and heating capacity of self-heating units, see Appendix A of GB/T 177S8939. 6.2.2 Test conditions of direct-acting evaporative units Test conditions of surface-cooled water chillers See Table 5 Test conditions Nominal cooling Maximum cooling Test volume Heat test Avoid large load Electric heater Heating Wind static Air condition for direct-acting evaporative units Test conditions for direct-acting evaporative units Air state Depth of s2±1.cm2 27±1.cm2 21 ±1, center
Appropriate for the effect of wet bulb temperature on the indoor heating device, a
15±0,5
15 or less
wind cooling
dry bulb constant
GB/T19569—2004
product external condition
balanced bulb temperature
adapt to the effect of outdoor fast evaporation! The latent heat of water is used as the outdoor heater, and the water pan determined by the nominal cooling test equipment is adopted. Agricultural standard environmental temperature,
The torque of the external energy should be stable within the specified time within the specified decompression of 0 or less, the value of the fresh air supply point of the fresh air analysis unit is not higher than T48/kg, 6 chiller test conditions
Inlet gas
Test monitoring conditions
Air volume, individual demonstration rate
Fresh air fan supply span
Heating temperature
Fresh air machine model
Heating cover
Drug-free elimination
Wind surge picture
Dry bulb temperature
Water supply makeup production
avoid
select
water temperature
60/20*
60/90*
water strength difference
type water
and its steam
wrapped pressure
steel fixed repair
imported humidity: 60 is the cold two-month heat test condition. 55 is the heating plate test condition. The water supply volume is calculated by the water velocity in the pipe-1m/min. The fresh air unit's air point viscosity is not higher than T48kl/kg. Maximum wind speed
Rated deviation
Mountain and water level
35±0,3
21±0,5
7 Residual pressure
To the rated air volume
The rated time
GB/T19569—2004
6.2.3 The type and arrangement of this instrument
The test instruments and meters for direct steam-transformer units shall comply with the provisions of Table 7, and the test instruments and meters for chillers or receivers shall comply with the provisions of Table 8. The test instruments for direct combined units shall comply with the provisions of Table 8. Table
Temperature measurement table
Screen measurement instrument
Refrigerator pressure measurement only
Air pressure gauge
Electrical measurement
Measurement of continental volume
Water level slope measurement temperature1
Thermocode
Recording type, indicating type, integrating type
Pressure gauge, transmitter
Gas gauge, gas transmitter
Inductive type
Integral type
Transfer table, flash collection
Transfer table
1 atmospheric pressure The force should be measured with an air pressure gauge with an accuracy of 3D.1%. Note 2: The time measurement of the gauge is ±2 hours. According to the defined source quantity, only the measured value is required to be above 1/3 of the receiving gauge quality method. The receiving gauge for the chiller test should be a full water temperature resistance gauge, pressure rise gauge, thermocouple gauge, micrometer (type, compensation type or self- or sensor type), a steam pressure gauge, a water pressure gauge, atmospheric pressure gauge, flow rate gauge, gravity gauge or volumetric gauge with equal precision. Type reduction fixed meter standard grinding
Friendly sea pipe
Wind avoidance only
Out of the area Li
Current left
Total rate of this city industry E electric application meter
Reverse meter
Sound turn meter
Connected to the offer type measurement and receiving
Dynamic pressure chart quantity when the quantity is small industry for 25F3.
Elimination efficiency source quantity value percentage efficiency.
Air industry research
: Water leakage ±c.It
Mass refrigerant group changes on 1.
Double incense static pressure
Measurement through item
12. 45 Pa
Cold and hot test performance test air path day dry ball short-circuit and heat exchange equipment north outlet temperature
Total temperature
Air pressure dynamic
Water resistance · New steam production
Supply steam
Quality section downstream pressure
Air pressure
:According to hot water flow, steam condensate, spray air water, etc.
Section wind average
Test run output data
Wind ceremony change
Meet the limit
Fan section dynamic connection
Condensate, etc.
Accuracy of the table
Diagram A1
GB/T2624
JG/:20 down record 6
GECT 906S
CB/T19569—2004
6.2.4 When the direct-acting evaporative unit is tested for cooling and heating system, the test parameters shall meet the requirements of the user. Table 9 Reading tolerances of nominal parameters for cooling and heating capacity test Monthly average fluctuation range Low air condition indoor Dry bulb at 380°C Outdoor air condition Medium bulb pressure Short bulb temperature 380°C 6.5 Direct-acting evaporative unit When the unit is conducting the heat pump low-speed short-term and run-up test, the numerical tolerances of the test conditions shall be in accordance with the provisions of Table 10. The readings of the parameters of the test conditions of the chiller and the test operation shall be in accordance with the provisions of Table 11. 6.2.6
11 Chiller test tolerance
Inlet and outlet air state
Long water version state
Supply base strength state
Wet dynamic source degree/
Specification requirement degree/:
Potential water inlet [[Panqing/
Water wash/%
Water supply pressure small table H/kPn
Flood steam P
Wind city:
Total air pressure/Pa
Zhongzheng production%
Zhong refers to the specified value
6.3 General requirements for tests
Test tolerance
6.3.1 All tests of air-conditioning units shall be carried out according to the rated voltage and rated power on the nameplate. Temperature and humidity
Heat and humidity
Frost and humidity
|Test operation specifications
6.3.2 Air-cooled air-conditioning units shall be tested under outdoor fan conditions specified by the manufacturer: During the test, all auxiliary components (including air inlet louvers and pipes and fittings installed by the manufacturer) shall be replaced and the air path shall remain unchanged: 6.3.3 The connection between the indoor cylinder and the outdoor unit of the air-cooled air-conditioning unit shall be tested according to the total length or the connection length of the unit less than or equal to 15k. The connection length of the unit greater than 25W is 5.0m: the connection length of the unit greater than 25W is 7.m (the longer one shall be used). Note that the length of the outdoor pipe shall not be less than 11m. The indoor part shall be installed according to the product manual. 6.4 Performance test method
6.4.1 General performance test method for direct evaporation and water transfer units: 6. 4.1.1 Rated air volume and full pressure test
The test is carried out according to the method of land mixing distance in GB/T14294-199.1. 6.4.1.2 Stagnant air flow test
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