QC/T 998-2023Cabin air filter for automobiles (English PDF)

3.1 rated

The value nominated by manufacturer, e.g., total display area TDA, volume,

cabinet temperature, energy consumption.

3.3 compartment

3.3.1 fresh-food storage compartment

Compartment for storage of food which does not require freezing; this

compartment can be also divided into some small compartments.

3.3.5 variable temperature compartment

Under the premise that appliance has fresh-food storage compartment and

frozen-food storage compartment, AN INDEPENDENT COMPARTMENT that

is out of the compartments defined in 3.3.1 ~ 3.3.4; temperature can be

independently controlled by switching between the temperature range of

present fresh-food storage compartment, cellar compartment and frozen-food

storage compartment; switching range shall be two or more temperature ranges.

3.4 cabinet temperature

M-package's temperature that is measured on each measurement point

according to provisions of 5.3.3.

Cabinet temperature can be divided into fresh-food storage compartment

temperature t (i, tau) and frozen-food storage compartment temperature t (j, tau).

3.4.1 average cabinet temperature

3.4.2.2 working temperature of frozen-food storage compartment tdm (tau)

According to 5.3.3 temperature measurement period, THE AVERAGE VALUE

of average temperature of frozen-food storage compartment tdm (tau) at different

time,

i.e.,

3.5 energy consumption

Power consumption of 24h operation of freezer under the specified test

conditions; i.e., power consumption measured under the provisions of 5.3.5.

3.6 control cycle

A refrigeration system controlled by temperature controller, under stable

operating conditions, the period between two adjacent power-on or power-off is

a control cycle.

3.7 stable operating conditions

See 5.3.2.5 of GB/T 21001.2-2007.

3.8 normal operating conditions

Each part of commercial refrigerator unit operates as normal, without

abnormality or failure; thermal expansion valve, temperature controller,

defroster, etc. are set to the default values; the conditions of other equipment

are close to the conditions of daily normal use.

4.1 Structure

Add the following content in 4.1.6.2.

The position of temperature display sensor can choose the measurement point

where can represent the average temperature inside the cabinet to arrange. Its

display deviation shall not exceed 2K and be indicated in the instructions for

use.

4.1.7 Appearance

4.1.7.1 All the outer wall and decorative surface shall have good impact

resistance and sufficient hardness.

4.1.7.2 The outer wall surface flatness tolerance shall not exceed 3 mm/m.

Vertical tolerance between the outer wall must not exceed 0.2%, excluding the

back.

4.1.8 Size

4.1.8.1 The deviation between freezer dimensions (length, width, height) and

the dimensions marked on the label must meet the following conditions.

the deviation between the actual measured value and the rated is within ±0.3%

rated ±3 mm.

4.1.9 Electroplating

After the metal electroplating of freezer are conducting salt spray test according

to 5.3.12, examine the corrosion of electroplating layer surface. The

electroplating layer does not allow to have rust.

4.1.10 Coating of inner and outer surface metal

After the inner and outer surface metal coating of freezer are conducting the

test according to 5.3.1.3 and 5.3.14, examine the coating surface conditions

which shall be qualified.

4.1.12 Requirements for refrigeration system

4.1.13 Safety

Electrical and mechanical safety requirements shall comply with relevant

provisions of GB 4706.1, GB 4706.102 and SB 10424.

4.2 Operating characteristics

4.2.2 Temperature classification shall be replaced by the following content.

4.2.12 Voltage fluctuation resistance performance

The cabinet shall be able to adapt to fluctuations in grid voltage. When it is

conducting the test according to 5.3.17, the cabinet shall operate as normal.

Each component of compressor must not have failure or thermal overload

protection. Cabinet temperature shall be remained as normal.

4.2.13 Starting performance

The cabinet shall have good starting performance. When it is conducting the

reducing-voltage 10% starting test according to 5.3.18, the cabinet shall be able

to start as normal and reduce the temperature. Any protective device installed

on the cabinet shall not act.

5.3.1.6 Alternative filling test package

Except M-package's horizontal axis and longitudinal axis directions of cross

section where M-package is at, the alternative filling test package can be

replaced by the alternative test package of which the size is listed in Table 4,

density is (480±80) kg/m3.But the alternative filling test package is not

applicable to the freezing capability test in 5.3.19.

5.3.7 Compressor switching on/off time percent test

Carry out this test with the temperature test in 5.3.3 at the same time. During

the test, it shall continuously record the switching on/off time of compressor.

Calculate compressor switching on/off time percent according to the definition

of 3.9.Its result shall comply with the requirements of 4.2.8.

5.3.8 Other test conditions and assessment of energy consumption

The temperature of variable temperature compartment shall be set around the

middle value of variable temperature range. Take the higher one as

characteristic temperature according to fresh-food storage compartment,

frozen-food storage compartment.

5.3.9 Defrosting performance test

It is carried out only for cabinet with automatic or half-automatic defrosting

system before the test of 5.3.3.3.

5.3.10 Mechanical strength test of shelve and similar components

Place the cabinet at 16°C ~ 32°C ambient temperature, un-electrified, door

opened.

5.3.12 Electroplating salt spray test

The electroplating of cabinet shall carry out the salt spray test according to GB/T

2423.17 The test cycle is 24h.

Before the test, the surface of electroplating shall be cleaned and degreased.

After the test, take the specimen out. Use clear water to rinse off the salt

remained on the surface. Check the corrosion of electroplating surface, metal

rusts on the plating. There shall be no more than 2 rusts on each 100 cm2.The

area of each rust must not exceed 1 mm2.When the surface area of specimen

is less than 100 mm2, there shall be no rusts. Its result shall comply with

requirements of 4.1.9.

5.3.14 Surface coating adhesion test

Before test, clean and degrease the specimen surface.

Determination of adhesion uses grid to examine. Use adhesion tester or blade

to horizontally, vertically cut scratches of which the spacing is 2 mm to bottom

metal on the smooth coating, 6 for horizontal and 6 for vertical. Then use a

paintbrush of which the width is 25 mm ~ 35 mm to paint, 2 separately for each

direction of 4 four horizontal and vertical directions. Check if the coating falls off

from the grid. Determine according to the total falling-off area of 25 grids.

Coating falling off of more than 30% area is not allowed.

5.3.19.2 Test process

5.3.19.2.1 Test environment

Test environment shall be same with 5.3.3.

5.3.19.2.2 Preparation before test

Cabinet placement is same with 5.3.3.

If the cellar compartment volume of cabinet can be adjusted by user, i.e., the

cellar compartment can be mutually switched with the fresh-food storage

compartment volume, it shall adjust the cellar compartment volume to the

maximum.

6.3.10 Mechanical strength of shelf and similar component Part. Load. kg

6.3.11 Refrigeration system sealing performance Part. Leakage.

6.3.15 Vibration Part and direction. Acceleration speed. mm/s

6.3.16 Noise Maximum sound pressure. dB(A) Average sound pressure. dB(A)

6.3.17 Voltage fluctuation resistance performance

-10% rated voltage.

7.1 Loading limit

The provisions of GB/T 21001.2-2007 apply.

7.2 Marks

Each cabinet shall be provided with permanent name-plate at appropriate and

obvious position. Its size shall comply with the provisions of GB/T 13306.On

the name-plate, the following information shall be clearly indicated.

7.3 The information provided by manufacturer

The instructions for use of cabinet shall also contain the following information.

7.4.5 The following information shall be clearly indicated on the outer surface

of packaging.

7.5 Transport and storage

7.5.1 Transport requirements shall comply with the contract provisions.

7.5.2 During the transport and storage process, there shall be no dropping,

collision, excessive tilting, rain or snow shower.

8.1 The cabinets which are supplied in piece shall be put into the packaging

box according to the number of spare parts specified in technical documents.

8.2 Under the user's compliance with conditions of storage, installation and

use, within 12 months since the date of sale from the manufacturer, if the

product works abnormally or is damaged due to poor quality, the manufacturer

shall offer free repair or replacement. If there are special requirements, the

product warranty shall be agreed in the contract.

SB/T 10794.2-2012

SB

DOMESTIC TRADE INDUSTRIAL STANDARD

ICS 97.130.20

J 73

Record No. 37653-2012

Replacing SB 142~144-84

Commercial refrigerated cabinets - Part 2.

Classification, requirements and test condition

Issued on. SEPTEMBER 19, 2012

Implemented on. DECEMBER 1, 2012

Issued by. China Ministry of Commerce

Table of Contents

Foreword... 3

Introduction... 4

3.1 rated

The value nominated by manufacturer, e.g., total display area TDA, volume,

cabinet temperature, energy consumption.

3.3 compartment

3.3.1 fresh-food storage compartment

Compartment for storage of food which does not require freezing; this

compartment can be also divided into some small compartments.

3.3.5 variable temperature compartment

Under the premise that appliance has fresh-food storage compartment and

frozen-food storage compartment, AN INDEPENDENT COMPARTMENT that

is out of the compartments defined in 3.3.1 ~ 3.3.4; temperature can be

independently controlled by switching between the temperature range of

present fresh-food storage compartment, cellar compartment and frozen-food

storage compartment; switching range shall be two or more temperature ranges.

3.4 cabinet temperature

M-package's temperature that is measured on each measurement point

according to provisions of 5.3.3.

Cabinet temperature can be divided into fresh-food storage compartment

temperature t (i, tau) and frozen-food storage compartment temperature t (j, tau).

3.4.1 average cabinet temperature

3.4.2.2 working temperature of frozen-food storage compartment tdm (tau)

According to 5.3.3 temperature measurement period, THE AVERAGE VALUE

of average temperature of frozen-food storage compartment tdm (tau) at different

time,

i.e.,

3.5 energy consumption

Power consumption of 24h operation of freezer under the specified test

conditions; i.e., power consumption measured under the provisions of 5.3.5.

3.6 control cycle

A refrigeration system controlled by temperature controller, under stable

operating conditions, the period between two adjacent power-on or power-off is

a control cycle.

3.7 stable operating conditions

See 5.3.2.5 of GB/T 21001.2-2007.

3.8 normal operating conditions

Each part of commercial refrigerator unit operates as normal, without

abnormality or failure; thermal expansion valve, temperature controller,

defroster, etc. are set to the default values; the conditions of other equipment

are close to the conditions of daily normal use.

4.1 Structure

Add the following content in 4.1.6.2.

The position of temperature display sensor can choose the measurement point

where can represent the average temperature inside the cabinet to arrange. Its

display deviation shall not exceed 2K and be indicated in the instructions for

use.

4.1.7 Appearance

4.1.7.1 All the outer wall and decorative surface shall have good impact

resistance and sufficient hardness.

4.1.7.2 The outer wall surface flatness tolerance shall not exceed 3 mm/m.

Vertical tolerance between the outer wall must not exceed 0.2%, excluding the

back.

4.1.8 Size

4.1.8.1 The deviation between freezer dimensions (length, width, height) and

the dimensions marked on the label must meet the following conditions.

the deviation between the actual measured value and the rated is within ±0.3%

rated ±3 mm.

4.1.9 Electroplating

After the metal electroplating of freezer are conducting salt spray test according

to 5.3.12, examine the corrosion of electroplating layer surface. The

electroplating layer does not allow to have rust.

4.1.10 Coating of inner and outer surface metal

After the inner and outer surface metal coating of freezer are conducting the

test according to 5.3.1.3 and 5.3.14, examine the coating surface conditions

which shall be qualified.

4.1.12 Requirements for refrigeration system

4.1.13 Safety

Electrical and mechanical safety requirements shall comply with relevant

provisions of GB 4706.1, GB 4706.102 and SB 10424.

4.2 Operating characteristics

4.2.2 Temperature classification shall be replaced by the following content.

4.2.12 Voltage fluctuation resistance performance

The cabinet shall be able to adapt to fluctuations in grid voltage. When it is

conducting the test according to 5.3.17, the cabinet shall operate as normal.

Each component of compressor must not have failure or thermal overload

protection. Cabinet temperature shall be remained as normal.

4.2.13 Starting performance

The cabinet shall have good starting performance. When it is conducting the

reducing-voltage 10% starting test according to 5.3.18, the cabinet shall be able

to start as normal and reduce the temperature. Any protective device installed

on the cabinet shall not act.

5.3.1.6 Alternative filling test package

Except M-package's horizontal axis and longitudinal axis directions of cross

section where M-package is at, the alternative filling test package can be

replaced by the alternative test package of which the size is listed in Table 4,

density is (480±80) kg/m3.But the alternative filling test package is not

applicable to the freezing capability test in 5.3.19.

5.3.7 Compressor switching on/off time percent test

Carry out this test with the temperature test in 5.3.3 at the same time. During

the test, it shall continuously record the switching on/off time of compressor.

Calculate compressor switching on/off time percent according to the definition

of 3.9.Its result shall comply with the requirements of 4.2.8.

5.3.8 Other test conditions and assessment of energy consumption

The temperature of variable temperature compartment shall be set around the

middle value of variable temperature range. Take the higher one as

characteristic temperature according to fresh-food storage compartment,

frozen-food storage compartment.

5.3.9 Defrosting performance test

It is carried out only for cabinet with automatic or half-automatic defrosting

system before the test of 5.3.3.3.

5.3.10 Mechanical strength test of shelve and similar components

Place the cabinet at 16°C ~ 32°C ambient temperature, un-electrified, door

opened.

5.3.12 Electroplating salt spray test

The electroplating of cabinet shall carry out the salt spray test according to GB/T

2423.17 The test cycle is 24h.

Before the test, the surface of electroplating shall be cleaned and degreased.

After the test, take the specimen out. Use clear water to rinse off the salt

remained on the surface. Check the corrosion of electroplating surface, metal

rusts on the plating. There shall be no more than 2 rusts on each 100 cm2.The

area of each rust must not exceed 1 mm2.When the surface area of specimen

is less than 100 mm2, there shall be no rusts. Its result shall comply with

requirements of 4.1.9.

5.3.14 Surface coating adhesion test

Before test, clean and degrease the specimen surface.

Determination of adhesion uses grid to examine. Use adhesion tester or blade

to horizontally, vertically cut scratches of which the spacing is 2 mm to bottom

metal on the smooth coating, 6 for horizontal and 6 for vertical. Then use a

paintbrush of which the width is 25 mm ~ 35 mm to paint, 2 separately for each

direction of 4 four horizontal and vertical directions. Check if the coating falls off

from the grid. Determine according to the total falling-off area of 25 grids.

Coating falling off of more than 30% area is not allowed.

5.3.19.2 Test process

5.3.19.2.1 Test environment

Test environment shall be same with 5.3.3.

5.3.19.2.2 Preparation before test

Cabinet placement is same with 5.3.3.

If the cellar compartment volume of cabinet can be adjusted by user, i.e., the

cellar compartment can be mutually switched with the fresh-food storage

compartment volume, it shall adjust the cellar compartment volume to the

maximum.

6.3.10 Mechanical strength of shelf and similar component Part. Load. kg

6.3.11 Refrigeration system sealing performance Part. Leakage.

6.3.15 Vibration Part and direction. Acceleration speed. mm/s

6.3.16 Noise Maximum sound pressure. dB(A) Average sound pressure. dB(A)

6.3.17 Voltage fluctuation resistance performance

-10% rated voltage.

7.1 Loading limit

The provisions of GB/T 21001.2-2007 apply.

7.2 Marks

Each cabinet shall be provided with permanent name-plate at appropriate and

obvious position. Its size shall comply with the provisions of GB/T 13306.On

the name-plate, the following information shall be clearly indicated.

7.3 The information provided by manufacturer

The instructions for use of cabinet shall also contain the following information.

7.4.5 The following information shall be clearly indicated on the outer surface

of packaging.

7.5 Transport and storage

7.5.1 Transport requirements shall comply with the contract provisions.

7.5.2 During the transport and storage process, there shall be no dropping,

collision, excessive tilting, rain or snow shower.

8.1 The cabinets which are supplied in piece shall be put into the packaging

box according to the number of spare parts specified in technical documents.

8.2 Under the user's compliance with conditions of storage, installation and

use, within 12 months since the date of sale from the manufacturer, if the

product works abnormally or is damaged due to poor quality, the manufacturer

shall offer free repair or replacement. If there are special requirements, the

product warranty shall be agreed in ......