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Draft Regulation on the Energy Conservation and Energy

Efficiency for the Textile Industry

1. The energy users applicable to this Regulation shall mean any entity that has

completed the company registration or business registration according to the law

and conducts in the business sector of the spinning of yarn, weaving of textiles,

manufacture of non-woven fabrics, and finishing of textiles.

2. The terms in this regulation shall be defined as follows:

2.1 Chiller: Equipment that uses a refrigerant as the working fluid, employs

mechanical work as the driving power, and achieves the result of refrigeration

with the refrigerant undergoing a process including compression, cooling,

expansion and evaporation. A chiller comprises elements such as refrigerant

compressors and driving units thereof, evaporators, condensers, and flow control

devices.

2.2 Condenser: A heat exchanger that condenses a gaseous refrigerant into a fluid

refrigerant to release heat.

2.3 Evaporator: A heat exchanger that causes a fluid refrigerant to evaporate to

become a gaseous refrigerant so as to absorb heat.

2.4 Load Management of a Chiller system: Management of a group of multiple

chillers that operate in parallel. As far as the air-conditioning load meets its

requirement, the optimal number of operating Chillers through running sequence

control or the minimum number of operating Chillers shall be implemented

according to the daily variation of the air-conditioning load.

2.5 Thermal Fluid Heater: A heater that uses gas phase or liquid phase of organic

heating medium as working fluid.

2.6 Total Nominal Amount of Combustion: The sum of the low heating value of the

maximum fuel usage in all burners in the Thermal Fluid Heater, but does not

include the low heating value of the fuel used in the burner that used only for the

purpose of ignition.

2.7 Existing Equipment: A Chiller or Thermal Fluid Heater that meets one of the

following conditions:

2.7.1 Installed before the regulation is in force.

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2.7.2 Purchased before the regulation is in force but the equipment has not been

completely installed on the effective day. The energy users should provide the

supporting procurement contracts to prove it.

2.8 Newly-Installed Equipment: A Chiller or Thermal Fluid Heater other than the

Existing Equipment.

2.9 Diameter of Exhaust Duct: Inside diameter or inside equivalent diameter that

meets the following conditions:

2.9.1 It means the inside diameter if the exhaust duct is a round pipe.

2.9.2 It means the inside equivalent diameter if the exhaust duct is not a round pipe.

It is equal to four times of the cross-sectional area of the inside of the duct

divided by the circumference of the cross-sectional area of the inside of the

duct.

2.10 Exhaust Gas Temperature: Reading of the exhaust gas temperature measured in

the following monitoring point:

2.10.1 For the Thermal Fluid Heater without any heat recovery unit installed at the

exhaust gas outlet, the monitoring point located at the place that is within a

certain distance from the exhaust gas outlet of the Thermal Fluid Heater where

such distance should be within the length of five times of the duct diameter.

(see Figure 1).

2.10.2 For the Thermal Fluid Heater with heat recovery unit installed at the exhaust

gas outlet, the monitoring point located at the place that is within a certain

distance from the exhaust gas outlet of the last heat recovery unit where such

distance should be within the length of five times of the duct diameter. (see

Figure 2).

2.11 Exhaust Gas Concentration of Oxygen: Reading of the exhaust gas

concentration of oxygen measured in the monitoring points located at the

exhaust gas outlet of the Thermal Fluid Heater.

2.12 Normal Operating Period of Chiller: The time period that the Chiller is used

under normal operating condition.

2.13 Normal Operating Period of Thermal Fluid Heater: During the time period from

the discharge, the completion of the manufacture of qualified products by the

Thermal Fluid Heater, to the cease of the feed.

2.14 Continuous Monitoring: Measurements within a specific period of time during

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the Normal Operating Period. In the event that an abnormal condition occurs,

the period from the time the abnormal condition begins to the time the abnormal

condition is removed may not be counted into the Normal Operating Period

provided that the energy user can submit relevant records for proof of the

abnormal condition.

2.15 Monthly Average Value: The arithmetic average of the data monitored during the

Normal Operating Period of the Chiller or the Thermal Fluid Heater from 0:00 of

the first day of the month to 24:00 of the last day of the same month.

2.16 Annual Average: Arithmetic average of the Monthly Average readings of each

month in such year.

2.17 Co-Firing: Use of two or more kinds of liquid, gas or solid fuels at the same time

in the Thermal Fluid Heater.

2.18 Equipment Utilization Rate: Heat load rate of the Thermal Fluid Heater: The

calculating formula is as follows:

Equipment Utilization Rate = ∑ 𝑄𝑖𝐻𝑖

𝑛𝑖=1

𝑅× 100%

where

n: The number of types of fuels used;

Qi: The feeding rate of the i-th type of fuel. (unit: cubic meter/hour for gas

fuel, litre/hour for liquid fuel, and kilogram/hour for solid fuel);

Hi: The low heating value of the i-th type of fuel (unit: kilocalorie/cubic

meter for gas fuel, kilocalorie/litre for liquid fuel, and

kilocalorie/kilogram for solid fuel);

R: Total Nominal Amount of Combustion (unit: kilocalorie/hour).

2.19 Daily Average Equipment Utilization Rate: Arithmetic average of Equipment

Utilization Rate shall be calculated every hour from 0:00 to 24:00 of the same day

during the Normal Operating Period of the Thermal Fluid Heater.

3. Starting from January 1, 2016, when using the Group of multiple Chillers, the

energy user shall comply with the following:

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3.1 Continuous Monitoring shall be performed to obtain temperatures (in centigrade)

of the supply chilled water and return chilled water of Evaporators (see Figure 3),

and temperatures (in centigrade) of the supply cooling water and return cooling

water of Condensers (see Figure 4). Temperature measurements shall be taken at

least once per hour and recorded to one decimal place.

3.2 The Monthly Average Value of temperature differences between the supply chilled

water and return chilled water of Evaporators, and the Monthly Average Value of

temperature differences between the supply cooling water and return cooling

water of Condensers shall comply with the requirements specified in Table 1.

3.3 If more than three continuously operating Chillers are installed within a single

factory and the total capacity of said Chillers is more than 180 tons of

refrigeration, Load Management must be implemented.

3.4 Thermometers used for Continuous Monitoring shall be calibrated or compared

according to the following provisions:

3.4.1 The thermometers shall be calibrated at least once every 12 months. The

calibration may be performed by the energy user itself or any other institution

retained to do so.

3.4.2 Where the energy user retains other institutions to conduct the calibration, the

laboratory of the institution retained shall be certified by Taiwan Accreditation

Foundation. Where the calibration is conducted by the energy user, the

calibration report of the standard equipment must be submitted for comparison,

provided that the day of the calibration conducted by the energy user must be

during the effective time period of the calibration report of the standard

equipment, and provided further that the laboratory issuing the report must be

certified by the Taiwan Accreditation Foundation.

3.4.5 In case of malfunction of the thermometer set forth in Paragraph 3.4, the

examination and repair must be completed within two months from the next

day of the malfunction.

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4. Starting from January 1, 2016, when using the Thermal Fluid Heater, the energy

user shall comply with the following provisions:

4.1 The upper limit of the Annual Average of the Exhaust Gas Concentration of

Oxygen and the upper limit of the Annual Average of the Exhaust Gas

Temperature of the Thermal Fluid Heater shall comply with the values listed in

Table 2 and 3. Notwithstanding the foregoing, in the event there is Co-firing,

the Exhaust Gas Concentration of Oxygen and the Exhaust Gas Temperature

should comply with the limit of the Exhaust Gas Concentration of Oxygen and

the Exhaust Gas Temperature of the fuel that has the higher total heating value.

4.2 Continuously Monitor and record the Exhaust Gas Temperature at least once

every four hours. The record should include dates, time, and the Exhaust Gas

Temperature.

4.3 Monitor and record the Exhaust Gas Concentration of Oxygen of the Thermal

Fluid Heater at least once a week. The record should include dates, time, and

the Exhaust Gas Concentration of Oxygen.

4.4 The oxygen analyzer and thermometer should be calibrated according to the

following provisions:

4.4.1 The tolerance of the oxygen analyzer shall be less than 0.1 percent oxygen

by volume; the tolerance of the thermometer shall be less than 1% of the

reading value.

4.4.2 Calibration shall be accomplished by the energy user itself or by laboratory

which is entrusted by the energy user at least once every twelve months.

4.4.3 If the calibration is accomplished by an entrusted laboratory, the laboratory

should be certified by Taiwan Accreditation Foundation; when the calibration

is accomplished by the energy user, the following documents must be

submitted for inspection:

4.4.3.1 The calibration report of the standard equipment used for comparison; and

the energy user shall also accomplish the calibration of the standard

equipment used for comparison during the period of validity of the

calibration report of the standard equipment used for comparison.

Furthermore, the laboratory that issues the report has to be certified by

Taiwan Accreditation Foundation.

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4.4.3.2 The oxygen concentration report of the standard reference gas issued by a

laboratory that is certified by Taiwan Accreditation Foundation.

4.5 When there are any malfunctions on the oxygen analyzer or the thermometer, the

examination and repair have to be completed within two months since the next

day of malfunction took place.

5. The energy user shall keep the records of the related calibration, recording and

calculations as set forth in Paragraph 3 and Paragraph 4 for at least 5 years.

6. By the end of March every year, the energy user shall report the usage of group of

multiple Chiller and Thermal Fluid Heater in the previous year, (in the format as

specified in Table 4 to Table 8), and shall upload relevant data to the designated

website (http://eei.itri.org.tw/) for inspection.

7. Paragraph 3 is not applicable to the group of multiple Chillers which is used

solely for the independent air condition operating system in the office areas.

8. When the energy user uses Thermal Fluid Heater in one of the following

circumstances that results in the non-compliance with the provisions regarding

the Exhaust Gas Concentration of Oxygen and the Exhaust Gas Temperature, the

energy user then does not have to follow Paragraph 4 of this Regulation after it has

submitted the relevant supporting documents to the central competent authority

and obtained the approval from the central competent authority:

8.1 The specification of the product or the manufacturing process is special and there

are special needs on the Exhaust Gas Temperature or Exhaust Gas Concentration

of Oxygen.

8.2 The Thermal Fluid Heater is operated in a batch production process.

8.3 The Daily Average Equipment Utilization Rate of the Thermal Fluid Heater is

lower than 50%.

8.4 Testing operation of a Newly-Installed Equipment, or an Existing Equipment

under modification or maintenance.

8.5 There is a clear difficulty in installing any heat recovery unit due to the space or

legal limitations.

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Figure 1 The monitoring point of the Exhaust Gas Concentration of Oxygen and the

Exhaust Gas Temperature of the Thermal Fluid Heater (without any heat recovery unit

installed)

Figure 2 The monitoring point of the Exhaust Gas Concentration of Oxygen and the

Exhaust Gas Temperature of the Thermal Fluid Heater (with heat recovery unit

installed)

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Figure 3 Measuring points for monitoring the temperature differences between

supply chilled water and return chilled water of Evaporators

Figure 4 Measuring points for monitoring the temperature differences between

supply cooling water and return cooling water of Condensers

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Table 1 Mandatory requirements for temperature differences between the supply

chilled water and return chilled water of Evaporators, and temperature differences

between the supply cooling water and return cooling water of Condensers

Item Temperature

Difference Mandatory Requirement

Temperature difference

between the supply

chilled water and return

chilled water of

Evaporators

T2 - T1 More than 3°C

Temperature difference

between the supply

cooling water and return

cooling water of

Condensers

T4 - T3 More than 3°C; however, if there are

special operating requirements for

Condensers that require the Condensers

to maintain an operating temperature

difference of less than 3°C, the

mandatory requirement for the

temperature difference between the

Condensers’ supply cooling water and

return cooling water shall be 0.6 times of

the design temperature difference,

provided that the energy user must

submit supporting design documents for

proof.

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Table 2 The upper limit of the Annual Average Value of the Exhaust Gas

Concentration of Oxygen and the Exhaust Gas Temperature of the Thermal Fluid

Heater (Existing Equipment)

Type of fuel

Controlled

items

Gas Fuel Liquid

Fuel

Solid Fuel

Total Nominal

Amount of

Combustion:

more than 9

million Kcal/hr

Total Nominal

Amount of

Combustion:

Less than 9

million Kcal/hr

Exhaust Gas

Concentration

of Oxygen (%)

5.2 5.7 7.2 14

Exhaust Gas

Temperature

(°C)

220 250 250 250

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Table 3 The upper limit of the Annual Average Value of the Exhaust Gas

Concentration of Oxygen and the Exhaust Gas Temperature of the Thermal Fluid

Heater (Newly-Installed Equipment)

Type of fuel

Controlled items

Gas Fuel Liquid Fuel

Solid Fuel

Total Nominal

Amount of

Combustion:

less than 9

million Kcal/hr,

and installed

before June 30,

2017

The equipment

which is not

applicable to the

condition listed

in the left

column

Exhaust Gas

Concentration of

Oxygen (%)

4.7 5.1 11 6.5

Exhaust Gas

Temperature (°C) 200 230 210 230

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Table 4 The application form for temperature differences between the supply

chilled water and return chilled water of Evaporators in a Chiller system

Name of the energy user: ________________________

Reporting period: Year of_______ (Recording period starts on January 1 of the year

and ends on December 31 of the same year)

Chilled

water

cycle

Design value Measured value (Monthly Average

Value)

Explain the reason if any

abnormal condition has

occurred

Temperature

difference

between the

supply chilled

water and return

chilled water of

Evaporators (℃)

Month

Temperature difference

between the supply

chilled water and return

chilled water of

Evaporators (℃)

January

February

March

April

May

June

July

August

September

October

November

December

Note: If there is more than one chilled water circulation system, please continue to fill

out the form by adding extra rows.

Prepared by: ___________ Title: ___________ Tel: _________

Supervisor: ___________ Title: ___________ Tel: _________

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Table 5 The application form for temperature differences between the supply

cooling water and return cooling water of Condensers in a Chiller system

Name of the energy user: _________________

Reporting period: Year of___________ (Recording period starts on January 1 of the

year and ends on December 31 of the same year)

Cooling

water

cycle

Design value Measured value (Monthly Average

Value)

Explain the reason if any

abnormal condition has

occurred

Temperature

difference between

the supply cooling

water and return

cooling water of

Condensers (℃)

Month

Temperature difference

between the supply cooling

water and return cooling

water of Condensers (℃)

January

February

March

April

May

June

July

August

September

October

November

December

Note: If there is more than one cooling water circulation system, please continue to

fill out the form by adding extra rows.

Prepared by: ___________ Title: ___________ Tel: _________

Supervisor: ___________ Title: ___________ Tel: _________

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Table 6 The application form for Load Management of a Chiller system

Name of the energy user:_______________________

Reporting period: Year of____________ (Recording period starts on January 1 of the

year and ends on December 31 of the same year)

Chiller

group

number

Amount of

Chillers in

the group

(unit)

Rated total

cooling

capacity

(RT)

Was load

management

implemented?

Method of load

management Note

Yes,

□ Automatic

control

□ Manual meter

reading

No,

Reason:

Central monitoring

software

Programmable logic

controller (PLC)

Others

Note: If there is more than one Chiller group, please continue to fill out the form by

adding extra rows.

Prepared by: ___________ Title: ___________ Tel: _________

Supervisor: ___________ Title: ___________ Tel: _________

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Table 7 The application form of the usage of Thermal Fluid Heater by energy user

Name of the energy user: _______________________

Application Year: Year of____________ (the recording time starts from January 1 to December 31 of the application year)

Equipment

number

Total

Nominal

Amount of

Combustion

(kcal/hr)

Fuel used Annual fuel

consumption

Annual Average of

Exhaust Gas

Temperature (°C)

Annual Average of

Exhaust Gas

Concentration of Oxygen

(%)

Explain the reasons and the responses, if

there is any abnormal situation. Type Fuel

Lower calorific

value

Gas kcal/m3 m

3

Liquid kcal/L kL

Solid

(Coal) kcal/kg kg

Gas kcal/m3 m

3

Liquid kcal/L kL

Solid

(Coal) kcal/kg kg

Prepared by: ______________ Title: ______________ Tel: __________

Supervisor: ______________ Title: ______________ Tel: __________

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Table 8 The application form of the Exhaust Gas Temperature and the Exhaust

Gas Concentration of Oxygen of the Thermal Fluid Heater by energy user

Name of the energy user: _______________________

Type of fuel:□ gas fuel □ liquid fuel □ solid fuel(coal)

Equipment No.:

Total Nominal Amount of Combustion: ____________million kcal /hr

Application Year: _____ (the recording time starts from January 1 of the year to

December 31)

Month Exhaust Gas

Temperature(℃)

Exhaust Gas Concentration

of Oxygen (%)

If there is any abnormal situation,

please explain the reasons and the

responses

January

February

March

April

May

June

July

August

September

October

November

December

Prepared by: ______________ Title: ______________ Tel: __________

Supervisor: ______________ Title: ______________ Tel: _____________