1 
 Draft Regulation on the Energy Conservation  and Energy 
Efficiency for the Textile  Industry  
 
1. The energy users applicable to this R egulation shall mean any entity that has 
completed the company registration or business registration according to the law 
and con ducts 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 r egulation 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.  2 
 2.7.2 Purch ased before the regulation is in force  but the equipment  has not been 
completely installed on the effective da y. The energy users should provide  the 
support ing 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 Therma l 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 point s 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 produc ts by the 
Thermal Fluid Heater, to the cease of the feed.  
2.14  Continuous Monitoring : Measurements within a specific period of time during 3 
 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 arithm etic 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: H eat load rate of the Thermal Fluid Heater :  The 
calculating formula is as follows:  
 
Equipment  Utilization  Rate = ∑ 𝑄𝑖𝐻𝑖𝑛
𝑖=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/litr e 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, 201 6, when using the Group of multiple Chillers , the 
energy user shall comply with the following:  4 
 3.1 Continuous Monitoring shall be performed to obtain temperatures (in centigrade) 
of the supply chilled water and return chilled water of Evaporator s (see Figure 3), 
and temperatures (in centigrade) of the supply cooling water and return cooling 
water of Condenser s (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 Evaporator s, and the Monthly  Average Value of 
temperature differences between the supply cooling water and return cooling 
water  of Condenser s shall compl y 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 c alibrate d at least once every 12 months.  The 
calibration may be performed by the energy user itself or any other inst itution 
retained to do so.  
3.4.2 Whe re the energy user retains other institution s to conduct the  calibration, the 
laboratory of the institution retained sh all be certified by Taiwan Accreditation 
Foundation.  Whe re 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 calib ration 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.  
 5 
 4. Starting from January 1, 201 6, 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 re cord the Exhaust Gas Temperature  at least once 
every four hours . The record should include dates, time, and the Exhaus t Gas 
Temperature . 
4.3 Monitor and record the  Exhaust Gas Concentration of Oxygen of the Thermal 
Fluid Heater at least once a week.  The recor d 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.  6 
 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 t ook 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 th e 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 co ndition 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 doe s 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 specif ication 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 N ewly -Installed Equipment , or an E xisting Equipment 
under modification or maintenance.  
8.5 There is a clear  difficult y in install ing any heat recovery unit due to the space or 
legal limitations.  7 
  
Figure 1  The monitoring point of the Exhaust Gas Concentration of Oxygen and the 
Exhaust Gas Temperature  of the Thermal Fluid Heater (w ithout  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 (w ith heat recovery unit 
installed)  
8 
  
Figure 3   Measuring  points for monitoring the temperature differences between  
supply chilled water and return chilled water of Evaporator s  
Figure 4   Measuring points for monitoring the temperature differences between 
supply cooling water and return cooling water of Conden sers  
  
9 
 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.  
 
  10 
 Table  2 The upper limit of the Annual Averag e 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 
 
  11 
 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 
 
  12 
 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: _________   13 
 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: _________  
 
 14 
 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: _________  
 
 
 
                             
  15 
 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/h r) 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 m3 
   Liquid   kcal/L  kL 
Solid  
(Coal)   kcal/kg  kg 
  Gas  kcal/m3 m3 
   Liquid   kcal/L  kL 
Solid  
(Coal)   kcal/kg  kg 
 
Prepared by: ______________ Title: ______________ Tel: __________  
Supervisor: ______________ Title: ______________ Tel: __________  
 
 
 16 
 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:  _____________