Parameter
Direct-fired Absorption Chiller (DFA) Performance Data
Fuel: natural gas, town gas, biogas, diesel or gas/oil dual fuel
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Packaged Direct-fired Absorption Chiller (P-DFA)
Rated chilled water 7℃/14℃, cooling water 37℃/30℃
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General Conditions:
  • 1. Rated chilled W. outlet/inlet temp. : 7℃/14℃ (7℃/12℃)
  • 2. Rated cooling W. outlet/inlet temp. : 37℃/30℃ (37.5℃/32℃)
  • 3. Rated heating W. outlet/inlet temp. : 65℃/55℃
  • 4. Rated hot W. outlet/inlet temp. : 80℃/60℃
  • 5. Lowest permitted outlet temp. for chilled water: 5℃
  • 6. Highest permitted outlet temp. for heating/ hot water: 95℃
  • 7. Lowest permitted inlet temp. for cooling water: 10℃
  • 8. Adjustable chilled water flowrate: 50%~120% Adjustable heating/ hot water flowrate: 65%~120%
  • 9. Pressure limit for chilled W. , cooling W. , heating W. ,hot W. : 0.8MPa (except special order)
  • 10. Adjustable load: 5%~115%
  • 11. Fouling factor for chilled W. , cooling W. , heating W. ,hot W. : 0.086m2·K/kW
  • 12. Natural gas consumption is calculated: 10kWh/m3(8600kcal/m3)
  • 13. Standard natural gas dynamic pressure is 16~35kPa,static pressure is < 50kPa, lower or higher pressure can be accommodated to special orders
  • 14. LiBr Solution concentration: 54%. Solution is included in unit shipment Wt.
  • 15. Rated exhaust temp. for cooling: 160℃ Rated exhaust temp. for heating: 145℃
  • 16. Machine room ambient temperature: 5~43℃,humidity≤85%
  • 17. Standard climate conditions for cooling operation:temp. 36℃, relative humidity 50% (wet bulb 27℃)
  • 18. Heating capacity and hot water capacity refer to the capacity in separate operation, which is adjustable within this range
  • 19. Power demand of cooling, heating, hot W. is under rated working condition.
  • 20. Rated cooling COP: 1.42 (including chiller power consumption) Rated heating COP: 0.93 (including chiller power consumption)
  • 21. Life design: 30 years
  • Notes: technical specification is based upon:
  • Standard GB 18361 "Safety Requirement of LiBr Absorption Water Chilling And Water Heating Packages"
  • Standard GB/T 18362 "Direct-fired LiBr Absorption Water Chilling And Water Heating Packages"
  • Standard GB 29540 "Minimum allowable values of the energy efficiency and energy efficiency grades for LiBr Absorption Water Chilling And Water Heating Packages"
  • Standard JIS B 8622 "Absorption Chiller"
  • Standard ARI 560 "Absorption Water Chilling And Water Heating Packages"

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