07 UK HYDRONICS GEN 24 LR - Flipbook - Page 53
CHILLERS AND HEAT PUMPS
INDEX HYDRONICS AND ROOFTOPS
Water cooled chillers use water as the cooling medium to extract heat from the cooling circuit by cooling
and condensing the refrigerant.
Advantages:
· Higher cooling efficiency compared to air cooled chillers
· Less impact on the environment with less waste heat or fan noise
* The below illustration show cooling application.
Condenser
Coolant
inlet
Cooling system
(e. g. cooling
tower)
Circulating pump
Coolant
outlet
Evaporator
Warm chilled
water inlet
Compressor
Chilled water
outlet
To cooling
application
Ecodesign
Water to water comfort cooling only 1).
280
272
Jan.
2021
260
252
245
240
Jan.
2021
Jan.
2018
227
220
ηs,c / ηs,h
≤400 kW.
Minimum ηs,c to be
Ecodesign
compliant.
COMMISSION
REGULATION (EU)
2016/2281.
Jan.
2018
>400 kW and
≤1 500 kW.
Minimum ηs,c to be
Ecodesign
compliant.
COMMISSION
REGULATION (EU)
2016/2281.
>1 500 kW.
Minimum ηs,c to be
Ecodesign
compliant.
COMMISSION
REGULATION (EU)
2016/2281.
200
180
196
200
Jan.
2018
Jan.
2021
Water to water heat pumps 2).
≤400 kW.
Minimum ηs,h to be
Ecodesign
compliant.
COMMISSION
REGULATION (EU)
No813/2013.
160
140
125
Sept.
2017
120
115
100
2015
Sept.
2015
2016
2017
2018
2019
Years
2020
2021
2022
>400 kW and
≤1 500 kW.
Minimum ηs,h to be
Ecodesign
compliant.
COMMISSION
REGULATION (EU)
2016/2281.
>1 500 kW.
Minimum ηs,h to be
Ecodesign
compliant.
COMMISSION
REGULATION (EU)
2016/2281.
1) Calculated at nominal conditions: chilled water inlet/outlet
temperature: 12/7 °C, outdoor ambient temperature
30/35 °C DB.
2) Rated heat output of space heaters and combination heaters at
reference design conditions (Tdesign -10 °C) as stated in
COMMISSION REGULATION (EU) No 813/2013.
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