Carrier 61WG 020 - Application Data and Water Flow; 5.1 61 WG Operating Limits

25
30WG + drycooler Minimum Maximum
Evaporator
Entering water temperature at start-up °C 7.5* 27
Leaving water temperature during operation °C 5** 20
Entering/leavingwatertemperaturedifference K 2.5 7
Condenser without hydronic kit
Entering air temperature at start-up + during
operation
°C 10-15*** 40-45****
Condenser with option 270V (kit with variable-speed pump)
Entering air temperature at start-up+ during
operation
°C -10† 40-45****
* Forenteringwatertemperaturesbelow7.5°Catstart-up,contactCarrier.
** Iftheleavingwatertemperatureisbelow5°C,afrostprotectionsolutionmust
beused.Pleaserefertooption6forevaporatorleavingwaterlow-temperature
applications(<5°C).
*** Theminimumenteringairtemperatureisbasedonthedrycoolerselection.
**** Themaximumenteringairtemperatureisbasedonthedrycoolerselection.
† For applications with a low condenser entering air temperature the use of a
three-wayvalveisrecommended.Thisthre-wayvalvecanbecontrolledbythe
0-10VanalogueoutputofthePro-Dialog+control.
30WG Minimum Maximum
Evaporator
Entering water temperature at start-up °C 7.5* 27
Leaving water temperature during operation °C 5** 20
Entering/leavingwatertemperaturedifference K 2.5 7
Condenser
Entering water temperature at start-up °C 15*** 55****
Leaving water temperature during operation °C 20 60
Entering/leavingwatertemperaturedifference K 2.5 18
* Forenteringwatertemperaturesbelow7.5°Catstart-up,contactCarrier.
** Iftheleavingwatertemperatureisbelow5°C,afrostprotectionsolutionmust
beused.Pleaserefertooption6forevaporatorleavingwaterlow-temperature
applications(<5°C).
*** Forapplicationswithacondenserenteringtemperaturebelow15°Ctheuseof
athree-wayvalveisrecommended.Thisthree-wayvalvecanbecontrolledby
the0-10VanalogueoutputofthePro-Dialog+control.
**** Forawaterowratethatcorrespondstoamaximumwater-sidetemperature
differenceof5K.
30WG + option 6 Minimum Maximum
Evaporator
Entering water temperature at start-up °C -9.5* 27
Leaving water temperature during operation °C -12* 20
Entering/leavingwatertemperaturedifference K 2.5 3
Condenser
Entering water temperature at start-up °C 15** 55***
Leaving water temperature during operation °C 20 60
Entering/leavingwatertemperaturedifference K 2.5 18
Note:Donotexceedthemaximumoperatingtemperature.
* Afrostprotectionsolutionmustbeused.
** Forapplicationswithacondenserenteringtemperaturebelow15°Ctheuseof
athree-wayvalveisrecommended.Thisthree-wayvalvecanbecontrolledby
the0-10VanalogueoutputofthePro-Dialog+control.
*** Forawaterowratethatcorrespondstoamaximumwater-sidetemperature
differenceof5K.
5.2 - Operating range 61WG
Condenserleavingwatertemperature,°C
Evaporatorleavingwatertemperature,°C
Evaporatorleavingwatertemperature,°C
Condenserleavingwatertemperature,°C
15
20
25
30
35
40
45
50
55
60
65
-8 -6 -4 -2 0 2 4 6 8 10 12 14 16 18 20
Standard
Option 272
61WG standard unit
 61WGunitwithoption272(brinetowater)
15
20
25
30
35
40
45
50
55
60
65
-14 -12 -10 -8 -6 -4 -2 0 2 4 6 8 10 12 14 16 18 20
Standard
Option 6
5 - APPLICATION DATA
5.1 - Operating limits 61WG
61WG Minimum Maximum
Evaporator
Entering water temperature at start-up °C 7.5* 27
Leaving water temperature during operation °C 5** 20
Entering/leavingwatertemperaturedifference K 2.5 7
Condenser
Entering water temperature at start-up °C 15*** 60****
Leaving water temperature during operation °C 20 65
Entering/leavingwatertemperaturedifference K 2.5 18
* Forenteringwatertemperaturesbelow7.5°Catstart-up,contactCarrier.
** Iftheleavingwatertemperatureisbelow5°C,afrostprotectionsolutionmust
beused.Pleaserefertooption272forevaporatorleavingwaterlow-temperature
applications(<5°C).
*** Forapplicationswithacondenserenteringtemperaturebelow15°Ctheuseof
athree-wayvalveisrecommended.Thisthree-wayvalvecanbecontrolledby
the0-10VanalogueoutputofthePro-Dialog+control.
**** Forawaterowratethatcorrespondstoamaximumwater-sidetemperature
differenceof5K.
61WG + option 272 (geothermal application) Minimum Maximum
Evaporator
Entering water temperature at start-up °C -2.5* 25
Leaving water temperature during operation °C -5* 20
Entering/leavingwatertemperaturedifference K 2.5 5
Condenser
Entering water temperature at start-up °C 15** 60***
Leaving water temperature during operation °C 20 65
Entering/leavingwatertemperaturedifference K 2.5 18
* Afrostprotectionsolutionmustbeused.
** Forapplicationswithacondenserenteringtemperaturebelow15°Ctheuseof
athree-wayvalveisrecommended.Thisthree-wayvalvecanbecontrolledby
the0-10VanalogueoutputofthePro-Dialog+control.
*** Forawaterowratethatcorrespondstoamaximumwater-sidetemperature
differenceof5K.
5.4 - Operating range 30WG
 30WGstandardunit
 30WGunitwithoption6(brine)
5.3 - Operating limits 30WG