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5 - APPLICATION DATA
5.1 - Operating limits 61WG
61WG
Evaporator
Entering water temperature at start-up
Leaving water temperature during operation
Entering/leaving water temperature difference
Condenser
Entering water temperature at start-up
Leaving water temperature during operation
Entering/leaving water temperature difference
*
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 flow rate that corresponds to a maximum water-side temperature
difference of 5 K.
61WG + option 272 (geothermal application)
Evaporator
Entering water temperature at start-up
Leaving water temperature during operation
Entering/leaving water temperature difference
Condenser
Entering water temperature at start-up
Leaving water temperature during operation
Entering/leaving water temperature difference
*
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 flow rate that corresponds to a maximum water-side temperature
difference of 5 K.
5.2 - Operating range 61WG
65
60
55
50
Option 272
45
40
35
30
25
20
15
-8
-6
-4
-2
0
2
Evaporator leaving water temperature, °C
61WG standard unit
61WG unit with option 272 (brine to water)
Minimum
Maximum
°C
7.5*
27
°C
5**
20
K
2.5
7
°C
15***
60****
°C
20
65
K
2.5
18
Minimum
Maximum
°C
-2.5*
25
°C
-5*
20
K
2.5
5
°C
15**
60***
°C
20
65
K
2.5
18
Standard
4
6
8
10
12
14
16
18
5.3 - Operating limits 30WG
30WG
Evaporator
Entering water temperature at start-up
Leaving water temperature during operation
Entering/leaving water temperature difference
Condenser
Entering water temperature at start-up
Leaving water temperature during operation
Entering/leaving water temperature difference
*
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 flow rate that corresponds to a maximum water-side temperature
difference of 5 K.
30WG + option 6
Evaporator
Entering water temperature at start-up
Leaving water temperature during operation
Entering/leaving water temperature difference
Condenser
Entering water temperature at start-up
Leaving water temperature during operation
Entering/leaving water temperature difference
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 flow rate that corresponds to a maximum water-side temperature
difference of 5 K.
30WG + drycooler
Evaporator
Entering water temperature at start-up
Leaving water temperature during operation
Entering/leaving water temperature difference
Condenser without hydronic kit
Entering air temperature at start-up + during
operation
Condenser with option 270V (kit with variable-speed pump)
Entering air temperature at start-up+ during
operation
*
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.
20
†
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.
5.4 - Operating range 30WG
65
60
55
50
45
40
35
30
25
20
15
-14 -12 -10 -8 -6 -4 -2
Evaporator leaving water temperature, °C
30WG standard unit
30WG unit with option 6 (brine)
Minimum
°C
7.5*
°C
5**
K
2.5
°C
15***
°C
20
K
2.5
Minimum
°C
-9.5*
°C
-12*
K
2.5
°C
15**
°C
20
K
2.5
Minimum
°C
7.5*
°C
5**
K
2.5
°C
10-15***
°C
-10†
Option 6
Standard
0
2
4
6
8 10 12 14 16 18 20
Maximum
27
20
7
55****
60
18
Maximum
27
20
3
55***
60
18
Maximum
27
20
7
40-45****
40-45****
25
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