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Recommended wire sections
Selection table of minimum and maximum wire sections for connection to 30XW units
Max. connectable
wire section
30XW - Circuit(s) A(/B)
Section, mm²*
802 HT
1 x 240
1552 HT
2 x 240 / 2 x 240
1552 HT Option 81
4 x 240
*
Power supply wire section (see diagram in chapter 'Electrical connection').
Note: The current values used are given for a unit without option 84 (water pump supply).
APPLICATION DATA
Operating limits for 30XW units
30XW--/30XW-P
30XWH HT
Evaporator
Entering temperature at start-up
Leaving temperature during operation
Entering/leaving temperature difference at full load 2.8 K
Condenser
Entering temperature at start-up
Leaving temperature during operation
Entering/leaving temperature difference at full load 2.8 K
*
For lower condenser temperatures a water flow control valve must be used
at the condenser (two or three-way valve). Refer to option 152 to ensure the
correct condensing temperature.
Note: Ambient temperatures: During storage and transport of the 30XW units
(including by container) the minimum and maximum permissible temperatures
are -20°C and 72°C.
WATER CONNECTIONS
The water connections are Victaulic type connections. The
inlet and outlet connection diameters are identical.
Inlet/outlet diameters
Standard-efficiency units 30XW--/30XWH-
Size
Evaporator
Units without option 100C
Diameter
Outside diameter
Option 100C
Diameter
Outside diameter
Condenser
Units without option 102C
Diameter
Outside diameter
Option 102C
Diameter
Outside diameter
N/A - option not available for the specified size
Minimum calculated section
Section, mm²*
1x120
1 x 150 / 1 x 150
2 x 150
Minimum
Maximum
10°C
50°C
3.3°C
40°C
11.1 K
13.C*
-
19°C*
70°C
11.1 K
802 HT
1552 HT
inch
6
8
mm
168.3
219.1
inch
6
8
mm
168.3
219.1
inch
6
8
mm
168.3
219.1
inch
N/A
N/A
mm
N/A
N/A
Max. length, m
Cable type
210
XLPE Cu
210 / 210
XLPE Cu
210
XLPE Cu
Standard and optional number of water passes
Standard-efficiency units 30XW--
Evaporator
Standard
Option 100C
Condenser
Standard
Option 102C
Evaporator and condenser water flow rates
Standard-efficiency units 30XW--
Size
Evaporator water flow rate, l/s
Minimum
Maximum
Condenser water flow rate, l/s
Minimum
Maximum
Notes
-
Minimum evaporator flow rate based on a water velocity of 0,5 m/s.
-
Minimum condenser flow rate based on a water velocity of 0,3 m/s.
-
Maximum flow rate based on a pressure drop of 120 kPa (units with two
evaporator passes and two condenser passes).
Maximum calculated section
Section, mm²*
Max. length, m
1x240
340
2 x 185 / 2 x 185
400 / 400
4 x 185
400
802 HT
2
1
2
N/A
802 HT
9
57
6
55
Cable type
XLPE Cu
PVC Cu
PVC Cu
1552 HT
2
1
2
N/A
1552 HT
18
84
12
119
3
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