Technical data
Installation instructions geoTHERM 0020051574_04
113
14
14.2
Technical Data VWW
Description
Unit
VWW 220/2
VWW 300/2
VWW 380/2
VWW 460/2
Type
–
Water-to-water heat pump
Area of application
–
The heat pumps are intended exclusively for domestic use as heating appli-
ances for closed heating and hot water systems and for hot water generation.
Dimensions
Height without connections
Width
Depth without pillars
Depth with pillars
mm
mm
mm
mm
1200
760
900
1100
Weights
Total weight
- with packaging
- without packaging
- ready for operation
kg
kg
kg
340
310
325
354
324
343
374
344
366
397
367
394
Electrical data
Nominal voltage / Measuring voltage
- Compressor
- Control circuit
3/N/PE 400V 50Hz
1/N/PE 230V 50Hz
- Brine pump / Well pump (on-site)
3/N/PE 400V 50Hz (max. 3 x 5 A)
3/N/PE 400V 50Hz (max. 3 x 8,5 A)
- CH pump (on-site)
- Auxiliary heater system (on-site)
1/N/PE 230V 50Hz (max. 2 A)
3/N/PE 400V 50Hz
- Power factor
cos
j
0,7 - 0,84
0,72 - 0,83
0,76 - 0,86
0,75 - 0,86
Required max. network impedance
- with factory-set in-rush current limiter
Ohm
0,472
0,450
0,270
0,100
Fuse
- Trigger characteristics
- Breaking current
–
C, three-pole switching (disconnection of the three mains connection lines by a
switching operation)
A
20
25
32
40
Start-up current
- without in-rush current limiter
- with factory-set in-rush current limiter
A
A
99
44
127
65
167
85
198
110
Electrical power consumption:
- min. at W10/W35
- max. at W20/W60
- Auxiliary heater (On-site, max.)
kW
kW
kW
5,00
10,00
3 x 2,3
6,40
12,00
3 x 2,3
8,50
16,00
3 x 2,3
10,10
18,00
3 x 2,3
EN 60529 level of protection
-
IP 20
Hydraulic connections
- Heating circuit flow and return
- Heat source flow and return
Inch, mm
Inch, mm
G 1 1/2", DN 32
G 1 1/2", DN 32
Heat source circuit / Well water cir-
cuit
- permitted water condition
- max. operating pressure
- min. inlet temperature warm brine
- max. inlet temperature warm brine
-
MPa (bar)
°C
°C
pH difference in accordance with DIN 38404-C10-R2 (< +0.5 / > -0.5)
Corrosion in accordance with DIN 50930 T4 (1993) (S1 < 0.5)
Corrosion in accordance with DIN 50930 T5 (S3 < 0.5 / > 1.0)
0,3 (3)
4
20
- Volume of the heat source circuit in
the heat pump
l
6,2
8,6
10,0
12,4
- Nominal volumetric flow rate
D
T 3K
- Internal pressure loss at nominal volu-
metric flow rate
m
3
/h
kPa (mbar)
6,42
51,2 (512)
8,76
58,2 (582)
10,8
71,9 (719)
13,1
86,0 (860)
- Heat source circuit materials within
the heat pump
-
Cu, CuZn-Alloy, Stainless Steel, Fe, EPDM
14.2
Technical Data VWW