Ground Source Heat pumps TBW EVI Urban over 50kW

Heat pump with two power stages for heating and domestic hot water with the possibility of passive cooling control. One short closed refrigerant circuit with a pair of quiet Scroll compressors and robust stainless steel plate heat exchangers. Through the connection kit, the circulation pumps can be easily and quickly connected while externally controlling their variable speed.
Use for multi-family dwellings, suburban mixed-use buildings or commercial operations. The Urban range is based on a robust construction quality steel for all parts. High quality, long proven heat pump circuit components extend the life of the heat pump.
As a primary source, the thermal energy of the sun accumulated in the ground through a horizontal collector or geothermal energy through a deep borehole is used. In the collector or borehole, an antifreeze flows which takes the energy of the earth at a low temperature and the heat pump raises this temperature to a temperature usable for heating or hot water.

Heat pump type: TBW 54 EVI 64 EVI 73 EVI 85 EVI 98 EVI
Product sheet
Article nr. WA001355 WA001356 WA001357 WA001358 WA001359
Heating capacity [ kW ] EN 14511
B0 / W35 (max) 55.5
(27.8 ~ 55.5)
65.2
(32.6 ~ 65.2)
73.6
(36.8 ~ 73.6)
83.4
(41.7 ~ 83.4)
96.1
(48.1 ~ 96.1)
B0 / W35 (min) 27.8
(27.8 ~ 55.5)
32.6
(32.6 ~ 65.2)
36.8
(36.8 ~ 73.6)
41.7
(41.7 ~ 83.4)
48.1
(48.1 ~ 96.1)
B0 / W34 55.5
(27.8 ~ 55.5)
65.1
(32.5 ~ 65.1)
73.4
(36.7 ~ 73.4)
83.4
(41.7 ~ 83.4)
96.0
(48.0 ~ 96.0)
B0 / 55 (max) 56.2
(28.1 ~ 56.2)
67.8
(33.9 ~ 67.8)
76.2
(38.1 ~ 76.2)
85.0
(42.5 ~ 85.0)
98.3
(49.1 ~ 98.3)
B0 / W55 (min) 28.1
(28.1 ~ 56.2)
33.9
(33.9 ~ 67.8)
38.1
(38.1 ~ 76.2)
42.5
(42.5 ~ 85.0)
49.1
(49.1 ~ 98.3)
B0 / W52 56.6 (28.3 ~ 56.6) 68.0 (34.0 ~ 68.0) 76.4 (38.2 ~ 76.4) 85.4 (42.7 ~ 85.4) 98.9 (49.4 ~ 98.9)
Energy Efficiency Parameters and Performance ErP [ middle temperature region ]
Rated nominal heating capacity P rated [ kW ] 55.5 65.2 73.6 83.4 96.1
Energy class A+++ A+++ A+++ A+++ A+++
SCOP 5.22 5.12 4.94 5.02 5.01
Seasonal energy efficiency η [ % ] 208.9 204.8 197.5 200.9 200.3
Bivalent point [ ºC ] -10 -10 -10 -10 -10
Parameter of heat sink
Maximal flow temperature [ ºC ] 65 65 65 65 65
Minimal flow temperature [ ºC ] 25 25 25 25 25
Flow nominal [ m3/h ] [@35/30] 4.81 ~ 9.61 5.64 ~ 11.27 6.36 ~ 12.72 7.21 ~ 14.41 8.32 ~ 16.63
Pressure drop [ kPa ] [@35/30] 20 20 20 20 20
Nominal ∆T [ K ] [@W35°C] 5 5 5 5 5
Nominal ∆T [ K ] [@W55°C] 8 8 8 8 8
Nominal ∆T [ K ] [@W65°C] 10 10 10 10 10
Connection port size [ " ] VIC 2.1/2" VIC 2.1/2" VIC 2.1/2" VIC 2.1/2" VIC 2.1/2"
Parameter of low temperature heat source
Minimal source temperature [ ºC ] -10 (7) -10 (7) -10 (7) -10 (7) -10 (7)
Maximal source temperature [ ºC ] 30 30 30 30 30
Flow source nominal [ m3/h ] 4.94 ~ 9.88 5.78 ~ 11.56 6.47 ~ 12.93 7.37 ~ 14.75 8.48 ~ 16.96
Pressure drop source [ kPa ] 20 20 20 20 20
Nominal ∆T source [ K ] 4 4 4 4 4
Connection port size source [ " ] VIC 2.1/2 VIC 2.1/2 VIC 2.1/2 VIC 2.1/2 VIC 2.1/2
Electrical parameters
Voltage [ V ] 3~ 400/50 3~ 400/50 3~ 400/50 3~ 400/50 3~ 400/50
Safety protection [ A ] C80 C80 C80 C80 C80
Current - nominal [ A ] 24.46 30.10 42.12 43.28 46.70
Current - maximal [ A ] 42.00 52.00 64.10 66.00 74.80
Current - Start [ A ] 36.42 48.9 56.91 58.42 63.04
Softstart 2 x MCI 25 2 x MCD 201 2 x MCD 201 2 x MCD 201 2 x MCD 201
Sound information
Sound power - indoor Lw [ dB(A) ] 59 60 62 65 66
Sound power - outdoor Lw [ dB(A) ]
Sound pressure Lp in 1 meter [ dB(A) ] 51 52 54 57 58
Sound pressure Lp in 5 meter [ dB(A) ] 37 38 40 43 44
Sound pressure Lp in 10 meter [ dB(A) ] 31 32 34 37 38
Sound pressure Lp in 15 meter [ dB(A) ] 27 28 31 33 34
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certifitates

We have been continuously certifying our heat pumps in the Swiss laboratory at the OST University in Buchs.

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