Large heat pump
High-temperature brine/water heat pump with water/water capability with intermediate brine circuit.
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Rated heat output: 56.6 - 351.5 kW
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Flow temperature up to 90 °C
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Low operating costs with maximum efficiency
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Sustainable, future-proof refrigerant
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Rated Heating Power for Brine/Water Handling
56.6 - 144.9 kW (B0/W35)
Rated heating power for water/water operation
133.3 - 351.5 kW (W45/W90)
Maximum flow temperature up to 90 °C
Specially designed to recover waste heat into renewable heat for the commercial sector
Low operating costs with maximum efficiency
Thanks to the innovative refrigerant cycle diagnostics system with electronic expansion valve
High stability thanks to future-proof refrigerant
HFO R1234ze refrigerant with a global warming potential (GWP) of 7
Remote Monitoring and Communication
Thanks to numerous data transfer options
Optimal use of waste heat
Due to the high permissible temperature of the primary source up to 45 °C
Low sound power
< 66 dB(A)
Intuitive operation of the PLC control unit
Using the touch screen and schematic diagrams
Rated pressure 10 bar
For industrial applications
Low maintenance cost
Thanks to automatic leak monitoring
Easy commissioning
With the help of the assistant functions controlled through the menu
Factory Test at Operating Temperature
With functional and performance tests
Vitocal 350-HT: High Temperature Heat Pump for Waste Heat Recovery in Renewable Heating for the Commercial Sector
The use of renewable heat in commercial applications is driven by the need for high flow temperatures.
As a series-produced heat pump, the Vitocal 350-HT Pro high-temperature heat pump delivers a flow temperature of up to 90 °C and uses a heat source temperature of up to 45 °C. This makes it particularly suitable for waste heat recovery and high temperatures for industrial and commercial processes or for older district heating networks.
The use of the new HFO refrigerant R1234ze means that this series of appliances already complies with refrigerant regulations that will remain in place for many years to come. GWP (Global Warming Potential) is in the single-digit range and is therefore almost as low as that of natural refrigerants.
In addition, the control unit has many communication options. LAN-enabled systems as well as Modbus and BACnet interfaces can be used. This makes the system available for remote monitoring and integration into building management systems. The 5.7-inch color touchscreen provides intuitive operation and easy control.
Product details
| Rated heat output (kW), according to EN 14511, B0/W35, spread 5 K |
Type BW 353.AHT058: 56.6 kW | type BW 353.AHT071: 72.4 kW | Type BW 353.AHT084: 83.2 kW | Type BW 353.AHT096: 96.6 kW | type BW 353.AHT119: 116.8 kW | Type BW 353.AHT126: 124.8 kW | type BW 353.AHT147: 144.9 kW |
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| Rated heat output (kW) according to EN 14511, W45/W90, spread 10 K |
Type BW 353.AHT058: 133.3 kW | Type BW 353.AHT071: 174.7 kW | type BW 353.AHT084: 202.2 kW | type BW 353.AHT096: 234.4 kW | type BW 353.AHT119: 262.8 kW | type BW 353.AHT126: 303.3 kW | type BW 353.AHT147: 351.5 kW |
| ε Efficiency Ratio (COP) B0/W35 |
Type BW 353.AHT058: 4.3 | Type BW 353.AHT071: 4.3 | Type BW 353.AHT084: 4.2 | Type BW 353.AHT096: 4.2 | Type BW 353.AHT119: 4.1 | Type BW 353.AHT126: 4.2 | Type BW 353.AHT147: 4.2 |
| ε Capacity Factor (COP) for Water/Water Operation with W10/W35 Intermediate Brine Circuit |
Type BW 353.AHT058: 3.2 | Type BW 353.AHT071: 3.2 | Type BW 353.AHT084: 3.2 | Type BW 353.AHT096: 3.2 | Type BW 353.AHT119: 3.2 | Type BW 353.AHT126: 3.2 | Type BW 353.AHT147: 3.2 |
| Applications |
Commercial Enterprises, Industrial Facilities, Local Government Premises, Modernization Projects, New Construction |
| Surgery |
Vitotronic 200 PLC 2.0 control unit with large colour touch screen |
| Product cross-section |
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ServiceConnect Commercial
The innovative service concept gives Viessmann’s sales partners an additional advantage when working with commercial customers and local authorities thanks to full service from a distance.
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- Increased operational reliability
- Convenient remote diagnostics
- Complete management of fault messages
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