Belaria® Fit (53) Technical

Hoval Belaria-fit (53)
Air to Water Heat Pump
Description/Overview
A modulating air to water heat pump in compact design for outdoor installation.
For heating and cooling in cascades of up to 16 individual units.
Consisting of
• Hermetically sealed rotary compressors with inverter control.
• A copper-soldered plate heat exchanger made of stainless steel with polypropylene insulation
and frost protection heating.
• Multi-row fin evaporator with large surface area with hydrophilic coating.
• Speed-controlled axial fans.
• A supporting frame structure with powder coating RAL 9001, External cladding made
of surface-coated steel sheet RAL 9001 and including sound-insulating cladding.
The refrigeration circuit includes:
• An electronic expansion valve.

• A 4-way valve for cooling and defrosting.
• High and low-pressure monitor.
• liquid collector, liquid separator,
• oil separator.
And is filled with R32 refrigerant.
The water circuit includes
• A flow monitor.
• Frost protection heating.
• Temperature sensors on the flow and the return.
• A drain valve.
• Hydraulic connections with Victaulic couplings.
• A Safety valve with a 6 bar maximum setting.
An Electrical box internally wired ready for connection and an external operator terminal with
graphical display and function keys. This can be mounted on the unit or remotely.
Heat Output A2W35 22.4-53.3kW

Cooling Capacity A35/W18 23.7-75.6kW.
Version1.0_M M_ TS_Belari_fit_(53)_7019107_09/22 1
Technical Data
Performance
Energy Efficiency Class with control at 35°C A++ 35°C
Room Heating energy efficiency 35°C ηs 152 %
SCOP moderate climate at 35°C 3.87 SCOP

Heating
Heat Output A2W35(1) 53.3 kW
COP A2W35 3.5
Heat Output A-7W35 40.6 kW
COP A-7W35 2.8
Cooling
Cooling Capacity A35W18(1) 75.6 kW
EER A35W18 3.3
Cooling Capacity A35W7 55 kW
EER A35W7 2.6
Sound Power Levels dB(A)

Standard 82
Silent(2) 74
Super silent(2) 71
Hydraulic Data
Maximum flow temperature 54 °C
Heating Flow Rate at ΔT 5K (A7W35) 2.96 l/s

Heating Flow Rate at ΔT 8K (A7W35) 1.83 l/s
Cooling Flow Rate at ΔT 4K (A35W7) 3.28 l/s
Cooling Flow Rate at ΔT 4K (A35W18) 4.5 l/s
Max Op pressure for Heating 6.0 bar

2"
Flow/Return Connections
Fan 2x axial
Nominal air quantity 24000 m3/h
Refrigerant R32
Circuits 1
Compressor stages Modulating
Refrigerant fill quantity 14 kg
Compressor oil fill quantity 4.6 l
Electrical Data
Connections 3~400/50
Starting current 40.5 Amps
Main current fuse 50
Dimensions (H x W x D) 1320x 2280 x 1060 mm
Weight 530 kg
(1) In accordance with EN 14511

(2) Reduced heat outputs
2/4
3/4
• Units are designed to be installed externally in fixed positions. They should be raised from the
ground onto suitable plinths with the bearing points aligned and levelled (refer to O&M for
details).
• Discharged condensation from the evaporator must be drained in such a way as to not cause
harm or danger to people or property.
• Limit vibration transmissions using the anti-vibration feet supplied along with the flexible
connection joints on the heating pipework. The spring vibration feet add to the height
dimension indicated. Anti-vibration feet and flexible couplings are included in the scope of supply.
• Located to avoid obstacles to airflow, heat or pollution sources, stratification or recirculation of
air supply by incorrect positioning.
• Refer to Technical Information Installation/Operation instructions prior to installation for
necessary clearances around the units.
• Integration with heating/cooling systems requires a suitably sized thermal store (a Hoval
EnerVal vessel).
• Option to include Hoval TopTronic E system control elements depending on the hydraulic
arrangement. Refer to Hoval Technical.
• A water filter must be installed directly at the water inlet of the machine, the filter must have
adequate mesh to prevent the entry of particles greater than 0.5mm. A simple Y strainer filter is
included in the scope of the supply for the installer to fit in the return pipework to the heat pump.
• The unit must accommodate frost protection and be protected from freezing. This may require
system separation and use of an anti-freeze solution.
• Installation to comply with all current regulations.
Electrical Connections
Electrical box: Connection terminals main supply, AC filter, phase sequence protection, surge voltage
protection of the compressors, voltage-free contact for ON/OFF, voltage-free contact
for summer/winter changeover, volt free fault signal.wired up ready to connect.
External operator terminal with graphical display and function keys. Control and monitiring of the
modulating heat pumps, setting the heating and cooling curves, selection of opearting mode,
standard, silent and super silient and display of the current operating parameters. The control terminal
can be installed in any room.
Sept 22
4/4

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Hoval Belaria-fit (53)

Air to Water Heat Pump

For heating and cooling in cascades of up to 16 individual units.

The refrigeration circuit includes:

• An electronic expansion valve.

And is filled with R32 refrigerant.

The water circuit includes

Heat Output A2W35 22.4-53.3kW

Energy Efficiency Class with control at 35°C A++ 35°C

Room Heating energy efficiency 35°C ηs 152 %

SCOP moderate climate at 35°C 3.87 SCOP

Sound Power Levels dB(A)

Heating Flow Rate at ΔT 5K (A7W35) 2.96 l/s

Max Op pressure for Heating 6.0 bar

(1) In accordance with EN 14511

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