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3.3. Technical data of heat pump Hotjet “ s “

New models of air to water heat pumps of the split type

distinguish by a favourable price with outstanding

parameters. The split installation enables flexible

utilisation of the heat pump in various types of buildings.

Basic information

Compact size with a possibility to install the indoor unit to

the wall

Air is used as a heat source

Intended for automated water heating up to 55 °C

Suitable for both floor and radiator heating systems

Control system can ensure hot water heating

Compact structure with minimum demands on space (top

view 0,35 m

)

Supports passive or compressor cooling

Central heating and hot water heating control via the

attached control system

Selection out of 2 controllers, further extension possible

Both wire and wireless control

Effective anticorrosive protection

Wide range of accessories

Advantages:

“Hot” part of the system is placed inside the building

Higher heating factor

Noise split to 2 places

High-performance soundproofing of the indoor unit

Outdoor unit equipped with low-speed fan with large

diameter of 630 mm and saw blades for noise elimination

No impact of the climatic conditions

Advanced technology with sophisticated electronics for

favourable price

Installation position

Indoor unit: any place inside the building – technical

room, basement, garage...

Outdoor part of the system: ground, wall, roof

Characteristics

Heat source: air

Soundproofing:

Scroll compressor without mechanically travelling pistons

and valves

Several springing levels of compressor mounting and

cooling circuit

Robust compact base slab

Several layers of noise insulation on covers

Low-speed fan with large diameter of 630 mm and saw

blades for noise elimination

Required space:

Heat pump takes up the area of 0,35 m

Height of the upper lid is approximately 1 m

Passage of 60 cm is sufficient for heat pump installation

Control units:

AVS37 (standard)

control panel in the switchgear

no space temperature sensors (external thermostat

delivered)

QAA78 wireless unit (option)

combined space and control device

Advantages of QAA78 unit:

heat pump, heating system and hot water heating can be

controlled from any place in the building

Space thermostat function – thermostat informs the

controller about the temperature of the area where the

unit is placed

Connection to Heating System

Connection without a surge tank, directly to the heating

system

Two- point or four-point connection with a surge tank

Support for floating boiler reservoirs

Surge tank (storage tank):

not necessary (to be assessed)

can be equithermally charged

can be force-charged, i. e. charged to the required

Hotjet CZ s.r.o.! ! 31 z 46

Operating instructions and installation of heat pumps Hotjet (3.08/2010/01)

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Danfoss RZ1-HP Istruzioni per gli Interventi Pagina 31

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