Danfoss RZ1-HP Instrukcje Operacyjne Pobierz pdf (Strona 39)

3.4. Technical data of heat pump Hotjet “ w “

New models of heat pumps ground – water and water –

water bring along completely new construction of the

box, cooling circuit and control electronics. In a simplified

way we can say that there is nothing left from the original

model.

Basic information

• Compact size with a possibility of installation towards

the wall.

• Source of heat is a ground collector, borehole or well.

• It is designed for unmanned water heating up to 55°C.

• It is suitable for ﬂoor and radiator systems

• Regulation maintains heating of domestic hot water

(DHW)

• Compact construction does not require much space

(it takes up 0.35m2)

• Support of passive or compressor cooling

• Central control of heating and DHW heating through

supplied regulation

• Choice out of 2 regulators with a possiblility of further

extension

• Wired and wireless control

• Effecitve anti-corrosion protection

• Wide range of accessories

Advantages

• In comparison to air – water system:

• More stable power output

• Higher heating factor

• No aerodynamic noise

• It is not influenced by weather conditions

• High technology with top electronics at reasonable

price.

Installation position

Source of heat: ground collector, borehole, well, service

water

Place of installation: anywhere inside a building – utility

room, cellar, garage…

External part of installation: primary source – borehole,

ground collector, wells

Characteristics

Noise suppression:

•

Compressor scroll without mechanically movable

pistons and valves

•

Multiple spring-loaded housing of compressor and

cooling circuit

•

Solid compact baseplate

•

Multiply insulation against noise on the covers

Space required: the heat pump takes up the area of

0.35m2. Upper cover height is approximately 1m.

Passageway of 60cm is fully sufficient for the installation.

Control units:

AVS37 (standard)

•

Operator panel in a switchboard

•

Without spatial temperature reading (solved by

external thermostat)

QAA78 wireless unit (optional)

Combined spatial and operating device

Advantages of QAA78:

•

Heat pump, heating system and heating of DHW may

be controlled from any place in the house.

•

Spatial thermostat function informs the regulator of

temperature in the place where the unit is placed.

Support of connection to the heating system:

•

Connection without surge tank, directly to the heating

system

•

Connection with a surge tank point-to-point, four-point

•

Support for surge tanks with ﬂoating boiler

Surge tank (storage reservoir):

•

Is not necessary (requires consideration)

•

May be charged equithermally

•

May be charged, so-called, forcedly, when it is charged

up to the required temperature. Startup of this function

may be linked to switching electrical energy rates,

certain time or it can be controlled by external

command. One of the advantages is the possibility of

“collection” of heat when the conditions are better. For

example the air temperature is higher.

Hotjet CZ s.r.o.! ! 39 z 46

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

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