Romotop KV 025 W Series, Инструкция по установке и эксплуатации

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heat appliances do not overheat (e.g. water container). We always recommend connection with an
accumulation tank to ensure comfortable heating and a maximal utilization of the heat energy. Heating systems
with forced circulation can be secured against overheating e.g. via an open expansion tank or cooling loop. In
case of electricity outage it is recommended to use a backup supply for the circulation pump. We recommend
equipping heaters with thermostatic heads (especially in the area where the fireplace insert is located).
Heating systems with forced circulation are susceptible to overheating, most often due to power outages. If
the circulation pump stops, the water temperature in the exchanger will start to raise rapidly, since the heat is not
being drained anymore.
Romotop spol. s.r.o. strongly recommends installing one of the systems for
preventing the overheating of heating systems.
Recommended systems for preventing the overheating of heating systems:

Cooling loop – in case of a power outage and if the exchanger heats up above a safe bound, the
cooling vent will release cold water from the water supply into the loop located in the exchanger. The
cold water will drain the heat from the exchanger into waste water (see
Connection chart with
cooling loop ).

DBV cooling valve – in case of power outage and if the exchanger heats up above a safe bound, the
overheated water is drained as waste water and cold water is released simultaneously into the heating
system (see
Connection chart with DBV cooling valve ).

Backup generator – allows the pump to operate for a short while during power outages to let the
fireplace insert to cool off.
Warning: The cooling exchanger (loop) the DBV cooling valve are designed to fully protect the exchanger
against overheating. Its proper operation and connection is conditioned by a cold water intake with a permanent
minimal pressure of
2 bars and temperature of up to
15°C
, i.e. the water supply must not depend on power
outages (preferably the water system). Cooling water from the cooling exchanger is drained as waste water.
Warning: We recommend installing a switch thermostat and thermostat mixing valve to prolong the
service life of the exchanger and improve the combustion in forced systems.
Securing the heating system against high pressure
We recommend using a safety valve for securing the heating system against high pressure. It is placed on the
hot water outlet from the exchanger. No closable piping may be installed between the exchanger and the safety
valve. The maximal distance of the safety valve from the source is 20xDN. The safety valve should be easily
accessible to allow regular inspection of functionality.
Installation of this safety valve is a required condition for the warranty of fireplace stoves with a warm
water exchanger.
Protecting the exchanger from low-temperature corrosion
To prevent the creation of condensate on the walls of the exchanger, it is necessary to always equip the
heating system of warm water fireplace stoves with a thermostat mixing valve, which keeps the water
temperature at the inlet to the exchanger at a minimal value of 65°C. Protection from low-temperature corrosion
will increase the service life of the exchanger. To improve the heat-up and combustion phases in forced systems,
we recommend installing a switchable thermostat for the pump.
Installation of thermostat exchanger valve is a required condition for the warranty of fireplace inserts
with a warm water exchanger.
Warning: The outlet vent must be installed in the lowest part of the heating system.
Warning:
The fireplace insert with exchanger may not be used without connection to the warm water system
and when not filled with the heat carrying medium, i.e. water or frost-resistant filling recommended for this
purpose. These fillings must adhere to norm
ČSN 07 7401/1992
(Water and steam for thermal energy
equipment) to keep a long service life.
For more information please see the information sheet available for download at www.romotop.cz:
Construction readiness for Romotop fireplace inserts , or contact us directly on our Romotop service line (see
www.romotop.cz ).
4.4 Enclosure of fireplace inserts
Special expertise is required for building the fireplace insert into the fireplace. Fireplace construction is
adjusted by norm
ČSN 73 4230/2014. Installation of fireplace inserts may only be done by reseller
authorized by Romotop spol. s r. o.
When installing and installing a fireplace insert, follow these guidelines:
1. All security and construction regulations listed above must be followed.
2. After installing the whole fireplace, the inlet and outlet of conventional air through any construction
parts must not be limited. The cross section of the inlet and outlet of convect air is listed in the technical
sheet.
3.
To augment the final appearance of the fireplace, the dimensions of the door frames exactly match the
ceramic facing produced by Romotop spol. s.r.o.
4.
The enclosure must be made of suitable, designated materials.
5. The warm conventional air outlet must be at least 30cm below the ceiling (figure 2).
6. An inflammable ceiling construction must be present above the conventional warm air outlet. Its
temperature must not exceed
50°C
. Thus, the lower ceiling must be insulated from the effects of heat coming
from the fireplace by a barrier and at least one not fully closeable grated opening (figure 2) or a sufficient
layer of heat insulation.
7.
The same requirements also hold for the walls next to the fireplace and for the floor. A ventilated air
space must remain between the heat insulation and the wall. It is recommended to glue aluminum sheets on
the surface of walls.
8.
The wall of the fireplace must not contain electric wiring and water or gas distribution pipes. The wall
nor its surface may contain flammable materials or materials which may release harmful substances when
heated.
9.
Minimal free distances must be kept between the fireplace insert and the cover (see technical sheet) for
the whole height and width of the fireplace insert, so that convect air can freely circulate and prevent the
overheating of the fireplace set.
10.
Eventual air conditioning piping must be located at least 40 cm from flammable building constructions,
or it must be documented that the heat from the piping cannot cause the construction to catch on fire. Convect
air can reach temperatures of up to
300°C
near the insert!
11. Do not forget that fireplace inserts also spread heat in the direction of the floor. The floor under the
fireplace and at a distance of at least 80cm in front of the furnace and 40cm to the sides of the furnace must
be made of an inflammable material. The distance is measured from the closer edge of the furnace. The
surface for the fireplace must have an appropriate load capacity.
12.
Do not forget that when considering the use of wooden decorative ledges, these must be made of quality
wood with a humidity of at most 15% and that convect cooling air must flow around it with a gap of at least
1cm or they must be heat-insulated from the fireplace, so that their surface temperature does not exceed
52°C.
13. When distributing hot air via natural air circulation, it is recommended to use horizontal pipes at most
4m long. When distributing hot air via forced air circulation, the length of pipes is not limited.
14.
The pipes for distributing hot air must be tight and made of a material resistant to operating
temperatures. We recommend insulating them at the whole length, especially where they traverse walls,
ceilings or around flammable materials.