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big boiler, three persons are needed. The temperature of the room where
the fitting takes place should be at least 18°C. The insulation set should
be stored at above mentioned temperature at least one hour before
operating!
In the next step both sides of the zipper have to be pulled with light
traction into the direction of the arrows shown in Fig. 4. Please take
care that the prefabricated holes stay in place and the connections are
accessible all the time.
It is important to make sure that both sides of the zipper do not remain
more than 20mm apart from each other after being fitted (Fig. 4). Now push
both sides of the zipper to the boiler and fix them on the first position. If
necessary, the insulation can be narrowed (Fig. 4) down again.
Once the insulation material has been fitted correctly and fastened with
the zipper, the foamed material is inlayed and closed with a plastic lid on
the top. Finally, rosettes can be fixed onto the connections (Fig. 4).
The insulating set should only be stored in a dry place! We cannot be held
responsible for damage because of failure to observe these instructions!
3.
CONNECTING THE SERPENTINES (HEAT EXCHANGERS) WITH
HEATING INSTALLATION USING ALTERNATIVE AND RENEWABLE
SOURCES
ATTENTION! Qualified P&P specialist and technicians must perform
all assembly works for connection to the heat sources.
The connection of the serpentines (heat exchangers) with the heating
installation should be done considering the marked outlets and inlets as
described below:
IS1 (MS) – Inlet of heat exchanger 1
OS1 (ES) – Outlet of heat exchanger 1
IS2 (M) – Inlet of heat exchanger 2
OS2 (E) - Outlet of heat exchanger 2
Make sure that the system is empty of air. The presence of air may cost
incorrect work of the boiler. Maximum temperature of the heat transfer
fluid: 110°C. Maximum pressure of the heat transfer fluid: 0.6MPa!A safety
valve inline coil heat exchanger have to be fit according to HVAC designer
requirements but its adjustment must not be higher than Pnr = 0.6MPa.
(EN 1489:2000)!
An expansion vessel according to HVAC Designer requirements must be
installed!
4.
CONNECTING BUFFERS TO THE CENTRAL HEATING LOOP.
EXAMPLES.
Buffers for central heating system are intended for heat accumulation
and stratification with subsequent distribution of heat flows with different
temperatures to the specific consumers. As an example, on Fig. 5/6/7 is
shown high and low temperature heating realized by buffer. Heat demand
is covered by gas boiler and solar collectors.
ATTENTION! The buffer is a part of a complete heating system that
must be designed and checked by specialized and authorized
personnel! The installation of a safety valve with the exact release
rate is obligatory!!! The maximum designed pressure of the buffer is 3 Bars!
Expansion vessel, calculated by the designer, is a compulsory element of
the installation!
5.
CONNECTING THE SYSTEM TO THE MAIN WATER SUPPLY NETWORK
IMPORTANT! Connecting the waterheater to the main water supply
network should be fulfilled in compliance with a project created by a
hvac designer!
A Presence of WRITTEN DOCUMENT for additional components is
required for warranty recognition! Only qualified technicians must install
this device!
Installation of the device with one heat exchanger should be done in
accordance with Fig. 6. Installation of the storage tank with two heat
exchangers should be done in accordance with Fig.7. Models with
hygienic coil only – Fig. 5.
OBLIGATORY elements of installations are:
•
Inlet pipe.
•
Main water tap.
•
Pressure regulator. When pressure in the mains is over 6 bars it is
required. In this case, the set pressure is according to the calculations of
the designer, but should be not higher than 0.5 MPa! When pressure in the
mains is under 6 bar, its presence is strongly recommended. In all cases the
presence of a pressure regulator set at 0.4 MPa is important for the proper
functioning of your device!
•
Non-return valve. Its type should be defined by HVAC designer
according to the local and European lows, standards and technical norms.
•
Safety valve. Use only safety valves inside supplied kit. For schemes
different than 5,6,7 safety valve must be defined by HVAC designer and
English
have to be in accordance with the local and European lows, standards
and technical norms. (Pnr = 0.8 МРа; EN 1489:2000). Valve dimensions acc.
to Table.3.
IMPORTANT: Between the storage tank and safety valve there must
not be any kind of stop valves or taps!
IMPORTANT: The presence of other /old/ safety valves may lead to a
breakdown of your appliance and they must be removed.
•
Safety valve drainage pipe. Must be implemented in accordance with
the local and European lows, standards and technical norms. It must
have sufficient slope for water runoff. Both ends should be open to the
atmosphere and to be secured against frost. Take safety measures against
burning when safety valve is open!. Fig. 8 a,b,c
•
Water heater drainage.
•
Drainage tap.
•
Hose.
•
Expansion vessel. In the storage tank there is no volume to accommodate
the expansion of water due to its heating. The presence of the expansion
vessel is obligatory in order not to lose water through the pressure relief
valve! Its volume and type must be defined by HVAC designer and have
to be in accordance with the system technical requirements, local and
European lows, standards and technical norms. Its installation shall be
carried out by a qualified technician in accordance with its operating
instructions. Reference data on the volume of expansion vessel could be
found in Table 4.
In order that you do not use the circulation outlet "R" and the outlets for
the temperature sensors "TS1", TS2" and "TS3" "TS4" as well as the outlet
for the heating element "EE" is necessary to put an end caps before filling
the water heater with water.
For models without heat exchanger – outlet marked with "AV" is
intended for connection of air vent device which allows removing the
air from the water tank. For long-lived service, it is advisory always to
remove completely the air from the tank!
TO FILL UP THE STORAGE TANK is necessary to open the most
distant tap, used for supplying hot water in the installation (of the
mixing-faucet) and the tap for supplying cold water near it. When the
water heater is full, from the cold water tap will continuously run water .
IN THE EVENT YOU MUST EMPTY THE STORAGE TANK , first you
must cut off its power supplies if any. The inflow of water from the
water mains must first be terminated and the most distant hot water tap
of the mixing- faucet must be opened. Open the drainage tap for full
emptying of water tank!
IMPORTANT! All of the above mentioned rules for tank connection
to water mains are in relation of your safety! They comply with
european and local regulations and are obligatory!
Manufacturer assumes no responsibility for problems resulting from
incorrect assembly of the unit to the water supply net and because of
using components with unknown origin, not with compliance to the
local and european standards!
VI.
OPERATING MODE
Before using the buffer make sure that the appliance is connected with
the heating installation in correct way and is filled with water.
VII.
PERIODIC MAINTENANCE
The manufacturer recommends preventive maintenance of your water
heater every two years by an authorized service center or service base-
(Fig.9). Each preventive maintenance of the said type must be entered
in the appliance's warranty card and must outline date of performing
the preventive maintenance, company performing the preventive
maintenance, name of person performing the preventive maintenance,
and signature.
IMPORTANT! Failure to comply with this requirement may
terminate free warranty maintenance of your buffer. The
manufacturer does not bare the responsibility for all consequences.
VIII.
INSTRUCTIONS FOR ENVIRONMENTAL PROTECTION
Old appliances contain valuable materials and because of this
should not be disposed with other products. To protect the
environment we kindly ask you to surrender them in approved
centers only!o surrender them in approved centers only!
5
Instructions for use and maintenance
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