5
Chimney - positioning and distance
7. INSTALLING SOLID FUEL IN WATER HEATING SYSTEM
Installing of the solid fuel should be performed by a qualified person according to the appropriate project.
The solid fuel is intended for floor and central heating.
It can be installed in closed and open heating system. Adhere to the regulations JUS M.E7.201 and JUS M.E7.202.
Diagrams of closed and open system are shown on fig.7 and fig.8.
The back of the boiler and connections are shown in Fig. 4 where:
Figure 3
- Item 1 is an R1" connection with an outer thread for the flow pipe,
- Item 2 is an R 1" connection with an outer thread for the return pipe,
- Item 3 is an R1/2" connection with an inner thread for installation of the thermal valve safety pipe,
- Item 4 is an R1/2" connection with an inner thread for safety valve installation.
7.1. DISCHARGE AND RETURN LINE (fig.4 pos.1 and 2 and fig.7 and fig.8
pos.3 and 10)
The outlets of the discharge and return water of the boiler are 1" and they must not be reduced, that is, narrowed up to the
first bifurcations. Use steel pipe 1" or copper pipe with external diameter F28mm. (or bigger diameter).
When performing the installation, strictly pay attention to the pipe slopes which should be 0,5% (5mm. per meter of pipe)
and to the system venting (boiler, pipes, radiators).
On the discharge line you may set thermal-manometer although thermometer and manometer are mounted on the front
side.
Set a “by-pass” on the return line with a pump, expansion vessel and valve for filling and draining the system. When
mounting the pump, pay attention to the pump direction.
Warning:
Make a "by-pass" only if there are conditions for so called gravitational heating.
7.2. THERMAL VALVE WITH BUILT-IN THERMAL PROTECTION AND
ADDITIONAL ELEMENTS FOR CONNECTION
To install thermal valve it is necessary to purchase and install:
1. Thermal valve with built-in thermal protection type 544, 1/2", product Caleffi (Fig. 7a) and Fig. 7, Item 13.
2. Slope pressure regulator with manometer 1/2", the same or similar as shown in Fig. 7b and Fig. 7, Item 19.
3. Filter for cold water at the input of the water supply to the thermal valve, Fig. 7, Item 20
4. Filter for hot - boiling water intake of the boiler and water outlet of thermal valve, Fig. 7, Item 21.
Note:
These components are not included with product for central heating you bought!
Installation of thermal valve with built-in thermal protection (Fig. 7, Item 13 and Fig. 7a) with additional elements ensuring
safe operation, such as pressure regulator (Fig. 7, Item 19 and Fig. 7b). Water filter on the boiler intake (Fig. 7, item 20) and
water filter on the boiler outlet in closed central heating system is MANDATORY. This specially refers to a closed system,
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