Astra H-25 ES Manual Of Installation And Exploitation - Page 3

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Power of the boiler (temperature of a heat carrier) is controlled automatically by a thermo-

regulator, by turning on or off a ventilator (ventilators) of the air inlet into combustion chambers;

and by a traction regulator, by closing or opening air supply opening cap of the ventilator.

Long load combustion period.

Control of the volume of air supplied to the upper and lower chambers of combustion

Complete fuel combustion ensures cost-efficient fuel exploitation.

Ashes might be removed only 1-2 times per week.

3. TRANSPORTATION, STORAGE, UNPACKING, PREPARATION TO EXPLOITATION

Heating boiler should be carefully loaded, unloaded and transported, suffering no big impacts. The

boiler can be transported only in a vertical position, fastened in order to avoid sliding and falling. If the boiler is

transported in other than vertical position, decorative surfaces may be damaged, tins battered, control and

regulation equipment broken, built-in ceramic kindling details may fall down and splinter.

The boiler should be stored also in a vertical position. It is not allowed to put one boiler on another,

as a safety-packaging frame is not designed for this purpose. The boiler should be stored in closed space

protected from atmospheric precipitations. Air humidity of the room should not exceed 80% in order to avoid

condensate (dew) forming on the surfaces of the boiler. Storage temperature may vary from -40 ºC to +60 ºC.

If the boiler was transported or stored in minus temperatures, then before it is kindled, it should be

kept in plus temperature no less than for 2 hours (for the order and requirements of the first kindling see section

6 of this passport).

After the heating boiler is delivered to the site, take off the packing frame and polyethylene film and

unscrew bolts of boiler fastening to the packaging base. Take off the boiler from the packaging base.

WARNING! Opening the doors of the boiler, check, if all tools listed in the section "THE BOILER

KIT" are there. Check, if painted surfaces haven't been damaged, components – not battered, control and

regulation equipment – not broken during transportation.

If notice any inadequacies of the listed above, lay your claims to the transportation or vendor company.

The kit consists of:

1. Boiler

2. Poker

3. Scraper

4. Guidebook for exploitation

6. Leg

These boilers of solid fuel are boilers of complete loading. For this reason they reach the highest

effectiveness when they are working at the nominal power and due to this the boilers must be equipped with

the accumulation tank of sufficient size which could accumulate the excessive heat volume.

Recommended capacity of the accumulation tank is about 50 liters for 1 kW of nominal power of

boiler:

Model of boiler

Required volume of

accumulation tank , liters

The boiler has to be exploited only with the installed emergency cooling system.

Description of the connection scheme of the emergency cooling serpentine (see Fig. No.4).

Thermostatic safety valve protects the boiler form the overheating. If the water temperature in the boiler

exceeds 95

C the valve automatically opens the flow of water from the water supply system through the cooling

serpentine. This water absorbs the excessive heat energy and flows out. Sensor of valve with the external

thread ½" is screwed in the socket on the rear wall of the boiler.

Technical data of the thermostatic safety valve :

Opening temperature

Highest working temperature

Working pressure

Pipe of sensor L=142 mm, external thread ½"

ATTENTION ! The system of the emergency cooling of the boiler can not be used for the heating

of water.

1 unit

4 units

5. INSTALLATION

ASTRA H-25 ES

ASTRA H-31,5 ES

900

97±2

110

10 bar

ASTRA H-45 ES

1500

1800

3 |

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