Sime SOLIDA 8 PL User Manual

Page 1

SOLIDA 8 PL - ENGLISH

INDEX

1 OPERATION WITH WOOD AND CARBON

1.1 DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

1.2 INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

1.3 USE AND MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

2 OPERATION WITH PELLETS AND SPECIAL KIT

2.1 DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

2.2 INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

2.3 USE AND MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

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1 OPERATION WOOD AND CARBON

1.1 DESCRIPTION

1.1.1 INTRUDUCTION

The cast iron “SOLIDA 8 PL” boilers are a valid solution for the present energetic problems, since they can run with solid fuels: wood and carbon. “SOLIDA 8 PL” boilers conform to Directive PED 97/23/CEE.

1.1.2 SUPPLY

The boilers are supplied in three separate parcels: – Boiler body assembled and equipped with

loading port, ash boxes port, smoke chamber with blast gate damper, ash collection basin and thermostatic draught regulator. Bag containing: 2 handles for the ports, a screw with bakelite knob for the manual

adjustment of the blast gate damper, a contact spring for the bulb of the thermometer and the M6 lever to be fixed at the blast gate damper. “Test certificate” to be kept with the documents of the boiler. Miscellaneous accessories required to use the boiler with pellets (see Section 2 in the manual).

– Cardboard box for casing with thermo-

meter and documents bag.

1.1.3 DIMENSIONS

Fig. 1

FIXTURES M C.H. flow 2”

(UNI-ISO 7/1)

R C.H. return 2”

(UNI-ISO 7/1)

S Boiler drain 1/2”

(UNI-ISO 7/1)

Fig. 2

1.1.5 HEAD LOSSES

1.1.4 TECHNICAL FEATURES

Model SOLIDA 8 PL Carbon heat rate*

kW (kcal/h) 39,5 (34.000)

Performance class

Duration of a coal load

h * 4

Duration of a wood load

h * 2

Load volume

59,5

Minimum chimney depression

mbar 0,18

P (depth)

mm 855

L (combustion chamber depth)

mm 690

Number of elements

n° 8

Max. operating temperature

°C 95

Min. temperature of water returned to the plant

°C 50

Max working pressure

bar 4

Test pressure

bar 6

Boiler capacity

l43

Weight

kg 350

* The heat rate will be reduced with about 10% for the operation with hard wood (birch – oak – olive).

Flow rate m3/h

SOLIDA 8 PL

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1.2 INSTALLATION

1.2.1 BOILER ROOM

Check that the room has the requirements and features in accordance to the rules in force. Furthermore, the room should be aired, in order to have a regular combustion. Therefore it is necessary to practice some openings in the walls of the room, which correspond to the following requirements: – They should have a free section of at

least 6 cm

for each 1,163 kW (1000 kcal/h). The minimum opening section shouldn’t be smaller than 100 cm2. The section can also be calculated, using the following ratio:

where “S” is expressed in cm2. “Q” is expressed in kcal/h

– The opening should be situated on the

lower part of an outer wall, preferably on the opposite of the one for the combustion gas discharge.

1.2.2 CONNECTION TO THE FLUE

A flue should correspond to the following requirements: – It should be of waterproof material and

resistant to temperature of smokes and related condensations.

–

It should be of a sufficient mechanical resistance and a weak thermal conductivity.

– It should be perfectly hermetic in order

to avoid cooling of the flue.

– It should have the most possible vertical

process and the terminal part should have a static aspirator, which assures an efficient and constant discharge of the combustion product.

– In order to avoid the wind creating a very

high pressure around the chimneypot, so that it prevails on the ascensional force of the combustion gas, it is necessary that the discharge orifice hangs over at least 0,4 meters of whatever structure adjacent the chimney itself (including the roof ridge) of at least 8 meters.

–

The flue shouldn’t have a diameter inferior to the boiler connection; for flues with square or rectangular sections, the internal section should be higher than 10% compared to the boiler connection one.

– The net section of the flue can be obtai-

ned from the following ratio:

S section resulting in cm

K reduction coefficient:

– 0,045 for wood

– 0,030 for carbon P boiler capacity in kcal/h H height of the chimney in meters

measured from the flame axis at the exhaust of the chimney in the atmosphere. For the dimensioning of the flue you should consider the effective height of the chimney in meters, measured from the flame axis at the top, diminished with: – 0,50 m for each direction chan-

ging of the connection tube between boiler and flue;

– 1,00 m for each horizontal deve-

lopment meter of the connection itself.

1.2.3 CONNECTION OF THE PLANT

The connections should be easily disconnected by means of pipelines with revolving joints. It is always advisable to assemble suitable interception shutters on the piping of the heating installation.

CAUTION: It is obligatory to assemble safety valves on the system.

Plant filling

Before star ting with the connection of the boiler it is advisable to let the water circulate in the piping, in order to eliminate possible foreign bodies, which could compromise the correct operation of the appliance. The filling should be carried out slowly in order to make the air bubbles go out through the proper outlets, placed on the heating installation. The cold loading pressure of the plant and the pre-blowing pressure of the expansion tank, should correspond or however shouldn’t be inferior to the height of the static column of the plant in case of closed cir-

cuit heating installations (for example, for a static column of 5 meters, the pre-loading pressure of the tank and the loading pressure of the plant should correspond at least to a minimum value of 0,5 bar).

Features of the feed water

THE TREATMENT OF THE WATER USED FOR THE HEATING INSTALLATION IS ABSOLUTELY NECESSARY IN THE FOLLOWING CASES: – Very vast plants (with high water con-

tents).

– Frequent replenishment water inlets in

the plant.

– If the partial or total emptying of the

plant should be necessary.

1.2.4 BRAZIER GRID ASSEMBLY (optional)

In order to carry out the assembly proceed in the following way (fig. 3): – Punch the card of the outer part,

between the front head and the intermediate element, using a bit of 10 ø as indicated in the detail (B).

– Place the back grid (12) in the combu-

stion chamber.

– Place the front grid (10) and block it to

the hub (9) with the screws (8) and the nuts (7); block the front grid from the right side of the boiler body with the screws (5).

– Hook the tie rod (6) to the seats extrac-

ted from the front and rear grid. – Place the intermediate grids (11). – Introduce the ring (4) and the lever (3) on

the hub (9), fixing then everything with

the washer (2) and the screw (1).

10 0

S=K

LEGEND 1 Screw TE M8 x 10 2 Grower washer 3 Grid lever 4 Ring for lever 5 Screw TE M8 x 35 6 Tie rod 7 Nut M 10 8 Screw TE M10 x 50 9 Hub 10 Front grid 11 Intermediate grid 12 Rear grid

Fig. 3

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1.2.5

ASSEMBLY OF THE ACCESSORIES

The closing handles for the ports and the screw with the adjustment knob for the blast gate damper are supplied separately, since they could be damaged during the transport. Both the handles and the screws with knob are packed in a nylon bag, introduced inside the ash collection basin. For the assembly of the handles proceed as following (fig. 4): –

Take a handle (1), insert it in the opening of the load port (2) and introduce the roll (3) in the opening of the handle; block the handle introducing the elastic split pin (4).

– Carry out the same operation for the

handle of the ash box port.

To assemble the screw with the knob, proceed as follows (fig. 5): – Remove the screw M8 x 60, which fixes

the air blast damper to the ash box port and screw the screw with the bakelite knob (1) on, which is supplied in the packaging. Place the blind nut with cap (2) at the end of screw M 10.

– Fix lever M6 to the air blast damper (3)

placing it in a horizontal direction on the right. The lever has an opening at its end, where the chainlet of the thermostatic regulator will be connected.

1.2.6 CASING ASSEMBLY

Two superior tie rods are screwed on three nuts at the front side of the boiler: the second and the third nut serve to place correctly the lateral sides of the casing. Two nuts one to fix the clamp holders for the lateral sides are screwed on the inferior tie rods, both from the front side and from the rear side of the boiler. The assembly of the casing components has to be carried out in the following way (fig. 6): – Unscrew with some rotations the

second or third nut of each tie rod.

– Hook the left side (1) on the lower tie rod

and superior of the boiler and adjust the position of the nut and locknut of the upper tie rod.

–

Fix the lateral side in blocking the locknut.

– In order to assembly the right side (2)

proceed in the same way.

– Hook the front upper board (3) introdu-

cing the two splines in the opening, obtai-

ned on each side.

– Carry out the same operation to fix the

back lower board (4).

– The protection deflector (5) is fixed to the

control board (6) with three self-threading screws. Fix the board by means of the pressure stakes. Then unwind the capillary of the thermometer and introduce it in the lef t sheath of the posterior head, introducing the contact spring. The right sheath can be needed for the check thermometer.

– Fix the cover (7) at the lateral sides of

the boiler.

NOTE: Keep the “Test certification” together with the boiler documents in the combustion chamber.

1.2.7 DRAUGHT REGULATOR

The boilers “SOLIDA 8 PL” can assemble indif- ferently 2 types of thermostatic regulators.

NOTE:

In order to fix the lever with the chainlet in the regulator holder it is necessary to remove the deflector in aluminum,

which is assembled on the control board, by unscrewing the three screws that fix it (fig.

6).

Replace the protection deflector after

the assembling and related adjustment.

“THERMOMAT RT-C” Regulator

The “Thermomat” regulator is equipped with a thermosetting resin knob of an adjustment field from 30 to 100 °C (fig. 7). Screw the regulator on the 3/4” opening of the anterior head and orientate the red index on the upper part. The lever with the chainlet should be introduced in the regulator holder after having assembled the instrument holder board and after having removed the plastic lock. If the joint is taken out, which fixes the lever with the chainlet, take care in assembling it

LEGEND 1 Handle 2 Load port 3 Roll 4 Elastic split pin

Fig. 4

LEGEND 1 Screw with knob M10 x 70 2 Blind nut with cap 3 Blast gate damper

Fig. 5

LEGEND 1 Left side 2 Right side 3 Posterior superior board 4 Posterior inferior board 5 Protection deflector 6 Control board 7 Cover

Fig. 6

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again in the same position. After having placed the knob at 60°C, block the lever with the chainlet in a slightly inclined position downwards, so that the chainlet will be in axis with the air gate damper. For the adjustment of the “Thermomat”, which essentially consists in the determination of the chainlet length, proceed in the following way: – Place the knob at 60°C. – Switch on the boiler with opened air gate

damper.

– When the water temperature of 60° C

is reached in the boiler, fix the chainlet in such a way on the lever of the air gate damper, in order to obtain an opening of about 1 mm.

– Now the regulator is calibrated and it is

possible to choose the desired operating temperature by rotating the knob.

“REGULUS RT2” Regulator

The adjustment field is included between 30 and 90°C (fig. 8). Follow the same instructions of the “Thermomat” regulator for the assembly and the activation.

Fig. 8

1.2.8 HYDRAULIC CONNECTION DIAGRAM

Open expansion tank system

Fig. 9

“REGULUS RT2” Regulator

Fig. 7

“THERMOMAT RT-C” Regulator

LEGEND

VE Open expansion tank VS System safety valve 3 BAR - 1/2”

VM Mixing valve

VR Check valve

PI System pump IR Heating system

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1.3 USE AND MAINTENANCE

1.3.1 PRELIMINARY IGNITION CHECKS

Before the use of the boiler, it is necessary to follow the following instructions: – The installation where the boiler is con-

nected to, should be preferably with an open expansion tank (fig. 10).

– The tube, which connects the boiler to

the expansion tank, should have an adequate diameter according to the norms in force.

– The heating pump should always be run-

ning during the operation of the boiler.

– A possible ambient thermostat should

never interrupt the pump operation.

– If the installation is equipped with a 3 or

4 ways mixing valve, it should always be placed in the opening position toward the installation.

– Be assure that the draught regulator

works regularly and that there aren’t impediments, which block the automatic operation of the air gate damper.

1.3.2 CLEANING

The cleaning should be carried out with a certain frequency providing besides the cleaning of the smoke passages, also the cleaning of the ash box, removing the ashes, which are contained in the collection basin. Use a proper pull-through for the cleaning of the smoke passages (fig. 11).

1.3.3 MAINTENANCE

Do not perform any maintenance work, dismantling or removal of parts without properly emptying the boiler first. The boiler must not be emptied when the water is hot.

CAUTION: The safety valve on the system must be inspected by technically qualified personnel every five years. If the system is completely emptied and remains unused for some time, the safety valve must be inspected before it is used

again. If the safety valve should malfunction and cannot be re-calibrated, replace it with a new 1/2” valve calibrated to 3 BAR and conforming with Directive PED 97/23/CEE.

Fig. 10

Closed expansion tank system with heat exchanger and optional thermostat valve

Fig. 9/a

LEGEND

VE Expansion tank VS System safety valve 3 BAR - 1/2”

VM Mixing valve

VR Check valve

PI System pump

IR Heating system VT Thermostat valve SC Safety exchanger

F Filter

CAUTION: The safety exchanger is supplied in an optional kit code 8105200. Temperature of the water supplied to the safety heat exchanger: 10°C. Pressure of the water supplied to the safety heat exchanger: 2 bar.

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2.1 DESCRIPTION

2.1.1 INTRODUCTION

SOLIDA 8 PL boilers can be converted in

order to be used with pellets. In this case it is however necessary to separately order the special Pellet kit 200

(Code 8075910), 300 (Code 8075911) or 500 (Code 8075912), which includes:

- Two-stage burner.

- Pellet feeder with motor and volute.

- Painted pellet container (with capacities ranging from 200 to 500 dm

- Electronic control panel for the automatic burner adjustment.

The burner complies with Class 3 in accordance with EN 303-5.

To obtain an efficient performances, it is advisable to use pellets that have been certified by an authorized body (the characteristics of the pellets used by boiler SOLIDA 8 PL are specified in standard DIN plus).

2 OPERATION WITH PELLETS AND SPECIAL KIT

2.1.2 DIMENSIONS

Fig. 12

2.1.3 TECHNICAL FEATURES

Model S

OLIDA 8 PL Heat output nominal kW 26,28 Heat output minimum kW 7,88

Heat input nominal kW 30,54 Heat input minimum kW 9,96

Efficiency maximum % 86,0 Efficiency minimum % 79,1

Classification of the boiler

Class 3

CO mg/m3to 10% of O2 to heat output nominal 154,0 CO mg/m3to 10% of O2 to heat output minumum 2114,6 OGC mg/m3to 10% of O2 to heat output nominal 1,7 OGC mg/m3to 10% of O2 to heat output minumum 25,9 G mg/m3to 10% of O2 to heat output nominal 15 ,11 G mg/m3to 10% of O2 to heat output minumum ----

Dimensions of the 200 dm3pallet container H1081

L440

Dimensions of the 300 dm

pallet container H1381

L440

Dimensions of the 500 dm3pallet container H1481

L640

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2.2 INSTALLATION

2.2.1 CONFIGURATION OF THE BOILER FOR THE USE WITH PELLETS AND OPTIONAL KIT

A) Remove the blind flange in cast iron and disassemble the grille, hinge and hake along with the setting screws.

B) Assemble the four baffles supplied, pushing the first deflector against the rear head of the boiler and then the others.

C) Disassemble the boiler thermostatic valve, if present, and close the hole with the cap supplied. Disassemble also the boiler thermometer, if fit-

ted, and close the hole on the front piece with the plastic cap supplied.

Fig. 13: Disassembly of blind flange

Fig. 13.1: Disassembly of grille

Fig. 13.2: Assembly of baffle

Fig. 13.3: Assembly of baffle

Fig. 13.4: Assembly of cap

Fig. 13.5: Closing the front piece

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D) Block the inlet port if the boiler has already been used with wood or coal.

E) Insert the micro pressing pin into the hole on the combustion chamber door and adjust its projection with nut M6.

F) Insert the hard-wired safety microswitch into the hole on the left side of the mantle. Adjust the projection using the hex jam nuts. Check the

operation after assembly.

G) Assemble the two-stage burner fixing it onto the flange by means of the previously disassembled nuts in order to remove the blind flange in

cast iron. Assemble the flame baf fle.

Fig. 13.6: Inlet port

Fig. 13.7: Assembly of micro pressing pin

Fig. 13.8: Pin closing position

Fig. 13.9: Assembly of microswitch

Fig. 13.10: Microswitch position

Fig. 13.11: Assembly of burner

Fig. 13.12: Assembly of flame baffle

27/28 mm

7 mm

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H) Assemble the control panel after inserting the probes and the microswitch cable into the hole on the mantle cover. Remove the control panel

cover and reassemble the cover after fixing the panel to the cover.

I) Apply the fiber glass insulation, supplied to protect the cables, on the boiler body. Then, insert the probes into the sleeve on the rear head and

connect the micro-switch cable. To protect the micro-switch cable, always verify that is it positioned inside the bend on the side of the mantle. Close the mantle cover.

L) Connect the power supply line and plant pump before assembling the cable straps.

Fig. 13.16: Insertion of the probes into the sheath

Fig. 13.17: Microswitch wiring

Fig. 13.13: Hole on cover

Fig. 13.15: Control panel cover

Fig. 13.14: Fixing of control panel

Fig. 13.18: Power supply

Fig. 13.19: Cable straps

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M) Assemble the pellet container (with a capacity of 200 - 500 dm3) on the right of the boiler, in support to the boiler and align its front section.

Fig. 13.20: Assembly of the elements of the pellet container

Tie rods

Only for 500 dm

containers

4 x

2 x

6 x

)

6 x (500 dm

4 x (200-300 dm

2 x

5 x

2 x

)

10 x (500 dm

8 x (200-300 dm

4 x

2 x

Tiranti solo

per contenitore

da 500 dm

5 x

4 x

)

10 x (500 dm

8 x (200-300 dm

TCB M5x12 (66 x)

Mod. 500 dm

TCB M5x12 (54 x)

Mod. 200-300 dm

)

6 x (500 dm

4 x (200-300 dm

TCB 7SPx3/8” (4 x)

TCB M6x8 (2 x)

TCB 7SPx3/8” (4 x)

TCB M6x8 (2 x)

TSP M5x20 (8 x)

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N) Push the feeder volute with the motor into its slot inside the pellet container (with a 200 -500 dm3capacity) until its stops, and verify that the

bucket is pointing upwards. Fix the volute onto the container using the screws that are already available on the container.

O) Connect the 10 pole connector (JB) on the control panel to the burner, safety sensor and to the volute motor power plug.

P) Assemble the burner motor verifying that it is correctly connected to the safety sensor.

M) Connect the flexible self-extinguishing pipe with the straps to the burner and pellet feeding volute. Verify that the tube is fully stretched to pre-

vent it from blocking the pellets.

Fig. 13.21: Insertion of the volute into the pellet container

Fig. 13.22: Volute fixing

Fig. 13.23: Assembly of connector JB

Fig. 13.25: Volute motor plug

Fig. 13.24: Connection of sensor

Fig. 13.26: Assembly of burner cover

Fig. 13.27: Checking the sensor connection

Fig. 13.28: Fixing the lower section of the flexible tube

Fig. 13.29: Fixing the upper section of the flexible tube

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2.2.2 BURNER’S DESCRIPTION

LEGEND 1 Borner’s body

(air ducts and pellets loading) 2Fan 3 Fire place body 4 Electric coil support 5 Grate with electric coil 6 Fire grate (removable for cleaning) 7 Male plug (interface from display to

burner’s devices) 8 Fotoresistance 9 Pellet’s estrance (safety sensor on the

pellet’s inlet tube)

Fig. 14

2.2.3 BOILER AND PELLET CONTAINER ASSEMBLY

Fig. 15

Pellet container with a

200 - 500 dm3capacity

Feeder with volute motor

Control panel

Self-extinguishing pipe

Burner

Boiler SOLIDA 8 PL

Screw

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2.3 USE AND MAINTENANCE

2.3.1 CONTROL PANEL

123456789

101112131415

LEGEND 1 Led screw ON 2 Fan led 3 Pump led 4 Boiler led 5 Flame led 6 Pump active/winter 7 Electric coil led

8 Pump not active/summer 9 Display 10 Manual rearmament thermostat 11 ON/OFF key 12 Winter/summer key 13 Screw/set key 14 Menu key 15 Main switch

Fig. 16

Buttons Button 5 sec pressed button One click function (+) ON/OFF System ON/System OFF

Into the menu it allows to increase the parameters value

By pressing it only once it will

(--) switch from summer to winter Onto the menu it allows to decrease the parameters value

operation and to the contrary

By pressing the key it’s possible to manually load the feeding screw.

This operation is allowed only when boiler’s off.

SET When manual loading is active the display shows “Load”.

By releasing the key the loading stops. The load has happened when the material begins to come down

from the self-extinguishing pipe, to this point to leave endured the push-button.

Into the Menu it shows code/value parameters.

MENU This key allows to regulate boiler’s thermostat

NOTE:

• When the unit is off, by pressing the key ON/+ o quello OFF/– when an alert is shown it’s possible to reset alert. If the alert still is

active, the display shows it again.

• During the setting of the system it’s, the display may shows the current flame luminosity.

– By pressing in the same time keys + and – 5 sec, the display will shows the flame luminosity. – The data will be shown for 5 sec and the display shows the current data again.

2.3.2 BUTTONS CONTROL PANEL

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2.3.4 DISPLAY CONTROL PANEL 2.3.5 MENU

The parameters of the regulator are programmable by using the

menu.

Two menu levels are at disposal: user menu and protected menu.

User menu:

Accessible by pressing menu key on the control panel. It allows to see

the set temperature in the boiler, which’s value can be changed from

a min of 60°C and a max of 85°C, by pressing the keys + and –.

- The data will be automatically recorded after 20 sec. without to touch any key or by pressing again the key MENU.

2.3.6 OPERATION

Introduction

The control panel regulates the working of the unit SOLIDA 8 PL, allowing automatic ignition and feeding of the fuel by the screw motor, drawing pellet directely from the container. A photoresistance controls the flame and a sensor controls the water temperature in the boiler. The setting of all the parameters determinates the operation of the system. Theese parameters are included in a special menu reserved to qualified personnel.

Operation conditions

Before ignition fill the screw tube with pellet by using the key “set”:

A) Condition off: display OFF.

This condition is reached afther the blowingout phase.

B) Check-up condition: display Chc.

it cleans the combustion chamber before ignition.

LED Sigla Description Default Minimum Maximum

value value value

Boiler TH - Boiler 80 °C 60°C 88°C

CALDAIA thermostat

DISPLAY MESSAGES

Temperatura/State/Allarm

The 3 digit display shows the water temperature in the boiler, the

state of the system and the possible alarms.

OFF Off

Chc Check up

Acc Ignition

Stb Stabilization

nor Normal

rEc Ignition recovering

Mod Modulation

MAn Stand - by

Sic Safety

Spe On put out

ALt Allarm present

In case any error occurs, taking the boiler to the blowing - out, the

display shows an alternance of the messages “Alt” - “Spe” (indica-

ting the boiler’s blow-out), the error cause and the boiler’s tempe-

rature. The shown messages are the following:

Action of the manual

TSi rearmament safety thermostat

on boiler’s temperature

TPE Action of the manual rearmament safety

thermostat. On pellet’s inlet tube

Sic Overheating error readed by

the e-board

Acc Ignition failed

SPA Occasional blowing - out

See Cap 2.3.8 troubleshooting and fixes

2.3.3 LED CONTROL PANEL

LED’s

Description On Flashing Off

LED 1 Feeding screw on - Fellin screw off

Screw

LED 2 Fan on - Fan off

Fan

LED 3 System pump on System pump set off System pump off

Pump by room thermostat

LED 4 Boiler’s temperature lower Burner’s modulating Temperature higher

Boiler than “boiler thermostat - delta than “boiler’s termostat”

modulation”

LED 5 Flame luminosity readed Burner’s on Flame luminosity not readed

Flame blowing - out phase

LED 6 System pump actived - System pump not actived

Winter

LED 7 Ignition coil on - Ignition coil off

Electric coil

LED 8 System pump not actived System pump actived

Summer

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C) Ignition condition: display Acc.

It is divided in three phases:

Pre-heating of electric coil

: increasing

coil temperature befor pellet’s feeding.

Fixed ignition

: it serves to feed the

usefull quantity of pellet for the ignition.

Variable ignition

: It servs to start and makes the flame stronger befor the passage to the next phases.

D) Stabilization condition: display Stb.

It servs to adjust the combustion befor to get into the normal operation.

E) Normal operation: display shows boi-

ler’s temperature. This phase is active after stb condition.

F) Modulation condition: display Mod.

This phase serv to reduce the power of the burner before to reach the setboiler’s temperature TH-CALDAIA. Default of delta-mod is set on 5°C.

G) Mainteinance condition: display MAn.

This phese is active when the boilers temperature is higher than “th-caldaia” and it is divided in three phases:

Blowing - out

: it servers to blow out the flame and to decrease the residual heat till the flame luminosity is lower than th-off.

Final - cleaning

: it servers to clean - up

the fire grate.

Maintenance

: waiting phase of the

system.

H) Ignition recovering: display Rec.

This phase is active when ignition is interrupted.

I) Safety operation: display Sic.

It signals and controls safety conditions of the system.

L) Blowing - out condition: display SPE.

It enables when you manually switch the boiler off or if an alarm occurs (automatic shutdown). Divided in two phases:

Blowing-out

: it servers to blow-out the flame and to decrease the residual heat till the flame luminosity is lower than the set value TH-OFF.

Final cleaning

: it servers to clean-up

the fire grate.

M) Overtemperature alarm: display Alt -

tSi.

This message displays when mechanical thermostat with manual reset feature, located inside the control panel control box, triggers. It electrically interrupts the power supplied to the burner if the temperature of the water inside the boiler reaches 95°C.

As soon as the temperature lowers, it is

necessary to reset the thermostat in order to restart the burner, by loosening the cap and pressing the button.

N) Overtemperature alarm on pellet inlet

connection: display Alt - tPE. Even the pellet inlet tube is fitted with a

contact thermostat, which can be manually reset and that stops the pellet from being fed when the temperature inside the tube reaches 90°C.

O) Accidental shutdown alarm: display Alt-

SPA.

This message displays when there is no fuel in the burner.

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2.3.7 ELECTRICAL CONNECTION DIAGRAM

10 POLES CONNECTOR FROM BOILER’S

ELECTRONIC PANEL TO THE BURNER (JB)

Connecting the power supply respect polarity (LINEA 220 V)

It’s important to respect the polarity of the main connection to avoid pellets burners electronic devices malfunctioning.

Fig. 17

BOILER’S BODY

BURNER’S BODY

ELECTRONIC

BOARD - DISPLAY

(SY325)

PROTECTION CABLE

IGNITION COIL IGNITION 1000 W

FAN FOR PRIMARY COMBUSTION AIR

PHOTORESISTANCE

MANUAL RESR. SAFETY THERMOSTAT ON PELLET INLET TUBE

FEEDING SCREWS PLUG

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Fig. 18

2.3.8 WIRING DIAGRAM

BOILER THERMOSTAT (OPTIONAL)

ROOM THERMOSTAT (OPTIONAL)

MICROSWITCH DOOR

NTC100K

BOILER

TEMPERATURE

PROBE

SAFETY THERMOSTAT IN PELLET COMPARTMENT WITH MANUAL RESET FEATURE

PHOTO-RESISTANCE

POWER PLUG

MAIN SWITCH

FAN FOR MAIN COMBUSTIVE AIR (BURNER)

MAX. THERMOSTAT WITH MANUAL RESET FEATURE

VOLUTE

IGNITION PLUG 1000 W

C.H. PUMP

RECIRCULATING/BOILER PUMP (OPTIONAL)

FUSE 5A TYPE DELAYED

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PROBLEM DISPLAY FIX

Alt +

The burner is Alt + The safety thermostat has switched off because blocked tSic the water boiler temperature has exceeded the

(pos. 10, fig. 15) and press the reset button, with temperature < 90°C.

Check the working of the system pump, es. summer function active and boiler temperature set over 80°C.

System water does’nt circulate well (air inside the system)

Wrong closing of shutter.

The burner was stopped Alt + Abnormal blow-out: make sure that the pellets and doesen‘t restart SPAc charging screw is full of pellets and that the

combustible tank is not empty.

Control than the photoresistor are cleaned in front.

The burner was Alt + Pellet locked in the slide at the botton of the stopped and doesen’t SPAc burner and in the self-extinguishing pipe: low restart. quality pellet. When heated, it tends to stick and Flexible tube full of pellet to stop flowing.

Pellet locked in the self-extinguishing pipe. Check that the pipe is well streched and properly slanting. If necessary, move the pellet container.

The burner PUFF External contact “puffer thermostat” for the doesen’t start remote stop of the burner active.

The automatic pellets By the “SET” key when “OFF” is displayed, check charging doesen’t the manual running of the screw. work (1)

Check the feeling screw’s plung (JC) and the 10 poles connector (JB) are well connected.

Check that the LED showing the screw operation is on.

Check if the feeling screw is in the right position.

Remove sawdust and powder from the button of the pellet’s container.

Check the pellet’s way is right.

2.3.9 TROUBLESHOOTING AND CORRECTIVE ACTIONS

Before calling the technical support, take note of the serial number specified on the nameplate of the unit.

Faults are sometimes signaled by a message that provides information on the related cause. The occurrence of an alarm causes the burner to shutdown (SPE).

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The automatic pellets Alt + The pellet’s safety sensor shut-off: remove the charging doesen’t work (2) tPEL connector and make the manual rearmament (it

is released at 90°). Check the reason of temperature resing is this position (cleaning, burner full of ash, dirty smoke duct or chimney depression not correct).

Breakage of the safety sensor on the inlet of the pellet chamber or electric contact of said sensor interruptes along its line to the central unit.

Ignition doesen’t take Alt + Check the cleaning of the photocell on the burner place after the second ACCF on the burner. attempt

Check the ignition coil is working.

Check the pellet’s quantity loaded for the ignition. Pellet must cover at least 50% of the diagonal grid on the back of the burner’s combustion chamber.

Check the primary fan working.

Check the cleaning of the burner’s grid.

The boiler is Alt + The electronic coil reed a temperature over temporary blocked SIC 95°C. Check the working of the system pump (she

is forced in this moment). N.B. the alarm is automatically reset when the boiler’s temperature decrease.

‘Summer’ function active and water temp. In the boiler set over 80°C: decrease this set point.

The system water does ‘nt circulate well. Air into the system.

In pellet mode The size of the boiler is not correct for the system the boiler doesn’t reach to which it is connected, or the thermal flywheel the set temperature is too large. Close the system at the start to allow and it does’nt keep 60°C for the thorough warming up of the accumulator.

Insufficient pellet capacity:

- Check the screw position and the capacity

- Pellet quality or sizing causing anomalies in the capacity.

Mixing valve not present into the heating circuit

The main switch’s Electronic board’s fuse burned-off:exange it les is ‘on’ but the with a fuse of the same Ampere type delayed. elboard does’nt start.

The main switch Check the 220V electricity feeding and the does’t light on connection of his plug.

Broken led.

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The system pump Check if the summer function is active. doesn’t work

Check the right plug-in.

The pump can be blocked, burned-off or air into the system.

Enabling from ambient thermostat missing (or the bridging on the plug - in case the termostat is not available - is missing - in this case the pump led is flashing).

The burner get dirty Low quality pellet (too dusty pellet or excess of very quickly bark and of mineral residuals, hampring the,

automatic removal during the cleaning).

Underpressure is not eneugh.

Pellet’s diameter <> 6mm.

Smokes loss Check the right closing of the front doors and of (pellet mode) the top cover.

Check the burner’s seal is well fastened to the door.

Check the right connection between boiler’s smokes outlet and the chimney.

Pellet stops into the Check the right position flexible tube

Too much sawdust. Clean it.

Low quality pellet which tends to stick to the coilholder slide thus hampering the descent.

Primari fan stop Set boiler’s temperature is reached (MAnt).

Boiler’s OFF.

The fan is blocked or broken: contact the nearest service center.

Door open (Por) (only on boiler’s prepared for this.

The pellet descent Action of the safety system (melting of the pipe) self-extinguishing to physically separate the pellet storing chamber pipe has melted. from the burner in case of back-fire.

Always replace the pipe with a self-extinguishing pipe to avoid affecting the safety device described above.

Underpressure is not enought into the chimeny.

Low quality pellet obstructing the burner.

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2.3.10 CLEANING (FIG. 19)

Cleaning operations must be carried out at regular intervals and only when the boiler is cold. Combustion residuals collect in the removable drawer that must be emptied before starting the boiler. To remove all combustion residuals, use an ordinary aspirator and verify that all the ashes inside the combustion chamber have been completely removed. The aspirator can also be used to clean the pellet grille. To clean the fume ducts inside the boiler body, use a wiper.

ATTENTION: if the generator is switched off for long periods of time (above 15 days), it is necessary to empty the 200 500 dm

pellet container in order to prevent the pellets from absorbing excessive humidity, which could affect the operation of the boiler. A high amount of humidity in the pellets could cause them to pulverize, increase the amount of residuals in the brazier and obstruct the pellet feeding system.

2.3.11 ANNUAL MAINTENANCE

For optimum performance, it is advisable to have the boiler inspected accurately and thoroughly by qualified personnel at least once every season. Before performing maintenance operations, verify that the boiler is cold and has been disconnected from the mains.

Fig. 19

Removable drawer

Pellet grille