Centrometal EKO-CKB P 20 Guida rapida

TUCKBP-08-2017-E-N-eng

EKO-CKB P

HEATING TECHNIQUE

Centrometal d.o.o. - Glavna 12, 40306 Macinec, Croatia, tel: +385 40 372 600, fax: +385 40 372 611

TECHNICAL INSTRUCTIONS

for installation, use and maintenance

of hot water boiler

and installation of additional equipment

2Technical instructions EKO-CKB P

Technical data

TECHNICAL DATA

EKO-

CKB P 50

(D)

(E)

(F)

(mm)

1280

1140

1746

(A)

(B)

(C)

TYPE

(mm)

EKO-

CKB P 20

EKO-

CKB P 25

EKO-

CKB P 30

EKO-

CKB P 35

EKO-

CKB P 40

EKO-

CKB P 20

EKO-

CKB P 25

EKO-

CKB P 30

EKO-

CKB P 35

EKO-

CKB P 40

EKO-

CKB P 50

4,2-14

170

0,011

0,294

15,6

75,4/330

89,3

985

515

1610

271

150

wood pellets

max.12

overpressure

by EN 303-5 point 4.2.5

250

230

2,5

5,5

5/4"

1/2"

6-20

170

0,015

0,42

22,2

80/330

95,5

1020

515

1610

281

150

7,5-25

170

0,018

0,368

27,8

92,5/330

110,3

1020

565

1610

303

160

9-30

170

0,023

0,63

33,33

105/330

125,2

1020

615

1610

322

160

10,5-35

106

170

0,027

0,735

38,88

116/330

140

1020

665

1610

343

180

12-40

118

180

0,031

0,84

44,44

161/330

172

1142

665

1610

375

100

180

1280

1140

1746

1280

1190

1746

1280

1240

1746

1280

1290

1746

1440

1290

1746

f6 x max.50

Fuel size

Boiler

dimensions

with casing

Lenght

Width

Height

Boiler

connections

Flow and return pipe (male thread)

Charge/discharge (female thread)

Heat exchanger connector (male thread)

Hot san. water, Cold san. water

Circulation (female thread)

Total system dimensions

Total length

Total width

Total height

Nominal heat output

Heat output range

Boiler class

Required chimney underpressure

Water amount in boiler

Exhaust gas temperature at nominal heat output

Exhaust gas temperature at minimum heat output

Exhaust mass flow at nominal heat output

Exhaust mass flow at minimum heat output

Standby heat losses

Boiler resistance on water side at nominal output

Fuel type

Maximum heat input

Fuel moisture content

Firebox volume /tank volume

Combustion chamber dimensions

Combustion chamber volume

Combustion chamber type

Required minimum accumulation next to boiler

Electrical power input

Supply voltage

Frequency

Current type

Boiler body mass

Total mass - (boiler with casing and accessories)

DHW tank volume

Max. operating overpressure

Test pressure

Max. operating temperature

Uptake tube - external diameter

Number of turbulators

(kW)

(Pa)

(lit.)

(°C)

(kg/s)

(kW)

(mbar)

(kW)

(%)

(l)

(mm)

(l)

(lit./kW)

(W)

(V~)

(Hz)

(mm)

(kg)

(lit.)

(bar)

(°C)

(mm)

(R)

(pcs)

3/4"(R)

321x506x550 321x541x550 371x541x550 421x541x550 471x541x550 471x664x550

Dimensions

Technical instructions EKO-CKB P

08:42

OF F

PVV

PRA

PVL

PVV

NOTE:

The boiler EKO-CKB P with equipment for wood pellets firing (Cm Pelet-set)

P e l l e t t a n k C P S P

can be positioned on

the left side of the boiler

(in this case is necessary

to turn supply tube

for pellet loading on the

burner CD for 180°).

OCB

STO

PVL

OTV

LEGENDE:

1- Boiler EKO-CKB P

2- Pellet burner CPPL

3- Pellet control unit CPREG

4- Pellet tank CPSP

5- Feeder screw CPPT

Cm Pelet-set:

PRA

PVV

PVL

STO

OCB

Cold domestic water

Lower boiler door

Upper boiler door

Thermometer

Filling / drainage

Outlet line

Cleaning opening

Chimney connection

Inlet line

Tube for temerature sensors

Plastic flexible pipe

Socket of the pump thermostat

Pump thermostat

Poker

Scraper

Cleaning brush

Supply tube for pellet loading

Opening for cleaning the built in

hot water heater

OTV

Security line

Place for installation

the sensor of thermal valve

(not used on boiler with installed

Cm Pelet-set)

Hot domestic water

Circulation line

General, boiler description, delivery, additional equipment

1.0. GENERAL

The boiler EKO-CKB P is steel hot water boiler with built-in stainless steel sanitary water DHW

tank. The combustion chamber has a large heating surface and low combustion chamber

resistance. Boiler cleaning is very simple and it is possible to clean it from the front side.

1.1. BOILER DESCRIPTION

1.2. DELIVERY STATE

1.3. OBLIGATORY ADDITIONAL EQUIPMENT OF THE BOILER

EKO-CKB P FOR WOODEN PELLETS FIRING

1. For boilers: EKO-CKB P 20

- pellet burner CPPL-14 digital boiler control unit CPREG for pellet burner

CPPL-14

- pellet tank CPSP

- pellet feeder CPPT

2. For boilers: EKO-CKB P 25, EKO-CKB P 30, EKO-CKB P 35 and

EKO-CKB P 40

- pellet burner CPPL-35, digital boiler control unit CPREG for pellet burner

CPPL-35

- pellet tank CPSP

- pellet feeder CPPT

3. For boilers: EKO-CKB P 50

- pellet burner CPPL-50, digital boiler control unit CPREG for pellet burner

CPPL-50

- pellet tank CPSP

- pellet feeder CPPT-50

The boiler EKO-CKB P has a modern construction and design and is made out of the

controlled materials of high quality, welded with most modern technology and is approved and

tested under EN 303 - 5 norm and fulfil all special request for the connection on the installation of a

central heating system.

The boiler with boiler door is delivered on a wooden pallet, with turbulators in combustion chamber,

cleaning accessoris (poker, scraper and holder for cleaning accssories) and set (sheet metal

screws, screws and plug).

Technical instructions EKO-CKB P

Boiler positioning and assembly

2.0. BOILER POSITIONING AND ASSEMBLY

Pellet control unit CPREG

Pellet feeder CPPT

Pellet tank CPSP

Chimney

Boiler EKO-CKB P

Pellet burner CPPL

Legend:

Boiler positioning and assembly and building in must be performed by a qualified person. We

recommend that boiler is placed on a concrete base having height of 50 to 100 mm above the floor.

Boiler room must be frost-proof and well ventilated. Boiler has to be positioned so that it can be

properly connected to the chimney (see point 4.0) and simultaneously, enabling tending of boiler

and additional equipment, control during operation, and cleaning and maintenance (see Figure 1).

WARNING!

Flammable items must not be placed on the boiler and within the safety distances shown in

Figure 1.

Figure 1. Minimum distance from the room walls

min. 1000 mm

min. 1500 mm

min. 100 mm

min. 300 mm

max. 600 mm

min. 750 mm

Technical instructions EKO-CKB P

Changing of door opening direction

2.1 CHANGING OF DOOR OPENING DIRECTION

Lower boiler door which opens

to the right side (default).

Figure 2. Figure 3.

Lower boiler door readjusted for opens

to the left side.

Handle

Microswitch breaker

Hinge

Handle latch holder

(on the boiler)

Only on lower boiler door.

Figure 4. Universally door parts needed to install on opposite side to change the door

opening direction

Upper and lower boiler door are factory designed so that it can be changed opening direction to left

or right side. Opening direction can be changed. It is neccesary to change positions of universally

parts responsible for direction of door opening. Universally parts are shown in ﬁgure 4. Handle,

hinge and handle latch holder are universlly parts which holde upper and lower boiler door. Lower

boiler door have one additional piece (microswitch breaker) which position must be changed. Door

are default mounted to open on right side. On page 7 are shown how to change direction of door

opening on lef side.

Procedure are same for upper and lower boiler door except microswitch on lower boiler door.

Technical instructions EKO-CKB P

Changing of door opening direction

The procces of converting factory delivered lower boiler door with right opening

direction (default) to door with left opening direction.

1. Removing door from boiler and remove universally parts from door

Unscrew two screws (5) and remove door from boiler. Strike out elastic pins and remove handle (1)

and hinge (2) from boiler door. Unscrew screw (8) and remove microswitch breaker (4).

2. Installing universally parts to the other side

Move handle (1) as shown in Figure and fasten it with elastic pin (6). Move hinge (2) as shown in

Figure and fasten it with 2 elastic pins (7). Move microswitch breaker (4) and fasten it with screw (8).

3. Installing of handle latch holder and door to boiler

Handle latch holder must be rotated

on position with slot up.

Unscrew two screws (9) and take out handle latch holder (3). Put handle latch holder as shown

in Figure (must be rotated on position with slot up). Handle latch holder is always on the the

side wher is handle. Put door on the boiler and fasten it with screws (5).

Technical instructions EKO-CKB P

Opening for fresh air, connection to chimney

4.0. CONNECTION TO CHIMNEY

3.0. OPENING FOR FRESH AIR (FRESH AIR SUPPLY)

Q - boiler output in kW

A - opening area in cm

A = 6,02 Q

Each boiler room must be equipped with an opening for supply of fresh air which is dimensioned

in accordance with boiler output (minimum opening area according to the below shown equation).

Such opening must be protected with a net or grate. All installation works have to be performed in

accordance with valid national and European standards. Boiler must not operate in flammable and

explosive environment.

Properly dimensioned and built chimney is a precondition for safe boiler operation and heating

efficiency. A chimney must be thermally insulated, gas-tight and smooth. Cleaning door must be

made in the lower part of a chimney. Chimney made of bricks must include 3 layers with central

insulation layer made of mineral wool. Thickness of thermal insulation should be min. 30 mm of

chimneys is built against to interior wall, and min. 50 mm if it is built on the outer side. Internal

dimensions of the chimney light diameter depend on chimney height and boiler output and

they have to be selected in accordance with diagram shown in Figure 3. The chimney usable

height is the measure from connection spot of smoke pipe to the chimney top. As these boilers can

be fired with wooden pellets at any time, chimney has to be selected according to the wooden

pellets diagram. Fuel gas temperature at the chimney exist must be min. 30°C higher than

condensation temperature of combustion gases. Selection and building of a chimney must be

made by a professional. Required maximum distance from boiler to chimney is 600 mm, and

minimum distance is 300 mm. Uptake tube must be installed at an angle (min. 5°) with a gradient

from chimney to boiler (Figure 2). In order to prevent condensate from chimney to enter the boiler,

uptake tube must be placed 10 mm deeper into chimney. Connecting uptake tube between boiler

and chimney must be thermally insulated with a mineral wool layer having thickness of 30 to 50

mm.

All installation works must be made in accordance with valid national and European standards.

Technical instructions EKO-CKB P

Connection to chimney, selection of a chimney

min. 300 mm

max. 600 mm

10mm

100

110

5 10 15

wood pellets

firing

6 7 8 9

Figure 2. Possible ways of connections of boilers EKO-CKB P to chimney

Thermal insulation Opening for cleaning

Thermal insulation

Opening for cleaning

Possible way of connection of boilers EKO-CKB P to chimney

(recommendation)

Possible way of connection of boilers EKO-CKB P

with pellet burner to chimney

Figure 3. Chimney dimensioning for boilers EKO-CKB P

Useful chimney height (m)

Boiler nominal output (kW)

Light chimney diameter (cm)

Technical instructions EKO-CKB P

Installation to closed heating system

5.0. BOILER INSTALLATION TO CENTRAL HEATING SYSTEM

5.1. BOILER INSTALLATION TO CLOSED HEATING SYSTEM

4.1. AN EXAMPLE OF SELECTION OF A CHIMNEY (see diagram on

Figure 3.)

- BOILER HEAT OUTPUT - 30 kW

- FUEL - WOOD PELLETS

- REQUIRED USABLE CHIMNEY HEIGHT - H = 8 m

- REQUIRED CHIMNEY LIGHT DIAMETER - 18 cm

- Usable chimney height - chimney height from connection spot of smoke pipe

to the chimney top.

- Light chimney diameter - interior chimney diameter.

All installation works must be made in accordance with valid national and European standards.

Boiler EKO-CKB P can be built to closed and open central heating systems. In both cases boiler

can be fired with wooden pellets. Installation has to be made, in according to technical standards,

by a professional who will be responsible for proper boiler operation. Before connecting boiler to

central heating system, the system has to be flushed to remove impurities remaining after system

installation. It prevents boiler overheating, noise within the system, disturbances at a pump and

mixing valve. Boiler should always be connected to central heating system by connectors, never

by welding. Figure 1. shows safe distances required for boiler cleaning and maintenance.

In closed heating system (as in example shown in Scheme 1a and 1b) it is obligatory to build in

certified safety valve with opening pressure of 2,5 bar, minimum seat diameter of 15 mm, minimum

inlet connection of 1/2", minimum exit connection of 3/4" and a membrane expansion vessel.

Safety valve and expansion vessel must be built in accordance with professional rules and any

valve must not be located between safety valve and expansion vessel and boiler. In all boiler types

the heating pump must be connected to boiler control unit CPREG (see Technical instructions for

the commissioning and adjustment of Cm Pelet set for boilers EKO-CK P and EKO-CKB P). If

boiler is connected to the heating system under Diagram 1b., it is recommended that the

environment temperature control is made by a 4-ways manual mixing valve.

Technical instructions EKO-CKB P

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