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37

Maintenance instructions

ENGLISH

BCm Parameters

Code

Symbol

Description 

unit

min.

max.

Imp. fab.

 

 

803

Srv

Enabled Services

16

27

483

rP

Gen: Temp. Max Differential

°K

0,0

50,0

34

HY

Burner Hysteresis

°K

5,0

20,0

31

HL

CH#1: minimum Set-point

°C

20,0

40.0

39

HH

CH#1: maximum Set-point

°C

45,0

85.0

799

AC

Input 0/10V

0

3

376

DI1

Programmable Input #1

0

2

322

Po

Pump: Post-circulation

min.

1

10

341

PL

Pump: minimum Control

V

0

10 

313

Pr

Pump: maximum Control

V

0

10 

792

CHP

CH: mx. modulation

%

0

100

611

PoT

Gen: Err. max. Parallel

°K

0

30

612

PoL

Gen: mod. max. Parallel

%

0

100

650

dL

DHW: minimum Set-point 

 

°C

25,0

45,0

385

dH

DHW: maximum Set-point

50,0

65,0

360

dt

Storage Tank Adjustment

  

15 

656

drT

DHW: Temp. Requested Differential

°K 

 -20

20 

657

drH

DHW: requested Temp. Hysteresis

°K 

 1

20 

310

DpT

DHW Pump: Postcirc.

 sec.

 5

600 

660

dbT

DHW: Temp. maximum Boiler

 °C

 50,0

85,0 

48

ChSet

CH#1: Set-point

 °C

20,0

85,0 

64

ChPo1

CH#1: Parallel Supply

 

 0

 1

346

fL

minimum modulation

 %

100,0 

600

mB

Burners: min. Inserted

 

616

BSt

Gen: Insertion Time

sec. 

30 

900 

613

Brt

Gen: removal Time

sec. 

30 

900 

336

HS

Temperature Gradient

°C/min

 30

353

HP

CH PID: Proportional

 °K

 0

 50

354

HI

CH PID: Integrative

 °K

 0

 50

478

Hd

CH PID: Derivative

 °K

 0

 50

816

mI

modbus Address

127 

817

mT

modbus Time-out

sec.

0

240 

896

Tu

°fahrenheit

 

1

309

St

Application Code

 

0

1

368

VA1

Programmable relay #1

0

1

369

VA2

Programmable relay #2

0

1

771

PS

Water Pressure Sensor

0

1

768

LG

min. Gas Pressure Sensor

0

1

793

CoC

Chimney obstruction Sensor

0

2

622

fS

minimum flow Sensor

0

1

Summary of Contents for SPK 1000

Page 1: ...SPK 1000 11 41 12 13 31 32 42 18 28 giov 30 20 ott 18 effettiva richiesta 76 C 84 C generatore 10 10 modulazione 100 INFO MENU status sanitaria 25 C ENGLISH INSTALLATION AND MAINTENANCE INSTRUCTIONS ...

Page 2: ...aste collection is mandatory for this type of waste in order to allow the recovery and reuse of the materials making up the appliance Please contact operators authorised for the disposal of this type of appliances Incorrect management of waste and of its disposal has potential negative effects on the environment and human health The symbol on the appliance represents the prohibition to dispose of ...

Page 3: ...a regolazione della pressione al bruciatore 29 Attenzione il presente manuale contiene istruzioni ad uso esclusivo dell installatore e o del manutentore professionalmente qualificato in conformità alle leggi vigenti L utente NON è abilitato a intervenire sulla caldaia Nel caso di danni a persone animali o cose derivanti dalla mancata osservanza delle istruzioni contenute nei manuali forniti a corr...

Page 4: ...al part of the product and must be kept by the user Read the warnings contained in this instruction booklet carefully as they provide important guidelines regarding installation use and maintenance safety Keep the booklet with care for further consultation Your appliance must be installed and serviced in compliance with the standards in force according to the manufacturer instructions up to standa...

Page 5: ...lope inside the packaging The user must keep this documentation safe for future consultation Inform the user about the importance of the air vents and the flue gas exhaust system highlighting their essential features and the absolute prohibition of modifying them Inform the user concerning controlling the system s water pressure as well as operations to restore it Inform the user concerning correc...

Page 6: ...ipe the safety valve and the exhaust pipe the construction parts which affect the operating safety of the appliance Attention To tighten or loosen the screwed fittings use only appropriate fixed spanners Incompliant use and or inappropriate tools can cause damage e g water or gas leakage ATTENTION Indications for propane gas fired appliances Make sure that the gas tank has been deaerated before in...

Page 7: ...approved flue gas exhaust configurations 8 NOx NOx Class A Heating circuit characteristics 9 Pn Effective nominal output 10 Pcond Effective output in condensation 11 Qn Maximum heat output 12 Adjusted Qn Adjusted for rated heat output 13 PMS Max heating operating pressure 14 T max Max heating temperature B Domestic hot water circuit characteristics 15 Qnw Rated heat output in domestic hot water fu...

Page 8: ...X PH 6 5 7 8 Hardness fr 9 15 NOTE Further details in the section Technical Information on the boiler page of the www unicalag it website 1 7 WATER TREATMENT Feed water treatment prevents problems and maintains the functionality and efficiency of the generator over time The ideal water pH in heating systems must be within To minimise corrosion it is crucial to use a cor rosion inhibitor in order f...

Page 9: ... system can be protected effectively from frost by using antifreeze products with inhibitor for heating systems specific for multidmetal Do not use car engine antifreeze products as they could damage the water gaskets P O S ANTIFREEZE FUNCTION Power supplies SR Status antifreeze function Actions Electric Gas 1 ON ON 7 C ON Burner and Pump ON until T 15 C 2 ON OFF 5 5 C ON FAULT SIGNAL CODE 16 with...

Page 10: ...he chimney must be calculated so that no positive pressure is detected at its base KEY N Description 1 Furnace 2 flame sight glass 3 Door with flame sight glass 4 Smoke chamber 5 Body insulation 6 Panel board 7 Smoke tubes M T1 Flow Rbt T2 Low temperature return Rat T3 High temperature return T4 Expansion vessel Sc T5 Boiler drain T6 Burner connection S T7 Chimney connection Scond T8 Condensation ...

Page 11: ...11 Technical features ENGLISH 8 Slides for sliding burner assembly 9 Fan 10 Gas Valve 11 Ignition electrode n 2 12 Ignition transformer n 2 13 Outlet wiring dx sx 14 Detection electrode 15 Burner ...

Page 12: ...INFO MENU status sanitaria 25 C H E D W A H2 G L1 L2 L3 L4 L5 Ø Rbt T2 Rat T3 M T1 T4 FRONT VIEW UPPER VIEW BACK VIEW SPK DIMENSIONS mm Depth Width Height Chim ney conn ection Furnace Focolare L B L1 L2 L3 L4 L5 L6 L7 L8 W A H H1 H2 C D E Ø Ø f 1000 3760 2440 990 550 400 350 562 533 477 2310 1290 1240 1637 320 1545 376 952 1447 350 642 ...

Page 13: ... C L7 H1 H1 L8 Ø f Rbt T2 Rat T3 M T1 T4 T5 T7 T8 SIDE VIEW SECTION SIDE VIEW WITH CASING SPK CONNECTIONS Weight T1 M T2 R T3 R T4 T5 Sc T6 T7 S T8 Scond G kG PN6 inch mm mm mm inch 1000 DN 125 DN 125 DN 125 DN 65 R 1 270 350 40 R 2 2440 ...

Page 14: ...e gas temperature tf ta max C 31 0 Maximum permitted temperature C 100 Maximum operating temperature C 95 Flue gas mass flow rate min kg h 790 Flue gas mass flow rate max kg h 1581 Excess air 29 54 Heat loss at chimney with burner on min 1 29 Heat loss at chimney with burner on max 1 60 Minimum heating circuit pressure bar 1 Maximum heating circuit pressure bar 6 Water content l 1413 Methane gas c...

Page 15: ...0 of nom heat output in low temperature regime Tr 30 C ƞ1 97 3 Range rated boiler YES NO NO Auxiliary electricity consumption At full load elmax kW 2 120 At part load elmin kW 1 060 In stand by mode PSB kW 0 005 Other items Heat loss in stand by Pstb kW 2 15 Emissions of nitrogen oxides ref PCS NOx Mg kWh 40 Annual electricity consumption 6 Inside sound power level QHE GJ 2887 Livello di potenza s...

Page 16: ... hot water supply network compatible with its efficiency and output 3 1 GENERAL WARNINGS 3 2 STANDARDS FOR INSTALLATION It must be installed by a professionally qualified technician who shall take the responsibility of observing all local and or national laws published in the official journal as well as the applicable technical standards 3 3 PREVENTIVE VERIFICATION AND VERIFICATION AND ADJUSTMENT ...

Page 17: ...orage tank probe Cables output sheet metal Condensate drain siphon pipe 1 m 3 4 1 HANDLING The boiler must be handled by lifting it from the holes on the upper plate or using a transpallet If it is possible to program replacements you must provide for intervention with protective washing equipped with basic dispersant Washing must be carried out four weeks prior to replacement with the system oper...

Page 18: ... or low according to standards in force The location of the ventilation openings the fuel supply circuits electric energy supply and lighting must comply with current legal provisions in relation to the type of fuel used It is recommended to install the boiler as close to the chimney connection as possible To make it easier to clean the smoke circuit in front of the boiler there must be a free spa...

Page 19: ... from the electricity supply Put a sign on the boiler with the following text DO NOT USE BOILER UNDER MAINTENANCE OUT OF ORDER ATTENTION Danger of burns the flame control light can be very hot therefore pay the utmost caution REMOVING THE ANCHOR BRACKET BURNER transport protection ATTENTION To remove the anchor bracket follow the door opening phase using a suitable tool remove the support bracket ...

Page 20: ...ABLE AT THE BASE OF THE CHIMNEY D Drain I Intake Dp 100 Pa The maximum permitted length of the pipes is determined by head Dp available at the base of the chimney B23P ATTENTION For this type of connection the room follows the same installation rules for boilers with natural draught Connection to a combustion products evacuation pipe outside the room the combustion air is taken directly from the r...

Page 21: ...Size the expansion vessel with respect to the maximum expected operating temperature and the water content of the system then determine the pre inflation pressure of the expansion vessel the pressure during the maximum effective must not reach the pressure set on the safety valves Attention Do not mix the heating water with incorrect concentrations of antifreeze or anti corrosion substances This c...

Page 22: ...ation is drained properly If the appliance is used with an empty conden sation drain trap there is an intoxication hazard due to the release of exhaust gasses The connection between the appliance and the do mestic waste system must be made in compliance with the specific reference standards If you do not want to or cannot create a base ment the boiler can be mounted at ground level and a bulb hold...

Page 23: ...ISH 3 9 FILLING AND EMPTYING THE SYSTEM When all system connections have been com pleted the circuit can be filled To fill the system you must provide a filling valve on the system s return EXAMPLE OF THE SYSTEM S LOADING UNIT UNIT OF LOADING ...

Page 24: ...upplier board 51 TL Manually resettable limit thermostat 52 M2 Supplementary terminal 24V BCM 53 Termometer 3 9 ELECTRICAL CONNECTIONS Danger Only a qualified technician may perform the electrical installation Before performing connections or any type of operation on elec trical parts always disconnect electrical power and make sure that it cannot be reconnected accidentally ...

Page 25: ...switch on the electrical power supply line of the boiler according to the fan plate data in order to make any maintenance operations quick and safe The replacement of the power supply cable must be carried out by authorized technical personnel Failure to comply with the above may compromi se the safety of the appliance ATTENTION Comply with the PHASE and NEUTRAL polarity since flame detection is P...

Page 26: ...2 1 0 1 2 3 4 5 6 7 8 9 9 8 10 11 12 13 14 2 1 3 4 5 6 7 Jp2 9 TA WH R TA ON OFF 24V BK G NOTE View of the internal panel position of the BCM board and 24 V terminal block for connections L3 L2 L1 NO NC COM 20V PWM GND Tach 10V GND 0 10V NOTE Fan terminal block connection The dotted links are edited of the installer TA connection ...

Page 27: ...2 3 1 2 3 4 5 6 Y3 Y2 12 11 10 9 8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9 9 8 10 11 12 13 14 2 1 3 4 5 6 7 Jp2 9 TA WH R 24V BK G 10 FL 11 INAIL Y4 1 2 3 4 2 3 1 2 3 4 5 6 Y3 Y2 12 11 10 9 8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9 9 8 10 11 12 13 1 2 1 3 4 5 6 Jp2 9 TA WH R 24V BK G FL INAIL safety connections FL Flow switch connection Remove the jumper and connect the cables as indicated between Y2 11 and t...

Page 28: ...Pump heating circuit P Car DHW Storage tank loading pump Stemp ACC Storage Tank Temperature Sensor P Mod Modulating Heating Pump Connect the cables as indicated Y4 Connect the cables as indicated Y3 1 2 3 Connect the temperature sensor cables as indicated Y2 4 8 Connect the modulation control cables as indicated Y2 4 5 External 230 V 50 Hz power supply NOTE The boiler is set up for direct flow and...

Page 29: ...trap connected to the drains has the system been checked for water leaks are the ventilation conditions and minimum distances to perform any maintenance ensured have the GAS and HEATING pipes been cleaned thoroughly with products suitable for each circuit have GAS and HEATING circuits been tested has a surveillance and protection system against gas leaks been installed Optional are the system pipe...

Page 30: ... flue gas temperature and content of CO2 taken in the relevant hole 2 Take the measurements with the generator in steady state conditions see par 3 11 1 3 11 1 Calibration Function Chimney Sweep 3 11 MEASUREMENT OF THE COMBUSTION EFFICIENCY DURING INSTALLATION Generator Menu ATTENTION Function reserved for After Sale Service Centres only ATTENTION These functions are explained in chapter 6 Burner ...

Page 31: ...ncrease it ANTICLOCKWISE to decrease it see table NOZZLES CAPACITY PRESSURE 1 Minimum output adjustment Operate the boiler in calibration mode at MINIMUM OUTPUT see 3 11 1 Once the burner is on check that the MINIMUM CO2 output value corresponds to what is indicated in the table NOZZLES PRESSURE If necessary adjust the value by turning with a 2 5 mm hex key screw R CLOCKWISE to increase it ANTICLO...

Page 32: ...e capacity read is too low make sure the power supply system and drain power supply and drain pipes are not clogged 3 Conclusion of the basic calibrations once the CO2 values at minimum and maximum output have been checked and any adjustments have been made sections 1 2 disable the timed calibration function by switching off the main switch close the flue gas inspection sample points of the intake...

Page 33: ...gas shut off valve Switch the boiler on Make sure the appliance is gas tight and watertight Yearly maintenance of the appliance is mandatory in compliance with Laws in force Failure to perform Inspections and Maintenance can entail material and personal damage TABLE OF RESISTANCE VALUES ACCORDING TO THE TEMPERATURE OF THE HEATING PROBES 11 sr and any DOMESTIC HOT WATER probes 1 ss and heating retu...

Page 34: ... overheating limit thermostat Chap 3 9 Does the TL put the boiler in safety conditions when overheating Heat the TL until it intervenes at 102 C and check that it intervenes at 102 Condensation drain trap Has the trap got deposits on the bottom Clean the trap with water Heat exchanger body If SL places the boiler in safety mode in the event of condensate level increases If PF places the boiler in ...

Page 35: ...35 Maintenance instructions ENGLISH PAGE LEFT BLANC INTENTIONALLY ...

Page 36: ...n Reg Int 0 50 489 Fpl Fan PWM min 5 15 337 Fr Modulation Gradient 1 0 100 0 526 FU Fan Max Speed Hz 50 120 319 FH Maximum Modulation 1 0 100 0 346 FL Minimum Modulation 1 0 100 0 314 Sb Modulation on Standby 0 100 620 IP Postpurge Fan 0 100 617 IGL Ignition Mod Min 0 100 618 IGH Ignition Mod Max 0 100 353 HP CH PID Proportional K 0 50 354 HI CH PID Integrative 0 50 478 Hd CH PID Derivative 0 50 3...

Page 37: ...k Adjustment 0 15 656 drT DHW Temp Requested Differential K 20 20 657 drH DHW Requested Temp Hysteresis K 1 20 310 DpT DHW Pump Postcirc sec 5 600 660 dbT DHW Temp Maximum Boiler C 50 0 85 0 48 ChSet CH 1 Set point C 20 0 85 0 64 ChPO1 CH 1 Parallel Supply 0 1 346 FL Minimum Modulation 0 100 0 600 mB Burners Min Inserted 1 8 616 BSt Gen Insertion Time sec 30 900 613 BRt Gen Removal Time sec 30 900...

Page 38: ...I on 4 0 5 0 6 3 A D L1 N PE L1 PE N Y G BK BR GR BL L1 L2 L3 N ALIM 400 V 50 Hz PE BK BR GR Y G PE L1 L2 L3 BR Y G BL KEY A1 A Services connectors E ACC 1 2 Ignition electrode 1 2 E RIL Detection electrode Ufly P HSCP Heating controller outline Connection and ELECTRICAL PANEL by the Installer D Presa volante wieland Alim 230 V 50Hz SR Heating temperature sensor M2 Safety terminal block PF Smoke p...

Page 39: ... 10V Modbus B ABIL ACC BRUC INGRES CONTR 0 10V BR eBUS E ACC 2 SL 2 1 3 C 1 NC 3 10 2 9 PF INAIL 24V 11 2 3 PG min 4 1 3 PG max SPK 500 1000 V1 V2 GND 2 SPK 150 1000 eBUS eBUS 0 1 2 3 4 5 6 7 8 9 Y4 1 2 3 4 1 2 3 M2 R FL C P M P CH COMAND P Coll COMAND P Car DHW 1 2 3 4 5 6 Y3 Y2 12 11 10 9 8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9 2 1 3 4 5 6 7 A1 9 8 10 11 12 13 14 2 1 3 4 5 6 7 Jp2 BR WH OR OR BR WH ...

Page 40: ...he auxiliary sensor 15 INSUFFICIENT WATER CIRCULATION Primary circuit water circulation insuffi cient t 40 C Check pump operation and its speed remove any obstructions in the heating system 16 EXCHANGER FREEZING Exchanger freezing is detected If the heat ing sensor detects a temperature below 2 C burner ignition is inhibited until the sensor detects a temperature above 5 C Disconnect the from the ...

Page 41: ...tifreeze function therefore it could only be a warning 18 Flow return t maximum pres sure stop effect Check circulation check installation only with a return probe present 19 Flow overtemperature It is activated when the flow temperature is 95 Resetting is automatically carried out when the temperature is 80 Effect Stop burner Pump On Circulation control 28 CLOGGED OUTLETS Stop Check the Chimneys ...

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Page 44: ...it reserves the right to modify its products as deemed necessary or useful without affecting their essential features 46033 casteldario mantova italia tel 39 0376 57001 fax 39 0376 660556 info unical ag com export unical ag com www unical eu AG S p A www unical eu ORIGINAL INSTRUCTION 00338659EN 1 ed 02 19 ...

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