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9.4

Connecting the power supply and boiler pump P1, 230V/1~ or 400V/3~

•

Connect the power supply to the connecting block on the front top side of the unit. See figure below.

•

A 230V/1~ pump

must be connected to the relay besides the power supply connectors, according to the top

figure below.

A 400V/3~ pump

must be connected to the relay besides the power supply connectors, according to the

bottom figure below.

•

Connection of the 230 V AC power supply to the control panel has already been mounted in the factory.

•

Preferably an external isolation switch should be connected to work safe on the boiler. The connection needs
to be fused with a maximum 16 A fuse.

•

When a pump motor safety circuit is required, this should be added externally from the boiler. Another option
is to use a pump with an internal electronic safety circuit. Maximum operational switch current for the pump
relay is 9 A per phase.

Connecting a 230V/1~ pump:

Power supply

1~230V/50Hz

N/GND

Boiler pump

1~230V/50Hz

N/GND

Connecting a 400V/3~ pump:

Power supply

3~400V/50Hz

N/GND

Boiler pump

3~230V/50Hz

GND

All electrical connections must be installed according to all applicable regulations.

CAREFUL: When the boiler is switched off, electrical power might still be present at the connectors and relay
shown above. We advise to add an external service switch to shut off all the power to the boiler while working
on it.

connecting block

connecting block

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Содержание S-CB+400

Страница 1: ...s 400 550 Floor Standing High Efficiency Condensing Boiler Installation Operating Maintenance Manual Please read and understand before commencing installation and leave the manual with the customer for future reference 2017 09 01 v1 ...

Страница 2: ......

Страница 3: ...NECTIONS 18 6 4 THE EXPANSION VESSEL 18 6 5 PRESSURE RELIEF VALVE 19 6 6 BYPASS 19 6 7 PUMP FUNCTIONALITY 19 6 8 FROST PROTECTION 19 6 9 INSTALLING A STRAINER AND OR DIRT SEPARATOR 20 6 10 WATER QUALITY 20 6 11 PLASTIC PIPING IN THE HEATING SYSTEM 21 6 12 AUTOMATIC AIR VENT 21 6 13 AUTOMATIC WATER FILLING SYSTEMS 21 6 14 WATER PRESSURE 21 6 15 CHEMICAL WATER TREATMENT 22 6 16 UNDER FLOOR HEATING 2...

Страница 4: ...DIAGRAM BOTTOM BURNER PCB B RIGHT 46 10 USER INTERFACE 48 10 1 CONTROL PANEL DISPLAY UNIT 48 10 2 MENU STRUCTURE 49 10 3 DISPLAY DURING OPERATION 51 10 4 MONITOR SCREENS 52 10 5 SERVICE FUNCTION 54 10 6 SCHORNSTEINFEGER FUNCTION 55 10 7 PROGRAMMING IN STANDBY MODE 56 10 8 SETTING THE TIME DATE 56 10 9 SET POINTS 57 10 10 SETTING THE TIMER PROGRAMS 58 10 11 SETTING THE OUTDOOR SPECIFICATIONS 61 10 ...

Страница 5: ...ING VENTING THE BOILER AND THE SYSTEM 94 12 3 THIRD CHECK THE WATER FLOW 94 13 STARTING THE BOILER 96 13 1 GENERAL 96 13 2 FIRING FOR THE FIRST TIME 97 14 ADJUSTING AND SETTING THE BURNERS 98 14 1 INTRODUCTION 98 14 1 1 Adjustment tables 98 14 1 2 Adjustment values 98 14 1 3 Gas valve setting screws drawing 100 14 1 4 How to remove and mount the flue plug 101 14 1 5 Adjustment actions general sche...

Страница 6: ...rer the internals of the boiler may not be changed When these changes are executed without approval the boiler certification is invalid Commissioning maintenance and repair must be done by a skilled installer engineer according to all applicable standards and regulations What to do if you smell gas Do NOT use any electrical equipment Do NOT press any switches Close the gas supply Ventilate the roo...

Страница 7: ...e temperature sensor External calorifier pump or diverter valve Flue gas Because the flue gases can have a low temperature the boiler needs to have a high efficiency approved stainless steel flue gas system Also plastics of the right temperature class are allowed For details see applicable section Aluminium flue gas systems are never allowed to be connected to S CB boilers Cascade control When usi...

Страница 8: ...put 80 60 C kW 48 3 386 66 1 535 Nom output 50 30 C kW 52 2 418 71 2 576 Nom output 37 30 C kW 54 1 433 73 7 597 Efficiency 40 30 C DIN4702 8 Up to 109 5 GAS CONSUMPTION 2 Gases according to EN437 Values min max Natural gas G25 3 m st h 6 0 48 1 8 2 66 2 Natural gas G20 m st h 5 3 42 3 7 2 58 2 Propane gas G31 1 m st h 2 1 16 4 2 8 22 5 Butane Propane B P G30 G31 1 m st h 1 6 12 4 2 1 17 1 Gas sup...

Страница 9: ...mWK 2 6 2 8 Water pressure boiler min max bar 1 0 4 0 5 Maximum flow temperature C 85 ELECTRICAL Power supply frequency V Hz 230 400 6 50 Maximum power consumption exclusive pump W 960 Max current P1 pump relay I nom A 9 Protection class IPX0B NOTES 4 Maximum combined resistance of flue gas and air supply piping at high fire 5 With the standard built in pressure sensor replaced by a pressure switc...

Страница 10: ... kW 386 535 Heat output p1 30 at 30 37 C kW 129 9 179 1 Seasonal space heating energy efficiency ɳs 92 54 92 89 energy efficiency ɳ4 at 60 80 C 86 90 87 60 energy efficiency ɳ1 at 30 37 C 97 50 97 70 Auxiliary electricity consumption At full load elmax kW 0 752 0 829 At part load elmin kW 0 12 0 12 In standby mode Psb kW 0 015 0 016 Other Standby heat loss Pstby kW 0 227 0 366 Ignition burner powe...

Страница 11: ...by the electronics If the non return valve is not closed the electronics will activate the fan to run at a speed relative to that of the fan of the other burner so enough pressure is created to prevent recirculation So if the non return valve is not functioning its function is taken over by the fan In this case the unit will still be able to burn for 100 of its total capacity when both burners are...

Страница 12: ...h the fan from the gas control valve 3 Mixer There is a mixer on the suction side of the fan s in which the gas and air are mixed together until a uniform gas air quantity is obtained This is pushed into the burner 4 Boiler pump not in drawing on this page The separately supplied boiler pump must be connected to the return of the boiler The head of this pump must be sufficient to overcome the boil...

Страница 13: ...n connection of the boiler and end in the supply connection of the boiler 9 Burner Both parts of the heat exchanger contain their own burner that consists of a perforated cylinder from stainless steel with an extra porous layer for protection against high temperatures This porous layer is a weaving layer the wires are made of an alloy with high temperature resistance 3 TECHNICAL DIMENSIONS OF THE ...

Страница 14: ...C to be mounted to the boiler connections E400277 Room Controller OpenTherm RC modulating with clock function S04 016 355 Room Controller OpenTherm RC modulating with remote room sensor S04 016 358 Interface cable and software for programming the boiler E400278 4 2 Unpacking The S CB 400 550 boiler comes with the following documents and accessories One Installation manual for the installer Three s...

Страница 15: ...done by a skilled service commissioning engineer who has been trained and selected by the installer and or the manufacturer 5 2 2 BOILER ROOM For the installation of the boiler s the following demands regarding the boiler room should be considered 1 The radiation losses of the unit are low 2 The boiler has a built in fan that will generate noise depending on the heat demand The sound emissions are...

Страница 16: ...a fire switch needs to be installed outside the boiler room in case of emergencies the electrical power to the boiler s can be shut off 5 2 3 VENTILATION Either when the boiler is connected independently or when it takes the combustion air out of the technical room the ventilation of the technical room needs to meet all applicable standards and regulations 5 3 Removing the top front and side panel...

Страница 17: ...er room thermostat 0 10V etc All lines piping must be mounted free of tension The weight of all the installation components should be supported separately from the boiler so there will be no standing force on the connections Don t use excessive force on the connections while mounting the boiler 6 CONNECTIONS WATER SIDE 6 1 Boiler connections Rear view A Air supply B Flue gas outlet C CH water flow...

Страница 18: ...sure the water in the siphon keeps the flue gases from entering the plant room by leaving the heat exchanger via the condensate drain 6 3 Flow and return connections We advise to install two service valves in the flow and return pipes to the boiler so the boiler can be isolated from the heating system when mainte nance or service needs to be carried out Mount the boiler pump ALWAYS in the return o...

Страница 19: ...eader prevents both before mentioned boiler threats frost and too many thermostatic valves and guarantees free boiler flow 6 7 Pump functionality The pump capacity must be determined for each project The boiler pump P1 can be controlled directly by connect ing it to the internal relay The boiler pump must be controlled by the boiler controller If for any reason an external pump control is applied ...

Страница 20: ... 7 with fresh water the water will lose its air because of the air bleeding operation and heating up dead water conditions Water hardness must be within the following limits 3 5 Clark 50 ppm CaCO3 total hardness 10 5 Clark 150 ppm CaCO3 When the water might contain aluminium particles this should be of a maximum of 0 2 mg litres If there is the risk of contamination of the water by any kind of deb...

Страница 21: ...ms When using an automatic water refill system some precautions should be taken fresh water is bringing fresh oxygen into the system like installing a water meter to measure and evaluate the total water volume that is added to the system This to detect and eliminate any water leakage as soon as possible When an automatic water refill system is used some form of logging should take place to prevent...

Страница 22: ...e supplied 6 16 Under floor heating When using an under floor heating system of non diffusion proof PVC pipes the boiler circuit must be separated from the heating circuit by means of a plate heat exchanger 6 17 Flush the system with fresh water The water of the boiler and heating circuit should be free of any particles debris and pollution Therefore the com plete installation must always be thoro...

Страница 23: ... VALVES valve siphon low loss header air separator pump dirt separator automatic air vent strainer water filter expansion vessel pressure relief valve non return valve use low resistance type S CB 400 550 TOP VIEW S CB 400 550 TOP VIEW EXTERNAL SYSTEM PUMP P3 HEATING ZONE NRV NRV ...

Страница 24: ...ected for each project and is not part of the standard boiler supply 0 200 400 600 800 1000 1200 5 10 15 20 25 30 35 Pressure loss mbar Flow rate m h Water pressure loss S CB 550 25K 20K 0 200 400 600 800 1000 1200 5 10 15 20 25 30 Pressure loss mbar Flow rate m h Water pressure loss S CB 400 25K 20K ...

Страница 25: ...able for the applied pressure in the flue gas system be condensate proof and have a temperature class of T120 Never use aluminium containing flue gas materials for this boiler 8 2 Flue gas system The flue terminal duct must be made of stainless steel temperature class T120 Note Because the flue gases can have a low temperature the boiler needs to have a high efficiency approved stainless steel flu...

Страница 26: ...l at the roof Air supply inlet and flue gas outlet located at the same air pressure zone a combined roof terminal e g When used with separated air supply and flue gas outlet the outlets have to be within a square of 100 cm And the distance between the planes of the two transits must be smaller as 100 cm Use table 4 2 to select the right parts C53 Closed Air supply from outside Separate air supply ...

Страница 27: ...9 So for type C63 systems flue gas and air supply parts from other suppliers can be used It must be able to handle the condensate forming W and transport overpressure P1 and must have a minimum temperature class of T120 Also it has to meet the requirements in the following chapters air supply and flue terminal CE string flue gas material European standard Temperature class Pressure class Resistanc...

Страница 28: ...losed boiler The supply duct can be made of PVC Thin walled aluminium Stainless steel The air supplied for the boiler room ventilation shall be such that the maximum temperatures within the boiler house shall be 25oC at floor level or 100mm above floor level 32oC at mid level 1 5m above floor level and 40oC at ceiling level or 100mm below ceiling level 8 6 1 AIR QUALITY Combustion air must be free...

Страница 29: ...eight A should be 45 30 75 cm This is more than 60 cm so this height should be 75 cm Example 2 When the maximum snow level on the roof surface is 15 cm then height A should be at least 15 30 45 cm This is less than 60 cm so the height should be 60 cm Height difference B This should be at least 70 cm the flue gas outlet should be at least 70 cm higher than the air inlet and should be equipped with ...

Страница 30: ...unted D1 and D2 Twin pipe system with concentric flue gas outlet air inlet 8 8 1 FLUE GAS AND AIR SUPPLY RESISTANCE TABLE CONCENTRIC PARTS Just one specific concentric roof terminal has been measured and approved to be used with the S CB 400 and 550 Below mentioned values concerns only this specific concentric roof terminal An eccentric adapter has to be used at the flue gas outlet of the boiler t...

Страница 31: ...pply piping Ø mm Resistance Pa S CB 400 S CB 550 straight tube m 180 2 1 3 5 200 1 3 2 1 250 0 7 T piece vertical boiler inlet T piece horizontal use values 45 elbow 180 26 7 47 4 200 17 5 31 1 250 12 8 90 elbow 180 7 5 13 3 200 4 9 8 7 250 3 6 45 elbow 180 4 3 7 6 200 2 8 5 0 250 2 0 air inlet H D 1 0 zeta 1 0 180 21 3 38 0 200 14 0 24 9 250 10 2 air inlet mesh x zeta 1 3 180 27 7 49 3 200 18 2 3...

Страница 32: ...gas outlet 54 0 Air supply Diameter 200 mm Number Pa Pa total Straight tube m total 7 1 3 9 1 T piece inlet 1 17 5 17 5 Bend 90 2 4 9 9 8 Air inlet Zeta 1 0 1 14 0 14 0 Total resistance air supply 50 4 Total resistance flue gas outlet and air supply 104 4 Pa INLET AIR MUST BE CLEAN AND FREE OF WATER USE A WIRE MESH WHEN THERE IS RISK OF DEBRIS BEING DRAWN INTO THE AIR INLET EXAMPLE A 8m 3m 1m 2m 2...

Страница 33: ...ube m total 8 5 3 0 25 5 T piece outlet 1 25 5 25 5 Bend 90 2 9 9 19 8 Flue outlet Zeta 1 0 1 28 3 28 3 Total resistance flue gas outlet 99 1 Air supply Diameter 180 mm Number Pa Pa total Air inlet Zeta 1 3 1 27 7 27 7 Total resistance air supply 27 7 Total resistance flue gas outlet and air supply 126 8 Pa INLET AIR MUST BE CLEAN AND FREE OF WATER ALWAYS USE A WIRE MESH TO PRE VENT DEBRIS BEING D...

Страница 34: ...gas outlet 50 4 Air supply Diameter 250 mm Number Pa Pa total Straight tube m total 5 0 7 3 5 T piece inlet 1 2 0 2 0 Bend 90 2 3 6 7 2 Air inlet Zeta 1 3 1 13 3 13 3 Total resistance air supply 26 0 Total resistance flue gas outlet and air supply 76 4 Pa INLET AIR MUST BE CLEAN AND FREE OF WATER ALWAYS USE A WIRE MESH TO PREVENT DEBRIS BEING DRAWN INTO THE AIR INLET MAKE SURE THAT AIR INLET AND F...

Страница 35: ... 7 6 Conc roof terminal 200 300 M G 1 54 0 54 0 Total resistance air supply 84 3 Total resistance flue gas outlet and air supply 222 8 The total resistance is less than 250 Pa so this is acceptable The maximum allowed pressure is increased to 250 Pa when using a concentric roof terminal 1 0 m 3 0 m 2 5 m 2260 700 480 Excentric adapter 180 200 mm Excentric so there is no water agglomeration Besides...

Страница 36: ...Conc roof terminal 200 300 M G 1 28 6 28 6 Total resistance air supply 45 95 Total resistance flue gas outlet and air supply 120 75 The total resistance is less than 250 Pa so this is acceptable The maximum allowed pressure is increased to 250 Pa when using a concentric roof terminal 1 0 m 3 0 m 2 5 m 2260 700 480 Excentric adapter 180 200 mm Excentric so there is no water agglomeration Besides us...

Страница 37: ...lashing Flue gas roof terminal Air inlet roof duct 90 bend Ventilation grill Condense water drain 8 10 Separate air supply and flue terminal for a flat roof 1 2 3 4 5 6 7 Connection tube Adhesive flashing for flat roof Flue gas roof terminal Air inlet roof duct 90 bend Ventilation grill Condense water drain door door ...

Страница 38: ...al pump control is applied without written approval of Strebel the complete warranty on the S CB 400 550 boiler and all supplied parts will become invalid For operation the boiler needs a power supply of at least 230 VAC 1 50 Hz and depending on the selected pump type 400 VAC 3 50 Hz The boiler connections are not life neutral sensitive the boiler is not phase sensitive The wiring to the connectio...

Страница 39: ...0 11 12 EXTERNAL WPS GENERAL BLOCKING EMPTY 13 14 15 16 ON OF STAT or OPEN THERM HEATING CIRCUIT 0 10 VDC 17 18 A B CASCADE CONNECTION 19 20 21 22 23 24 LOCK OUT N O TOP OPERATION N O TOP HEAT DEMAND N O TOP 25 26 27 28 29 30 LOCK OUT N O BOTTOM OPERATION N O BOTTOM HEAT DEMAND N O BOTTOM 34 35 36 L N CH SYSTEM PUMP P3 37 38 39 40 L1 N L2 DIVERTOR VALVE CALORIFIER COLORIFIERPUMP P2 41 42 43 L N IN...

Страница 40: ...ection needs to be fused with a maximum 16 A fuse When a pump motor safety circuit is required this should be added externally from the boiler Another option is to use a pump with an internal electronic safety circuit Maximum operational switch current for the pump relay is 9 A per phase Connecting a 230V 1 pump Power supply 1 230V 50Hz N GND Boiler pump 1 230V 50Hz N GND Connecting a 400V 3 pump ...

Страница 41: ... going to the heating coil s will be shown in the display 7 8 GENERAL BLOCKING A heat demand that will start the burner will be blocked when terminals 7 and 8 are not bridged This connection is for the use of external safety devices Terminals must be bridged for allowing burner to fire PARAMETER A parameter change is needed 9 10 EMPTY 11 12 EXTERNAL WATER PRESSURE SWITCH A water pressure sensor is...

Страница 42: ...en the unit receives any heat demand this contact will close 34 35 36 CH SYSTEM PUMP P3 Connection to control a central heating system pump P3 Do not use this connection for the power supply of this pump use an external relay 37 38 39 40 DIVERTOR VALVE CALORIFIER When using a calorifier hot water tank a 3 way valve or a pump P2 can be used to divert hot water to the heating coil of the calorifier ...

Страница 43: ...7 S3 External flow sensor NTC 10K B3977 S4 Calorifier tank sensor NTC 10K B3977 S5 Outdoor sensor NTC 12K B3740 S6 Flue gas sensor NTC 10K B3975 Conversion table temperature vs resistance except outside sensor NTC 10k B3977 B3975 Temperature C Resistance Ω Temperature C Resistance Ω Temperature C Resistance Ω Temperature C Resistance Ω 30 175203 20 12488 70 1753 120 387 25 129289 25 10000 75 1481 ...

Страница 44: ...rol 5V water pressure sensor when no water pressure switch is connected Heat demand NO CN6 display CN7 ionistion and or ignition Heat demand NO gas valve s N C N C ref 1 internal connections internal connections FAN 24Vdc K2 K6 K5 K5 K3 K3 K0 K0 K8 K8 K6 K6 K8 K7 K7 K4 K8 K3 K9 K9 K9 K5 6 5 3 4 2 1 K4 K4 K2 K2 K2 K2 ref 1 K1 K1 K7 K8 K7 K7 K3 K5 K7 K6 K0 K8 K8 K6 K3 K6 Rear wall thermal fuse K7 K7...

Страница 45: ...CN8 separate ionisation input always active Heat demand NO N close CN10 boiler casing F1 F2 fuse 1 fuse 2 Room thermostat L Room thermostat in FAN K8 K7 K7 K4 K8 K3 K6 K8 K2 K6 K2 K2 K6 K9 K9 K9 K5 1 2 4 3 5 6 7 6 5 3 4 2 1 7 6 5 3 4 2 1 8 9 10 CN not used CN4 K10 K10 K10 K10 K10 P 230Vac mains internal cascade connection 34 35 36 L N CH system Pump P3 K6 K2 WIRING COLORS K0 white K6 blue K1 yello...

Страница 46: ...rn Valve NRV end contact 24Vdc fan Hall fan PWM fan control Heat demand NO CN6 display CN7 ionisation and or ignition Heat demand NO gas valve s N C internal connections internal connections FAN 24Vdc K2 K6 K5 K5 K3 K3 K8 K7 K7 K4 K8 K3 K9 K5 6 5 3 4 2 1 K1 K1 K7 K6 K0 K8 bottom 230Vac mains internal cascade connection WIRING COL K0 white K1 yellow K2 brown K3 green K4 grey K5 orange not used N O ...

Страница 47: ... incl ionisation input CN8 separate ionisation input always active Heat demand NO close CN10 boiler casing F1 F2 fuse 1 fuse 2 Room thermostat L Room thermostat in FAN K8 K7 K7 K4 K8 K3 K6 K2 K2 K6 K9 K5 1 2 4 3 5 6 7 6 5 3 4 2 1 7 6 5 3 4 2 1 8 9 10 CN not used CN4 K10 K10 K10 bottom WIRING COLORS K0 white K6 blue K1 yellow K7 red K2 brown K8 black K3 green K9 purple K4 grey K10 yellow green K5 o...

Страница 48: ...R MENU COMM PORT MENU ON OFF RESET ENTER SERVICE CONTROL PANEL DISPLAY 2 rows each 20 characters Press and hold for three seconds for stand by progr mode Press and hold for six seconds to switch boiler on off Used as RESET and ENTER button when program Connector for connecting computer cable Button is pushed to open MENU Buttons to toggle through measured temperatures Also used for navigating thro...

Страница 49: ... sage for three seconds Message can be set in parame ters example Company name City Country press Display shows for three seconds Heater type Time date and day example Z FG 550 13 51 US or EU 06 01 2010 Wed After this message the display shows for three seconds Software version and Cascade designation example Firmware Mk 00197 Address 0 press These three messages will also show when Heater is conn...

Страница 50: ...amount of degrees diff relative to Hot water set point during night reduction PROGRAM menu In this menu one can set the CH DHW and Anti Legionnella program OUTDOOR menu In this menu one can set all Outdoor relevant parameters OPERATING HISTORY menu Shows burning hours DHW Heating etc FAULT HISTORY menu press Reading last fifteen faults only reading TIME DATE DAY menu In this menu one can set the t...

Страница 51: ...e turned off by P5 BJ Explanation Actual status screen Actual status B o i l e r o f f When boiler is switched off only text in the display during this status N o d e m a n d No heat demand signal coming from the room thermostat and calorifier sensor open S t a n d b y Room thermostat calorifier sensor thermostat detect heat demand but set point is reached P r e p u r g e The fan is purging before...

Страница 52: ...detect this sensor S h o r t e d Shown when sensor wires or sensor itself is shorted SCREEN 4 d T F l o w R e t u r n 1 2 3 9 C Temp difference between internal flow return sen sor d T F l u e R e t u r n 1 2 3 9 C Temp difference between flue gas internal return sensor SCREEN 5 Temp difference between external internal return ΔT LLH d T E x t R e t u r n 1 2 3 9 C S i g n a l P o w e r External s...

Страница 53: ...t to the cascade When the leading boiler is changed according to the set priority change time then that boiler s address will be shown first in the row of numbers Example 1 3 4 5 0 1 2 There are six boilers present and nr 3 has priority Example 2 3 4 x d 1 2 There are six boilers present and nr 3 has priority Boiler 0 is heating up an indirect DHW tank Boiler 5 is present but in a lock out SCREEN ...

Страница 54: ...de 26 The burner is firing at 26 90 0oC Max allowable water temp during service 60 0oC Actual measured water temp when P5BJ active Press SERVICE to exit The unit will go to the operating screen Press 3 s ON OFF to exit The unit will be switched off By using the buttons the burner firing rate can be changed Press MENU to access the main menu Press MENU to return to the service menu Use buttons to b...

Страница 55: ...in the heater will fire at 50 firing rate In this state the display shows F l u e s e r v i c e m o d e P o w e r 5 0 When the button is pressed briefly again the heater will fire at maximum firing rate In this state the display shows F l u e s e r v i c e m o d e P o w e r M a x i m u m When the button is pressed briefly again the heater will return to the normal operation mode The Schornsteinfeg...

Страница 56: ...am the boiler at the control panel see the following sections Terminate programming mode by pressing MENU or ENTER and NO or YES Reactivate the boiler by pressing ON OFF for three seconds again 10 8 Setting the time date The following graphs describe how to program the time and date of the unit Operating screen H E A T I N G b o i l e r o f f 1 2 3 4 C 1 2 3 4 C Press MENU Main menu screen M a i n...

Страница 57: ...ER for confirmation screen when all the changes are made Confirmation screen A r e y o u s u r e C a n c e l C o n f i r m Press to cancel the changes made unit will reset Press to confirm the changes The value set in the screen when pressing enter will be shown for a few seconds After this the display returns to the normal operating screen Heating set point normal day time H e a t i n g s e t p o...

Страница 58: ...hat is active during the programmed DHW periods parameter P4 AA 1 2 DHW set point reduction Parameter P4 AA 1 2 D H W R e d u c e 1 0 C The reduction of the DHW set point related to normal day time set point This reduction is used outside the pro grammed DHW periods parameter P4 AA 1 2 NOTICE The max actual DHW temperature will never exceed the value set at Heating Setpoint regardless the set DHW ...

Страница 59: ... ENTER for confirmation screen when all settings are done Confirmation screen A r e y o u s u r e C a n c e l C o n f i r m Press to cancel the changes made unit will reset Press to confirm the changes The last alternation will be blinking for a few seconds and return to base menu Press MENU to exit The boiler will reset and go to the operating screen Press for next SCREEN Copy programmed day for ...

Страница 60: ... few seconds and return to base menu Press MENU to exit The boiler will reset and go to the operating screen Press for next SCREEN Copy programmed day for DHW C o p y f r o m D H W M o n C o p y t o D H W T u e Press to switch between Copy from and Copy to The blinking day is selected and can be changed Press to change the selected blinking value Press ENTER for confirmation screen when all settin...

Страница 61: ...and go to the op erating screen Press for next SCREEN 10 11 Setting the outdoor specifications 10 11 1 PARAMETERS FOR SETTING THE OUTDOOR GRAPH When using this function the flow temperature is calculated based on the measured outdoor temperature The rela tion between the outdoor temperature and the flow temperature can be programmed with the following parameters This setting creates the so called ...

Страница 62: ...mperature at maximum C This sets the desired minimum flow temperature at the set maximum outside temperature P6 BC Heat curve parallel shift C The heating curve is set by the parameters Next to these settings set by the installer the end user has the freedom to influence the flow temperature by doing a parallel shift setting In this parameter the margins are set within which the user can increase ...

Страница 63: ...sor sensor resistance is 10 kohm at 25 C Default the parameter 0 so the used sensor is assumed to be 12 kΩ P2 HA Outdoor sensor hysteresis C If the outdoor temperature reaches the temperature set in P5 AH Warm weather shutdown the unit won t start for heating If the measured outdoor temperature drops P5 AH minus P2 HA the boiler can start up for heating again P6 BA CH User Setting C The set point ...

Страница 64: ...een after all changes are made Confirmation screen A r e y o u s u r e C a n c e l C o n f i r m Press to cancel the changes made unit will reset Press to confirm the changes made The time and day will start blinking for a few seconds After this the display returns to its operating screen 0 1 O u t s i d P r e s P5 AA 0 0 2 H C m i n O u T m p P5 AC 1 5 C 0 3 H C m i n F l T m p P5 AD 8 5 C 0 4 H ...

Страница 65: ... 1 0 0 0 0 0 0 h r s D h w T o t 1 0 0 0 0 0 0 Top line Total burning hours for heating Bottom line Total burning hours for domestic hot water SCREEN 3 h r s C h 5 0 1 0 0 0 0 0 0 h r s C h 5 0 1 0 0 0 0 0 0 Top line Burning hours for heating while the burner was firing less than 50 Bottom line Burning hours for heating while the burner was fir ing equal or higher than 50 SCREEN 4 h r s D h w 5 0 ...

Страница 66: ...10 faults For each fault the dis play blinks between the two screens shown above The top line of the top screen shows the fault number and the bottom line of the top screen shows the date day and time the fault occurred On the top line of the bottom screen the fault type is displayed The bottom line shows the following SV The total amount of this fault that has occurred after the last time that th...

Страница 67: ...les The text will blink once briefly after resetting Operating screen M a i n t e n M o d e Blinking bottom line What is blinking at the second line before a selection is made is the active maintenance option Press or to change the selected blinking op tion Screen Selecting of all maintenance options M a i n t e n M o d e A l l Press to set The option that is blinking can be changed using by Date ...

Страница 68: ... m Press to cancel the changes or to confirm the changes Hereafter the boiler returns to the operating screen Screen Message after total amount of ignition cycles M a i n t e n M o d e I g n i t i o n c y c l e s Press to set The total amount of ignition cycles for the Maintenance message Press to Return to maintenance mode selection The blinking value can be changed with Press ENTER to confirm th...

Страница 69: ... i n t e n M o d e M a i n t e n O f f Press ENTER to confirm the changes Confirmation screen A r e y o u s u r e C a n c e l C o n f i r m Press to cancel the changes or to confirm the changes Hereafter the boiler returns to the operating screen Note The MENU button will return the display to the operating screen BE AWARE This function is standard turned OFF We offer this programmable function to...

Страница 70: ...T I N G b o i l e r o f f 1 2 3 4 C 1 2 3 4 C Press MENU Select User lock using and press ENTER User lock screen S e t U s e r l o c k 0 0 The 0 is now blinking selected and can be changed Use to change the value 0 User lock function OFF 1 User lock function ON Press ENTER for the confirmation screen after the selection has been made Confirmation screen A r e y o u s u r e C a n c e l C o n f i r ...

Страница 71: ... y s t no 7 P5CJ Legionella hold time 0 off min L e g i o h o l d no 8 P2KI CH interrupt by Legionella 0 yes 1 no L e g i o i n t r no 9 P2LC Regulation temperature offset DHWd C D H d s c O f f 2 yes A P2MN Proportional range DHWd modulation C D H d s c P r b 2 3 no B P2LD Regulation temperature hysteresis DHWd C D H d s c D i f 2 yes C P2MO integration time DHWd modulation s D H d s c I n t 2 3 ...

Страница 72: ...he offset of the programmed CH temperature Menu A Heating A 3 H E s P r b 1 3 2 5 C Select the CH supply temperature control This parameter is the proportional range of the selected CH supply temperature Menu A Heating A 4 H E s c D i f 1 3 1 0 C Select the CH supply temperature control This parameter is the hysteresis of the selected CH supply temperature Menu A Heating A 5 H E s l n t 1 3 6 0 S ...

Страница 73: ...aytime setting Contact open night time setting Menu B Hot water B 1 D H i p m p t w v 1 Hot water function of the boiler by 0 pump 1 3 way valve Menu B Hot water B 2 D H i f l o w L O 2 5 C Hot water function of the boiler This parameter is the CH sup ply temperature LOW level with an indirect hot water demand Menu B Hot water B 3 D H i f l o w H I 8 5 C Hot water function of the boiler This param...

Страница 74: ...teurisation function of the boiler This parameter controls if the CH demand can be interrupted by the pasteurisation function of the boiler 0 Yes 1 No Menu B Hot water B 9 D H d s c O f f 2 4 C Function for the direct hot water boiler This parameter is de off set of the selected HW temperature of the boiler Menu B Hot water B A D H d s c P r b 2 3 2 0 C Function for the direct hot water boiler Thi...

Страница 75: ...he calorifier tank Menu B Hot water B G D H i d e t g r a d 3 C Function for the indirect hot water supply of the boiler tank This parameter detects an an accelerated hot water de mand when a larger water amount is being used Menu C Cascade C 1 M a x C a s c U n t 1 1 Function for the cascading of the boiler s This parameter sets the total number of cascaded boilers Max 12 boilers Menu C Cascade C...

Страница 76: ... parameter determines the number of cascaded boilers that are implemented with a common flue system Menu D General D 1 0 1 0 V c o n t r 0 Function for the external control of the boiler by using a 0 10 Volt signal Connections 15 16 0 No external control 1 Control based on temperature setting 2 Control based on power setting Menu D General D 2 0 1 0 M i n T m p 2 0 C Function for the external cont...

Страница 77: ...a sensor is used up to 6 bar a switch 0 off 1 sensor 2 switch Menu D General D 8 g a s t y p e Function to select gas type according to EN437 0 G20 G25 1 G31 2 B P G30 G31 Menu D General D 9 c o n f i g Function for setting the soft start option 0 normal start up 1 reduced fan ramp up speed I 2 reduced fan ramp up speed II Menu D General D A c o n f i g Function Pump mode 0 normal 1 relay 1 connec...

Страница 78: ...lay message F10 F a l s e f l a m e s i g n a l p u m p o n 9 9 9 5 h r s Reason Flame signal is detected while it cannot be expected Display message F8 F a i l e d b u r n e r s t a r t p u m p o n 9 9 9 5 h r s Reason Boiler is not starting after the programmed starting attempts Display message F11 F a n s p e e d i n c o r r e c t p u m p o n 9 9 9 5 h r s Reason The controller does not detect ...

Страница 79: ...F l u e t e m p t o o h i g h p u m p o n 9 9 9 5 h r s Reason Flue gas temp exceeds the limit more than 3 times within a certain time frame Display message F5 N o n R e t u r n V a l v e p u m p o n 9 9 9 5 h r s Reason Contact signal of the non return valve failed Display message F13 P a r a m H a r d w f a u l t p u m p o n 9 9 9 5 h r s Reason Fault during programming of the boiler software pa...

Страница 80: ...e gas temperature has exceeded the limit Display message G e n B l o c k 9 9 9 5 h r s Reason The general blocking circuit is activated during operation contact 7 8 Display message L i n e f a u l t 9 9 9 5 h r s Reason Wrong electrical power supply is connected not 50 or 60 Hz 220 240 Volt Display message N R V o r F a n f a u l t 9 9 9 5 h r s Reason Non return valve contact signal activated Dis...

Страница 81: ...er a certain programmed date has been reached The boiler will operate independently of these mes sages The display shows alternating the base screen and this message while the backlight is blinking The boiler is operating but will count the exceeding hours A parameter must be changed after service to remove this message Display message N e e d s M a i n t e n a n 0 0 I g n i t i o n c y c l e s h ...

Страница 82: ...MPERATURE DISPLAY ON OFF Selection for showing the measured temperatures in the operation display of the boiler P5BJ Temperature display 1 on display D5 The measured temperature in the operation display 0 not visible 1 visible 11 1 4 WATER PRESSURE P4AD Pressure 0 off 1 sensor 2 switch display D7 When the water pressure exceeds 4 bar a pressure switch must be used instead of the sensor suitable ti...

Страница 83: ...t stop function with a separate control con nection this parameter determines the relay for switching the pump on and off P5 BN Pump mode 0 modulating 1 relay1 2 relay2 3 relay3 4 do not use display DA Do not use the 230 Vac relay for the main power supply of the pump but directly connect the pump to the mains of the boiler Pumps with an on off control can be switched by one of the relay connectio...

Страница 84: ...ntrolled by the internal flow sensor S1 and used for single units When controlling cascaded units with an external system sensor S3 this sensor will be used not used P2 MI Blocking offset System CH temperature control display A6 The amount of degrees the measured temperature exceeds the active flow temperature set point before heat demand stops Only active when the unit is controlled by an externa...

Страница 85: ...c signal will control the temperature set point Possible settings are 0 0 10V control off 1 0 10V temperature set point control active 2 0 10V burner input control active P5 AI Minimum Temperature 0 10V input display D2 The standard starting temperature of the heat demand when the minimum voltage signal is sent to the boiler The factory settings for all heating applications are working fine and it...

Страница 86: ...ation between the burner input and the control signal Curve and values only for illustration purposes programmed parameter values can deviate 11 2 7 TIMER CONTACT FUNCTION This function can be activated when using an external night reduction timer for heating This timer contact can be connected to the thermostat terminals connections 13 14 P5 AB Timer Contact 1 on display A9 When this parameter is...

Страница 87: ...l turn to the position to supply heat to the tank coil s In case of a heat demand and hot water demand the central heating pump will switch off until the hot water demand ends P4 AB DHW Pump Config 0 Pump 1 TWV display B1 With this parameter it is programmed if the flow to the indirect water tank calorifier is controlled by a pump 0 pump or a 3 way valve 1 TWV 11 3 3 TANK SENSOR A tank sensor can ...

Страница 88: ...for this function is that the boiler by supplying a lower flow temperature to the heat exchanger of the calorifier can stay in its condensing mode if the temperature is low enough and thus operate at a higher efficiency level When it takes too long P5 CL to heat up the tank with this low temperature mode the flow temperature set point will change to a higher setting to make sure that the hot water...

Страница 89: ...o operate for CH demand even when there is still a DHW demand P5 CM Max Runtime CH during DHWi demand The programmed period for the boiler to operate for CH demand in case of a DHW demand After this period the boiler will continue to operate for DHW demand even when there is still a CH demand The standard factory setting for this function is that the hot water demand always has priority and that n...

Страница 90: ... s disease function starts The standard factory setting for this function is OFF Curve and values only for illustration purposes programmed parameter values can deviate The settings of these parameters P5 CI P5 CJ and P5 CD must be programmed according to all applicable anti Legionnaires disease preventing regulations The setting of these parameters can only be done by the manufacturer supplier of...

Страница 91: ...op to the boiler control one order no E400278 This software is used for programming but also shows all measured temperatures and cascade behaviour during operation and service fault history 11 4 1 PARAMETER SETTINGS FOR CASCADED BOILERS Before programming the cascaded boilers make sure that all boilers are connected wired with each other Use connection 17 and 18 of each boiler NOTICE Do not altern...

Страница 92: ...the boiler at a cascade alignment 0 Single Slave unit 1 Master unit Menu C Cascade C 2 B u s a d d r e s s 0 Function for the cascading of the boiler s This parameter determines the address of the boiler for the total cascading control Master 0 Slave1 1 etc When the correct parameter is set this must be confirmed at the confirmation screen After activation the value will blink for a few seconds wh...

Страница 93: ...below To distribute operating hours equally over all burners the working sequence of the burners will change every two hours Hour Switching ON sequence Switching OFF sequence X Master Slave 1 Slave 2 Slave 3 Slave 4 Slave 5 Slave 6 Slave 7 Slave 7 Slave 6 Slave 5 Slave 4 Slave 3 Slave 2 Slave 1 Master X 2 Slave 7 Master Slave 1 Slave 2 Slave 3 Slave 4 Slave 5 Slave 6 Slave 6 Slave 5 Slave 4 Slave ...

Страница 94: ...ering the system through these leaks This boiler has an automatic air vent situated on top of the boiler at the roof panel This vent must be opened during the filling of the boiler and the heating system to make sure that no air oxygen is trapped in the heat exchanger of the boiler NOTICE check that the screw cap has been loosened at least one twist Shortly after putting the boiler into operation ...

Страница 95: ...sage d T B l o c k 9 9 9 5 h r s Reason Temperature difference between flow and return exceeds the blocking value but not the lock out value When this delta T value exceeds the lock out setting the boiler will switch off and the following lock out code will be shown at the display Display message F16 F l o w R e t u r n d t f a u l t p u m p o n 9 9 9 5 h r s Reason Temperature difference between ...

Страница 96: ...ner The lower part in which the bottom burner fires is only transferring heat from the bottom burner After the flue gases have passed the primary heat exchanger they merge in the central part In this secondary part the remaining heat is extracted from the flue gases of both burners causing condensation of the gases if cooled down sufficiently Measuring the CO2 percentage in the flue gas outlet out...

Страница 97: ...eat demand The display describes The actual operation for heating or hot water If a heat demand is activated The temperature setting The temperature measured When mounting the bottom part of the si phon before commissioning the boiler and or after maintenance the siphon must ALWAYS be completely filled with water This is a safety measure the water in the siphon keeps the flue gases from entering t...

Страница 98: ...s for maximum and minimum load 2 CO2 O2 Gas Type 1 Max load Min load Max load Min load G20 G25 3 9 0 9 2 8 8 9 0 4 5 4 8 4 8 5 2 Propane3 G31 10 5 10 7 9 8 10 0 4 6 4 9 5 7 6 0 B P 3 4 G30 G31 10 5 10 7 9 8 10 0 5 0 5 3 6 0 6 3 1 Cf EN437 2 All values measured without front door The CO2 O2 values should always be between the values set in this table Nominal values can be found in Technical specifi...

Страница 99: ...tane mixture G30 G31 The CO2 level may never be in the hatched area Figure 3 adjust adjust adjust adjust max load min load 4 5 4 8 4 8 5 1 O2 9 2 9 0 9 0 8 8 CO2 adjust adjust adjust adjust max load min load 4 6 4 9 5 7 6 0 O2 10 7 10 5 10 0 9 8 CO2 O K O K O K O K adjust adjust adjust adjust max load min load 4 8 5 1 5 8 6 2 O2 10 7 10 5 10 0 9 8 CO2 O K O K ...

Страница 100: ... turns open counter clockwise nat gas G20 1 and G25 1 propane G31 1 and B P S CB 400 top 2 5 0 75 bottom 3 0 0 75 S CB 550 top 3 5 1 0 bottom 3 5 1 0 1 In accordance with EN437 14 1 3 GAS VALVE SETTING SCREWS DRAWING Nr Description 1 Remove cap 2 Adjustment at maximum load Use Allen key no 3 higher turn left CCW lower turn right CW 3 Adjustment at minimum load Use Torx T40 key higher turn right CW...

Страница 101: ...RIGINAL PLUGS Removing plug from heat exchanger Loosen the plug Loosen M8 wing nut counter clockwise approximately 20 mm DO NOT UNSCREW THE NUT ENTIRELY FROM THE BOLT Pull the plug out Pull and tilt the bolt so the metal lip can be extracted Mounting the plug Position the plug into heat exchanger Insert the metal lip upwards into the hole and tilt the bolt to a horizontal position so the lip is co...

Страница 102: ...ext Adjust the bottom burner lower measuring hole Bottom burner Go to service mode In case of gas conversion set parameter P4BD to the correct gas type at the right panel bottom burner First close screw 2 of the valve then set it in accordance with table 2 Go to service mode If burner doesn t start open screw 2 turn extra 1 Maximum load check and adjust 2 Minimum load check and adjust Repeat steps...

Страница 103: ... 14 2 1 GENERAL REMARK For all adjusting steps under A the following must be applied No adjustment is needed as long as measured values are within the margin of the table or figures 1 or 2 Checking and adjusting the top burner Start top burner On the left control panel controlling the top burner go to service mode press SERVICE button for about four seconds After start up it shows Display message ...

Страница 104: ...BOTH BURNERS To switch both burners on at the same time switch to service mode set one burner at 50 load using the and or buttons While this burner is on switch the other burner to service mode press SERVICE button for 4 seconds After start up set it also at 50 load To set both burners at maximum load press buttons on both panels simultaneously Measure CO2 in the upper measuring hole top burner a ...

Страница 105: ...Turn setting screw 2 of the upper gas valve clockwise until you feel resistance This means that the valve is closed do not try to tighten the screw any further Now turn this screw counter clockwise open according to the number of turns in table 2 for the used boiler and gas type If the burner doesn t start up in service mode turn screw 2 an extra quarter turn counter clockwise and try again Pre ad...

Страница 106: ...MENU for 3 seconds Main menu Clock press button to select Main menu parameter press ENTER enter password level 2 press to select the number press to adjust press ENTER after confirmation the display shows A1 Step modul press button to select D8 Gas type press to select the correct setting 0 standard gas e g natural gas G20 G25 3 1 propane G31 2 B P G30 G31 press ENTER to confirm boiler returns to ...

Страница 107: ...ion protection if applic able and frost protection NOTICE Pump 3 CH pump is switched OFF but this is NOT the case when the boiler is in a cascade or if only one burner has been switched off To reactivate the boiler switch on the burners by pressing ON OFF for six seconds again 2x The frost protection module can still activate the burner s To prevent this switch off this protection or put the boile...

Страница 108: ... the boiler is in lockout the backlight of the display is blinking on and off Explanation 9 9 9 5 h r s time elapsed after fault mes sage Explanation P u m p 1 o n status of the pump during fault Display message F15 C l i x o n F a u l t p u m p o n 9 9 9 5 h r s Reason Heat exchanger fuse exceeded maximum value Cause The thermal fuse of the heat exchanger has opened permanently Corrective action ...

Страница 109: ...e gas valve wiring connections Check if the gas valve settings are correct and adjust if necessary Check if the gas pressure is correct and sufficient Check if the air supply is open not blocked Cause Flame but not enough ionisation to establish the flame Corrective action Check the ignition electrode and replace clean if necessary Check the state of the ceramic insulator Check the distance betwee...

Страница 110: ...an external gas pressure regulator is selected installed correctly Check the gas pressure that is supplied to the building call the supplier if necessary Cause Bad gas valve or gas valve settings Corrective action Check and set gas valve settings Cause Bad electrode electrode wiring connection bad ionisation signal Corrective action Check ionisation signal Check the ignition electrode and replace ...

Страница 111: ...t u r n d t f a u l t p u m p o n 9 9 9 5 h r s Reason Temperature difference between flow and return exceeds limita tion value or dT block or delta direct block has occurred 3 times Cause The water flow through the unit is too low Corrective action Check functioning of the pump Check open all valves that might restrict the water flow through the unit Check for an external system pump that influen...

Страница 112: ...on This is an unlikely situation but when there is severe damage to the heat exchanger the combustion product will not be able to transfer all heat to the system water The heat that is not transferred will convert to an increased flue gas temperature Display message F5 N o n R e t u r n V a l v e p u m p o n 9 9 9 5 h r s Reason NR valve contact signal lost for fixed amount of time If P2MT 2 or 3 ...

Страница 113: ...ge F3 R e t u r n s e n s o r e r r o r p u m p o n 9 9 9 5 h r s Reason Return sensor is not detected by the boiler PCB Cause Bad wiring connection in the return sensor circuit Corrective action Check for loose wiring connections in the return sensor circuit Cause Bad temperature sensor causing a fault signal Corrective action Replace return sensor Display message F12 p r o g r a m m i n g e n d ...

Страница 114: ...n hose must have an open connection to the external system If not pressure fluctuations in the building drainage system can have effect on the pressure in the heat exchanger of the boiler Corrective action Make sure that there is an open connection between the siphon hose and the drainage system of the building installation The condensate should flow in the drainage system through a freely breathi...

Страница 115: ... Cause The water flow through the unit is too low Corrective action Check functioning of the pump Check open all valves that might restrict the water flow through the unit Check for an external system pump that influences the flow through the unit Check if the system resistance exceeds the spare capacity of the unit pump Check the heat exchanger Heat exchanger fouling partly blockage will increase...

Страница 116: ... water and won t leave through the flue system Cause Heat exchanger failure Corrective action This is an unlikely situation but when there is severe damage to the heat exchanger the combustion product will not be able to transfer all heat to the system water The heat that is not transferred will convert to an increased flue gas temperature Display message G e n B l o c k 9 9 9 5 h r s Reason Gener...

Страница 117: ...still open Cause It is not proven that the non return valve of the burner that is not burning is closed Corrective action When a closed non return valve is proven this message will disappear If not a lockout message will appear Cause It is not proven that the non return valve of the burner that is not burning is closed but the fan is running to prevent recirculation If P2MT 1 Corrective action Che...

Страница 118: ...pen all valves that might restrict the water flow through the unit Check for an external system pump that influences the flow through the unit Check if the system resistance exceeds the spare capacity of the unit pump Make sure the heat exchanger is clean Heat exchanger fouling partly blockage will in crease the resistance causing the water flow to drop Display message W a t e r p r e s s u r e f ...

Страница 119: ...ay message N e e d s M a i n t e n a n 0 0 D a t e h r s Reason Maintenance option of the date has been reached Display message N e e d s M a i n t e n a n 0 0 B u r n i n g h o u r s h r s Reason Maintenance option of total amount of burning hours has been reached Display message N e e d s M a i n t e n a n 0 0 A l l h r s Reason One of the abovementioned maintenance options has been reached This...

Страница 120: ...ing with the correct water and or combustion air quality it is advised that a first check is executed after already half a year This check serves to determine the frequency of the future services The maximum interval between two services is a year INSPECTION AND MAINTENANCE MUST BE EXECUTED FOR A SAFE AND EFFICIENT OPERATION OF THE BOILER 17 2 Inspection maintenance At least every twelve months ma...

Страница 121: ... connect the burner nose to the non return valve and the ignition cable After this take out the burner unit by moving it forward out of the boiler housing NOTICE watch out not to damage the burner plate insulation during this operation Burner Check the burner surface to see if it has damages signs of rust and or cracks When the burner surface is damaged the burner must be replaced The burner can b...

Страница 122: ...Non return valve Remove the non return valve from the fan by loosening the nuts and remove the wiring by disconnecting the con nector Check if there is any moist or any traces of moist on the fan side of the valve This can indicate that there is a possible leakage of the non return valve danger of recirculation Check always if the rubber seat on which the valve closes isn t damaged or if there is ...

Страница 123: ...sting and setting the burner Pump Check the electrical parts and the motor of the pump for a correct functioning The pump must generate a sufficient water flow over the heat exchanger of the boiler When the pump produces noise is operational for more than 5 years or has signs of water leakage it is recommended to replace the pump as a precaution When defects and abnormalities are found by the serv...

Страница 124: ...Table for system 1 Code Name Wire terminal Part nr P1 Boiler pump Relay pump1 RT Modulating room unit with timer 13 14 S04 016 355 PARAMETER CHANGE NO Table for system 2 Code Name Wire terminal Part nr P1 Boiler pump Relay pump1 OS Outside temperature sensor 01 02 PARAMETER CHANGE NO Table for system 3 Code Name Wire terminal Part nr P1 Boiler pump Relay pump1 RT Modulating room unit with timer 13...

Страница 125: ... 016 304 PARAMETER CHANGE NO Code Name Wire terminal Part nr P1 Boiler pump Relay pump1 P2 Calorifier primary pump 38 40 230 Vac control signal P3 System pump 34 36 230 Vac control signal OH Low loss header T Calorifier NRV Non return valve RT Modulating room unit with timer 13 14 OS Outside temperature sensor 01 02 E04 016 585 FS External flow sensor 03 04 E04 016 304 ST Tank sensor 05 06 E400277...

Страница 126: ...or 03 04 E04 016 304 PARAMETER CHANGE YES Code Name Wire terminal Part nr P1 Boiler pump Relay pump1 P2 Calorifier primary pump 38 40 230 Vac cont signal P3 System pump 34 36 230 Vac cont signal OH Low loss header T Calorifier NRV Non return valve RT Modulating room unit with timer 13 14 OS Outside temperature sensor 01 02 E04 016 585 FS External flow sensor 03 04 E04 016 304 ST Tank sensor 05 06 ...

Страница 127: ......

Страница 128: ...Road Farnborough Hampshire GU14 7QU T 01276 685422 F 01276 685405 E info strebel co uk I www strebel co uk Further information on our complete product range is available from our website CAST IRON CONDENSING STEEL SHELL WATER HEATERS RENEWABLES FLUES ACCESSORIES ...

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