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9. SECTION - LPG INSTRUCTIONS

BS 6798

INSTALLATION OF BOILERS OF RATED INPUT NOT EXCEEDING 60 kW

BS EN 12828

DESIGN FOR WATER-BASED HEATING SYSTEMS

BS 5440

PARTS 1 & 2

FLUES & VENTILATION

BS 6891

SPECIFICATION FOR THE INSTALLATION AND MAINTENANCE OF LOW

PRESSURE GAS INSTALLATION PIPEWORK OF UP TO 35 MM

Gas Pressures

UNICA MAX 20S

UNICA MAX 30S

Inlet pressure

37.0 mbar

Maximum gas rate

1.55 (kg/h)

2.48 (kg/h)

Minimum gas rate

0.39 (kg/h)

0.54 (kg/h)

Injector size (mm)

1 x Ø 4.3 mm

1 x Ø 5.2 mm

Number of fan rotations with slow ignition

5,500 (rpm)

Maximum number of heating fan rotations

6,000 (rpm)

7,200 (rpm)

Minimum number of heating fan rotations

2,000 (rpm)

1,900 (rpm)

Emissions

NOx (max-min)

30 - 30 p.p.m.

50 - 40 p.p.m.

CO (max-min)

130 - 10 p.p.m.

160 - 10 p.p.m.

(max-min) (*)

10.0 - 10.0 %

(*) CO

tolerance = +0.6% -1%

9.3 APPLIANCE RE-CONFIGURATION FOR LPG

WARNING!

The gas supply to the appliance must remain turned OFF

until the following procedure has been completed.

1. Select STATE

BOILER.

2. Set the SERVICE password

3. Select TECHNICAL

COMBUSTION MONITORING

GAS TYPE

LPG

ERROR HISTORY

EXHAUST PROBE RESET

AIR PURGING CYCLE

PARAMETERS

COMBUSTION MONITORING

SERVICE

TECHNICAL

BOILER TYPE

COMBUSTION OFFSET

GAS TYPE

SERVICE

COMBUSTION MONITORING

NATURAL GAS

LPG

GAS TYPE

4. Use the ‘back’ button to return to the ‘TECHNICAL’ menu

and select ‘COMBUSTION MONITORING’.

5. Using the data in section 6.2.5, adjust the fan speed

settings to the values indicated in section 6.2.5 – pressing

the select button to confirm each change.

6. Press and hold the ‘back’ button for 2-seconds to exit the

‘Service’ parameters menu.

7. Carry out a combustion check – as detailed in section 6.12

– using the LPG values as indicated in section 6.2.5 above.

NOTE:

the appliance gas valve is factory set and therefore

non-adjustable. Do not attempt to adjust or interfere with the

settings of the gas valve, as to do so, will cause the appliance

to malfunction and may lead to serious damage.

The boiler DOES NOT require additional adjustments.

The boiler may only be converted by qualified staff.

After conversion apply the LPG label to the

appliance data plate (LPG label is contained within

the documentation pack).

9.1 RELATED DOCUMENTS

9.2 TECHNICAL DATA

Содержание 41-364-13

Страница 1: ...d member of the Benchmark scheme which aims to improve the standards of installation and commissioning of domestic hot water systems in the UK UNICA MAX 20S NG G C N 41 364 13 UNICA MAX 30S NG G C N 4...

Страница 2: ...s 1 2 ELECTRICAL SUPPLY Please ensure that this appliance has been properly connected to the electrical supply by means of a double pole isolator or un switched socket and that the correct size of fus...

Страница 3: ...shing This icon indicates that the circuit for domestic hot water production is enabled When a domestic hot water request is in progress the icon flashes default value parameter water tank type 0 If w...

Страница 4: ...OP TIME 20 00 00 00 23 59 USER only if NIGHT REDUCTION active 1 MENU DEFAULT VALUE FACTORY SET MINIMUM VALUE MAXIMUM VALUE ACCESS LEVEL NOTES MENU SETTINGS USER TIME DATE USER DAYLIGHT SAVINGS TIME FU...

Страница 5: ...essing the ok and back keys it will be possible to select the other zones in this sequence only if added and configured with the REC10 H PLANT MAIN ZONE ZONE 1 ZONE 2 The TIME AND DATE DAYLIGHT SAVING...

Страница 6: ...and confirm Once the selection is confirmed the display returns to the SET screen If the selection is cancelled or the back key is pressed you return to the previous SET screen SET HEATING 78 0 C SET...

Страница 7: ...t time is replaced with the boiler flow temperature and turns on the icon concerning the type of request in progress A system efficiency indicator is also displayed at the top of the screen HIGH EFFIC...

Страница 8: ...er to confirm that the operation has been completed successfully the display will show the table with the selected time frame flashing just before deleting it from the table START MAIN THURSDAY ARE YO...

Страница 9: ...l E090 fault flue gases probe flue gases overtemperature probe temporary final E091 clean primary heat exchanger temporary E099 reset attempts exhausted boiler blocked definitive not resettable water...

Страница 10: ...phase with the ignition of the burner at minimum output which is maintained until the outlet water temperature reaches 35 C DHW frost protection the function starts if the temperature measured by the...

Страница 11: ...ous horizontal or vertical applications These appliances are designed for use with a sealed system only consequently they are not intended for use on open vented systems This booklet is an integral pa...

Страница 12: ...abled Ignitionissensedbytheelectroniccircuittoensureflamestability at the burner Once successful ignition has been achieved the electronic circuitry increases the gas rate to 75 for a period of 15minu...

Страница 13: ...ance for the insertion of a FGA probe This can be reduced to 4mm if a removal panel enables the required 100mm When installed in a cupboard this dimension can be reduced to 4mm provided that the requi...

Страница 14: ...ime P4 19 5 31 2 kW At 30 of rated heat output and low temperature regime P1 6 5 10 5 kW Useful efficiency At rated heat output and high temperature regime 4 87 8 87 9 At 30 of rated heat output and l...

Страница 15: ...CULATOR WITH CONSTANT T MODE 2 DUTY CYCLE PUMP 40 In this mode the installer sets the T value to be maintained between flow and return e g by entering a value 10 the circu lator speed will change to o...

Страница 16: ...ning in the car port into the building 1200 mm M Vertically from a terminal on the same wall 1500 mm N Horizontally from a terminal on the same wall 300 mm P From a structure to the side of the vertic...

Страница 17: ...ne the number 1 or 2 is flashing Only if heat pump is present This icon indicates that cooling is active in the SUMMER state If a cooling request from the main zone is in progress the icon is flashing...

Страница 18: ...he signal on the main screen corresponds to the highest priority in the following ascending order Grey Green Yellow and Red The configuration MENU is organised with a multi access level tree structure...

Страница 19: ...I PROPORTIONAL 5 0 99 SERVICE only mixing zones with ACTUATION BE16 PI INTEGRAL 10 0 99 SERVICE only mixing zones with ACTUATION BE16 VALVE RUN 120 sec 0 sec 120 sec SERVICE only mixing zones with ACT...

Страница 20: ...IENT PROBE or REC10CH AMBIENT INFLUENCE 10 0 20 INSTALLER if request type AMBIENT PROBE or REC10CH OFFSET 20 C 20 C 40 C INSTALLER if request type AMBIENT PROBE or REC10CH COOLING 18 C 4 C 20 C INSTAL...

Страница 21: ...SABLE COOLING FUNCTION NOT ACTIVE FUNCTION ACTIVE FUNCTION NOT ACTIVE INSTALLER USE FOR DHW DON TUSE FOR DHW DHW FUNCTION NOT ACTIVE DHW FUNCTION ACTIVE DHW FUNCTION NOT ACTIVE INSTALLER if BE17 prese...

Страница 22: ...E FUNCTION INSTALLER ACTIVATE FUNCTION INSTALLER FUNCTION SETTINGS SERVICE TFMIN 20 C 15 C 30 C SERVICE TFMAX 35 C 30 C 55 C SERVICE COMBUSTION MONITORING SERVICE GAS TYPE NATURAL GAS NATURAL GAS LPG...

Страница 23: ...CH TIMERS DHW THERMOSTAT PARAMETERS INSTALLER PUMP DUTY CYCLE INSTALLATION WEATHER COMPENSATION RANGE RATED TECHNICAL INSTALLER PARAMETERS CALIBRATION 8 FRI 09 04 2021 12 17 MENU INFO SET AIR PURGING...

Страница 24: ...rves more than one appliance it must be ensured that an adequate supply is maintained to each appliance when they are in use at the same time NOTE It is recognised that pressure loss through the gas c...

Страница 25: ...S 813 4A 1 RELATED DOCUMENTS The installation of this boiler must be in accordance with the relevant requirements of the local building regulations the current ETCI National Rules for Electrical Insta...

Страница 26: ...provided see fig 6 You shouldensurethismethodoffillingcomplieswiththelocalwater authority regulations 4A 6 7 LOW PRESSURE SEALED SYSTEM An alternative method of filling the system would be from an in...

Страница 27: ...ystem or download the instructions from the Vokera website The appliance flue outlet elbow can be rotated through 360 on its vertical axis In addition the flue may be extended from the outlet elbow in...

Страница 28: ...hat all seals are located properly You must ensure that the entire flue system is properly supported and connected Seal the flue assembly to the wall using cement or a suitable alternative that will p...

Страница 29: ...hers before tightening the valve to the appliance NOTE It will be necessary to hold the valve with one spanner whilst tightening with another Gas cock C H flow valve C H return valve Fig 20 5 6 1 GAS...

Страница 30: ...ust be 3 core flexible sized 0 75mm to BS 6500 or equivalent Wiring to the appliance must be rated for operation in contact with surfaces up to 90 C ModBus 485 Connection CE4 Carry out the connections...

Страница 31: ...e the fly lead with an alternative method of connection to the electrical supply 5 7 3 CONNECTING A 230V SUPPLY TO THE APPLIANCE PCB WARNING Isolate the appliance from the electrical supply before car...

Страница 32: ...AND DATE Navigate with the keys to set the values 12 17 ENTER TIME AND DATE TIME DATE USE THE ARROWS TO MODIFY 18 11 2013 Note it is possible to change the TIME and DATE DAYLIGHT SAVINGS TIME setting...

Страница 33: ...tantaneously interrupted 6 2 2 CONFIGURATION OF THE ZONE It is possible to customise the management of the heating zone by accessing the ZONES MANAGER menu Access to menu TECHNICAL INSTALLATION ZONES...

Страница 34: ...N OFF timings for each day of the week operating mode AUTO if necessary the default heating schedule can be changed according to the User s needs Refer to 2 10 TIME SCHEDULE User section for detailed...

Страница 35: ...ot produce a switch off but a reduction parallel translation of the climatic curve on NIGHT level 16 C Also in this case the user can indirectly modify the value of the HEATING setpoint inserting once...

Страница 36: ...alue within the range 40 C 80 5 C for high temperature systems or 20 C 45 C for low temperature systems default is high temperature DHW SET HEATING 6 5 ADJUSTING THE HEATING WATER TEMPERATURE WITH AN...

Страница 37: ...the table on the side Accessing the INFO menu from the main page of the REC10 it is possible to display the TIME FUNC SCREED HEATING value regarding the number of hours since the start of the function...

Страница 38: ...present Reset function In order to reset the boiler s operation in the event of a fault it is necessary to access the fault description screen If the lockout is of a non volatile type that requires a...

Страница 39: ...rm E097 iono alarm E085 combustion fault high CO These are temporary alarms that if they occur several times in an hour they become definitive the last error to occur is displayed and is followed by a...

Страница 40: ...lectronics boards AKM and REC 10 MASTER will require the re programming of these parameters Set SERVICE password Select TECHNICAL COMBUSTION MONITORING AIR PURGING CYCLE PARAMETERS EXHAUST PROBE RESET...

Страница 41: ...f replacement it is necessary to always ensure that it is correctly positioned and to strictly observe the reference shown in the figure detector electrode ionisation sensor flame ignition electrode a...

Страница 42: ...ct the internal components and electrical wiring for any defect or deterioration 4 Visually check for any dirt or debris within the condensate trap the trap is translucent and can be checked visually...

Страница 43: ...nt hysterisis the burner will re light NOTE Ifburnerignitionisnotdetectedatthefirstattempt theappliance will repeat the ignition sequence another two times 3 times in total before going to lockout Whe...

Страница 44: ...continuity 8 7 APPLIANCE STATUS AND FAULT CODES When the boiler detects a temporary fault condition the appropriate code is shown If when the fault is final the pump will perform 30 to 60 second post...

Страница 45: ...iance The UNICA MAX S system boilers incorporate an internal relay that enables a direct switched 230v supply to be used to generate a heating or hot water request from an external control system such...

Страница 46: ...T Pressure transducer MOD Modulator F Lv Fan signal control M GREY BROWN BLUE ORANGE ORANGE BLUE BROWN GREY M N L 230 V Fuse 3 AMP NO NC COM NO NC COM ROOM THERMOSTAT CYLINDER THERMOSTAT M NO NC COM...

Страница 47: ...SC2 blue S E brown yellow green N F X6 3 1 red 24 Vdc yellow B orange A black red 24 Vdc yellow B orange A black REC black orange A yellow B red 24 Vdc A B CE4 removable connector positioned under she...

Страница 48: ...E password 3 Select TECHNICAL COMBUSTION MONITORING GAS TYPE LPG ERROR HISTORY EXHAUST PROBE RESET AIR PURGING CYCLE PARAMETERS COMBUSTION MONITORING SERVICE TECHNICAL BOILER TYPE COMBUSTION OFFSET GA...

Страница 49: ...h section 7 3 set boiler to operate at minimum rate to minimum load condition Allow sufficient time for combustion to stabilise YES I Is s C CO O 3 35 50 0p pp pm m a an nd d C CO O C CO O2 2 r ra at...

Страница 50: ...turers recommendations at least annually This must be carried out by a competent Gas Safe registered engineer The service details should be recorded on the Benchmark Service and Interim Boiler Work Re...

Страница 51: ...no what is the maximum central heating output selected kW Dynamic gas inlet pressure mbar C Central heating return temperature C System correctly balanced rebalanced Yes COMBINATION BOILERS ONLY Is t...

Страница 52: ...eer name Company name Telephone No Gas Safe registration No Max rate CO ppm CO CO CO Min rate CO ppm CO CO CO undertaken in accordance with manufacturers instructions and readings are correct yes Gas...

Страница 53: ...eer name Company name Telephone No Gas Safe registration No Max rate CO ppm CO CO CO Min rate CO ppm CO CO CO undertaken in accordance with manufacturers instructions and readings are correct yes Gas...

Страница 54: ...missioning sheet RGII Installation Certificate ROI the warranty will commence from the date of manufacture as detailed on the appliance data plate 6 To qualify for the full term of warranty the boiler...

Страница 55: ...dhered to f To any other costs or expenses caused by or arising as a result of the breakdown of a Vok ra Boiler g To any costs incurred during delays in fixing reported faults 10 We reserve the right...

Страница 56: ...Ireland West Court Callan Co Kilkenny T 056 7755057 F 056 7755060 Vok ra Limited reserve the right to change specification without prior notice Consumers statutory rights are not affected Company Reg...

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