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STRATA1

LSV

DOC

Condense

Waste

Expansion

Vessel

Filling Point

System Pump

M/Valve

Reg Valve

Heating Load

Indirect Cylinder/Calorifier

Low Velocity

Mixing Header

Max Velocity

0.5 m/s

CWM

Strainer

AAV

17.0 hydraulic system

design

Programmer

WC= Wiring Centre/Junction Box

RS=

Room Thermostat

CS=

Cylinder Thermostat

PS=

Low water pressure cut off switch

*1=

Filling Point. In accordance with BS 6644,
automatic pressurisation unit must be
installed when the boiler input is greater
than 60kW.
See item 17.1

Typical Single Strata 1 boiler
installation serving heating and
domestic hotwater via a system
pump and 2Nr 2Port motorised
valves with conventional controls
i.e. programmer, room stat &
cylinder stat.

NOTE: system temperature will
be fixed constant and direct-on-
boiler weather compensation is
not possible.

System Type 8

Low Velocity
Mixing Header

Max Velocity 0.5m/s

Circuit Pumps
That Can/Will Run
At The Same Time

Boiler/s

Flow Header

Typical Schematic
Arrangement Where
System Has Multiple
Pumps That Will
Operate At The
Same Time.

Содержание STRATA1 45

Страница 1: ...WALL MOUNTED GAS FIRED ULTRA HIGH EFFICIENCY CONDENSING BOILER INSTRUCTIONS FOR INSTALLATION SERVICING OPERATION FOR MODELS 45 60 75 STRATA L 102...

Страница 2: ...sion of Strainers 17 4 Low Water Pressure Protection 17 5 Care With The Use of Soldering Flux 18 0 Electrical Connections 35 43 18 0 Electrical Connections contd 44 45 18 1 Optional Matched controls 4...

Страница 3: ...Bye Laws Local and National Water Bye Laws Fire Authority Regulations and Insurance Company requirements The following Codes of Practice are also applicable BS6798 1987 Specification for installation...

Страница 4: ...e boiler utilises 100 pre mix gas air fed at positive pressure to the metal fibre sheathed radiant burners The combustion system incorporates internal flue gas re circulation and this combined with th...

Страница 5: ...lity of the calorifier 12 Facility to connect optional matched control components which allow the boiler to control a heating circuit pump PR01 HWS primary pump or diverter valve and an underfloor cir...

Страница 6: ...60 64 100 3 0 0 5 85 230 3 0 115 6 60 20 60 57 54 7 59 9 5 9 2 33 18 60 81 100 3 0 0 5 85 230 3 0 115 7 66 20 75 72 69 1 75 6 7 6 2 95 18 60 104 100 3 0 0 5 85 230 3 0 115 8 73 20 38 108 229 458 55 2...

Страница 7: ...boiler slacken the screw in the underside of the casing unlatch left and right hand catches on underside of case pull casing slightly to the front and lift upwards to disengage casing hooks from rear...

Страница 8: ...the top if necessary block or shim behind the bottom rear of the boiler to achieve a vertical installation 8 0 gas connection The gas connection is located at the base of the appliance rear r h side s...

Страница 9: ...SP Tees see fig 4 item B which may be used to connect the supplied safety valve into the flow pipe adjacent to the appliance and either a system filling point expansion vessel or a draincock The flow...

Страница 10: ...lly with the 80mm flue gas connection centrally within the 125mm air inlet connection There are two options for flueing the Strata 1 boiler i Conventionally using flue gas tube only and air for combus...

Страница 11: ...cause a visual nuisance Flue components available from MHS Boilers Ltd 80 mm PPS Flue Tube x 1000 mm long effective length 945 mm 80 mm PPS Flue Bend x 90 80 mm PPS Flue Bend x 45 80 mm Wall Fixing B...

Страница 12: ...ter air tube has EPDM rubber seal rings located in the socket component To aid assembly and assurance that the joints have been fully pushed home the seal rings and make ends of tubes fittings should...

Страница 13: ...xing Bracket 80 125 Concentric Tube x 1000mm 80 125 Concentric bend x 93 491 80 125 concentric roof terminal accessories 80 125 Concentric Roof Terminal Assembly 80 125 1170 513 513 130 390 5 0 0 500...

Страница 14: ...of 80 125 concentric tube will be required to extend the standard wall terminal A fall of 3 is required along the length of the flue towards the appliance Concentric Wall Terminals 945 610 850 845 Sta...

Страница 15: ...e cut flush with each other square and any burrs removed Where TL required is greater than 845 mm then additional lengths as appropriate of 80 125 concentric tube will be required to extend the standa...

Страница 16: ...icate male ends of concentric flue tube and female sockets of flue bend lightly with silicone grease Insert concentric tubes into bend and gently push fully home Ensure plain section of external part...

Страница 17: ...m 850mm then additional lengths as appropriate of 80 125 Concentric tube will be required to extend the vertical discharge wall terminal A fall of 3 is required along the length of the flue towards th...

Страница 18: ...push fully home Ensure flue gas discharge is positioned vertically upwards 5 Made good internally and externally gap between air tube and prepared hole through wall 6 Fit external 2 piece wall bezel a...

Страница 19: ...100 Pa therefore no alternative design required and no effect on boiler output example 3 A Strata 1 75 boiler is installed non room sealed with a proposed flue using DN 80 PPS single skin flue compone...

Страница 20: ...ntric Roof Terminal Without Rain Cap 7 5 11 0 16 0 80 125 Concentric Roof Terminal With Rain Cap 11 25 16 5 24 0 1m length 80 125 Concentric Tube 5 5 8 5 12 0 93 80 125 Concentric Bend 5 5 8 5 12 0 45...

Страница 21: ...e facing the terminal 2000 mm 2000 mm I From a terminal facing the terminal 2000 mm 2000 mm J From an opening in the car port e g door window into dwelling 1200 mm 1200 mm K Vertically from a terminal...

Страница 22: ...tilation for general cooling BS6644 specifies room temperature limits Table 4 Compartment Installation Non room sealed flue Natural Ventilation Direct to outside air Boiler Model Ventilation Openings...

Страница 23: ...Room or Space Where multiple Strata 1 boilers are installed in the same room or space then the aggregate of the appliance inputs must be taken to determine from the following data the amount of venti...

Страница 24: ...ltiple units and single units which require additional pumps must always be installed with a low loss mixing header or similar arrangement see table below The Strata 1 boiler has in built domestic hot...

Страница 25: ...ere system index resistance pump residual head see page 24 Flow temperature may be Fixed constant or weather variable OS Outside air temperature sensor used where direct on boiler weather compensated...

Страница 26: ...series with a cylinder thermostat T Allows for timed HWS Divertor valve will require SPDT relay if not spring return Divertor valve must be so installed as to spring return to heating PS Low water pre...

Страница 27: ...ump regulation module from MHS Boilers Allows heating pump to be driven from boiler providing for auto operation frost protection running summer standstill exercising Must be used where RE2132 modulat...

Страница 28: ...ump to be driven from boiler providing for auto operation frost protection running summer standstill exercising Must be used where RE2132 modulating room unit is installed Max pump motor load 2A Diver...

Страница 29: ...h in series with a cylinder thermostat T Allows for timed HWS PRO1 Pump regulation module from MHS Boilers Allows heating pump to be driven from boiler providing for auto operation frost protection ru...

Страница 30: ...temperature controls e g RE2132 modulating room unit from MHS Boilers or separate time clock room thermostat FS Flow temperature sensor RS Return temperature sensor S Hot water temperature sensor or t...

Страница 31: ...cludes ratio setter for compensation of under floor coils Max pump motor loads 2A RC1 RE2132 modulating room unit from MHS Boilers provides Time Temperature control for radiator heating zone RC2 As RC...

Страница 32: ...e with BS 6644 automatic pressurisation unit must be installed when the boiler input is greater than 60kW See item 17 1 Typical Single Strata 1 boiler installation serving heating and domestic hotwate...

Страница 33: ...sure Zone RPZ Valve Incorporating a Type BA air gap Tundish Control Valve Further more in accordance with BS6644 for boiler s with an input greater than 60kW an automatic pressurisation unit must be i...

Страница 34: ...lowed with regards to use in conjunction with stainless steel L1 N PE L1 N PE L2 L1 N PE A1 A2 R2 R3 R1 L1 N PE 1 2 Cable entry glands 1 4 3 2 6 5 Position of Weiland Plugs Weiland Plug Nr 1 Weiland P...

Страница 35: ...er 2 Upper Burner Heat Exchanger Gas Valves 1 left Gas Valves 2 right Sensors HWS Flow 2 X10 X12 X14 X45 X44 X15 K5 K5 K6 K6 K7 K7 K2 K3 K8 K0 K4 K0 K8 K6 K0 K7 K14 K3 K9 K13 K2 X17 X16 STBW STBW STBA...

Страница 36: ...ther compensated flow temperature are required Weiland plug Nr2 not shown Used only on LPG installations where an additional remote gas safety shut off valve is req d Install only one method of extern...

Страница 37: ...o outside sensor RE2132 modulating room unit installed Weiland Plugs Sockets Controls Sockets on Control panel X3 X16 1 3 4 5 6 Boiler Dip Switch Settings Install only if direct on boiler weather comp...

Страница 38: ...lled No outside sensor RE2132 modulating room unit installed Boiler Dip Switch Settings Weiland Plugs Sockets Controls Sockets on Control panel X3 X16 1 3 4 5 6 Install only if direct on boiler weathe...

Страница 39: ...gas safety shut off valve is req d Install only one method of external time and room temperature control If room stat and time switch are required then do not install RE2132 room unit and vice versa...

Страница 40: ...o outside sensor RE2132 modulating room unit installed Boiler Dip Switch Settings Install only if direct on boiler weather compensated flow temperature are required Weiland plug Nr2 notshown Used only...

Страница 41: ...L1 PE N R2 R3 L1 PE N R2 R3 Supply 230V Boiler No1 Boiler No2 Boiler No3 HWS Primary Pump 230V 2A max If Required Heating Circuit Pump 230V 2A Max RE2132 Modulating Room Unit QAW44 Optional Remote Se...

Страница 42: ...shown Used only on LPG installations where an additional remote gas safety shut off valve is req d 2 Install only one method of HWS temperature control The use of an HWS Sensor will allow no time cont...

Страница 43: ...al Programmer Weiland Plugs Sockets Controls Sockets on Control panel X3 X16 1 3 4 5 6 Boiler Dip Switch Settings Weiland plug Nr2 notshown Used only on LPG installations where an additional remote ga...

Страница 44: ...valve 240v for use with underfloor coils where the maximum flow temperature 55 C Circuit 2 A pumped heating circuit eg radiators where the flow temperature is direct on boiler weather compensated vari...

Страница 45: ...KM2 s may be slaved to the first control with slave capacity of four boilers per each additional sequencer Standard features include pump overrun and boiler load rotation 18 1 optional matched control...

Страница 46: ...anel X9 Socket 1 2 X9 Alarm Plug Lead Assembly Remote Alarm Circuit 19 0 commissioning the strata 1 boiler The Strata 1 boiler should be expertly commissioned by a competent engineer who will need in...

Страница 47: ...de of the control panel See Dip switch setting table in 19 1 1 Dip Switches 19 3 first firing Notes The Strata 1 boiler has 2Nr Heat Exchange and Burner Assemblies The Lower Assembly is referred to as...

Страница 48: ...trol or 0 10 volt control via adaptor ON PWM cascade KKM2 ON No external controls fitted On Off controls fitted Cascade controls for multiple boilers ON Outside Air Sensor Fitted OFF Radiator Circuit...

Страница 49: ...each gas valve by half turn until burners ignite f Observe the colour of both burner flames correct colour should be dull red Adjust colour of burner flames using Qmin 2 until flame colours are corre...

Страница 50: ...ent of the compensation slopes 19 3 First Firing contd 19 4 setting weather compensation NOTE Test period expires after 10 minutes if this expires whilst commissioning is still in progress press Engin...

Страница 51: ...25 0 Default Compensation Slope Max Flow Temperature Boiler Flow Temperature C Outside Air Temperature C Range of Parallel Displacement of Slope A Boiler Flow Temperature C Outside Air Temperature C D...

Страница 52: ...10 20 20 10 10 20 90 BLUE RED 80 70 60 50 40 30 20 10 20 20 20 20 20 15 10 5 1 5 10 15 20 25 0 1 2 K K BLUE RED 20 10 10 20 20 10 10 20 Range of Parallel Displacement of Slope B Boiler Flow Temperatu...

Страница 53: ...trol panel and has a number of functions a Setting maximum output to heating The output to heating may be limited if required and may be set between 20 and 100 by performing the following i Press red...

Страница 54: ...ly being applied to the boiler a message to the user is shown on the screen displaying service reminding the user that the appliance should now be serviced Following a service visit by the specialist...

Страница 55: ...ssages starts and successful restarts Special communication lead and service software required g Run the unit at maximum capacity and measure the input and the CO2 h Run the unit at minimum capacity a...

Страница 56: ...nd do have characteristic yet yet noise which is normal at low speeds at j NEVER CLEAN THE BURNER ITSELF If the interior of the heat exchanger is contaminated and or there is a deposit on the surfaces...

Страница 57: ...it F R The flow and or return temperature is too high currently Fan 1 high The lower burner fan is running too fast currently Fan 1 low The lower burner fan is running too slow currently Fault room u...

Страница 58: ...high 9 11 29 31 33 Fan 1 low Lower burner fan speed during pre purge is too low 9 10 11 14 18 29 31 33 Fan 1 oper Lower burner fan is detected as 3 4 11 29 31 operating when should be idle Ignit 1 fa...

Страница 59: ...29 31 34 button Eeprom There is a fault in the EEPROM 29 in the control 22 1 screen display diagnosis of faults contd 22 2 possible causes of fault corrective action CAUSE REASON ACTION No 1 Dip switc...

Страница 60: ...air supply tubes or flue blocked Check flue for suitability or clear obstruction 23 Leakage of flue gas from flue gas tube into air tube vitiating the combustion air Strip out flue system and remake j...

Страница 61: ...Switch on the on off switch on the appliance control panel 4 If all controls connected to the boiler are calling for heat the screen will display Heat Operat or Tap Operat 5 If all controls are in the...

Страница 62: ...62 STRATA1 24 0 Strata 1 45 60 75 exploded view...

Страница 63: ...Fax 01268 728202 www mhsboilers com This publication is issued subject to alteration or withdrawal without notice The illustrations and specifications are not binding in detail All offers and sales a...

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