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HAMWORTHY HEATING LTD

65

FLEET H series

500001216/D

APPENDIX F - CASCADE CONTROL & ADDITIONAL MIXING CIRCUIT

To Convert the boiler hydraulic diagram for cascade control & additional mixing circuit :

Before programming changes are made, ensure the boiler is set to standby mode.

Press and hold both up and down arrow keys for at least five seconds to enter advanced parameter list H90
displayed top right of HMI screen.

Use either up or down arrow key to scroll through the parameter list and stop at H552

Default value is 2

Figure. F1

Two options are available.

Option 1 - for use with the Merley sequence controller

To enable cascade control change the setting by using the + or – key and set value to 80.

Press mode button to store change and return to home screen.

Figure. F2

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Содержание F175H

Страница 1: ...ired Boilers for Heating Domestic Hot Water Installations Installation Commissioning and Operating Instructions Models F175H F200H F250H F300H F350H NATURAL GAS I2H IMPORTANT NOTE THESE INSTRUCTIONS MUST BE READ AND UNDERSTOOD BEFORE INSTALLING COMMISSIONING OPERATING OR SERVICING EQUIPMENT ...

Страница 2: ......

Страница 3: ...LY I2H PLEASE ENSURE RELEVANT INFORMATION REQUIRED WITHIN DOCUMENT IS FOUND BEFORE FIRING BOILER COUNTRY OF DESTINATION UNITED KINGDOM REPUBLIC OF IRELAND THIS BOILER COMPLIES WITH ALL RELEVANT EUROPEAN DIRECTIVES PRODUCT IDENTIFICATION No 86CM36 PUBLICATION NO 500001216 ISSUE D SEPTEMBER 2012 FLEET SERIES BOILERS Floor Standing Condensing Room Sealed Fully Modulating Pre Mix Gas Fired Boilers for...

Страница 4: ...5 0 BOILER ASSEMBLY 17 5 1 General 5 2 Water Connections 5 3 Flue Connections 5 4 Electrical Connections 6 0 PRE COMMISSIONING 18 6 1 Gas Supply 6 2 Ventilation 6 3 Pipework Valves and Pump 6 4 Flue 6 5 Electrical 7 0 CHECKS PRIOR TO LIGHTING 19 7 1 Boiler Gas System Leak Check 7 2 Checks Prior to Lighting the Boiler 7 3 Initial Lighting 7 4 Combustion Checks 7 5 User Instructions 8 0 BOILER CONTR...

Страница 5: ...iler condensate discharge 15 Figure 4 6 Wiring schematic 16 Figure 7 1 Gas system leak check 19 Figure 7 2 1 On OFF Switch 21 Figure 7 6 Combustion analyser probe position 21 Figure 7 6 1 Adjusting gas valve throttle 22 Figure 8 2 System configuration with LMU 23 Figure 8 2 1 1 Fascia Legend 24 Figure 8 1 6 General overview of boiler controls 25 Figure 8 2 1 2 Info display parameters 27 Figure 8 2...

Страница 6: ...alent flue lengths 53 Figure C3 2 Room sealed twin duct C53 vertical flue 150Ø 54 Figure C3 3 Room sealed twin duct C53 vertical flue 200Ø 54 Figure C4 1 Open flue B23 vertical flue 130Ø 55 Table C4 1 Open flue B23 equivalent flue lengths 55 Figure C4 2 Open flue B23 vertical flue 150Ø 56 Figure C4 3 Open flue B23 vertical flue 200Ø 56 Figure C5 1 Cascade flue 250Ø 57 Table C5 1 Cascade flue equiv...

Страница 7: ...ix C 1 3 3 The Fleet is intended for the heating of Commercial and Industrial premises or large residential properties It may also be used to supply hot water for these premises via an indirect cylinder 1 3 4 The Fleet has a low water content and is fitted with an integral circulating pump to ensure that water flow rates are achieved refer to Appendix E for available pump head to the system Accord...

Страница 8: ...separately The boiler must be kept upright during handling The flue system is supplied separately to the boiler and must be specified at the point of order refer to Appendix C Warranty Full warranty assistance will be covered when the appliance is commissioned by Hamworthy Heating Ltd see Terms Conditions for full details Hamworthy Heating Ltd will not accept any liability resulting from damage du...

Страница 9: ...ber and contract number as well as a detailed description of the missing item Frame Set and Pipe work Header Kits Where pipe work kits are supplied these are packaged separately from the boilers All ancillary items such as isolation valves and boiler make up connectors are factory fitted and tested The whole is shrink wrapped for security and basic protection Refer to Kit instructions 500005133 fo...

Страница 10: ...ections See Figure 3 1 Figure 3 1 1 Dimensions 750 crs 1300 min clearance 700 450 700 B A 3 20 C 8 30 74 crs 172 6 50 36 3 5 14 71 3 Front view Plan view Flue connection F Air inlet connection G Flow Air inlet Electric Safety Valve Gas Condense Return 274 570 638 650 50 40 0 40 0 Fleet H Series Boiler Model A 950 65 25 110 275 1145 B C D 150 130 100 197 130 100 1100 1446 E F G F G for room sealed ...

Страница 11: ...HAMWORTHY HEATING LTD 5 FLEET H series 500001216 D Figure 3 1 2 Clearances for vertical flues Note The dimension 1500mm can be reduced if the pipe work is behind the boiler 1500 min 920 700 min ...

Страница 12: ...provide a compact solution for connecting the boilers to the gas supply and flow and return water connections The kit locates the pipe work above the boiler casing Refer to kit instructions 500005133 for specific information Figure 3 2 2 Optional accessories Note Instrument spool kit contains 2 off spools c w gaskets fixing nuts bolts sensor pockets Flange connection DN125 1 2 BSP socket for press...

Страница 13: ...HAMWORTHY HEATING LTD 7 FLEET H series 500001216 D Single secondary circuit Three secondary circuits Figure 3 2 2 Optional accessories All flange connections DN125 All flange connections DN125 ...

Страница 14: ...HAMWORTHY HEATING LTD 8 FLEET H series 500001216 D Figure 3 2 3 Pipe work header kit 3 boiler installation 300 350kW 1 2 BSP socket for pressure gauge ...

Страница 15: ...stallation of boilers pipe work pumps controls flues ventilation access and servicing and other items of plant 4 2 Gas Supply Gas supply pipes must be in accordance with BS 6891 or IGE UP 2 Gas supply connections to the boiler must not be smaller than the connection on the boiler refer to Figure 4 2 Appendix 2 for the connection size Gas installation must be soundness tested to BS 6891 or IGE UP 1...

Страница 16: ...o the vertical chimney Due to the low flue gas temperature 50 C condensation will occur in the flue flue materials must be non corrosive and utilise fully sealing joints Adequate facilities must be provided for draining the flue condensation from the flue system using the components available from HHL refer to Appendix C For short flue runs 1m it is not practical to provide drainage from the flue ...

Страница 17: ...t that the system design pressure is lower than the boiler maximum operating pressure according to the requirements of BS6644 2011 The Fleet boiler has an aluminium heat exchanger It is a requirement that the system pipe work are flushed at least twice before adding water treatment and before installing the boiler The system water MUST be treated and maintained with an appropriate inhibitor eg Sen...

Страница 18: ...ntenance is carried out by Hamworthy Heating Limited or a competent maintenance company the maintenance regime detail shall be provided in writing when required to prove compliance with the operating and maintenance literature Installation requirements shall be as defined and required by UK legislation best practice and applicable European standards Water Supply Feed and Expansion tanks to comply ...

Страница 19: ...antifreeze plus protection agent Fernox Restorer cleaning agent for removing rust lime and sludge Protector protection agent F1 protection agent The following applies to system design In order to avoid thermal shock water flow must not be able to be interrupted before the boiler stops firing There must be provision to ensure that the heat exchanger is not susceptible to air locks The air separator...

Страница 20: ...n Condense is mildly acidic typically pH3 pH5 Condense pipe work must be non corrosive and not copper Hamworthy recommend plastic waste pipe Condense may be discharged to a standard drain subject to National or Local regulations Location of condense pipe work should prevent freezing within tundishes traps and pipe work The connection to the boiler condense drain accepts a straight push fit couplin...

Страница 21: ...1216 D Figure 4 5 2 Flue Condensate Connection and discharge Single pipe inline drain trap Vertical Concentric Flue System Conventional Chimney Flue System Conventional Chimney Cascade Flue System Tundish to drain Tundish to drain Tundish to drain ...

Страница 22: ...r modules stop start circuit 24V DC Any interlock circuit must be in series with the time control for each circuit The interlock circuit must never be used to isolate the boiler electrical supply ADDITIONAL INFORMATION REGARDING ELECTRICAL SUPPLIES IS GIVEN IN BS EN60335 Part 1 NOTE The appliance must be isolated from the electrical supply if electric arc welding is carried out on connecting pipe ...

Страница 23: ... piped to discharge via a tundish not HHL supply suitably located for ease of visibility The Fleet is designed to operate at 20 C T across the flow and return Should the flow rate drop the boiler controls will modulate the burner to maintain 20 C T The boiler module is fitted with a single speed circulating pump and flow is controlled through a balancing valve which must be checked and set during ...

Страница 24: ...g check must be carried out before the boiler is commissioned 6 1 Gas Supply Ensure that gas installation pipe work and meter has been soundness tested and purged to IGE UP 1 or IGE UP 1A as appropriate Test and purge certificates should be available for viewing 6 2 Ventilation Ensure that ventilation and air supply to plant room is correct 6 3 Pipe work Valves and Pump Ensure that System flushing...

Страница 25: ...ve discharge pipe is routed to the base of the boiler where it must be piped to discharge via a tundish not HHL supply suitably located for ease of visibility The Fleet is designed to operate at 20 C T across the flow and return Should the flow rate drop the boiler controls will modulate the burner to maintain 20 C T As a safety precaution a flow switch is fitted to the boiler heat exchanger to sh...

Страница 26: ...ure of 1 mbar must not be exceeded between static and dynamic conditions 7 3 Commissioning the Boiler Once the preliminary checks have been completed and the gas inlet pressure has been verified as correct commissioning of the boiler modules may begin 7 3 Initial Lighting Only competent persons registered for working on non domestic gas appliances should attempt the following operations Before att...

Страница 27: ...end of the flame probe with the same result 7 5 Gas Supply Pressure Check 1 When the boiler modules have been checked for correct operation the gas supply pressure should be checked This should be done with all modules firing For Natural Gas a nominal gas inlet pressure of 20mbar measured at the rear of the boiler is required with a maximum inlet pressure of 25mbar 7 6 Combustion Checks The boiler...

Страница 28: ...te and run at 100 modulation 6 Monitor the combustion readings on the combustion analyser at both Maximum and Minimum firing rates refer to section 8 2 8 2 Controller Stop function Figure must not exceed 100ppm under normal operating conditions If combustion readings fall within the required range the boiler module is set and operating correctly If the combustion readings fall outside the required...

Страница 29: ... differential Press mode button to exit back to main screen and check flow temperature It may be necessary to repeat the sequence several times to ensure an accurate 20 C delta T is set Note E164 error code flow switch interrupt too little no flow through boiler E154 error code Delta T supervision active too little flow through boiler 7 8 User Instructions When the boiler is fully commissioned the...

Страница 30: ...HAMWORTHY HEATING LTD 24 FLEET H series 500001216 D Figure 8 2 1 1 Fascia Label Legend Keypad Display Screen ...

Страница 31: ... Spark Generator Combustion Fan Air Pressure Switch Fuse 230v Mains Supply IEC Mains Outlet Socket LMU Control Clip in Module Vfc 0 10v On Off switch Flue Gas Temperature Sensor in flue elbow Safety Relief Valve in flow pipe Pump Gas Valve Flow Temperature Sensor Return Temperature Sensor Water Flow Switch Inlet gas pressure test point Pump Relay ...

Страница 32: ...n refer to figure 8 2 1 1 A change on the information level can be made at any time by pressing the Info button Additional pushes of the Info button will deliver the following data sequence provided by the information level dhw temperature not used Water Pressure Operating phase refer to section 8 2 15 Outside temperature Error code refer to section 8 2 14 Boiler temperature Press one of these but...

Страница 33: ...WM C 4 RelModLevel Relative output C 5 Pumpe_PWM Pump setpoint PWM Not used C 6 ek0 Control differential C 7 C8 C9 Reserved Setpoints Service level d 0 Reserved d 1 Tsoll Setpoint of 2 position or modulating controller PID d 2 TkSoll Current boiler temperature setpoint d 3 TsRaum Room temperature setpoint d 4 TbwSoll DHW temperature setpoint Not used d 5 PhzMax Maximum degree of modulation in heat...

Страница 34: ...HAMWORTHY HEATING LTD 28 FLEET H series 500001216 D Figure 8 2 1 3 Operation and display philosophy ...

Страница 35: ...ng of symbols Display of dhw temperature or dhw heating active not used Display of boiler or room temp set point or space heating active Display of outside temperature Operational level Normal Operational level Reduced Display of flame Display of fault 5 Display 1 4 x 7 small segments Display of time of day parameter settings or error code 6 Operating mode of heating circuit Operating mode is or c...

Страница 36: ...lt display If no button is pressed for about 8 minutes the screen will automatically return to the default display Figure 8 2 3 2 Display of Status Code When a status code is displayed the display 1 shows alternatively the time of day and the error code Press the Info button for the display of the error code Press simultaneously both line selection buttons for 3 seconds The internal error code wil...

Страница 37: ... 2 4 Display of lockout code 304 7494z35 0202 8 2 5 Adjusting the heating circuit setpoint temperature Press the flow temperature button to adjust the heating circuit setpoint Press to adjust the required setpoint Press to return to the default value Changes will be stored Figure 8 2 5 Heating circuit setpoint temperature The room temperature setpoint or boiler temperature setpoint will be changed...

Страница 38: ...0 14 Time program HC1 switch off time 2nd period 00 00 24 00 hh mm 10 min 24 00 15 Time program HC1 switch on time 3rd period 00 00 24 00 hh mm 10 min 24 00 16 Time program HC1 switch off time 3rd period 00 00 24 00 hh mm 10 min 24 00 Figure 8 2 6 Overview of Enduser parameters 8 2 7 Start up initialisation On startup after power On or after a lockout reset the setpoints will be initialized These ...

Страница 39: ...9 Heating circuit operating modes The control provides 4 different heating circuit operating modes for LMU heating circuit 1 They can be directly selected depending on the requirements see figure 8 2 9 The operating modes are selected by pressing button On the LCD a pointer below the respective symbol points to the selected heating circuit operating mode 8 2 10 Error code display In the event of a...

Страница 40: ...h the return sensor provide overheat protection as follows If the first level temperature is exceeded a fault code is displayed If the second level temperature is exceeded an alarm code is displayed and the boiler will switch off The boiler must be reset to restart To restart the boiler the temperature must fall accordingly the fan and pump will continue to operate until the boiler heat exchanger ...

Страница 41: ...w the boiler to cool and reset thermostat Investigate cause of overheating see section 9 3 113 Flue gas supervision equipment has cut out 117 Water pressure too high 118 Water pressure too low 119 Water pressure switch has cut out Check water pressure 128 Loss of flame during operation Check connections to flame probe Investigate flame probe condition Check combustion when boiler is firing 130 Flu...

Страница 42: ...ture required to raise the maximum operating temperature possible from the individual boiler modules As standard the boiler modules leave the factory with a maximum operating temperature of 85 C Where a higher operating temperature is required the following parameter change must be made 505 181 As req d 90 C Max operating temp 8 3 10 Access to LMU Fault Log The LMU control retains historical fault...

Страница 43: ...HAMWORTHY HEATING LTD 37 FLEET H series 500001216 D Figure 8 3 11 Operating phases ...

Страница 44: ...H_TSA1_2 PH_TSA2_2 10 Heating operation PH_TI PH_MODULATION Heating mode 11 DHW operation PH_TI PH_MODULATION DHW mode 12 Parallel operation of space heating and DHW heating PH_TI PH_MODULATION Heating and DHW mode 20 Postpurging with the last control of operation PH_THL2_1 PH_TN_1 21 Postpurging with control of prepurging PH_THL2_2 PH_TN_2 22 Home run PH_TNB PH_TLO PH_TNN 99 Lockout position disp...

Страница 45: ...ing The most common cause of overheating is lack of water flow rate through the boiler possibly caused by a faulty pump or blockage in the heat exchanger circuit due to system debris Figure 9 2 Water Flow Switch 9 2 Water Flow Switch 1 The water flow switch is located in the return pipe before the pump and the heat exchanger see figure 9 2 and will prevent the boiler from firing should there be in...

Страница 46: ...IA DISPLAY KEYPAD MODULE FLAME IONISATION PROBE 2 1 1 3 230V 0V HT 1 2 1 3 C 1 2 HT ELECTRODE GAS VALVE SPARK GENERATOR SAFETY LIMIT THERMOSTAT 2 3 L N N L 3 2 1 1 DC FAN PUMP 2 3 3 2 1 1 BLUE BROWN BLACK BROWN BLUE ON OFF SWITCH 1 2 BROWN BLUE L N E Fuse 2A L N L N E IEC MAINS OUTLET POWER SUPPLY 230V 50Hz BLACK 1 2 BLUE BROWN GAS PRESSURE SWITCH BROWN NO NC COM FLUE PRESSURE SWITCH 1 2 REMOTE ON...

Страница 47: ... tube can be washed using a soapy water solution Tap the burner flange firmly downwards on a block of wood to dislodge any residual debris from inside the burner tube A damaged or cracked burner should be replaced Note Do not use a wire brush to clean the burner 9 Carefully remove the insulation pad from the heat exchanger back plate accessed through the burner cavity and replace with a new pad en...

Страница 48: ...HAMWORTHY HEATING LTD 42 FLEET H series 500001216 D Figure 10 2 Combustion Chamber A A B B Figure 10 2 1 Spark Electrode position Figure 10 2 2 Flame Probe position ...

Страница 49: ... for water soundness before firing the boiler 11 3 Flue Gas sensor Part no 533901549 The flue gas sensor is located in the flue elbow 175 250 or sump sealing plate 300 350 at the rear of the boiler Prior to removal check the resistance of the sensor against Figure B 1 3 In refitting the sensor a sealant will be required on the threads Check for soundness of the joint when firing the boiler 11 4 Te...

Страница 50: ...n control pcb LMU refer to spares list The LMU is located by two screws on the electrical control panel which is secured to the boiler chassis Carefully disconnect all plug connections from the LMU taking note of their location The plugs are polarised to prevent incorrect fitting If a clip in module is fitted this must be removed and transferred to the new LMU Carefully disconnect the plug connect...

Страница 51: ...rication F350H 533301039 Gas Control Valve F175H F300H 533903005 Gas Control Valve F350H 533903045 Gas Control Valve O ring F175H F350H 531299032 Combustion Fan F175H F300H 533704003 Combustion Fan F350H 533704012 Venturi F175H 532418009 Venturi F200H 532418010 Venturi F250H F350H 532418001 Low Gas Pressure Switch 533925004 Air Pressure Switch 533901496 Flue System Non Return Valve 563007022 Safet...

Страница 52: ... max per module Nat Gas m3 h 17 1 21 7 24 4 Target CO2 at High Low fire Nat Gas 0 25 9 2 10 0 Figure A1 Gas data GENERAL DATA BOILER MODEL F175H F200H F250H Boiler Input maximum kW Gross 179 5 205 5 256 8 Boiler Input maximum kW Nett 161 7 185 2 231 4 Boiler Output maximum condensing 50 30 C kW 175 200 250 Boiler Output maximum non condensing 80 60 C kW 158 3 180 9 226 2 Boiler Module Output minim...

Страница 53: ...eadily accessible position The supply should only serve the boiler 4 Multiple modules It is highly recommended that each boiler is connected via its own mains isolator to facilitate servicing and maintenance of the individual boiler whilst leaving the remaining boilers in operation 5 Further details regarding connection to the electricity supply are given in BS EN 60335 Part 1 or BS 3456 Part 201 ...

Страница 54: ... 21 22 21 22 21 22 15 16 15 16 15 16 External Control Optional External Control Boiler 1 Terminal Rail Boiler 2 Terminal Rail Boiler 3 Terminal Rail 0 10V 0 10V 0 10V Control Signal 0 10V or Enable Note each module requires independent isolation of electrical supply and control signals Signal cables must not be run in the same conduit as mains voltage cables Option 1 reference should be made to Bu...

Страница 55: ...84 145 0 206 10 0 55047 70 0 1753 150 0 183 5 0 42158 75 0 1481 155 0 163 0 0 32555 80 0 1256 160 0 145 5 0 25339 85 0 1070 165 0 130 10 0 19873 90 0 915 170 0 117 15 0 15699 95 0 786 175 0 105 20 0 12488 100 0 677 180 0 95 25 0 10000 105 0 586 185 0 85 30 0 8059 110 0 508 190 0 77 35 0 6535 115 0 443 195 0 70 40 0 5330 120 0 387 200 0 64 45 0 4372 125 0 339 Figure B1 3 Sensor resistance values ...

Страница 56: ...rds in the direction of the exhaust gas flow All joints should be such that any condensation is directed back down the slope to an open drain connection in the flue The drain pipe must be manufactured from a corrosion resistant material and at least 15mm diameter It must have a fall of at least 3 approx 50mm meter and connect to a drain via a waste trap c Boiler flue outlet sizes A flue system des...

Страница 57: ...deration should be given to the fitting of a flue discharge terminal or grille to stop ingress of birds etc C1 7 Surface Temperatures Combustible materials in the vicinity of the boiler and flue shall not exceed 65 C during boiler operation The flue shall not be closer than 50mm to any combustible material except where it passes through such material with a non combustible sleeve when the air gap ...

Страница 58: ... equivalent lengths refer to fig C2 1 C2 2 HHL Part no Vertical flue kit 130 200Ø 175 250kW 562511088 Vertical flue kit 150 220Ø 175 250kW 562511089 Vertical flue kit 150 220Ø 300 350kW 562511098 Options 130Ø 87 Elbow pp 532511120 130Ø 45 Elbow pp 532511119 130Ø 1m pp 532511133 150Ø 87 Elbow pp 532511122 150Ø 45 Elbow pp 532511121 150Ø 1m pp 532511134 1500 min 920 1845 210 Ø 200 Ø 620 1870 1500 mi...

Страница 59: ...00 100 4 5 4 350 200 75 4 5 4 Table C3 1 C53 Individual Flue equivalent lengths refer to fig C3 1 C3 3 Vertical 130 200 flue kit 130Ø twin duct 175 250kW HHL Part no 562511068 Options 130Ø 87 Elbow pp 532511120 130Ø 45 Elbow pp 532511119 130Ø 1m pp 532511133 Vertical flue kit 150Ø twin duct 175 350kW 562511072 Options 150Ø 87 Elbow pp 532511122 150Ø 45 Elbow pp 532511121 150Ø 1m pp 532511134 Verti...

Страница 60: ...EATING LTD 54 FLEET H series 500001216 D 1600 700 1500 min 800 230 Ø 200 Ø 200 Ø 1575 700 1500 min 740 180 Ø 150 Ø Figure C3 3 200Ø Twin Duct C53 vertical terminal Figure C3 2 150Ø Twin Duct C53 vertical terminal ...

Страница 61: ...xtended Vertical HHL Part no Flue kit 130Ø duct 562511057 Flue kit 150Ø duct 562511058 Flue kit 200Ø duct 562511101 Options 130Ø 87 Elbow pp 532511120 130Ø 45 Elbow pp 532511119 130Ø 1m straight pp 532511133 150Ø 87 Elbow pp 532511122 150Ø 45 Elbow pp 532511121 150Ø 1m straight pp 532511134 200Ø 87 Elbow pp 532511166 200Ø 45 Elbow pp 532511167 200Ø 1m straight pp 532511136 200Ø 2m straight pp 5325...

Страница 62: ...HAMWORTHY HEATING LTD 56 FLEET H series 500001216 D 1600 700 1500 min 800 230 Ø 200 Ø 1575 700 1500 min 740 180 Ø 150 Ø Figure C4 2 B23 Open flue system 150Ø Figure C4 3 B23 Open flue system 200Ø ...

Страница 63: ...3 562511097 250 300Ø Expander st steel 532511224 300Ø 1m straight st steel 532511216 300Ø 87 Elbow st steel 532511209 300Ø 45 Elbow st steel 532511204 Flue Header Flue Equivalent lengths m flue pipe Load kW Size mm Max L 45 90 350 300 100 4 5 400 300 100 4 5 600 300 100 4 5 800 300 90 4 5 1000 300 50 4 5 1200 Max 300 30 4 5 750 crs 1500 min 225 300 min 400 min 140 Concentric Flue Cuttable extensio...

Страница 64: ...ventilation is required which must communicate direct to outside for cooling purposes Low level inlet 10cm per kW of total rated input Net High level output 5cm per kW of total rated input Net D1 2 2 Air Supply by Natural Ventilation Room Sealed Installations Where the boiler s are to be installed in a boiler room or internal space the room or internal space must have permanent air vents directly ...

Страница 65: ...oiler house shall be as follows At floor level or 100mm above floor level 25 C At mid level 1 5m above floor level 32 C At ceiling level or 100mm below ceiling level 40 C D 1 5 General Requirements The air supply should be free from contamination such as building dust and insulation fibres from lagging To avoid unnecessary cleaning and servicing of the boiler modules the boilers should not be fire...

Страница 66: ... loss header arrangement to enable secondary circuits to be connected to the header Figure E1 1 1 on the following page show typical layouts 5 Ideally individual valves should be fitted to each module to enable isolation from the system however the arrangement must comply with the requirements of BS 6644 E1 2 Pressure Relief Valve Safety Valve The most important single safety device fitted to a bo...

Страница 67: ...ring in the event of poor or no flow the boiler is fitted with an integral flow switch Particular attention should be paid to the restriction of external flow circuits during periods of low heat demand Each boiler module is fitted with a flow balancing valve on the return pipe within the unit This valve may require adjustment to ensure the correct flow through the boiler refer to commissioning ins...

Страница 68: ... Air Vent Automatic Valve Drain valve valve Drain Boiler Output Feed mm Vent mm 150 300 kW 32 38 300 600 kW 38 50 601 KW 50 65 Figure E1 4 Cold Feed and Vent Pipe Sizes further information and to BS 6880 Part 1 for design considerations E 1 13 Minimum System Water Pressure To comply with guidance note PM5 Health and Safety Executive the minimum pressure requirements at the boiler are given below a...

Страница 69: ...7 8 9 10 11 12 13 14 15 16 m3 h Model 250 Model 300 Head min m ax 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 m Figure E1 7 3 Model 350H pump performance curve 2 4 6 8 10 12 14 16 18 20 m3 h Model 350 Head min m ax 0 5 1 1 5 2 2 5 3 3 5 4 4 5 5 5 5 6 6 5 7 7 5 8 8 5 9 9 5 10 10 5 11 11 5 12 m kW Figure E1 7 1 Models 175 200H pump performance Model 175 Model 200 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 10 0 m3 ...

Страница 70: ...cuits Typical layout for primary circuit with low loss header Typical layout for primary circuit with plate heat exchanger separation of secondary circuits AAV AAV AAV AAV Drain Drain Drain Drain Drain Drain Dosing Pot Dosing Pot Dosing Pot Dosing Pot Note secondary circuit components are not supplied with the HHL pipe kit Note secondary circuit components are not supplied with the HHL pipe kit Di...

Страница 71: ... hold both up and down arrow keys for at least five seconds to enter advanced parameter list H90 displayed top right of HMI screen Use either up or down arrow key to scroll through the parameter list and stop at H552 Default value is 2 Figure F1 Two options are available Option 1 for use with the Merley sequence controller To enable cascade control change the setting by using the or key and set va...

Страница 72: ...16 D Option 2 for use with the QAA73 programmable room unit To enable an additional mixing circuit with use of AGU 2 500 change the setting by using the or key and set value to 50 Press mode button to store change and return to home screen Figure F3 ...

Страница 73: ...HAMWORTHY HEATING LTD 67 FLEET H series 500001216 D NOTES ...

Страница 74: ...HAMWORTHY HEATING LTD 68 FLEET H series 500001216 D INSTALLER SITE ADDRESS BOILER TYPE BOILER SIZE S UNIT NO S SERIAL NO S FLUE USEFUL USER INFORMATION ...

Страница 75: ...HAMWORTHY HEATING LTD 69 FLEET H series 500001216 D Please complete the information on the Registration Card cut out and return to Hamworthy Heating Ltd ...

Страница 76: ...HAMWORTHY HEATING LTD 70 FLEET H series 500001216 D ...

Страница 77: ......

Страница 78: ...30 fax 0151 647 8101 Southern Ireland Sales Service HEVAC Limited Naas Road Dublin 12 Ireland tel 00 353 141 91919 fax 00 353 145 84806 Northern Ireland Sales Service HVAC Supplies Limited Unit A6 Dargan Court Dargan Crescent Belfast BT3 9JP tel 02890 747737 fax 02890 741233 Scotland Sales Service McDowall Modular Services 14 46 Lomond Street Glasgow Scotland G22 6JD tel 0141 336 8795 fax 0141 336...

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