MHG Heating HTP 150 Installation And Operating Manual Download Page 69

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MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR

P:0845 6448802 F:0845 6448803 E:

[email protected]

W: www.mhgheating.co.uk

010617

18.2 Internal Wiring Diagram

Summary of Contents for HTP 150

Page 1: ...Metro Centre Waterfield Tadworth Surrey KT20 5LR P 0845 6448802 F 0845 6448803 E info mhgheating co uk W www mhgheating co uk 010617 Installation and Operating Manual for the ProCon HT HTP 150 225 Fl...

Page 2: ...0 1 Expansion Vessel 22 11 0 System Water Quality 23 11 1 Care With The Use Of Solder Flux 23 12 0 Appliance Controls 24 12 1 Control Panel 24 12 2 RVS43 143 Cascade Manager 24 12 3 Module Controller...

Page 3: ...0 Product Code 96 30000 7182 225 Product Code 96 30000 7183 The Single Unit is supplied with an integral low loss header This unit does not require the installation of a second low loss header remote...

Page 4: ...loss header must be installed within the system The system s Secondary circulating pumps Heating HWS are to be connected hydraulically to the external low loss header and not to the appliances flow a...

Page 5: ...ld only installed where a Cascade Manager is also installed A suitably sized low loss header must be installed within the system The system s Secondary circulating pumps Heating HWS are to be connecte...

Page 6: ...eparation of the boilers circuit from the systems circuit These units may require the installation of a second low loss header remote from the appliance Alternatively the system s Secondary circulatin...

Page 7: ...3rd family gases BS 6798 1987 Specification for installation of gas fired hot water boilers of rated input not exceeding 60 kW BS 6880 1988 Code of Practice for low temperature hot water heating syste...

Page 8: ...as been made The customer shall only be able to claim against MHG under guarantee if the commissioning of the object of delivery has been carried out by MHG staff or the authorised supplier if the cus...

Page 9: ...eating Ltd Unit 4 Epsom Downs Metro Centre Waterfield Tadworth Surrey KT20 5LR P 0845 6448802 F 0845 6448803 E info mhgheating co uk W www mhgheating co uk 010617 9 3 0 Dimensions Standard Unit System...

Page 10: ...heating co uk W www mhgheating co uk 010617 10 3 1 Plate Heat Exchanger Hydraulic Resistance 3 2 Installation Service Clearances Dimension Minimum mm Clearance A 500 B 1000 C 700 D 680 E 1050 4 0 Deli...

Page 11: ...ing co uk W www mhgheating co uk 010617 11 4 1 Case Removal A 4 0mm Allen Key is required to initiate the removal of the appliances case 1 Case In Place 2 1 Turn the MHG Logo 2 insert Finger and open...

Page 12: ...ting co uk 010617 12 5 5 Swing the Control Panel to the right 6 5 Swing the control panel back 6 Slide panel A to the right and remove into its rest position 7 slid panel B up and remove 7 8 Lift the...

Page 13: ...15 0 0 Maximum Input Gas Rate G20 G31 m hr m hr 15 0 5 77 21 7 8 35 Gas Inlet Pressure Min Max mbar 18 0 50 0 18 0 50 0 Maximum Flue Gas Mass G20 Hot Kg hr 250 9 363 6 Maximum Flue Gas Mass G31 Hot K...

Page 14: ...onnection The combustion air duct must have a resistance no greater than 100Pa DN 125 DN 125 Condensate Outlet Plastic 20mm 20mm Please note that the condensate disposal system must be installed in Pl...

Page 15: ...ately adjacent to the boiler furthermore there must not be any means of isolation between the boiler and the Pressure Safety Relief Valve 7 0 Electrical Connections Basic electrical connection for all...

Page 16: ...03 E info mhgheating co uk W www mhgheating co uk 010617 16 8 0 Hydraulic Design Single Unit HT and HTP Electrical Connections Single Unit If Direct On Boiler Weather Compensation is not required a 30...

Page 17: ...end AF Outside Air Sensor QAC34 HK Heating Circuit Pump BW Hot Water Sensor QAZ36 or VF Thermostat PM System Pressure Manager BW Hot Water Primary Pump RU Room Unit QAA BMS etc FP System Filling Appro...

Page 18: ...l lead to a reduction in the output of the appliance and induce operation faults Boiler Type Flue Outlet Size Flue Size Maximum Length Flue and Combustion Air Ducts CombinedMust Not Have a Resistance...

Page 19: ...5 6448803 E info mhgheating co uk W www mhgheating co uk 010617 19 9 3 Multiple Cascade ProCon HT s Conventionally Flued Preferred Method of Fluing Cascaded units Conventional Flue Header Arrangement...

Page 20: ...Multiple Cascade ProCon HT s Balanced Flued Preferred Method of Fluing Cascaded units Please note The combustion air duct must have a resistance no greater than 100Pa Conventional Flue Header Arrangem...

Page 21: ...e Mains Cold Water pipework Temporary Connecting Hose which must be disconnected after use Control Valve on the heating system For Category 4 systems the approved method of filling must comprise of th...

Page 22: ...to ensure that the water capacity of the system has ample expansion capacity The location of the expansion vessel shall only be isolatable from the system via a Lockable Type Service Valve which shal...

Page 23: ...nd water treatment must be carried out in accordance with the requirements of BS 7593 1992 prior to commissioning the boiler Repeated draining and refilling of the system without replenishment of wate...

Page 24: ...clockwise one click to highlight Bedieninheit Press the OK button The screen displays BedieninheitSprache Deutsch Press the OK button to make Deutsch flash Turn the wheel one click anticlockwise to s...

Page 25: ...10 Display Alteration Button 11 Commissioning Mode Activation Button 12 4 Module Controller End User Settings The Module Controller provides access to the End User adjustable parameters P parameters a...

Page 26: ...isplay mode button 10 for at least 3 seconds If the displayed value does not require amending or the altered setting is not required do not press any buttons on the controller for a period greater tha...

Page 27: ...ting Ltd MHG Heating Ltd Unit 4 Epsom Downs Metro Centre Waterfield Tadworth Surrey KT20 5LR P 0845 6448802 F 0845 6448803 E info mhgheating co uk W www mhgheating co uk 010617 27 12 6 Module Operatin...

Page 28: ...to a specific module the unit can be reset by pressing the Lockout Reset Button 9 for at least 3 seconds If the fault is related to a RVS43 143 Cascade Manager or the LPB communication network the fa...

Page 29: ...r Final Ignition Attempt E 134 Flame Extinguished During Operation LMU Version C E 135 Air Supply Error Fan not operating at correct speed LMU Version C E 140 LPB Segment Address Not Recognized Boiler...

Page 30: ...If the controller is displaying German Text undertake the following Press the ESC button several times to display the DEFAULT SCREEN Press the OK button once turn the wheel clockwise one click to high...

Page 31: ...ime end 25 October Wireless Line no Data point Value Unit Additional Comments 130 Room unit 1 131 Room unit 2 132 Room unit 3 P 133 Outside sensor 134 Repeater 135 Operator unit 1 136 Operator unit 2...

Page 32: ...e switch program HC2 Friday 06 00 On 22 00 Off 521 526 Time switch program HC2 Saturday 06 00 On 22 00 Off 521 526 Time switch program HC2 Sunday 06 00 On 22 00 Off 536 Standard values TSP heating cir...

Page 33: ...66 Time switch program 4 Friday 06 00 On 22 00 Off 561 566 Time switch program 4 Saturday 06 00 On 22 00 Off 561 566 Time switch program 4 Sunday 06 00 On 22 00 Off 576 Standard values TSP 4 No Time s...

Page 34: ...Holiday programs HC2 652 Holiday period 1 HC2 first day 653 Holiday period 1 HC2 last day 652 Holiday period 2 HC2 first day 653 Holiday period 2 HC2 last day 652 Holiday period 3 HC2 first day 653 H...

Page 35: ...rt setpoint max heating circuit 1 35 C 720 Heating curve 1 slope 3 2 721 Heating curve parallel displacement HC1 0 C 726 Heating curve adaptation heat circuit 1 Off 730 Summer winter changeover temp h...

Page 36: ...ffer Yes 872 Heating circuit 1 with precontr primary pump Yes 900 Operating mode changeover heating circuit 1 Protection Cooling circuit 1 901 Operating mode cooling circuit 1 Automatic 902 Room temp...

Page 37: ...ircuit 1 with buffer No 963 Cooling circuit 1 with precontr primary pump No 969 Operating mode changeover cooling circuit 1 Off Heat circuit 2 1000 Operating mode heat circuit 2 Automatic 1010 Room te...

Page 38: ...ferential heat circuit 2 2 C 1134 Actuator running time heat circuit 2 120 s 1135 P band Xp heat circuit 2 32 C 1136 Integral action time Tn heat circuit 2 120 s 1150 Flooring plaster dry up function...

Page 39: ...se HC3 P 15 C 1420 Pump heating circuit overtemp protection HC3 P On 1450 Floor curing function HC3 P Off 1451 Floor setpoint manually HC3 P 25 C 1455 Flow temperature setpoint floor curing HC3 P C 14...

Page 40: ...r temperature drop On 2037 H2 pump with buffer Yes 2039 H2 pump with pre cont primary pump Yes 2040 H2 Refrigeration request 2 pipe system cooling Swimming pool 2055 Pool setpoint solar heating 26 C 2...

Page 41: ...mp overrun time 5 min 2260 Protective start up consumer On 2261 Protective start up boiler pump On 2262 Optimum start control min limitation boiler temp Off 2270 Return temp limitation 8 C 2271 Min li...

Page 42: ...point minimum OEM 8 C 3562 Cascade return flow On 3570 Actuator running time return temp limitation 120 s 3571 P band Xp return temp limitation 32 C 3572 Integral action time Tn return temp limitation...

Page 43: ...ler Setpoint min 4140 Pump overrun time solid fuel boiler 20 min 4141 Over temperature drop solid fuel boiler 90 C 4170 Frost protection for plant solid fuel boiler Off Buffer tank 4720 Automatic prod...

Page 44: ...ction Automatically 5050 DHW charging temperature max 80 C 5051 DHW storage tank temperature max 90 C 5055 DHW storage tank return cooling temperature 80 C 5056 DHW storage tank return cooling Produce...

Page 45: ...ng pump 5736 DHW dedicated Off 5770 Producer type Single stage burner 5840 Solar actuating device Charging pump 5841 External solar exchanger Commonly 5890 Relay output QX1 None 5930 Sensor input BX1...

Page 46: ...rrection 0 C 6101 Sensor type flue gas temperature NTC 6102 Measured value corr flue gas sensor B8 0 C 6110 Building time constant 15 h 6112 Gradient room model 60 min C 6116 Time constant setpoint co...

Page 47: ...rter 0 Partial diagram solid fuel boiler 0 Partial diagram swimming pool 0 Partial diagram hydraulic balancing 2 Partial diagram instantaneous heater 0 Partial diagram H1 No Partial diagram H2 No Casc...

Page 48: ...ry 2004 01 02 6805 Error code history entry 3 10 Outside sensor error 6806 Time stamp error history entry 4 01 January 2004 01 02 6807 Error code history entry 4 10 Outside sensor error 6808 Time stam...

Page 49: ...unction Off 7140 Manual operation Off 7150 Outside temp simulation C 7170 Telephone customer service IO test Used to check inputs and outputs 7700 Relay test No test 7730 Outside temperature B9 C 7732...

Page 50: ...tatus producer 7 Not available 8114 Priority producer 8 0 8115 Status producer 8 Not available 8116 Priority producer 9 0 8117 Status producer 9 Not available 8118 Priority producer 10 0 8119 Status p...

Page 51: ...C 8512 Collector temp min actual value 1 B6 C 8513 Temp differential collector 1 DHW C 8514 Temp differential collector 1 buffer C 8515 Temp differential collector 1 pool C 8519 Solar flow sensor for...

Page 52: ...ng valve closes Y2 8740 Room temp actual value heat circuit 1 C 8741 Room temp setpoint actual HC1 10 C 8742 Room model temperature HC1 10 C 8743 Flow temp actual value heat circuit 1 C 8744 Flow temp...

Page 53: ...l value of the swimming pool temp B13 C 8901 Setpoint temperature swimming pool C 8930 Pre controller actual value C 8931 Pre controller setpoint 29 4 C 8950 Segment flow temperature actual value 23 1...

Page 54: ...ing pump Q4 State electric immersion heater DHW Operating mode changeover DHW Off Flowswitch Off State pump H1 Q15 State pump H2 Q18 Status primary pump Q14 Status precontroller mixing valve opens Y19...

Page 55: ...curing HC1 days fulfilled 0 1155 Flow temp setpoint flooring plaster dry up HC2 C 1156 Flooring plaster dry up day HC2 1157 Floor curing HC2 days fulfilled 0 8310 Boiler temp actual value C 8700 Outsi...

Page 56: ...access a particular parameter line please consult with MHG Heating Ltd Technical Department for further assistance QAA73 Description Range 150 225 Single Defaults 150 225 Cascade Master Defaults 150 2...

Page 57: ...1 b6 0 b7 0 b0 1 b1 0 b2 1 b3 1 b4 0 b5 1 b6 0 b7 0 b0 1 b1 0 b2 1 b3 1 b4 0 b5 1 b6 0 b7 0 H555 Setting flags 0 255 b0 0 b1 0 b2 0 b3 0 b4 1 b5 0 b6 0 b7 0 b0 0 b1 0 b2 0 b3 0 b4 1 b5 0 b6 0 b7 0 b0...

Page 58: ...Historical Fault Operating Phase H705 2nd Historical Fault Operating Error Code H706 3rd Historical Fault Number of Occurrences H707 3rd Historical Fault Operating Phase H708 3rd Historical Fault Ope...

Page 59: ...hecked to ensure free rotation of the armature 15 2 Combustion System Commissioning The commissioning function enables the boiler to be started up in heating mode by pressing the Chimney Sweep Button...

Page 60: ...ect flue gas analysis readings Each module is equipped with a modulating gas valve The modulating gas valve must be set at High Fire and Low Fire to ensure correct operation throughout its modulating...

Page 61: ...sers probe in to the silicone sampling tube secured to the top of each module and sealed with a black plug If fluctuating figures are obtained the flue gas analyser should be inserted directly into th...

Page 62: ...wing conversion procedure must be undertaken Isolate the fuel and electrical supplies at the appliances or module isolator Disconnect the electrical connection for the gas valves solenoid coils Discon...

Page 63: ...ommencing any service maintenance work the following tasks must be undertaken a Ask the end user about any problems with the operation of the boiler unit and note their comments b Check the water pres...

Page 64: ...en specialist de scaling of the heat exchanger will be required however stress cracking may have occurred and the heat exchanger may become porous following the de scale works i If the heat exchanger...

Page 65: ...is also advisable when replacing water joints to also change any adjacent joints at the same time r Inspect all gas joints with a suitable leak detection method Any joints found to be leaking MUST be...

Page 66: ...e AVS75 single zone controller communicates with the master boiler mounted RVS43 143 Cascade Manager via LPB offering enhanced communication zone and module temperature control A dedicated housing is...

Page 67: ...shes to indicate the detected operational status of the module dictated by the LPB communication from the ProCon HT Masters RVS43 143 Cascade Manager LED FLASH STATUS INTERPRETATION OPTIONS LED ON Con...

Page 68: ...ssed Parameter Description Default New Setting Programmable Inputs Not to be used With ProCon HT as the control is achieved via the RVS43 143 Cascade Manager H618 Input control configuration Input val...

Page 69: ...ting Ltd MHG Heating Ltd Unit 4 Epsom Downs Metro Centre Waterfield Tadworth Surrey KT20 5LR P 0845 6448802 F 0845 6448803 E info mhgheating co uk W www mhgheating co uk 010617 69 18 2 Internal Wiring...

Page 70: ...em Number DN160 500mm Straight 94 61280 4205 DN160 955mm Straight 94 61280 4210 DN160 1955mm Straight 94 61280 4220 DN160 35 94 61285 4202 DN160 45 94 61285 4203 DN160 87 94 61285 4204 DN125 DN160 red...

Page 71: ...Ltd MHG Heating Ltd Unit 4 Epsom Downs Metro Centre Waterfield Tadworth Surrey KT20 5LR P 0845 6448802 F 0845 6448803 E info mhgheating co uk W www mhgheating co uk 010617 71 20 0 Exploded Diagram St...

Page 72: ...MHG Heating Ltd MHG Heating Ltd Unit 4 Epsom Downs Metro Centre Waterfield Tadworth Surrey KT20 5LR P 0845 6448802 F 0845 6448803 E info mhgheating co uk W www mhgheating co uk 010617 72...

Page 73: ...MHG Heating Ltd MHG Heating Ltd Unit 4 Epsom Downs Metro Centre Waterfield Tadworth Surrey KT20 5LR P 0845 6448802 F 0845 6448803 E info mhgheating co uk W www mhgheating co uk 010617 73...

Page 74: ...MHG Heating Ltd MHG Heating Ltd Unit 4 Epsom Downs Metro Centre Waterfield Tadworth Surrey KT20 5LR P 0845 6448802 F 0845 6448803 E info mhgheating co uk W www mhgheating co uk 010617 74...

Page 75: ...g Ltd Unit 4 Epsom Downs Metro Centre Waterfield Tadworth Surrey KT20 5LR P 0845 6448802 F 0845 6448803 E info mhgheating co uk W www mhgheating co uk 010617 75 21 0 Exploded Diagram System Separation...

Page 76: ...MHG Heating Ltd MHG Heating Ltd Unit 4 Epsom Downs Metro Centre Waterfield Tadworth Surrey KT20 5LR P 0845 6448802 F 0845 6448803 E info mhgheating co uk W www mhgheating co uk 010617 76 Notes...

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