MHG Heating ProCon HT 150 Manual Download Page 44 | Manualshive

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4. Hydraulic schemes

ProCon HT 150 / HT 225

4.8

Scheme 8: Two cascades, four mixing heating circuits and domestic water storage tank with charge pump

With ProCon HT 150 up to a maximum of 6 boilers can be cascaded.
With ProCon HT 225 up to a maximum of 4 boilers can be cascaded.

Fig 26: Two cascades, four mixing heating circuits and domestic water storage tank with charge pump

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Summary of Contents for ProCon HT 150

Page 1: ...1...

Page 2: ...Setting domestic water temperature 27 3 4 Programming of ProCon HT 150 HT 225 27 3 5 Starting up ProCon HT 150 HT 225 28 4 Hydraulic schemes 30 4 1 Scheme 1 One pump heating circuit and domestic water...

Page 3: ...Programming of LMU via QAA 73 56 7 6 LMU parameters 56 7 7 ProCon HT 150 HT 225 electrical connections 60 7 8 Technical data RVA 47 61 7 9 Measurements and connecting dimensions 62 7 10 ProCon HT 150...

Page 4: ...n In order to be sure that you are executing all the work properly you should have this manual on hand during installation This manual should remain on the gas condensing boiler appliance for future u...

Page 5: ...rator modules as well as a cascade and heating circuit controller RVA 47 Each of the three heat generator modules features a module control unit LMU The LMU controls and regulates the heat generator m...

Page 6: ...for recording hot water storage tank temperature for ProCon HT 150 HT 225 cascade RVA 47 with connection cable 2 x 0 5 mm Ni 1000 Ohms at 0 C 1 4 Control function Boiler circuit temperature control T...

Page 7: ...miter STL boiler The boiler control has a corresponding logic that uses the flow and return sensors to prevent overheating of the boiler If the given temperature gap is exceeded the capacity of the bo...

Page 8: ...perature of 20 C System sfrost protection The system s frost protection ensures the protection of the system in the case of low outdoor temperatures by activating the pumps This causes the water in th...

Page 9: ...cessary setting and maintenance works Mounting the boiler Mount the boiler in such a way that a heater specialist can connect the lines at the back of the appliance The boiler must be mounted securely...

Page 10: ...Before installation check to make sure that the inlet pressure is sufficient For proper sizing it is advisable to follow the procedure in accordance with MHG information on Sizing of pressure expansi...

Page 11: ...perating the condensing boiler slightly acidic condensed water pH value between 4 0 and 5 5 accumulates due to the low flue gas temperatures in the boiler as well as in the flue gas system The accumul...

Page 12: ...condition that the furnaces of the building can be connected properly Exception to Clause 1 may be granted if there are no occurrences of danger or unreasonable disturbances Flue gases from closed co...

Page 13: ...cal section of the flue gas pipe is not routed extended at more than max one x max 30 diagonally For flue gas pipes that are shorter than 5m or 15 meters the lower cleaning aperture alone is sufficien...

Page 14: ...s pipes have a nominal width of 160 mm and for air inlet pipes it is 125 mm To put the flue gas pipes together you can use approved lubricants or water The seals of the air inlet pipe should be lubric...

Page 15: ...dependent operation mode ProCon Connecting pipe Riser max Length m Duct size HT 150 DN 160 DN 125 rigid 27 m 220 x 220 mm HT 150 DN 160 DN 160 rigid 40 m 220 x 220 mm HT 225 DN 160 DN 160 rigid 23 m 2...

Page 16: ...mode ducted flue gas pipe Gas appliance Fan in front of the burner with flue gas system that draws the combustion air from the outdoors via a closed system room air independent gas furnace Gas furnace...

Page 17: ...in front of the burner with flue gas system that draws the combustion air from the outdoors via a closed system room air independent gas furnace Gas furnace with combustion air supply and flue gas out...

Page 18: ...n in front of the burner with flue gas system that draws the combustion air from the outdoors via a closed system room air independent gas furnace Gas furnace with separate combustion air supply and f...

Page 19: ...m the outdoors air via a closed system room air independent gas furnace Gas furnace designated for connection to a combustion air supply and flue gas outlet not checked with the gas furnace Fig 8 C63...

Page 20: ...of the burner flue gas system that draws the combustion air from the outdoors air via a closed system room air independent gas furnace Gas furnace with flue gas connection to a joint flue gas system u...

Page 21: ...imney Gas appliance Fan in front of the burner with flue gas system that draws the combustion air form the installation room room air dependent gas furnace The flue gas system can operate both under r...

Page 22: ...2 Installation ProCon HT 150 HT 225 Installation Type B23 Room air dependent operation flue gas pipe in chimney Fig 11 B23 Room air dependent operation Flue gas pipe in chimney 22...

Page 23: ...ode No 1 Flue gas pipe with measuring nipple DN 160 PPS 96 00060 1785 2 PPS pipe DN 160x250 mm PPS pipe DN 160x500 mm PPS pipe DN 160x1000 mm PPS pipe DN 160x2000 mm 96 00060 0740 96 00060 1705 96 000...

Page 24: ...he boiler Fig 12 Terminal block for electrical connections Fig 13 Terminal block layout for electrical connections Legend RU Room unit H1 H1 Input external switch contact BW Domestic water temperature...

Page 25: ...r the bus is 100m DW pump Connects to an external domestic water charge pump The boiler is equipped with an internal water deflector HC Pump Connects to an external heating circuit pump The boiler is...

Page 26: ...ured Constantly ON OCI and LMU incompatible wrong parameter assigned to hydraulic system 93 ON OFF Frequency 1 Hz OCI configured LPB short circuit or no supply OFF LPB address impermissible 93 ON OFF...

Page 27: ...cope of delivery 3 4 Programming ProCon HT 150 HT 225 All the parameters associated with the heating system should be set in the RVA The functions of the controller are described in detail in MBW RVA...

Page 28: ...anks A filling pressure of 0 5 to 0 8 bars above the inlet pressure of the pressure expansion tank is sufficient To vent the boiler open the hand vent on the heat exchanger and let the air escape into...

Page 29: ......

Page 30: ...e cascaded With ProCon HT 225 up to a max of 4 boilers can be cascaded Fig 19 A pump heating circuit and a domestic water storage tank with charge pump Components Compo nent Typ e Code number Annotati...

Page 31: ...connections Compo nent Connection to Annotation Outdoor sensor OS terminal HC pump 1 Terminal HC pump Domestic water sensor Terminal DW Domestic water charge pump Terminal DW pump Programming The app...

Page 32: ...of 4 boilers can be cascaded Fig 20 Two pump heating circuits and domestic water storage tank with charge pump Components Compo nent Typ e Code number Annotation ProCon HT 225 Single 96 30000 7080 In...

Page 33: ...A 63 280 Q6 N Domestic water sensor RVA 63 280 B3 M Domestic water charge pump RVA 63 280 Q3 N Programming Change default setting according to specification in the table Contro ller Line Set point val...

Page 34: ...e cascaded Fig 21 A pump heating circuit a mixing heating circuit and domestic water storage tank with charge pump Components Compo nent Typ e Code number Annotation ProCon HT 225 Single 96 30000 7080...

Page 35: ...en wall mount enclosure and boiler Flow sensor MK RVA 46 531 B3 M Pump MK RVA 46 531 Q2 N Mixer motor MK RVA 46 531 Y1 Y2 N Programming Change default setting according to specification in the table C...

Page 36: ...cascaded Fig 22 Two mixing heating circuits and domestic water storage tank with charge pump Components Compo nent Typ e Code number Annotation ProCon HT 225 Single 96 30000 7080 Included in the scope...

Page 37: ...MK 2 RVA 63 280 B12 M Pump MK 2 RVA 63 280 Q6 Mixer motor MK 2 RVA 63 280 Y5 Y6 N Domestic water sensor RVA 63 280 B3 M Domestic water charge pump RVA 63 280 Q3 N Programming Change default setting a...

Page 38: ...ts and domestic water storage tank with charge pump Components Compo nent Typ e Code number Annotation ProCon HT 225 Single 96 30000 7080 Included in the scope of delivery Outdoor sensor QAC 31 94 193...

Page 39: ...VA 63 280 B12 M Pump MK 3 RVA 63 280 Q6 Mixer motor MK 3 RVA 63 280 Y5 Y6 N Domestic water sensor RVA 63 280 B3 M Domestic water charge pump RVA 63 280 Q3 N Programming Change default setting accordin...

Page 40: ...pump heating circuit and domestic water with charge pump With ProCon HT 150 up to a maximum of 6 boilers can be cascaded With ProCon HT 225 up to a maximum of 4 boilers can be cascaded Fig 24 Two cas...

Page 41: ...al HC pump Domestic water sensor DW terminal Domestic water charge pump Terminal DW Pump Two wire bus Bus terminal Bus connection between boilers master and slave HC flow sensor Boiler return sensor L...

Page 42: ...ixing heating circuit and domestic water with charge pump With ProCon HT 150 up to a maximum of 6 boilers can be cascaded With ProCon HT 225 up to a maximum of 4 boilers can be cascaded Fig 25 Two cas...

Page 43: ...losure HC flow sensor Boiler return sensor Lustre terminal in the appliance The strap on sensors included in the scope of delivery must be placed on the structure of the water deflector HC pump 1 RVA...

Page 44: ...circuits and domestic water storage tank with charge pump With ProCon HT 150 up to a maximum of 6 boilers can be cascaded With ProCon HT 225 up to a maximum of 4 boilers can be cascaded Fig 26 Two cas...

Page 45: ...21 94 19314 5003 Length 6 m Electrical connections Component Connection to Annotation Outdoor sensor OS terminal Two wire bus Bus terminal Bus connection between the boiler master and slave HC flow se...

Page 46: ...address Boiler control 5 605 6 Device address Boiler control 6 605 7 Device address 80 0 67 00 01 Device address RVA 47 140 1 Device address 141 1 Segment address 1 RVA 63 148 2 Adjustable system tim...

Page 47: ...ake sure the system is checked once a year for operational reliability functions and efficiency by an authorized manufacturer s agent or by another expert This includes testing the smooth functioning...

Page 48: ...rner as well as the burner seals Do not clean the burner mechanically It may damage the surface of the burner Check the ignition and ionization electrodes Check the electrodes for dirt and wear If a w...

Page 49: ...it 1 Error 62 Wrong indoor unit 1 connected or wrong radio controlled clock connected 77 Error Air pressure sensor 78 Error Hydraulic pressure sensor 81 Short circuit on the LPB or no bus feed 82 Addr...

Page 50: ...gnore the hydraulic resistance of the water deflector 7 2 Resistance curve of flow sensor domestic water sensor boiler and flue gas sensor 1 900 1 800 1 700 1 600 1 500 1 400 1 300 1 200 1 100 1 000 9...

Page 51: ...cumentation 7 3 Outdoor sensor resistance curve 1 900 1 800 1 700 1 600 1 500 1 400 1 300 1 200 1 100 1 000 900 800 700 Temperature C 50 25 0 25 50 75 100 125 150 175 Fig 29 Resistance curve NTC 1000...

Page 52: ...or boiler set point value or room set point value Setting 6 Potentiometer for domestic water set point value Setting 7 Unlock button Unlock LMU 8 Display mode button Change display 12 9 Chimney sweep...

Page 53: ...y time PH_TBRE PH_TW1 PH_TW2 05 Pre ignition time PH_TVZ 06 Constant safety time PH_TSA1_1 PH_TSA2_1 07 Variable safety time PH_TSA1_2 PH_TSA2_2 10 Heating operation PH_TI PH_MODULATION Heating operat...

Page 54: ...he procedure below to arrive at the different parameter values Basic processes P or Enter Increase value Press display mode 8 briefly several times 1 sec Reduce value Press chimney sweep button 9 brie...

Page 55: ...list level d 1 Tsoll Set point value for 2 point or modulation control PID d 2 TkSoll Current boiler set point value d 3 Tsindoor Set point value for indoor temperature d 4 TbwSoll Domestic water set...

Page 56: ...r operation type button If no change or setting occurs for 8 minutes the programming will end automatically In the ending of the program described no parameters changed afterwards will be assumed Afte...

Page 57: ...sor 0 1 1 B 6 Empty 0 554 B 7 Empty 0 Specialist Adjustment flags 0 255 0 0 0 1 0 0 0 0 B 0 Empty 0 0 B 1 Domestic water priority 0 absolute 1 no priority 0 1 0 B 2 Function unused 0 0 B 3 Function un...

Page 58: ...er 0 701 Specialist 1 Past value Error phase 0 702 Specialist 1 Past value Diagnosis code 0 703 Specialist 2 Past value Error code counter 0 704 Specialist 2 Past value Error phase 0 705 Specialist 2...

Page 59: ...ter device Address 1 Parameter 606 Segment address ProCon HT is a system made up of several control units LMU RVA 47 This system is the heat generator segment and can be constructed from a single ProC...

Page 60: ...7 Technical documentation ProCon HT 150 HT 225 7 7 Electrical terminals ProCon HT 150 HT 225 Fig 31 Electrical connection plan 60...

Page 61: ...Class 2K3 25 70 C Dirt In accordance with EN60730 General Environment Mechan conditions In operation in accordance with IEC 721 3 3 Class 3M2 In storage in accordance with IEC 721 3 1 Class 1M2 IEC 7...

Page 62: ...7 Technical documentation ProCon HT 150 HT 225 7 9 Measurements and connection dimensions Fig 32 62...

Page 63: ...W 16 0 155 0 16 0 225 0 Degree of efficiency 40 30 C 109 5 Gas types Natural gas E LL Liquid gas Natural gas E LL Liquid gas Nozzle mm 15 0 10 0 15 0 10 0 CO2 content Vol 9 0 11 0 9 0 11 0 Flue gas te...

Page 64: ...7 Technical documentation ProCon HT 150 HT 225 7 11 Component diagram of boiler body Gas air duct and fan Fig 33 Exploded diagram of boiler body Gas air channel and fan 64...

Page 65: ...ProCon HT 150 HT 225 7 Technical documentation 7 12 Component diagram of frame and panel Fig 34 Exploded diagram of frame and panel 65...

Page 66: ...7 Technical documentation ProCon HT 150 HT 225 7 13 Component diagram of flue gas collector Abb 35 Exploded diagram of flue gas collector 66...

Page 67: ...ProCon HT 150 HT 225 7 Technical documentation 7 14 Component diagram of water deflector and boiler body Abb 36 Exploded diagram of water deflector and boiler body 67...

Page 68: ...ce 96 35760 7007 21 2 2 2 3 3 3 Support sheet for boiler body 96 36560 7030 22 4 4 4 6 6 6 Pop rivet 6 4x12 5 for Avail upon request 23 2 2 2 3 3 3 Cable clamp D 12 7 95 99186 0060 24 2 2 2 3 3 3 Sock...

Page 69: ...5 96 39216 7005 57 2 2 2 2 2 2 Tapping screw F2 9x9 5 zp DIN 7981 St Avail upon request 58 1 1 1 1 1 1 E terminal cover 96 35560 7001 59 4 4 4 4 4 4 Socket cap screw M4x8 DIN 912 8 8 A3C Avail upon re...

Page 70: ...1 1 Return pipe 2 96 36144 7044 74 1 1 1 1 1 1 Return pipe 3 96 36144 7045 75 8 8 8 9 9 9 Klingersil sealing ring 21x30x2 95 99187 0006 76 2 2 2 3 3 3 Armoured hose return flow 370 mm 96 36144 7018 o...

Page 71: ...5 110 3 3 3 3 3 3 Vario plugs d 12 mm short 95 23188 0044 111 2 2 2 3 3 3 Inlet air hose flexible d 60mm 96 00025 8149 112 5 5 5 6 6 6 Hose clip 50 65 mm 96 00025 8160 o A 1 1 1 1 1 1 Main cable loop...

Page 72: ...ays provide serial number when ordering parts All units of measurement are in mm Technical details and components are subject to change Warranty certificate MHG Heiztechnik GmbH grants the company spe...

Page 73: ...ndensing circulation boiler specified below Series ProCon HT 150 HT 225 Model No CE approved correspond to the model described in the EC model test certificate The devices meet the relevant requiremen...

Page 74: ...Notes ProCon HT 150 HT 225 74...

Page 75: ...HT 150 HT 225 GWB 75 Notes 75...

Page 76: ...76...

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