MHG Heating ProCon HT 150 Manual
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MHG Heating ProCon HT 150 Manual

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Summary of Contents for MHG Heating ProCon HT 150

  • Page 2: Table Of Contents

    2.6.2 Excerpt from the model ordinance on combustion equipment....................……12 2.6.3 Cleaning and test openings ................................ 13 2.6.4 Installation types for gas condensing appliance..........................13 Maximum pipe lengths, flue gas systems for ProCon HT 150 / HT 225................... 15 2.7.1 Room air independent operation – C ......................16 Electrical connection ..................................
  • Page 3 Error messages..................................49 6.1.1 Error code....................................49 Technical documentation ................................50 Static delivery head ProCon HT 150 / HT 225 ........................50 System resistance curve, flow sensor, domestic water sensor, boiler, and flue gas sensor............50 System resistance curve, outdoor sensor..........................51 Control panel AGU 2.361..............................52 7.4.1 Display mode and programming of AGU 2.361........................
  • Page 4 This manual is aimed at personnel from companies specialized in heating equipment. It contains the necessary information on installing and setting ProCon HT 150 / HT 225. This symbol is for instructions to follow with respect to your safety and that of others.

  • Page 5: Installation

    Description • Cascade and heating circuit controller (RVA 47) Text for invitation of tender ProCon HT 150 / HT 225. It is used for the cascade control of two or three heat generator modules or up to six Pro- Con HT 150 or four ProCon HT 225s in Control and control accessories the case of multiple devices.

  • Page 6: Control Function

    Storage tank sensor QAZ 21 for recording hot water storage tank Outdoor temperature and time controlled with outdoor temperature for ProCon HT 150 / HT 225 cascade (RVA 47) with temperature effect over room unit QAA 70 connection cable 2 x 0.5 mm², Ni 1000 Ohms at 0° C.

  • Page 7: Operation

    1. Installation ProCon HT 150 / HT 225 • Pump overrun for domestic water pump • Safety temperature limiter STL (boiler) In order to use the residual heat of the boiler after it is charged with The boiler control has a corresponding logic that uses the flow and domestic water, the boiler control carries out a pump overrun.
  • Page 8 1. Installation ProCon HT 150 / HT 225 • Domestic water sensor If there is no sensor or if a short circuit occurs, an error warning (50) is triggered and all the functions associated with it are automatically deactivated. • Flue gas sensor These sensors must always be present.

  • Page 9: Choosing Installation Location

    2. Installation ProCon HT 150 / HT 225 In b etri e b n ahm e • Mounting the boiler Choosing installation location Mount the boiler in such a way that a heater specialist can connect the lines at the back of the appliance.

  • Page 10: Hydraulic Connection

    2. Installation ProCon HT 150 / HT 225 Hydraulic connection Gas connection The boiler is factory-equipped with an internal water deflector • Explanations valve. The boiler is a category II2ELL3P gas appliance. • Flushing out the heating system The Wobbe index ranges of the gas group are as follows:...

  • Page 11: Condensed Water Outlet

    2. Installation ProCon HT 150 / HT 225 • Testing tightness • Do not let water accumulate in the pipe (The outlet pipe must not sag or bend) Before start-up, the gas inlet pipe must be checked for tightness. • Do not connect any additional siphon permanently.

  • Page 12: Excerpt From The Model Building Code

    2. Installation ProCon HT 150 / HT 225 Flue gases from closed combustion furnaces that have inflow of MHG recommends room air independent operation because this combustion air from the outdoors via leak proof pipes (room air operation mode has major advantages:...

  • Page 13: Cleaning And Test Openings

    2. Installation ProCon HT 150 / HT 225 Flue gas pipes that cannot be cleaned through the mouth Explanation: must have an additional (upper) cleaning aperture that is The term “low-rise building” is explained in building codes of the Bundesländer (states) under the paragraph titled “Terms.”...
  • Page 14 2. Installation ProCon HT 150 / HT 225 • Installation type C = - Gas appliance (Fan in front of the burner) with flue gas system that draws the combustion air from outdoors via a closed system (room air independent gas furnace).

  • Page 15: Maximum Pipe Lengths, Flue Gas Systems For Procon Ht 150 / Ht 225

    2. Installation ProCon HT 150 / HT 225 Maximum pipe lengths, Flue gas systems for ProCon HT 150 / HT 225 Flue gas outlet in a duct, connecting pipe 2 meters with 2x 87° - deflection Room air dependent operation...

  • Page 16: Room Air Independent Operation - C

    2. Installation ProCon HT 150 / HT 225 2.7.1 Room air independent operation – C Use only parts provided and approved by MHG to discharge the flue gases. • Installation type C Room air independent operation 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).
  • Page 17 ProCon HT 150 / HT 225 Installation • Installation type C Room air independent operation mode; connection to an air/flue gas/duct system (LAS) 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).
  • Page 18 2. Installation ProCon HT 150 / HT 225 • Installation type C Room air independent operation mode; with separate combustion air supply and flue gas outlet. The mouths are located in different pressure ranges 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).
  • Page 19 2. Installation ProCon HT 150 / HT 225 • Installation type C Room air independent operation mode; connection to a combustion air supply and flue gas outlet that has not been checked with the gas furnace. Gas appliance (Fan in front of the burner) flue gas system that draws the combustion air from the outdoors air via a closed system (room air independent gas furnace).
  • Page 20 2. Installation ProCon HT 150 / HT 225 • Installation type C Room air independent operation mode; with flue gas connection to a joint flue gas system (reduced pressure operation) and separate combustion air supply from the outdoors Gas appliance (Fan in front of the burner) flue gas system that draws the combustion air from the outdoors air via a closed system (room air independent gas furnace).
  • Page 21 2. Installation ProCon HT 150 / HT 225 • Installation Type B Room air dependent operation; Flue gas pipe ends in moisture-proof chimney 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).
  • Page 22 2. Installation ProCon HT 150 / HT 225 • Installation Type B Room air dependent operation; flue gas pipe in chimney Fig. 11: B – Room air dependent operation; Flue gas pipe in chimney...
  • Page 23 2. Installation ProCon HT 150 / HT 225 Use only allowed lubricants to connect flue gas pipes. Make sure horizontal components have a 3% clearance from the boiler (3 cm by 1 meter in length), because condensed water could otherwise accumulate in the flue gas pipe. Condensed water in the flue gas pipe may cause operational malfunction.

  • Page 24: Electrical Connection

    2. Installation ProCon HT 150 / HT 225 Electrical connection Caution 230 V: Make sure all electrical components are disconnected. Follow the applicable VDE regulations. The electrical connection must be checked by an electrical specialist before connecting to the mains.
  • Page 25 For resistance values see diagrams in Chap 7.3 • BUS The Local Process Bus (LPB) is used as the communication base for setting up a system with additional MHG heating circuit controllers or external controllers. The terminal is open if the input is not in use.
  • Page 26 2. Installation ProCon HT 150 / HT 225 OCI 420... features an LED for indicating its status. It indicates the status of the LPD and various faults. Status LED Blink code OCI not configured Constantly ON OCI and LMU incompatible (wrong...

  • Page 27: Start Up

    Operating ProCon HT 150 / HT 225 The boiler and room set point value functions are described in detail ProCon HT 150 carries two 75 kW heat generator modules as in the installation/operation/maintenance RVA 47.320 instruction well as a cascade and a heating circuit controller (RVA 47). Each manual included in the scope of delivery.

  • Page 28: Starting Up Procon Ht 150 / Ht 225

    3. Start-up ProCon HT 150 / HT 225 Starting up ProCon HT 150 / HT 225 Before starting up, read the instruction manual carefully and makes sure that: The gas pipe is adequately vented. If inadequately vented, heavy CO2 fluctuations will occur in the first minutes of operation.

  • Page 30: Hydraulic Schemes

    Scheme 1: A pump heating circuit und domestic water storage tank with charge pump With ProCon HT 150 up to a max. o f 6 boilers can be cascaded. With ProCon HT 225 up to a max. of 4 boilers can be cascaded.
  • Page 31 4. Hydraulic schemes ProCon HT 150 / HT 225 • Electrical connections Compo Connection to: Annotation nent Outdoor sensor OS terminal HC pump 1 Terminal HC pump Domestic water sensor Terminal DW Domestic water charge pump Terminal DW pump • Programming:...

  • Page 32: Scheme 2: Two Pump Heating Circuits And Domestic Water Storage Tank With Charge Pump

    Scheme 2: Two pump heating circuits and domestic water storage tank with charge pump With ProCon HT 150 up to a max. of 6 boilers can be cascaded. With ProCon HT 225 up to a max. of 4 boilers can be cascaded.
  • Page 33 4. Hydraulic schemes ProCon HT 150 / HT 225 • Electrical connections Component Connection to: Annotation Outdoor sensor OS terminal Bus connection between wall-mount enclosure Two-wire bus Bus terminal and boiler HC pump 1 RVA 63.280 Q2, N, HC pump 2 RVA 63.280...

  • Page 34: Scheme 3: One Pump Heating Circuit, One Mixing Heating Circuit, And Domestic Water Storage Tank With Charge Pump

    Scheme 3: A pump heating circuit, a mixing heating circuit and domestic water storage tank with charge pump With ProCon HT 150 up to a max. of 6 boilers can be cascaded. With ProCon HT 225 up to a max. of 4 boilers can be cascaded.
  • Page 35 4. Hydraulic schemes ProCon HT 150 / HT 225 • Electrical connections Component Connection to Annotation Outdoor sensor OS terminal HC pump Terminal HC pump Domestic water sensor DW terminal Domestic water charge pump Terminal DW pump Bus connection between wall-mount enclosure...

  • Page 36: Scheme 4: Two Mixing Heating Circuits And Domestic Water Storage Tank With Charge Pump

    Scheme 4: Two mixing heating circuits and domestic water storage tank with charge pump With ProCon HT 150 up to a max. of 6 boilers can be cascaded. With ProCon HT 225 up to a max. of 4 boilers can be cascaded.
  • Page 37 4. Hydraulic schemes ProCon HT 150 / HT 225 • Electrical connections Component Connection to Annotation Outdoor sensor OS terminal BUS connection between wall-mount enclosure and Two-wire BUS BUS terminal boiler Flow sensor MK 1 RVA 63.280 B1, M Pump MK 1 RVA 63.280...

  • Page 38: Scheme 5: One Pump Heating Circuit, Three Mixing Heating Circuits, And A Domestic Water Storage Tank With Charge

    Scheme 5: A pump heating circuit, three mixing heating circuits and domestic water storage tank with charge pump With ProCon HT 150 up to a max. of 6 boilers can be cascaded. With ProCon HT 225 up to a maximum of 4 boilers can be cascaded.
  • Page 39 4. Hydraulic schemes ProCon HT 150 / HT 225 • Electrical connections Component Connection to Annotation Outdoor sensor OS terminal HC pump Terminal HC pump Bus connection between wall-mount enclosure and Two-wire bus Bus terminal boiler Flow sensor MK 1 RVA 46.531...

  • Page 40: Scheme 6: Two Cascades, One Pump Heating Circuit And Domestic Water With Charge Pump

    Scheme 6: Two cascades, one 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.
  • Page 41 4. Hydraulic schemes ProCon HT 150 / HT 225 • Components Compo Code number Annotation nent Included in the scope of delivery: ProCon HT master Cascade 96.30000-7082 Outdoor sensor QAC 31, Cascade controller, 2 strap-on sensors QAD 26 ProCon HT slave Cascade 96.30000-7084...

  • Page 42: Scheme 7: Two Cascades, One Pump Heating Circuit, One Mixing Heating Circuit And Domestic Water With Charge Pump

    Scheme 7: Two cascades, one pump heating circuit, one mixing 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.
  • Page 43 4. Hydraulic schemes ProCon HT 150 / HT 225 • Components Compo Code number Annotation nent Included in the scope of delivery: ProCon HT master Cascade 96.30000-7082 Outdoor sensor QAC 31, Cascade controller, 2 strap-on sensors QAD 26 ProCon HT slave Cascade 96.30000-7084...

  • Page 44: Scheme 8: Two Cascades, Four Mixing Heating Circuits And Domestic Water Storage Tank With Charge Pump

    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.
  • Page 45 4. Hydraulic schemes ProCon HT 150 / HT 225 • Components Compo Code number Annotation nent Included in the scope of delivery: ProCon HT master Cascade 96.30000-7082 Outdoor sensor QAC 31 as well as Cascade controller RVA 47, 2 strap-on sensors QAD 21, bus...
  • Page 46 4. Hydraulic schemes ProCon HT 150 / HT 225 • Programming Change factory setting as specified in the table. Contro Line Set point value Annotation ller RVA 47 Heating circuit switched off Boiler control 4 Device address Boiler control 5...

  • Page 47: Maintenance

    5. Maintenance ProCon HT 150 / HT 225 Oil and burner control units should be inspected once a year. According to DIN 4755 and DIN 4756: Maintenance The operator should make sure the system is checked once a year • Display of maintenance request for operational reliability, functions and efficiency by an authorized manufacturer's agent or by another expert.
  • Page 48 5. Maintenance ProCon HT 150 / HT 225 • Check the hydraulic pressure switch • Clean the combustion chamber / heating surfaces Put the appliance in the heating mode and slowly release the Check the heating gas end of the heat exchanger for dirt. Where system pressure.

  • Page 49: Troubleshooting

    6. Troubleshooting ProCon HT 150 / HT 225 Error code Error messages (Info Possible cause level Invalid LPB...Segment number or unit In the case of a permanent LMU error status..., the error display number (16) will be on permanently. In addition to that, the diagnosis code LPB incompatibility...-Interface / basic unit...

  • Page 50: Technical Documentation

    7. Technical documentation ProCon HT 150 / HT 225 Static delivery head ProCon HT 150 / HT 225 The boilers are equipped with an internal water deflector. Ignore the hydraulic resistance of the water deflector. Resistance curve of flow sensor, domestic water sensor, boiler and flue gas sensor 1.900...

  • Page 51: System Resistance Curve, Outdoor Sensor

    7. Technical documentation ProCon HT 150 / HT 225 Outdoor sensor resistance curve 1.900 1.800 1.700 1.600 1.500 1.400 1.300 1.200 1.100 1.000 Temperature [°C] Fig. 29: Resistance curve NTC 1000 Ohm at 0°C, Outdoor sensor QAC 31...

  • Page 52: Control Panel Agu 2.361

    7. Technical documentation ProCon HT 150 / HT 225 AGU 2.361 control panel • Control and display elements 7494z08/0801 Control element Function Part for integral timer Timer installation In automatic operation → LED on (green) Automatic operation display Summer- / Winter- / Automatic operation button Switch over In winter operation (*) →...
  • Page 53 7. Technical documentation ProCon HT 150 / HT 225 • Operation phase display (Display level A4) You can show the operation phases corresponding to the sequence diagram LMU on AGU2.361 via display (12) by pressing the button (8) and At the same time, you are specifying the following coordination between the display code and LMU…phase description:...

  • Page 54: Display Mode And Programming Of Agu 2.361

    7. Technical documentation ProCon HT 150 / HT 225 Basic processes: 7.4.1 Display mode and programming AGU 2.361 Press display mode ← (+) Increase value (8) briefly several • Arriving at the display mode or (Enter) (+): times(< 1 sec) Press chimney sweep To arrive at the display mode press and hold (>...

  • Page 55: Display Levels

    7. Technical documentation ProCon HT 150 / HT 225 Display levels You can only call up the parameters of Groups A, b, C and d. You can also change Group P. Display ¹) Display level LMU... Variable name Description General information (End user level) ²)

  • Page 56: Setting The Heating Capacity With Qaa 73

    7. Technical documentation ProCon HT 150 / HT 225 End user level 7.5.1 Setting the heating capacity with QAA 73 After input in LMU programming levels, you will land directly in the end user level. You can set the heating capacity alongside the above-named Specialist level settings on QAA 73.
  • Page 57 7. Technical documentation ProCon HT 150 / HT 225 Line Level Function Range Valu 536 Specialist Max. speed at max. capacity in heating operation (upper speed limit) 0 ... 9950 rpm 7000 rpm Maximum modulation level in heating operation 541 Specialist 0 ...
  • Page 58 7. Technical documentation ProCon HT 150 / HT 225 Line Level Function Range Valu Funct. output1 Relay clip-in. (0: Off, 1: Message display., 2: Alarm signal, 3: 619 Specialist Operation message, 4: ext. Transf., 5: Q2Y2, 6: DW Circ.., 7: Curtain, 8: hydr.
  • Page 59 7. Technical documentation ProCon HT 150 / HT 225 • Parameter 536 • Parameter 606 Setting the maximum heating capacity Segment address It specifies the speed for the max. heating capacity of a heat ProCon HT is a system made up of several control units (LMU, generator module and enables the reduction of the max.

  • Page 60: Procon Ht 150 / Ht 225 Electrical Connections

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

  • Page 61: Technical Data Rva 47

    7. Technical documentation ProCon HT 150 / HT 225 Technical data RVA 47 Rated voltage AC 230 V (±10 %) Voltage supply Rated frequencies 50 Hz (±6 %) Power consumption Max. 7 VA Protection class (for proper installation) II, according to EN60730...

  • Page 62: Measurements And Connecting Dimensions

    7. Technical documentation ProCon HT 150 / HT 225 Measurements and connection dimensions Fig. 32:...

  • Page 63: Procon Ht 150 / Ht 225 Technical Data

    7. Technical documentation ProCon HT 150 / HT 225 7.10 Technical data ProCon HT 150 / HT 225 ProCon HT 150 H ProCon HT 225 H Product ID number CE - CE - Category II2ELL3/P II2ELL3/P Volume of hot water in boiler...

  • Page 64: Diagram Of Replacement Part Of Boiler Body, Gas/Air Duct And Fan

    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...

  • Page 65: Diagram Of Replacement Part Of Frame And Panel

    7. Technical documentation ProCon HT 150 / HT 225 7.12 Component diagram of frame and panel Fig. 34: Exploded diagram of frame and panel...

  • Page 66: Diagram Of Replacement Part Of Flue Gas Collector

    7. Technical documentation ProCon HT 150 / HT 225 7.13 Component diagram of flue gas collector Abb. 35: Exploded diagram of flue gas collector...

  • Page 67: Diagram Of Replacement Part Of Water Deflector And Boiler Body

    7. Technical documentation ProCon HT 150 / HT 225 7.14 Component diagram of water deflector and boiler body Abb. 36: Exploded diagram of water deflector and boiler body...

  • Page 68: Legend For Exploded Diagram

    7. Technical documentation ProCon HT 150 / HT 225 7.15 Legend for exploded diagram Pos. Description Code number Floor trough 96.35460-7020 Locking nipple enclosure 94.15393-5001 Toothed disk; A 5.3 external; DIN 6797 zp Avail. upon request Hexagon nut; M5; DIN 934 A3B Avail.
  • Page 69 7. Technical documentation ProCon HT 150 / HT 225 Pos. Description Code number o.A. Plugs DN 80 for Flue gas collector 96.36400-7006 44.6 Lip-sealed. Plug-in sleeve DN 80 95.99287-0087 44.7 Lip seal DN 160 95.99287-0092 44.13 Siphon pipe for flue gas collector 96.36444-7001...
  • Page 70 7. Technical documentation ProCon HT 150 / HT 225 Pos. Description Code number 66.19 Fan mvl RG 148 230V 96.34000-7006 66.20 Socket cap screw; M5x12; DIN 912 8.8 A3C Avail. upon request 66.21 Socket cap screw; M4x8; DIN 912 8.8 A3C Avail.
  • Page 71 96.39200-7035 o.A. Pump connection cable 96.39200-7036 o.A. Set of plain strapping plugs; ProCon HT 225 96.39200-7042 o.A. Set of plain strapping plugs; ProCon HT 150 96.39200-7043 o.A. ProCon HT screw set 96.36600-7080 o.A. Neutralization granules; Hydrolyte MG 1.4 kg 94.18564-5006...

  • Page 72: Warranty

    6. Warranty ProCon HT 150 / HT 225 Warranty Replacement parts Use only original parts by MHG for replacement. ProCon gas condensing boiler by MHG will function smoothly if you install and start it up properly. Always provide serial number when ordering parts.

  • Page 73: Ec Model Declaration Of Conformity

    8. Warranty ProCon HT 150 / HT 225 EC Model Declaration of Conformity Hamburg, November 24, 2005 MHG Heiztechnik GmbH certifies herewith that the gas condensing boiler (condensing-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.
  • Page 74 Notes ProCon HT 150 / HT 225...
  • Page 75 Notes HT 150 / HT 225 GWB 75...

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