Potterton Sirius FS 50 Installation, Operation & Maintenance Manual
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Potterton Sirius FS 50 Installation, Operation & Maintenance Manual

Floor standing condensing gas boilers
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See also: Installation and Servicing Manual , Installation Manual
To be kept by the user
October 2010
Sirius FS 50-70
Floor Standing Condensing Gas Boilers
Installation, Operation & Maintenance Manual
Working towards
a cleaner future
heating specialists

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Summary of Contents for Potterton Sirius FS 50

  • Page 1 To be kept by the user October 2010 Sirius FS 50-70 Floor Standing Condensing Gas Boilers Installation, Operation & Maintenance Manual Working towards a cleaner future heating specialists...
  • Page 2 Do not leave any parts of the packaging (plastic bags, polystyrene, etc.) within children’s reach as they are a potential source of danger. potterton coMMercIaL boilers bear the CE mark in compliance with the basic requirements as laid down in the following Directives:...

  • Page 3: Table Of Contents

    contents instructions pertaining to the user 1. Instructions prior to installation 2. Instructions prior to commissioning 3. Commissioning of the boiler 4. Filling the boiler 5. Switching the boiler off 6. Prolonged standstill of the system. Frost protection 7. Servicing instructions and gas change instructions pertaining to the installer 8.

  • Page 4: Instructions Prior To Installation

    1. instructions prior to installation This boiler is designed to heat water at a lower than boiling temperature at atmospheric pressure. The boiler must be connected to a central heating system and/or to a domestic hot water supply system in compliance with its performances and output power.

  • Page 5: Commissioning Of The Boiler

    3. coMMissioning oF the boiler To correctly light the burner proceed as follows: 1) Provide power supply to the boiler; 2) Open the gas cock; 3) Follow the directions given below regarding the adjustments to be made at the boiler control panel. Figure 1 IMPORTANT: Domestic Hot Water (D.H.W.) instructions discribed here, are to be taken into account only if the boiler is connected to a D.H.W.
  • Page 6 3.1 description oF keys (2) Central heating water temperature setting key. This key can be pressed to set the central heating water output temperature as described in point 3-3. (3) Domestic hot water temperature setting key. This key can be pressed to set the domestic hot water temperature as described in point 3-4.

  • Page 7: Setting The Time

    3.2 setting the tiMe • Press either of the keys to access the programming function; the display will show the letter P followed by a number (program line); Figure 3 • Press the keys until the display shows P1, referring to the time to be set; •...
  • Page 8 3.5 setting the daily prograM For operation in central heating and doMestic hot water Modes 3.5.1 setting the daily times for central heating mode operation - Press either of the keys to access the programming function; a) press these keys until the display shows P11, referring to the program start time; b) press the keys to set the time;...
  • Page 9 3.7 table For user-settable paraMeters Parameter Parameter description Factory Range setting Time of day setting ———- 0…23:59 Minimum central heating temperature setting (°C) 25..80 Start of first daily period of automatic central heating 6:00 00:00…24:00 End of first daily period of automatic central heating 22:00 00:00…24:00 Start of second daily period of automatic central heating...
  • Page 10 3.8 Fault warnings and resetting the boiler If a fault occurs, a flashing warning code appears on the display. The fault warnings appear on the main display (figure 1 a) together with the symbol (Figure 4). To reset, press the reset button for at least two seconds.
  • Page 11 3.9 table oF Faults and error Messages Error Description of fault Corrective action code Outdoor temperature sensor fault Call an authorised service centre (*). NTC output sensor failure Call an authorised service centre (*). Hot water NTC sensor failure Call an authorised service centre (*). E110 Safety or flue gas thermostat tripped Press the reset key (for about 2 seconds: if this device is triggered repeatedly, call...

  • Page 12: Filling The Boiler

    4. Filling the systeM IMPORTANT: Regularly check that the pressure displayed by the pressure gauge is 1 ÷ 4 bar when the central heating system is cold. Open the boiler drain cock to reduce pressure if it is too high. Open the filling cock to increase pressure if it is too low.

  • Page 13: Instructions Pertaining To The Installer

    8. general inForMation The following remarks and instructions are addressed to Service Engineers to help them carry out a faultless installation. Instructions regarding lighting and operation of the boiler are contained in the ‘Instructions pertai- ning to the user’ section. Note that installation, maintenance and operation of the gas appliances must be performed exclusively by qualified personnel in compliance with current standards.

  • Page 14: Boiler Installation And Dimensions

    To ensure correct operation of the appliance and avoid invalidating the warranty, observe the following precautions: Heating circuit 1.1. New system Before proceeding with installation of the boiler, the system must be cleaned and flushed out thoroughly to eliminate residual thread-cutting swarf, solder and solvents if any, using suitable proprietary products. To avoid damaging metal, plastic and rubber parts, use only neutral cleaners, i.e.
  • Page 15 Insert the flue-gas union and fasten the connector to the flue-gas thermo- stat heating flow heating return GAS: gas inlet to the boiler condensate drain Figure 5 Model Depth Height Widht Fitting Fitting Water contents (mm) (mm) (mm) fitting ( l ) (CH) (CH) FS 50...

  • Page 16: Hydraulic System

    10.1 hydraulic systeM 1 (Pumped heating circuits with remote control QAA73 or Room Thermostat, including hot-water tank, with primary loop) Applications and Installation Details Figure 6 - TS: Tank Sensor (QAZ36)* - B3: Room Control Module (QAA73)* - B1: Room Thermostat* - B9: Outdoor Temperature Sensor (QAC34) supplied with the boiler - P1: Heating Pump - PDHW: Hot Water Pump...
  • Page 17 Parameter changes requires (see also section 14): Description Setting Parameter PARAMETER H552 Hydraulic system H552 = 2 (*) H553 KonfigHKS H553 = 21 (*) H615 KonfigAusgang H615 = 9 (*) H632 WANFO Q8 H632 = 00001100 (*) (*) factory set 10.2 hydraulic systeM 2 (Pumped heating circuits with Room Thermostats and compensated circuit with remote control QAA73, including hot-water tank, with primary loop)
  • Page 18 Applications (pumps, sensor, remote control ...) have to be connected to terminal as follows (see also section 12): APPLICATION TERMINAL BOARD PRIMARY PUMP PLP M1: A – B DHW PUMP PDHW M3: 13 – 14 HEATING PUMP P1 M3: 11 – 12 DHW SENSOR SB M2: 7 –...
  • Page 19 Figure 8 Applications (pumps, sensor, remote control ...) have to be connected to terminal as follows (see also section 12): APPLICATION TERMINAL BOARD PRIMARY PUMP PLP M1: A – B HEATING PUMP P1 RVA 47 ROOM THERMOSTAT RVA 47 FLOW/ RETURN SENSOR QAD 21 RVA 47 Parameter changes requires (see also section 14): PCB PARAMETER...
  • Page 20 10.4 exchangers pressure drop FS 50 - 70 EXCHANGER PRESSURE DROP. WATER FLOW RATE (l/h) Graph 1 Boiler hydraulic resistance and Water Flow rates 11°K ∆t 15°K ∆t 20°K ∆t 30°K ∆t Lit/sec Lit/sec Lit/sec Lit/sec Fs 50 0,97 0,71 0,53 0,35 Fs 70...

  • Page 21: Chimney Flue Connection

    11. chiMney Flue connection Connect the boiler to the flue using a pipe made of stainless steel or plastic material with an internal diameter of 80 mm, capable of resisting normal mechanical stresses over time, as well as high temperatures (<120°C) and the chemical effects of fuel gases and their condensates.
  • Page 22 11.2 connector with c53 type The kit is used to introduce combustion air from outside the installation area and comprises a hose to be installed in the mixer body. Please consult the instructions supplied with the kit. For air ducts (diameter and length), see the kit manual. InstructIons pertaInInG to the InstaLLer 912.822.1 - GB...

  • Page 23: Connecting The Mains Supply

    12. Making the electrical connections Electrical safety of the appliance is only guaranteed by correct earthing, in accordance with the current stan- dards and regulations. Connect the boiler to a 230V by means of the three-pin cable supplied with it make sure that the polarities are correctly connected.
  • Page 24 12.2 connecting the puMps Turn the control box downward to access terminal boards M1 and M3 used for the electrical connections by removing the protective covers (see figure 11). Terminals M1 a – b: connection of the Primary loop pump for the heating system (Plp) Check the correct size and rating of the pump by referring to graph n°...
  • Page 25 safety contact room thermostat Figure 12 external power input 0÷10V Figure 13 InstructIons pertaInInG to the InstaLLer 912.822.1 - GB...
  • Page 26 12.4 description oF the electrical connections to the boiler Turn the control box downward to access terminal blocks M1 and M2 used for the electrical connections by removing the two protective covers (see figure 10). Terminals 1-2: connections for the optional SIEMENS QAA73 (optional extra) room temperature regulator. These connections do not have any specific polarity.
  • Page 27 Voltage (VDc) Boiler heating performance according to the voltage on the connector (with voltage above 5V). NB: Demand active = 10 Demand inactive = 0 12.5 connecting the qaa73 rooM teMperature regulator The SIEMENS model QAA73 room temperature regulator, if required (optional accessory) must be connected to terminals 1-2 of terminal block M2 in figure 12.

  • Page 28: Fault Messages

    Parameter Range Default value Line no. HC1 gradient heating curve 2.5…40 Selection of central heating circuit temperature curve “kt” HC1 max. output 25…85 Central heating system maximum output temperature Type of building Light, Heavy Light Room compensation on HC1 Activation/deactivation of the influence of the room temperature. If it is on HC2 On HC1 deactivated, the outdoor temperature sensor must be installed.
  • Page 29 12.6 connecting the outdoor teMperature sensor probe The SIEMENS model QAC34 outdoor temperature sensor must be connected to terminals 7-8 of terminal board M2 in figure 12. The procedures for setting the gradient of the temperature curve “kt” vary depending on the accessories con- nected to the boiler.

  • Page 30: Adjusting The Gas Valves And Gas Change

    13. adjusting the gas valves Mixer Gas valve LEGEND: Gas supply pressure connection point P out: Pressure connection point for measurement of the OFFSET Gas flow adjuster screw OFFSET adjuster screw Figure 14 InstructIons pertaInInG to the InstaLLer 912.822.1 - GB...

  • Page 31: Gas Conversion

    Proceed as follows to adjust the single gas valve: • Insert the flue analysis probe into the flue sampling hole as instructed in section 17 (figure 17). • Press and hold the keys on the control panel simultaneously for 7 seconds until the symbols .

  • Page 32: Setting The Boiler Parameters

    Gas consumption at 15 °C 1013 mbar Gas G20 - 2h - 20 mbar MJ/m 34,02 34,02 Consumption at max. heat output 4,91 7,08 Consumption at min. heat output 1,29 1,46 max. heat output min. heat output Parameters h536-h613 (rpm) at maximum power 6100 6400 Parameters h541-h610 (pwm %) at maximum power...
  • Page 33 c) Press the keys to modify the parameter; d) Press the key to exit the programming function. The following are the parameters generally used: Factory setting parameter n. Description Minimum D.H.W. temperature setting (°C). D.H.W. activation program (0=active; 1=not active) h505 Maximum temperature (°C) of the central heating circuit HC1 corresponding to: - the main circuit in systems with just one zone;...

  • Page 34: Control And Operation Devices

    15. control and operation devices The boiler has been designed in full compliance with European reference standards and in particular is equipped with the following: • Overheat safety thermostat This thermostat interrupts the gas flow to the main burner in case the water contained in the circuit has ove- rheated.

  • Page 35: Positioning Of The Ignition And Flame Sensing Electrode

    16. positioning oF the ignition and FlaMe sensing electrode Figure 16 17. check oF coMbustion paraMeters Drill a hole in the flue at a distance from the boiler equivalent to twice the diameter of the flue to measure combustion efficiency and combustion flue composition in accordance with the rules in force. Use this hole to measure the following parameters: •...

  • Page 36: Activating The Chimney-Sweep Function

    18. activating the chiMney sweep Function To facilitate measurement of the combustion efficiency and improve the cleanliness of the production products, the chimney sweep function can be activated by proceeding as described below: 1) Press the (2-3) together until the pointer “ ” appears on the display alongside the symbol (about 3 seconds but no more than 6 seconds).

  • Page 37: Boiler Schematic

    20. boiler scheMatic Figure 19 Key: 1 Water pressure gauge 2 Siphon (condensate) 3 Central heating ntc sensor 4 105°C overheat safety thermostat 5 Gas valve 6 Heat exchanger 7 Flame detector electrode (ionisation probe) 8 Burner 9 Ignition electrode 10 Mixer with venturi 11 Air/gas diaphragm 12 Fan...

  • Page 38: Illustrated Wiring Diagram

    21. illustrated wiring diagraM InstructIons pertaInInG to the InstaLLer 912.822.1 - GB...

  • Page 39: Technical Data

    22. technical data Boiler model FS Category 2H3P 2H3P Maximum heat input (net/gross) 46,4-51 67-73,7 Minimum heat input (net/gross) (G20) 12,2-13,4 13,8-15,2 Minimum heat input (net/gross) (G31) 12,2-13,4 19,9-21,9 Maximum heat output 75/60°C kcal/h 38.700 55.900 Maximum heat output 50/30°C 48,7 70,3 kcal/h...
  • Page 40 Our service organisation covers the whole of the UK to look after Spares your needs for all Potterton Commercial products. Our service office offers a wide range of specialised services Potterton Commercial spares are available nationwide including: through the interpart network of approved stockists.

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