Potterton Sirius two WH Installation, Operation And Maintenance Instructions
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Potterton Sirius two WH Installation, Operation And Maintenance Instructions

Wall hung stainless steel condensing boilers
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  • Page 2: Table Of Contents

    Dear Customer, Thank you for your purchase. Our company is confident that your new product will meet all of your requirements. Purchasing this product gives you a solution that provides peace of mind, ease of use and exceptional performance. Please ensure that you read this manual before installing the product as it contains vital information for its correct use. Failure to install the product as advised in this manual may result in void of the warranty terms and conditions.

  • Page 3: Description Of Symbols

    DESCRIPTION OF SYMBOLS WARNING Risk of damage to or malfunction of the appliance. Pay special attention to the warnings concerning dan- ger to people. DANGER OF BURNS Wait for the appliance to cool down before working on the parts exposed to heat. DANGER - HIGH VOLTAGE Live components - electrocution hazard.

  • Page 4: Safety Warnings

    Initial lighting of the boiler must be carried out by an authorised Service Engineer who must first ensure that: • The rated data correspond to the supply (electricity, water and gas) data. • That the installation complies with current regulations. •...

  • Page 5: Technical Specifications

    1. TECHNICAL SPECIFICATIONS Model: SIRIUS TWO WH 50 WH 60 WH 70 Category 2H3P Gas used Natural Gas and LPG G20 - G31 Rated heat input 46,3 56,6 66,9 Reduced heat input Rated heat output 80/60°C Rated heat output 50/30 °C 48,6 59,4 70,2...

  • Page 6: Installing The Boiler

    Lastly, vent any radiators in the system. POTTERTON COMMERCIAL declines all liability for damage deriving from the presence of air bubbles in the primary exchanger due to the incorrect or imprecise observance of the above.
  • Page 7 Ø Ø 505 - 377 G 1" G 3/4" G 1" Ø G 3/4" G 1" G 1" G/UNI ISO 228/1 G/UNI ISO 228/1 G/UNI ISO 228/1 (SMOOTH) 7112240.02 (1-07/13)
  • Page 8 WH 50 - 60 WH 70 7112240.02 (1-07/13)
  • Page 9 BOILER SCHEMATIC LAYOUT Venturi Air/gas blend manifold Optional pump position Heat exchanger Hydraulic Safety valve Flue sensor Boiler drain tap Flue hood Pressure gauge Concentric flue connector 18 Hydraulic Pressure Sensor Automatic air vent Gas valve NTC heating sensor Siphon with condensate drain Safety thermostat Gas inlet connection Ignition electrode...

  • Page 10: Installing The Flues

    TABLE 1A If the flue and air ducts installed are not supplied by ∆P (Pa) POTTERTON COMMERCIAL, make sure they are WH 50 – WH 60 certified for the type of use and have a maximum pressure WH 70 drop as indicated in the table to the side.
  • Page 11 Lmax = 10 m - Ø 80/125 mm Lmax = 9 m - Ø 80/125 mm Lmax = 10 m - Ø 80/125 mm Lmax = 8 m - Ø 80/125 mm Lmax = 9 m - Ø 80/125 mm 7112240.02 (1-07/13)

  • Page 12: Cascade Flues

    The boiler is supplied without the circulation pump. This component must be installed on the heating return to allow water to circu- late between the boiler and the low loss header and can be purchased off the shelf or supplied by POTTERTON COMMERCIAL as an accessory (modulating pump).
  • Page 13 HYDRAULIC RESISTANCE WH 50 WH 60 WH 70 Q (l/h) MODULATING PUMP OPERATION GRAPHS WH 50 WH 60 WH 70 7112240.02 (1-07/13)

  • Page 14: Pump Capacity/ Head

    7. PUMP CAPACITY/ HEAD The hydraulic pump, supplied as an accessory kit from POTTERTON COMMERCIAL, is a modulating pump. The purpose of the pump is to circulate the water between the boiler and the hydraulic separator. KEY TO PUMP CHARTS - see chap. "BOILER PUMP"...
  • Page 15 ILLUSTRATED WIRING DIAGRAMS CR_0377_UK 7112240.02 (1-07/13)

  • Page 16: Accessories Not Included In The Packaging

    9. ACCESSORIES NOT INCLUDED IN THE PACKAGING REMOTE CONTROL The wire (1) from the boiler terminal block M2 powers the display backlighting (12 V). It is not necessary to connect this wire to make the Remote Control work. To operate the boiler with the Remote Control mounted on the wall, purchase accessory A supplied with the base A1. Also see the mounting and operation instructions supplied with the kit A.
  • Page 17 When the Control Panel is wall-mounted enable the Room Temperature Sensor and flow temperature modulation as follows: A) ROOM SENSOR • Access menu 2. • Operator unit B to confirm. • programme row 40 (Used as) • B (anti-clockwise) Room unit 1 B to confirm (the room sensor is now active).
  • Page 18 WEATHER COMPENSATION CURVE GRAPHS QAC34 WIRING OF BOILER PUMP Connect the boiler pump to terminals 1-2 of the M3 terminal block as described in section 3. If the pump is a modulating pump connect the PWM signal to the termials 5-6 of the M3 terminal block. HEATING SYSTEM PUMP Install the system pump downline from the hydraulic separator.

  • Page 19: Outdoor System Management Modules

    DOMESTIC HOT WATER CYLINDER The boiler can be electrically connected to an external storage tank. A diagram of the hydraulic connection of the external stor- age tank is shown in chap. "DIAGRAMS". Connect the storage tank pump to terminals 4-5 of the M3 terminal block (see chap. "ELECTRICAL CONNECTION").

  • Page 20: Commissioning The Boiler

    10. COMMISSIONING THE BOILER To light the boiler correctly, proceed as follows: • Check that the system pressure is correct (section 6); • Power the boiler; • Open the gas tap; • Select the required heating mode (section 1.2). During initial ignition, the burner may not ignite (causing the boiler to shut down) until any air in the gas pipes is vented. In this case, repeat the ignition procedure until gas reaches the burner.

  • Page 21: Gas Valve Commissioning

    13. GAS VALVE COMMISSIONING To commissioning the gas valve, enable the commissioning function as described in section 12.2 and carry out the following operations: 1) Commissioning MAXIMUM heat output. Check that the measured on the flue duct, with the boiler operating at maximum heat capacity, matches that indicated in table 2 (allowed tolerance +/- 0.5% with front cover on).

  • Page 22: Special Functions

    14. SPECIAL FUNCTIONS 14.1 COMMISSIONING FUNCTION To commissioning the gas valve, proceed as follows: • Press buttons together for at least 6 seconds. When the function is enabled, the displays shows “On” for a few seconds followed by programme row “304” alternated with the % of boiler power. •...

  • Page 23: Energy-Saving Tips

    ENERGY-SAVING TIPS Adjustment in the heating mode Adjust the boiler flow temperature depending on the kind of system. For systems with radiators, set a maximum heating water flow temperature of approximately 60°C, and increase this value if the required room temperature is not reached. For systems with radiant floor panels, do not exceed the temperature indicated by the system designer.
  • Page 24 Factory ZONE 1 HEATING PARAMETERS (main zone) Minimum Maximum setting *Operating mode (0=Frost Protection, 1=Timed, 3=T.comfort) *Reduced ambient temperature °C *“Kt” curve slope *“Kt” curve drift - 4,5 *“Kt” curve adaptation (0=off) Flow temperature setpoint (minimum value) °C Flow temperature setpoint (maximum value) °C *Enable modulating temperature if set = “---”...

  • Page 25: Faults

    6097 Sensor type collector (1= NTC, 2= Pt 1000) 6110 Building time constant (depending on the insulations of the building) 6220 Software version 6600 LPB device address (BUS connection) 6601 LPB segment address (BUS connection) 6640 Clock time source MAINTENANCE 7045 Time after maintenance month...

  • Page 26: Faults That Cannot Be Reset By The User

    22. FAULTS THAT CANNOT BE RESET BY THE USER In case of FAULTS that cannot be reset by pressing (such as E151 or exceeding 5 manual RESET attempts by the user) RESET the board by pressing the black button (R) located under the rubber cap (symbol ) of the front control panel (figure to side).

  • Page 27: Routine Maintenance Instructions

    24. ROUTINE MAINTENANCE INSTRUCTIONS To keep the boiler efficient and safe, have it checked by the Authorised Service Centre at the end of every 12 months. Careful servicing ensures economical operation of the system. 25. ANNUAL SERVICING The service must be performed only by qualified and competent staff in accordance with the Gas safety, Installation and use regulations.

  • Page 28: Checking The Burner

    25.2 CHECKING THE BURNER The burner needs no cleaning. • Check the burner surface for damage, replace the burner if necessary. • Check the positioning of the flame detection probe. • Verify that the distance of the ignition electrode is within tolerance as shown in the figure. •...

  • Page 29: Diagrams

    26. DIAGRAMS AGU 2.550 CR_0349 AVS 75 CR_0349 7112240.02 (1-07/13)
  • Page 30 SAFETY THERMOSTAT (Tmax=50°C - free contact) CG_2482 7112240.02 (1-07/13)
  • Page 31 MODIFIED PARAMETERS VALUE NOTE 7112240.02 (1-07/13)
  • Page 32 7112240.02 (1-07/13)

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