Potterton WH 46 Installation, Operation And Maintenance Manual
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Potterton WH 46 Installation, Operation And Maintenance Manual

Potterton WH 46 Installation, Operation And Maintenance Manual

Wall-mounted condensing boilers
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WALL-MOUNTED CONDENSING BOILERS
WH 46
WH 65
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
GB
IE
0085

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  • Page 1 WALL-MOUNTED CONDENSING BOILERS WH 46 WH 65 INSTALLATION, OPERATION AND MAINTENANCE MANUAL 0085...

  • Page 2: Table Of Contents

    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 GOLD HIGH OUTPUT boilers bear the CE mark in compliance with the basic requirements as laid down in the following Directives:...

  • Page 3: 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 4: 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: The instructions contained in this manual relating to the operation of the hot water circuit are relevant only if the appliance is actually connected to a hot water system.
  • Page 5 3.1 DESCRIPTION OF KEYS (2) This key can be pressed to set the central heating water output temperature as described in point 3-3. (3) This key can be pressed to set the hot water temperature as described in point 3-4. (10) Central heating mode operating key key can be pressed to activate four boiler central heating operating modes;...
  • Page 6 3.2 SETTING THE TIME a) 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 b) Press the keys until the display shows P1, referring to the time to be set; c) Press the keys to set the time;...
  • Page 7 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 8 3.7 TABLE FOR USER-SETTABLE PARAMETERS Parameter Factory Range Parameter description 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 9 3.9 FAULT WARNINGS TABLE Fault code Fault description action required outdoor temperature probe sensor failure call the authorised service centre. ntc output sensor failure call the authorised service centre NTC return heating probe faulty call the authorised service centre domestic hot water ntc sensor failure call the authorised service centre Safety or fumes thermostat or heating return press the reset key (for about 2 seconds: if this device is triggered...

  • Page 10: Filling The Boiler

    4. FILLING THE BOILER Important: Regularly check that the pressure displayed by the pressure gauge is between 1 to 4 bar, with the boiler not operating. In case the pressure is lower open the boiler filling tap. We recommend you open the tap very slowly in order to let off the air. In case pressure drops occur frequently have the boiler checked by a Qualified Service Engineer.

  • Page 11: General Information

    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 per- taining 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 12: Boiler Installation

    To avoid damaging metal, plastic and rubber parts, use only neutral cleaners, i.e. non-acid and non alkaline. The recommended products for cleaning are: SENTINEL X300 or X400 and FERNOX heating circuit restore. Please ensure to use this product proceeding strictly in accordance with the manufacturers instructions. Finally fill the system with the correct strength of central heating inhibitor.

  • Page 13: Boiler Size

    The boiler is especially designed for connection to an exhaust flue / air ducting, with either concentric, vertical or horizontal terminal. Where exhaust and intake flues not supplied by POTTERTON GOLD HIGH OUTPUT have been installed, these must be certified for the type of use...
  • Page 14 HORIZONTAL CONCENTRIC FLUES Number of Bends 90° Boiler Flue Size WH46 Ø80/125 WH65 Ø80/125 VERTICAL CONCENTRIC FLUES Number of Bends 90° Boiler Flue Size WH46 Ø80/125 WH65 Ø80/125 CONVENTIONAL FLUE Number of Bends 90° Boiler Flue Size WH46 Ø80 59,5 m 59 m 58,5 m 58 m...
  • Page 15 (0÷4 m for concentric, 0÷20 m for twin). To carry such updating, changing the speed of the fan (rpm) at the maximum and minimum heat input, refer to par. 16. WH 65 WH 46 CONCENTRIC PIPE Ø 80/125 CONCENTRIC PIPE Ø 80/125...

  • Page 16: Hydraulic System

    13. HYDRAULIC DIAGRAM Applications and Installation Details 13.1 HYDRAULIC SYSTEM 1 (Pumped heating circuits with remote control QAA73 or Room Thermostat, including hot-water tank, without and with primary loop) (*) optional extra without low loss header Figure 9a (*) optional extra with low loss header and primary loop Figure 9b INSTRUCTIONS PERTAINING TO THE INSTALLER...
  • Page 17 • TS: Tank Sensor (QAZ36)* • B3: Room Control Module (QAA73)* • B1: Room Thermostat • B9: Outdoor Temperature Sensor (QAC34)* • P1: Heating Pump • PDHW: Hot Water pump • PLP: Primary Pump (only for figure 9b) (*) Available Optional Extra • Pumps (Not Supplied) • Isolating Valve (Not Supplied) • Installer Wiring --------------...
  • Page 18 13.2 HYDRAULIC SYSTEM 2 (Pumped heating circuits with Room Thermostat and compensated circuit with remote control QAA73, inclu- ding hot-water tank, with primary loop) • TS:Tank Sensor (QAZ36)* • B3: Room Control Module (QAA73)* • B1: Room Thermostat • B9: Temperature Sensor (QAC34)* • Zone Controller (Clip-in AGU2.500)* • FS: Flow Sensor (QAD36: supplied with AGU2.500)* • P1: Heating Pump...
  • Page 19 Applications (pumps, sensor, remote control ...) have to be connected to terminal as follows (see also section 14): APPLICATION TERMINAL BOARD PRIMARY PUMP PLP M1: A – B DHW PUMP PDHW M3: 13 – 14 HEATING PUMP P1 M3: 11 – 12 DHW SENSOR TS M2: 7 –...

  • Page 20: Connecting The Mains Supply

    14. CONNECTING THE MAINS SUPPLY Electrical safety of the appliance is only guaranteed by correct earthing, in compliance with the applicable standards and regulations. Connect the boiler to a 230V earthed power supply by means of the three-pin cable supplied ensure that the polarity is correct.
  • Page 21 14.1 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 12). 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 its hydraulic resistance table.
  • Page 22 14.2 CONNECTING THE HOT WATER TANK SENSOR Remove the resistor from terminals 9-10 of terminal strip M2 (figure 13), and connect the hot water priority NTC sensor, which is supplied as an accessory. The sensing element of the NTC device must be located in the recess provided on the storage tank (figure 13). The temperature and on-off programming of the domestic hot water supply are selected directly from the boiler control panel, as described in this manual under the user instruction headings.
  • Page 23 14.3 DESCRIPTION OF THE ELECTRICAL CONNECTIONS TO THE BOILER Turn the control box downward to access terminal board M2 used for the electrical connections by removing the protective cover (see figure 13). Terminals 1-2: connection of SIEMENS model QAA73 room temperature regulator supplied as optional extra. Connection polarity is irrelevant.
  • Page 24 14.4 CONNECTING THE QAA73 TEMPERATURE REGULATOR The SIEMENS model QAA73 room temperature regulator, if required (optional extra) must be connected to terminals 1-2 of terminal board M2 in figure 13. The link across terminals 3-4, provided for connection of a room temperature thermostat, must be removed. The settings of the domestic hot water temperature and domestic hot water production schedule must be made using this device.
  • Page 25 14.5 CONNECTING THE OUTDOOR TEMPERATURE SENSOR The SIEMENS model QAC34 outdoor temperature sensor (optional extra) for weather compensation must be connected to terminals 7-8 of terminal board M2 in figure 13. The procedures for setting the gradient of the temperature curve “kt” vary depending on the accessories connected to the boiler.
  • Page 26 b) With QAA73 room temperature regulator: The temperature curve “kt” must be selected by setting parameter 70 “HC1 curve” of the QAA73 room tem- perature control device as described in section 14.4 “QAA73: parameters which can be set by the installation engineer (service)”.

  • Page 27: Gas Valve Adjustment

    15. GAS VALVE ADJUSTMENT Carry out the following ope rations in the given sequence: 1) Calibration of the maximum heat output. Check that the CO measured on the flue, with the boiler operating at the maximum heat output, is the same as that shown in table 1. Otherwise, turn the regulation screw (V) on the gas valve.
  • Page 28 8.7 % 10 % min. heat output 8.4 % 9.8 % Table 1 Gas consumption at 15 °C WH 46 WH 65 1013 mbar gas G20 - 2H - 20 mbar PCI (MJ/Kg) NET 34.02 34.02 Consumption at max. heat output (Kg/h) 4.91...

  • Page 29: Setting The Boiler Parameters

    16. SETTING THE BOILER PARAMETERS The boiler parameters may only be modified by professionally qualified staff proceeding as follows: a) Press the , keys on the boiler’s front panel together for about 3 s until the parameter H90 appears on the display;...

  • Page 30: Control And Operation Devices

    17. CONTROL AND OPERATION DEVICES The boiler has been designed in full compliance with European reference standards and in particular is equip- ped with the following • Overheat thermostat This thermostat interrupts the gas flow to the main burner in case the water contained in the circuit has ove- rheated.

  • Page 31: Positioning Of The Ignition And Flame Sensing Electrode

    18. POSITIONING OF THE IGNITION AND FLAME SENSING ELECTRODE Figure 17 19. CHECK OF COMBUSTION PARAMETERS To measure the performance of combustion products, the forced draught boiler models are equipped with two test points on the tapered coupling specifically designed for this purpose. One of the two test points is connected to the exhaust flue duct to allow measurements of the combustion products and efficiency.

  • Page 32: Activating The Chimney-Sweep Function

    20. 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 33: Boiler Schematic

    22. BOILER SCHEMATIC Figure 20 Legend: Boiler drain point Manometer (water pressure gauge) Siphon (condensate) NTC delivery heating probe 105°C overheat thermostat Gas valve Heat exchanger Flame detector electrode (ionisation probe) Main burner Ignition electrode Air/gas mixture header Mixer with venturi Injector Flue thermostat Flue spigot...

  • Page 34: Illustrated Wiring Diagram

    23. ILLUSTRATED WIRING DIAGRAM INSTRUCTIONS PERTAINING TO THE INSTALLER 926.772.1 - GB/IE...

  • Page 35: Technical Data

    24. TECHNICAL DATA Boiler model WH WH 46 WH 65 Category 2H3P 2H3P Nominal heat input (net/gross) 46,4 - 51,5 67,0 - 74,4 Reduced heat input (net/gross) 15 - 16,6 20,0 - 22,2 45,0 65,0 Rated heat output 75/60°C kcal/h 38.700...
  • Page 36 POTTERTON GOLD HIGH OUTPUT, in its commitment to constantly improve its products, reserves the right to alter the specifications contained herein at any time and without previous warning. These Instructions are only meant to provide consumers with use information and under no circumstance should they be construed as a contract with a third party.

This manual is also suitable for:

Wh 65

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