1. Manuals
  2. Brands
  3. Potterton Manuals
  4. Boiler
  5. envoy 30
  6. Installation & service instructions manual

Potterton Envoy 30 Installation & Service Instructions Manual

Fan powered balanced flue gas fired condensing boiler
Hide thumbs Also See for Envoy 30:
Table of Contents

Advertisement

Quick Links

POTTERTON ENVOY 30, 40, 50, 60, & 80 FAN POWERED BALANCED FLUE
"In your own interest, and that of safety, it is law that all gas appliances are installed by competent persons,
in accordance with the above regulations. Failure to install appliances correctly could lead to prosecution."
The polythene bags used for packaging are a potential hazard to babies and young children
LEAVE THESE INSTRUCTIONS WITH THE USER FOR USE ON FUTURE CALLS
For Use With Natural Gas
(G20) Only At 2Ombar For
Use in GB & IE
Installation & Service Instructions
GAS FIRED CONDENSING BOILER
THE GAS SAFETY (INSTALLATION AND USE) REGULATIONS
and MUST BE DISPOSED OF IMMEDIATELY.
IMPORTANT
PLEASE READ THIS BOOK
BEFORE INSTALLING
OPERATING OR SERVICING
THIS APPLIANCE

Advertisement

Table of Contents
loading

Related Manuals for Potterton Envoy 30

Summary of Contents for Potterton Envoy 30

  • Page 1 Installation & Service Instructions POTTERTON ENVOY 30, 40, 50, 60, & 80 FAN POWERED BALANCED FLUE GAS FIRED CONDENSING BOILER THE GAS SAFETY (INSTALLATION AND USE) REGULATIONS “In your own interest, and that of safety, it is law that all gas appliances are installed by competent persons, in accordance with the above regulations.

  • Page 2: Table Of Contents

    6. Fault Finding...................... 27 7. Electrical Diagrams.................... 28 8. Short Parts List ....................34 The Potterton ENVOY is a high efficiency lightweight, OPTIONAL EXTRA automatically controlled wall hung gas fired condensing boiler. The flue system is room sealed and fan Terminal Wall Plate - where necessary can be fitted to the powered.

  • Page 3: Section 1. Technical Data

    TECHNICAL DATA – Page 3 Boiler Output Heat Input 10.1 13.43 16.87 20.2 26.86 Btu/hr 34,500 45,800 57,600 68900 91,600 NONE CONDENSING Heat Output 8.79 11.72 14.65 17.58 23.45 Btu/hr 30,000 40,000 50,000 60,000 80,000 CONDENSING Heat Output 12.8 16.1 19.0 25.0 Btu/hr...
  • Page 4 TECHNICAL DATA – PAGE 4 FIG.2 GENERAL ARRANGEMENT...

  • Page 5: Installation Requirements

    A 230 volts - 50Hz, single phase electricity supply fused to 3 installation requirements. If you need advice on any amperes, must be provided in accordance with the latest points, Potterton Service Operations will be pleased to edition of the lEE Wiring Regulations and any other local help (see back page).
  • Page 6 FLUE TERMINAL AND DUCTING (Fig. 3a, b & c) Ensure that the gas supply pipe and meter are large The standard horizontal flue system (Potterton Part No. enough for the appliance and any others that may be 236346) is suitable for installations up to 1030mm, run off the same meter.
  • Page 7 INSTALLATION REQUIREMENTS – Page 7 Note: Where a flue terminal is installed less than one IMPORTANT: It is absolutely ESSENTIAL to ensure that metre from a plastic, or painted gutter, or 500mm from products of combustion discharging from the terminal painted eaves, an aluminium shield one metre long, cannot re-enter the building, or any other adjacent should be fitted to the underside of the gutter or painted...
  • Page 8 2. Maintaining a minimum water flow through the boiler water. of 9 litres/mm (2 gal/mm). The only system additives recommended by Potterton A suggested method of meeting these requirements by are FERNOX-COPAL or GRACE DEARBORN- using a bathroom radiator fitted with two lockshield valves SENTINEL X 100 and should be used in accordance is shown in FIGS.
  • Page 9 THE SYSTEM – Page 9 EXPANSION VESSEL CYLINDER A diaphragm type expansion vessel to BS.4814 Part 1 The hot water cylinder must be an indirect coil type or a shall be fitted close to the inlet side of the pump. The direct cylinder fitted with an emersion calorifier suitable for connecting pipework should not be less than 15mm operating at a gauge pressure of 0.3 bar (Slbf/in...
  • Page 10 THE SYSTEM – Page 10 FIG. 4: OPEN VENTED FULLY PUMPED SYSTEM FITTED WITH A COMBINED FEED AND VENT FIG. 5: FULLY PUMPED SEALED SYSTEM.
  • Page 11 CIRCULATION PUMP SELECTION – Page 11 The resistance through the heat exchanger when either the flow or return and MUST be wired directly to the operating with a water flow rate producing an 11 boiler terminal block. It must be fitted with two isolating temperature rise at maximum boiler output are shown in valves which are positioned as close to the pump as TABLE 2.

  • Page 12: Installation

    INSTALLATION – Page 12 It is the law that all gas appliances are installed and CARTON 1:- Boiler Pack serviced by a competent person as stated in Gas Safety Boiler (Installation and Use) Regulations 1994. Outer casing assembly Template For Health and Safety Information Page 35. Boiler mounting plate Accessory pack Electrical test work should be carried out by a...
  • Page 13 INSTALLATION – Page 13 Remove template and drill holes ‘A’ using a 7mm drill. Carefully cut flue outlet hole through wall or ceiling allowing for any horizontal flue to rise at an angle of 3 throughout its length. Using wall plugs and screws from accessory pack ‘A’ attach boiler mounting plate to wall ensuring that it is level.

  • Page 14: Flue System

    FIG. 10 REMOVING FUNCTIONAL CASE DOOR Envoy 30 & 40 Only: These boilers are supplied with a balancing disc in the separate fittings pack. The disc should be fitted in the boiler return pipe before the system pipework is connected to the boiler.
  • Page 15 FLUE SYSTEM – Page 15 FIG. 12 ACCESSING TO THE BOILER ELECTRICAL TERMINAL BLOCK & ROUTING OF ELECTRICAL WIRING ELECTRICAL CONNECTIONS Following the pump manufacturers instructions connect the pump live to terminal marked PUMP L. The boiler and all external control circuit wiring must be supplied from the same isolating switch or plug and The neutral and earth wires for the pump should be socket.

  • Page 16: Commissioning

    COMMISSIONING – Page 16 OPEN VENTED SYSTEMS Fit the functional case door into position by lifting it onto the top hinge brackets and secure it with the lower two Remove the pump and flush out the system thoroughly fixing screws. with cold water.
  • Page 17 BEEN PRECISELY SET AND CHECKED DURING gas rate or the burner pressure falls outside the tolerance MANUFACTURE AND NO ATTEMPT SHOULD BE specified, Potterton Myson Service Department should be MADE TO ADJUST IT. called as specialist equipment is required to enable adjustment to be made.
  • Page 18 COMMISSIONING – Page 18 FIG. 13 GAS CONTROL VALVE Relight the boiler and reheat the system to maximum. automatically but controlled at a maximum flow Check for water leaks, turn the boiler off, drain the temperature of 60 C. In the “ ” position the boiler will system whilst hot.
  • Page 19 COMMISSIONING – Page 19 BOILER DISPLAY Other characters will be displayed if a fault condition should occur. Their purpose is to assist the service Under normal conditions of operation the following engineer and more information is provided in the characters will indicate:- SERVICING section of these instructions.
  • Page 20 SERVICING & REPLACING PARTS – Page 20 It is the law that all gas appliances are installed and a) Set boiler control switch to the mid i.e. “ ” and the serviced by a competent person as stated in Gas Safety display should read “...
  • Page 21 SERVICING & REPLACING PARTS – Page 21 FIG. 16 REMOVING FAN REMOVING FAN REMOVING COMBUSTION CHAMBER AND FLUE HOOD 1) Disconnect electrical connection from fan motor. FIG. 5) Disconnect flexible condensate pipe from the rear of the combustion chamber/sump casting. FIG. 16. 2) Disconnect flexible sensing tube from the fan inlet housing.
  • Page 22 RE-ASSEMBLY OF BOILER 2) Cleaning of the heat exchanger must be carried out 6) Before reassembling combustion chamber and flue using a Potterton scraper Part No. 907736. hood to the boiler examine for the following:- • 3) Working from below and above the heat exchanger The “O”...

  • Page 23: Servicing & Replacement Of Parts

    SERVICING & REPLACING PARTS – Page 23 7) Replacement of components is the reverse of 10) Ensure connection from sump to syphon is made removal. before refitting fan. Note great care should be taken not to damage the flue 11) Ensure that the gaitor between the flue hood and hood and combustion chamber seals during replacement elbow is correctly positioned untwisted and forms a of these assemblies.
  • Page 24 SERVICING & REPLACING PARTS – Page 24 4) INSULATION (Continued) 7) FLUE HOOD/COMBUSTION CHAMBER SEALS. Carefully replace burner. a) Remove combustion chamber/fluehood as described in “Servicing Boiler” See Fig.17. g) Refit hot surface igniter WARNING this component is fragile and requires careful handling. b) Remove old seal.
  • Page 25 SERVICING & REPLACING PARTS – Page 25 FIG. 21 10) SIGHT GLASS (COMBUSTION CHAMBER OR 12) DRY FIRE TEMPERATURE SENSOR. CASE DOOR). a) Remove decorative and functional doors as described Note care should be taken when handling and in “Servicing Boiler”. disposing of broken glass.
  • Page 26 FIG. 22. from the control as they become accessible. FIG. 23. c) Remove screw retaining control front panel and tray. e) Remove old fuse and replace with the correct Potterton FIG. 22. component T3 ISA Pt 933005. d) Gently pull front panel forward removing connectors Replacement is the reverse of removal.

  • Page 27: Fault Finding

    FAULT FINDING – DIAGNOSTIC DISPLAY – Page 27 DIGITAL DISPLAY Boiler operating, high flow temperature selected. Boiler operating but up to temperature. This boiler is fitted with a single digit display which is located Boiler restart delayed to prevent rapid cycling (max in the front control box behind the hinged door.

  • Page 28: Electrical Diagrams

    FAULT FINDING CHART (1) – Page 28...
  • Page 29 FAULT FINDING CHART (2) – Page 29...
  • Page 30 BOILER INTERNAL WIRING – Page 30...
  • Page 31 BOILER WIRING LAYOUT – Page 31...
  • Page 32 APPENDIX A – Page 32 Burner pressure checking and adjustment procedure. SETTING THE BURNER PRESSURE This appliance is fitted with a Gas/Air ratio control mixing WARNING valve. This gas valve ensures that the correct amount of gas is delivered to the burner to match the available air Setting the burner pressure requires the following supply under all operating conditions.
  • Page 33 APPENDIX A – Page 33 FIG. 24 GAS CONTROL VALVE ADJUSTMENT FIG. 25 PRESSURE ADJUSTMENT GRAPH Signal and Burner Pressures are based on a Burner Injector with a nominal flow rate.

  • Page 34: Short Parts List

    SHORT PARTS LIST – Page 34 Description of part P/M Part No G.C. Part No Gas Valve Assembly 30 Boiler 930103 114621 40 Boiler 930104 114622 50 Boiler 930105 114623 60 Boiler 930106 114624 80 Boiler 930107 114625 Injector 30 Boiler 411014 114662 Injector 40 Boiler...
  • Page 35 HEALTH AND SAFETY INFORMATION FOR THE INSTALLER AND SERVICE ENGINEER – Page 35 Health and Safety for the Installer and Service Engineer. Known Hazards - Some people can suffer reddening and itching of the skin. Fibre entry into the eye will cause Under the Consumer Protection Act 1987 and Section 6 foreign body irritation.
  • Page 36 Back Page...

This manual is also suitable for:

Envoy 40Envoy 50Envoy 60Envoy 80

Table of Contents