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THE GAS SAFETY (INSTALLATION AND USE) REGULATIONS 1994 (as amended).
'' 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 and
Installation must be in accordance with the Installation & Service Instructions and the rules in force.
LEAVE THESE INSTRUCTIONS WITH THE USER FOR USE ON FUTURE CALLS
For Use With Natural Gas
(G20) Only At 20mbar
For Use in GB & IE
Supplied By www.heating spares.co Tel. 0161 620 6677
Installation & Service Instructions
Envoy System
Wall Mounted, Fan Powered, Balanced Flue,
Gas Condensing System Boiler
MUST BE DISPOSED OF IMMEDIATELY.
Envoy System 30, 40, 50, 60 & 80
IMPORTANT
PLEASE READ THIS BOOK
BEFORE INSTALLING,
OPERATING OR SERVICING
THIS BOILER.
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Table of Contents
Related Manuals for Potterton Envoy System 30
Summary of Contents for Potterton Envoy System 30
- Page 1 Envoy System 30, 40, 50, 60 & 80 Installation & Service Instructions Envoy System Wall Mounted, Fan Powered, Balanced Flue, Gas Condensing System Boiler THE GAS SAFETY (INSTALLATION AND USE) REGULATIONS 1994 (as amended). ‘‘ 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.
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Page 2: Table Of Contents
Insulation..............20 Short List of Spares..........30 Burner ................. 21 Introduction - Page 2 The Potterton Envoy System is a high efficiency lightweight, Electronic Programmer EP2002, EP3002 or EP6002 automatically controlled wall hung gas fired condensing Cylinder Thermostat PTT2 or PTT100 boiler. -
Page 3: Technical Data
Technical Data - Page 3 Boiler Details Heat Input 10.1 13.43 16.87 20.2 26.86 Btu/hr 34,500 45,800 57,600 68,900 91,600 Heat Output, NON-CONDENSING 8.79 11.72 14.65 17.58 23.45 Btu/hr 30,000 40,000 50,000 60,000 80,000 Heat Output, CONDENSING 12.8 16.1 19.0 25.0 Btu/hr 33,100... - Page 4 Technical Data - Page 4 Fig.2 4 Technical Data Publication No. 559787 Supplied By www.heating spares.co Tel. 0161 620 6677...
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Page 5: Installation Requirements
IEE Wiring Regulations and any other local Service Instructions or otherwise recommended by regulations that apply. The current rating of the wiring to Potterton Myson Ltd. in writing. If in doubt please the boiler must exceed 3 A and have a cross sectional enquire. -
Page 6: Location Of Boiler
The siting of the flue terminal through a roof is shown in Fig. 3. Part 19 - Building and Kitchen Work. If in doubt advice must be sought from the local region of British Gas or from Potterton Only the flue systems shown here can be fitted to the Envoy Myson. - Page 7 Installation Requirements - Page 7 It is absolutely ESSENTIAL to ensure that products of combustion discharging from the terminal cannot re-enter the building, or any other adjacent building, through ventilators, windows, doors, natural air infiltration, or forced ventilation/air conditioning. If products of combustion are found to be re-entering any building, the appliance MUST be turned OFF IMMEDIATELY.
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Page 8: The System
The only system additives recommended by Potterton Myson Ltd. are FERNOX-COPAL or GRACE Installation DEARBORN - SENTINEL X 100 and should be used in accordance with the manufacturers instructions. - Page 9 Installation Requirements - Page 9 lift pressure of 3 bar (45 psi). necessary, an automatic pressure-reducing valve or flow d) Pressure gauge covering the range 0-4 bar (0-60 restrictor. psi). e) 13.5 litre expansion vessel with initial charge The pressure booster pump must be capable of pressure of 1.0 bar (14 psi).
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Page 10: Installation
Installation Requirements - Page 10 CP63 CP53 To ensure sufficient pump head is available on 80 model to overcome system resistance, a system differential of 14° should be allowed for. Litres / Sec EN0042A Boiler Size Water Flow Rate System Litres/sec gal. - Page 11 Installation - Page 11 Installation Taking due account of the terminal position and making 177mm allowance for all horizontal flues to rise at an angle of 3° (52mm per metre) from the boiler, place the template in proposed boiler position. Ensure the template is level and mark the ten fixing hole positions.
- Page 12 Installation - Page 12 Remove functional case door by undoing the two lower securing screws and lift door off the two upper hinge brackets. From the accessory pack, connect the fittings to the base of the mounting frames as shown - see Fig. 2 for guidance. Slide the nuts and olives from the fittings onto the boiler pipes and temporarily tape them clear of the pipe ends.
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Page 13: Flue System
Installation - Page 13 Flue System Assemble and attach the flue system to the boiler by following the instructions supplied with the flue kit. Fig.11 Electrical Connections The boiler and all external control circuit wiring must be supplied from the same isolating switch or plug and socket. The boiler terminal block which is situated in the control box is not designed to accept wiring from all the on-site controls therefore the installer will need to incorporate an external... -
Page 14: Commissioning
3. Commissioning - Page 14 Protection device, therefore if the water temperature All Systems within the boiler is below 5°C the character will be Note: The system can be filled using a sealed system displayed and the boiler will fire until a return filler pump with a break tank or by any other method temperature of 10°C is reached. - Page 15 Heat demand, boiler operating at lower flow gas rate or the burner pressure falls outside the tolerance temperature. specified, Potterton Myson Service Department should be Boiler operating but up to temperature. called as specialist equipment is required to enable adjustment to be made.
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Page 16: Final Assembly
Commissioning - Page 16 Final Assembly the system and of the need to maintain the correct concentration levels as recommended by the manufacturer. Attach casing side panels onto the boiler as illustrated (Fig. 14) ensuring that the three lugs on each panel are correctly located. -
Page 17: Servicing & Replacement Of Parts
4. Servicing & Replacement of Parts - Page 17 It is the law that all gas appliances are installed and serviced a) Set boiler control switch to the mid i.e. “ ” and the by a competent person as stated in Gas Safety (Installation display should read “... -
Page 18: Removing Fan
Servicing & Replacement of Parts - Page 18 Removing Fan Disconnect electrical connection from fan motor. Fig. 16. Disconnect flexible sensing tube from the fan inlet housing. Remove fan by slackening two wing screws on left hand side and removing the M5 wing screw on the right hand side of the fan. -
Page 19: Examination Of Flueways & Cleaning
The insulation in the combustion chamber. Note if there 2) Cleaning of the heat exchanger must be carried out is any visible deterioration of this material it MUST be using a Potterton scraper Part No. 907736. replaced Damage to the hot surface igniter... -
Page 20: Replacement Of Parts
Servicing & Replacement of Parts - Page 20 7) Replacement of components is the reverse of removal. tightened and that the clamps fix the combustion chamber and flue hood securely. Note: great care should be taken not to damage the flue hood and combustion chamber seals during 10) Ensure connection from sump to syphon is made replacement of these assemblies. -
Page 21: Burner
Servicing & Replacement of Parts - Page 21 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 and flame sensor. WARNING This component is fragile and requires b) Remove old seal. -
Page 22: Sight Glass
Servicing & Replacement of Parts - Page 22 Fig.21 10) Sight Glass (combustion chamber or case 12) Dry Fire Temperature Sensor. door). a) Remove decorative and functional doors as described in 'Servicing Boiler'. Note: Care should be taken when handling and disposing of broken glass. -
Page 23: Diverter Valve Head
Gently pull front panel forward removing connectors from the control as they become accessible. Fig. 23. e) Remove old fuse and replace with the correct Potterton component T - 3.15A (Part No. 933005). Replacement is the reverse of removal. -
Page 24: Water Components
Servicing & Replacement of Parts - Page 24 17) Water Components. Error! Not a valid embedded object. Fig.24 Replacement of Pump, Diverter Valve (If Fitted) and Water Pressure Gauge. a) Remove decorative & functional doors as described in 'Servicing Boiler'. b) Remove blanking screw and attach a hose to the drain valve on the return pipe isolating valve. -
Page 25: Fault Finding
5. Fault Finding - Page 25 Digital Display Boiler operating, low flow temperature selected. This boiler is fitted with a single digit display which is located Boiler operating but up to temperature. in the front control box behind the hinged door. The display on which up to 30 different characters can be Boiler re-start delayed to prevent rapid cycling (Max. - Page 26 Fault Finding Chart - Page 26 26 Fault Finding Chart Publication No. 559787 Supplied By www.heating spares.co Tel. 0161 620 6677...
- Page 27 Fault Finding Chart - Page 27 Publication No. 559787 Fault Finding Chart 27 Supplied By www.heating spares.co Tel. 0161 620 6677...
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Page 28: Boiler Internal Wiring
6. Boiler Internal Wiring - Page 28 In - Line Connector Pump Dr y Fire Sensor Gn/ Yl Gn/ Yl Return Temp. Sensor Gas Valve Assembly Flow Temp. Sensor In - Line Connector Gn/ Yl Case Temp. Sensor Gas Valve Earth Hot Surface Ignitor Flame Electrode Gn/ Yl... -
Page 29: Boiler Wiring Layout
7. Boiler Wiring Layout - Page 29 Fig.26 Publication No. 559787 Boiler Wiring Layout 29 Supplied By www.heating spares.co Tel. 0161 620 6677... -
Page 30: Short List Of Spares
8. Short List Of Spare Parts - Page 30 Fig.27 30 Short List of Spares Publication No. 559787 Supplied By www.heating spares.co Tel. 0161 620 6677... - Page 31 Short List of Spares - Page 31 Drg. Description Potterton G.C. Ref. Part No. Gas Valve Assembly 30 Boiler 930103 114 621 40 Boiler 930104 114 622 50 Boiler 930105 114 623 60 Boiler 930106 114 624 80 Boiler 930107...
- Page 32 Note: If the gas valve signal is outside the specified A burner pressure reading outside the specified range does range contact Potterton Myson Service Department. not necessarily indicate a wrongly adjusted gas valve. Other factors i.e. insufficient air flow will cause the gas valve to automatically adjust the burner pressure to maintain safe combustion.
- Page 33 Appendix A - Page 33 Fig.28 Fig.29 Publication No. 559787 Appendix A 33 Supplied By www.heating spares.co Tel. 0161 620 6677...
- Page 34 Back Page 34 Appendix A Publication No. 559787 Supplied By www.heating spares.co Tel. 0161 620 6677...