Table of Contents
Advertisement
Advertisement
Table of Contents
Related Manuals for Glow-worm icon 23t
Summary of Contents for Glow-worm icon 23t
-
Page 2: Table Of Contents
Index Introduction .......... 3 Gas connection ........14 Boiler installation ........ 15 User Horizontal flue installation ....16 Vertical flue installation ....... 17 instructions ........3 Flue configuration ....... 18 Introduction .......... 4 Electrical connection ......19 Controls and lighting ......4 Commissioning ........ -
Page 3: Introduction
Introduction icon 23 t icon 28 t boilers are wall mounted combination boilers providing central heating and instantaneous domestic hot water. The boilers are of the II2H3+ category for use with Natural gas (G20) as distributed in the United Kingdom. These instructions should be carefully followed for the safe and economical use of your boiler. -
Page 4: Introduction
Introduction icon 23 t icon 28 t boilers are wall mounted combination boilers providing central heating and instantaneous domestic hot water. These instructions should be carefully followed for the safe and economical use of your boiler. GAS LEAK OR FAULT If a gas leak or fault exists or is suspected, turn the boiler off and consult the local gas company or your Installer/Service provider. - Page 5 Controls Safety lockout light Summer/Winter switch Heating temperature control Hot water temperature control Pressure gauge Timeclock Plastic toggles TO START THE BOILER Turn selector (2) to the desired Summer or Winter position. The green lamp will light. TO STOP THE BOILER Turn selector (2) to the OFF position (0).
- Page 6 SAFETY LOCKOUT If, for any reason, the boiler does not operate, check if lockout lamp (1) is lit. If so, turn selector (2) to the reset position . The selector is spring loaded and automatically returns to its’ previous position when released. Note: This lamp will only light if the boiler has locked out and there is a hot water or central heating demand at that particular time.
-
Page 7: Technical Data
Technical data Technical data... - Page 8 i t r c i f ° n c i f c i f ° ° ° 5 ° i l ( ) t f c i t l t u l n i Ø c i t Ø Technical data...
- Page 9 DIMENSIONS CONNECTIONS FOR FLUE < Technical data...
- Page 10 BOILER SCHEMATIC By-pass Pump Drain valve Expansion vessel Gas valve Burner Primary heat exchanger Flue hood Air pressure switch 10 Automatic air vent 11 Fan 12 Loss of water switch 13 Heating system safety valve 3 bar 14 Hydraulic 3-way valve 15 Domestic heat exchanger 16 Water valve AVAILABLE PUMP CAPACITY...
-
Page 11: Installation Instructions
Installation instructions Clearances The boiler can be installed with the following clearances: 5 mm either side if the boiler 600 mm to the front of the boiler 150 mm below the boiler 200 mm above the boiler The above clearances are minimum clearances, consideration must be given to allow adequate space for servicing. -
Page 12: Terminal Position
Terminal position The minimum acceptable spacings from the terminal to obstructions and ventilation openings are shown in the diagram below: MINIMUM DIMENSIONS (in mm) FOR THE POSITIONING OF FLUE TERMINALS A Under a window B Under an air vent C Under a gutter D Under a balcony E From an adjacent window From an adjacent air vent... -
Page 13: Heating System Design
Heating system design icon 23 t icon 28 t are compatible with any type of installation. The heating surfaces may consist of radiators, convectors or fan assisted convectors. Pipe sectional areas shall be determined in accordance with normal practices, using the pump curve, refer to ‘Technical Data’. -
Page 14: Boiler Connections
Boiler connections Heating system connections Pipe diameter 22 mm. Hot water system connections Pipe diameter 15 mm. Gas connection Pipe diameter 15 mm. A Heating return B Heating flow C Hot water outlet D Cold water mains inlet & E Safety valve discharge connection Gas connection SAFETY VALVE DISCHARGE WARNING: It must not discharge above an... -
Page 15: Boiler Installation
STATUTORY REQUIREMENTS The installation of this boiler must be carried out by a competent person in accordance with the relevant requirements of the current issue of: — The Gas Safety (Installation and Use) Regulations — The Building Regulations — The local water company Bylaws —... -
Page 16: Horizontal Flue Installation
Horizontal flue installation A Gasket ° B 90 bend D ‘O’ ring E Collar Clamp H Screws Air inlet pipe M External sealing collar N Terminal O Screws P Inner elbow Q Inner pipe R Clip — Fit gasket (A) onto underside of flue elbow (B). —... -
Page 17: Vertical Flue Installation
Vertical flue installation A Gasket B Vertical adaptor D ‘O’ ring E Collar Terminal M Screws — Fit gasket (A) onto underside of vertical adaptor (B). — Fit vertical adaptor onto top of boiler ensuring it locates correctly onto fan outlet. -
Page 18: Flue Configuration
Flue configuration ATTENTION If coaxial system would have a total length lower than 2 lin- 'LDSKUDJP ear meters (n°1 additional bend = 0.5 linear meters), it will be necessary to install the diaphragm supplied with the gas boiler, as indicated in the figure besides Installation instructions... -
Page 19: Electrical Connection
Electrical connection It is important that the mains supply is wired with correct polarity: brown to LIVE, blue to NEUTRAL. Warning: This boiler must be earthed. All system components must be of an approved type. Connection of the whole electrical system and any heating system controls to the electrical supply must be through a common isolator. -
Page 20: Commissioning
Commissioning The commissioning and first firing of the boiler must only be carried out by a competent person. ACCESS FOR ADJUSTMENT 1. Remove the lower grille, remove two screws securing outer casing. Re- move casing by lifting up and forwards. 2. - Page 21 FIRST STARTING UP — Set boiler to run in central heating as described in ‘Users Instructions’. — Set heating temperature control to maximum temperature and check that any external con- trols, if fitted, are calling for heat. — Allow the temperature to rise to the maximum value, with all radiator valves open. The tem- perature rise will cause release of the gases contained in the water of central heating system.
-
Page 22: Safety Devices
CONTROLS HOUSING SETTING THE CENTRAL HEATING OUTPUT The central heating output must be set in accordance with the system requirements. To adjust the burner pressure, proceed as follows, referring to the tables listed in ‘Technical Data’: — Gain access to the PCB, see diagram above. —... -
Page 23: Gas Valve Setting
Gas valve setting All boilers are tested and factory set during manufacture. Should it be necessary to reset a gas valve, for example after replacement, proceed as follows: MAX/MIN. DOMESTIC HOT WATER OUTPUT ADJUSTMENT Check that the Inlet pressure is correct for the type of gas being used. —... - Page 24 Installation instructions...
-
Page 25: Boiler Schematic
Boiler schematic Air pressure switch 11 N/A Overheat thermostat 12 Thermistor Expansion vessel 13 Burner Ignition and flame sense electrodes 14 Primary heat exchanger Domestic heat exchanger 15 Automatic air vent Gas valve 16 Fan Water valve 17 Sealed chamber Hydraulic 3-way valve 18 Pump 19 Loss of water pressure switch... -
Page 26: Servicing Instructions
Servicing instructions Servicing instructions... -
Page 27: Routine Cleaning And Inspection
To ensure the continued efficient and safe operation of the boiler, it is recommended that it is checked and serviced at regular intervals. The frequency of servicing will depend upon the instal- lation conditions and usage but, in general, once a year should be enough. It is the law that any servicing is carried out by a competent person. -
Page 28: Replacement Of Parts
FLUE SYSTEM — Check externally to make sure that flue is not blocked — Inspect flue system to make sure that all fittings are secure. OPERATION OF FAN — Switch on electrical supply and turn on gas. — Set selector switch to “Winter” position. - Page 29 TO REPLACE PUMP — Drain down heating circuit only of boiler as follows: — From below boiler, close isolating valves on flow and return connections to boiler. — Open boiler drain valve to right of pump. Note: It is not necessary to drain down entire heating circuit to carry out this work.
- Page 30 TO REPLACE DOMESTIC HEAT EXCHANGER — Drain down heating circuit of boiler as described previously. — Drain down hot water circuit of boiler as follows: — From below boiler, close cold water inlet isolating valve. — Open a hot tap to drain hot water circuit. —...
-
Page 31: Schematic Wiring Diagram
Schematic wiring diagram Colours abbreviations: Mains switch Flame sense electrode Black Pump Mains lamp Brown Summer/winter selector Overheat thermostat Blue PSA Loss of water pressure switch Lockout reset switch Green GNYE Green-Yellow MOD Modulating coil Lockout warning light Grey Thermistor Orange Water valve microswitch MPV Air pressure switch... - Page 32 02/2000 COD. 982160005 / REV. 06...
Need help?
Do you have a question about the icon 23t and is the answer not in the manual?
Questions and answers