Table of Contents
Advertisement
Quick Links
Installation and Service Instructions
Logano G234X
Gas central heating boilers
Read carefully before carrying out installation and maintenance.
CAUTION!
Before commissioning the boiler, heed the safety
instructions for installation and maintenance.
DANGER!
If installation, adjustment, modification,
operation or maintenance of the heating system is carried
out by an unqualified person, this may result in
a fatal injury or property damage.
Follow the instructions in this installation and maintenance
manual exactly.
If you require assistance or further information, contact
a qualified contractor, an suitable service provider or
the gas supply company.
DANGER!
These instructions are part of the technical documents that
must be handed over to the owner/operator of the heating
system. Discuss the content of this manual with the owner/
operator of the heating system to ensure that they are
familiar with all information required for operation of the
heating system.
Gas central heating boilers
Advertisement
Table of Contents
Related Manuals for Buderus Logano G234X-64
Summary of Contents for Buderus Logano G234X-64
- Page 1 Gas central heating boilers CAUTION! Before commissioning the boiler, heed the safety instructions for installation and maintenance. DANGER! If installation, adjustment, modification, operation or maintenance of the heating system is carried out by an unqualified person, this may result in a fatal injury or property damage.
-
Page 2: Table Of Contents
Content Content Safety instructions ........3 Placing the heating system in operation . -
Page 3: Safety Instructions
Safety instructions Safety instructions Key to symbols If you smell gas ▶ Close the gas shutoff valve. Warnings ▶ Open windows and doors ▶ Do not operate any electrical switches or telephones. Warnings in this document are identified by a warning triangle printed against a grey background. -
Page 4: Product Description
▶ Only genuine Buderus wiring replacement parts. ▶ Other combinations, other accessories and spare parts must only be ▶ Do not attempt to operate an appliance if any part of it has been used if they are specifically designed for the intended application and under water. -
Page 5: Notes On Installation And Operation
Foil package burner. Table 2 Scope of delivery The boiler is fully functional with the factory-installed The following accessories are optionally available from Buderus: AquaSmart • CH Pump • Cleaning brush The boiler consists of the following main components ( Fig. 1): •... -
Page 6: Dimensions And Specifications
Product Description Dimensions and Specifications 2.8.1 Logano G234X dimensions 1 ½ʺ ⁄ ⁄ ⁄ ⁄ ¾ʺ ¾ʺ 1 ½ʺ ⁄ ⁄ 6 720 806 028-02.1T Fig. 2 Connections and dimensions for Logano G234X, dimensions in inches (dimensions in mm) VK/VS Boiler supply/Storage tank supply Gas connection + main shutoff valve Boiler return... -
Page 7: Technical Data
Product Description 2.8.2 Technical Data Fig. 3 Pressure drops (1 psi = 69 mbar, 1 GPM = 0.23 m³/h) Flow rate in GPM ( m³/h) Pressure drops in psi 160 500/187 700 BTU/hr (boiler rating 38/45) 228 400 BTU/hr (boiler rating 64) 266 400 BTU/hr (boiler rating 55) 2.8.3 Main gas orifice identification and rated orifice pressure... -
Page 8: Moving The Tank
Moving the tank Transporting the boiler on pipes Moving the tank ▶ Place a pipe under the boiler and roll it on additional pipes to the installation location ( Fig. 5). This section details how to move the boiler safely. ▶... -
Page 9: Placing The Boiler
Placing the boiler A space of at least 33 inches (840 mm) is required in front of the boiler Placing the boiler with the door open to allow sufficient accessibility for operation and maintenance. When the door is closed, a minimum clearance of 2 inches This section explains how to set up and position the boiler correctly at (50 mm) is required at the front and sides, a wall clearance of 6 inches the installation location. -
Page 10: Boiler Installation
Boiler installation Boiler installation This section details how to install your boiler correctly. This involves the following steps: • Vent connection • Heating circuit connection • Electrical connections • Connecting the fuel supply Preparing for installation ▶ Unpack all cartons and boxes. ▶... -
Page 11: Connect The Central Heating Supply And Return
Boiler installation 5.2.2 Connect the central heating supply and return Electrical connections DANGER: Risk of fire from flammable materials! DANGER: Danger to life from electric shock! ▶ Maintain a clearance of 2 inches (51 mm) from pipes ▶ Carry out electrical work on the heating system only carrying hot water and flammable walls at the if you are properly qualified for the work in question. -
Page 12: Fuel Gas Supply Connection
Boiler installation Fuel gas supply connection Heed the following points for connecting the fuel supply: ▶ Work on gas components may be carried out only by qualified and authorized personnel. ▶ Observe the local regulations or else the requirements the National Fuel Gas Code, ANSI Z 223.1 when connecting the gas supply. -
Page 13: Converting Boiler To Propane
Do not attempt to convert the appliance without the water. approved Buderus parts and the relevant technical ▶ Please consult the local water supply company if documentation. The technical documentation is there are major differences, such as extremely hard included with the conversion parts. -
Page 14: Installing The Front Wall Of The Boiler
Boiler installation ▶ Slowly fill the boiler with tap water from the on-site fill valve. Installing the front wall of the boiler ▶ Open the cap of the automatic air vent by one full turn. This allows air ▶ Insert front wall of boiler [1] at top, fold down to vertical position and to escape. -
Page 15: Requirements For Connection To Chimneys Or Flue Gas Systems
Boiler installation 5.7.2 Requirements for connection to chimneys or flue gas If impurities in the combustion air are possible (e. g. systems installation near swimming pools, dry cleaners or The flue connection must comply with the regulations of the National hairdressing salons), sealed combustion is Fuel Gas Code NFPA 54, Part 7, Venting of Equipment, and the local recommended. -
Page 16: Installing The Flue Pipe
Boiler installation Procedure for checking the flue gas system: 5.7.3 Installing the flue pipe Carry out these steps with every heating system that remains connected DANGER: Risk of fatal injury from escaping flue gases! to the flue gas system when the boiler is disconnected from a flue A flue gas collector that does not work properly can allow header. -
Page 17: Electrically Connecting The Vent Damper
Boiler installation 6 720 806 028-10.1T Fig. 16 Electrically connecting the vent damper AquaSmart Fig. 15 Installing a vent damper Vent damper Motor Adapter for the flue outlet Draft hood 5.7.6 Electrically connecting the vent damper DANGER: Danger to life from electric shock! ▶... -
Page 18: Placing The Heating System In Operation
Placing the heating system in operation Carrying out leak test Placing the heating system in operation 5. Open the gas shutoff valve. ▶ Complete the commissioning report during the commissioning NOTICE: Risk of system damage due to short-circuits! procedure ( page 23). ▶... -
Page 19: Start Up Instructions
Placing the heating system in operation Start up instructions Preparing to commission the boiler STOP! Before commissioning: For your own safety, read the following information carefully before ▶ Carefully read the safety instructions in Section 6.3, page 19. commissioning: 1. If the boiler is not commissioned directly after the installation: DANGER: Risk of fatal injury from failure to observe the Carry out another leak test (... - Page 20 Placing the heating system in operation 7. The burner control unit must generate ignition sparks towards the 11. Check nozzle pressure. Set the orifice pressure according to pilot burner. The ignition flame must appear and then ignite the main Table 11 while the boiler is operating. To do so, remove the safety burner.
- Page 21 Placing the heating system in operation 16. Remove the safety screw for the pilot orifice pressure setting ( Fig. 23, [5]). Turn the inner adjustment screw clockwise to reduce the size of the ignition flame. Turn the inner adjustment screw counterclockwise to increase the size of the ignition flame.
-
Page 22: Shutting Off Gas Supply To Boiler
Placing the heating system in operation Checking the AquaSmart 30. Check operation of the maximum AquaSmart setting to make sure that it switches the boiler off as soon as the boiler temperature set on the AquaSmart is reached. Record the result in the commissioning report (... -
Page 23: Commissioning Report
Placing the heating system in operation Commissioning report ▶ Check off preventive maintenance performed. ▶ Record measured values. Commissioning steps Page Comments or measured value Type of gas Natural Gas Propane Gas Check combustion air supply, air inlet and ventilation openings and flue gas Page 14 connection Check main gas orifice identification (... -
Page 24: Shutting Down The Heating System
Shutting down the heating system Shutting down the heating system Environmental Protection / Disposal Environmental protection is one of the fundamental company policies of NOTICE: Risk of system damage due to freezing! the Bosch Group. The heating system can freeze up in cold weather if it is Quality of products, efficiency and environmental protection are equally shut down for a longer period. -
Page 25: Boiler Inspection And Maintenance
If parts are replaced, Bosch approved flammable gases! Buderus components may be used. A service must be carried out once a ▶ Operations on the gas lines may be carried out only year. The results of the inspection must be recorded in the maintenance by properly licensed gas contractors. -
Page 26: Cleaning The Boiler
Boiler inspection and maintenance Cleaning the boiler ▶ Loosen retaining nuts ( Fig. 32 [1]) on the burner shield. ▶ Pull the burner out straight. The boiler can be cleaned with brushes and/or by wet cleaning. Cleaning equipment is available as an accessory by special order. ▶... -
Page 27: Wet Cleaning The Boiler (Chemical Cleaning)
Boiler inspection and maintenance 9.5.3 Wet cleaning the boiler (chemical cleaning) Cleaning the burner ▶ For wet cleaning, use a cleaning agent appropriate for the degree of ▶ Remove burner ( Section 9.5.1). soiling (e. g. soot or scale). ▶ Check burner rods for dirt. If necessary, clean burner as described below: In some circumstances, you may need to proceed ▶... - Page 28 Boiler inspection and maintenance ▶ If installed: Check low water indicator. ▶ Check area around the boiler for potential hazards: The area around the boiler must be free from flammable substances, gasoline or any other flammable or corrosive vapors and liquids. DANGER: Risk of fatal injury from explosion of flammable gases! Gas lines and their fittings may leak after maintenance...
-
Page 29: Troubleshooting The G234X
Boiler inspection and maintenance Troubleshooting the G234X Required material: • Circuit diagrams ( page 32) • Voltmeter 120 VAC and 24 VAC Start Close gas valve. Set thermostat • Check electrical power source, low-voltage transformer, thermostat (con- (control) to require heat (vent trol) and wiring. - Page 30 Boiler inspection and maintenance Room thermostat (control) signals heat requirement START Vent damper (if installed) opens. PHASE 1 Ignition spark generator operates • ignition gas valve opens. Ignition attempt Ignition burner operation Ignition flame burns, automatic ignition flame does not burn, ignition signals steady ignition pilot assembly starts ignition at- flame.
-
Page 31: Maintenance Log
Boiler inspection and maintenance Maintenance log ▶ Check off preventive maintenance performed. ▶ Record measured values. ▶ Heed the information on the indicated pages Maintenance work Page Date Date Check the flue system, including combustion air supply, air inlet and ventilation Page 14 openings Gas manifold pressure... -
Page 32: Electrical Circuit Diagrams
Electrical circuit diagrams Electrical circuit diagrams 6 720 804 886-06.2T Fig. 39 Wiring diagram - G234X Logano G234X – 6 720 811 233 (2017/02) - Page 33 Electrical circuit diagrams 6 720 804 886-07.2T Fig. 40 Wiring diagram - G234X Logano G234X – 6 720 811 233 (2017/02)
- Page 34 Notes Logano G234X – 6 720 811 233 (2017/02)
- Page 35 Notes Logano G234X – 6 720 811 233 (2017/02)