1. Introduction
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your Buderus Logamax Plus GB162-100 High Efficiency Gas Fired Hot Water Boiler. Please read this manual thoroughly before attempting any installation, operation, or maintenance procedures. Retain this manual for future reference.
2. Safety Information
WARNING: Improper installation, adjustment, alteration, service, or maintenance can cause property damage, injury, or death. Refer to this manual. For assistance or additional information, consult a qualified installer, service agency, or the gas supplier.
- Installation and service must be performed by a qualified installer, service agency, or the gas supplier.
- Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
- If you smell gas:
- Do not try to light any appliance.
- Do not touch any electrical switch; do not use any phone in your building.
- Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions.
- If you cannot reach your gas supplier, call the fire department.
- Ensure adequate ventilation and proper flue gas exhaust.
- Keep the area around the boiler clear of combustible materials.
3. Product Overview
The Buderus Logamax Plus GB162-100 is a high-efficiency, gas-fired hot water boiler designed for hydronic heating systems in residential and smaller commercial applications. It features advanced condensing technology and a robust design for reliable performance.
Key Features:
- Ultra-High Efficiencies: Up to 96% AFUE.
- Innovative ALU-plus Condensing Heat Exchanger: Patented aluminum silicate heat exchanger for long life and easy servicing.
- Modulation Range: Down to 20% of total output for year-round efficiency.
- Compact Dimensions: Space-saving design for wall mounting.
- Cascade Capability: Can be cascaded up to 4 units for a total output of 1,332 MBH.
- Integrated BC10 Boiler Controls: With space for optional RC35 Digital Programmer and extension modules.
- Low Flue Gas Emissions: Environmentally friendly operation.
- Quiet Operation: Designed for whisper-quiet performance.
Product Illustration:
4. Setup and Installation
IMPORTANT: Installation of this boiler must be performed by a qualified and licensed heating professional in accordance with all local and national codes and regulations.
- Location: The boiler is designed for indoor, wall-mounted installation. Ensure the location provides adequate clearance for servicing and proper ventilation.
- Mounting: Securely mount the boiler to a suitable wall structure capable of supporting its weight.
- Ventilation: This is a direct vent boiler. Ensure proper installation of the direct vent system according to manufacturer instructions and local codes.
- Fuel Supply: Connect to a Natural Gas supply. An LPG conversion kit is available if required. Ensure gas pressure and piping are correctly sized.
- Hydronic Connections: The boiler features 2" NPT return and supply connections. Connect to the hydronic heating system, ensuring proper flow and pressure.
- Electrical Connections: Connect the boiler to the appropriate electrical supply as per local codes.
- Condensate Drain: Install a condensate drain system as this is a condensing boiler.
- Cascade Installation: For cascade systems, utilize the unique manifold for easy installation of multiple units.
5. Operating Instructions
The Buderus Logamax Plus GB162-100 boiler is equipped with integrated BC10 boiler controls. For detailed operation, refer to the separate BC10 control manual. An optional RC35 Digital Programmer and extension modules can be integrated for enhanced control.
- Initial Startup: After installation, a qualified technician must perform the initial startup, including purging air from the system and verifying gas pressure and combustion.
- Power On/Off: Use the main power switch on the boiler or external disconnect to turn the unit on or off.
- Temperature Setting: Adjust the desired system temperature using the BC10 controls or the optional RC35 programmer.
- Modulation: The boiler automatically modulates its output from 20% to 100% to match heating demand, optimizing efficiency.
- Error Codes: The BC10 display will show error codes if a fault occurs. Consult the BC10 manual for troubleshooting specific codes.
6. Maintenance
CAUTION: All maintenance procedures, especially those involving internal components, should be performed by a qualified service technician.
- Annual Inspection: It is recommended to have the boiler inspected and serviced annually by a qualified technician. This includes checking the heat exchanger, burner, ignition system, and safety controls.
- Heat Exchanger: The innovative ALU-plus condensing heat exchanger is designed for easy servicing. Regular cleaning ensures optimal efficiency.
- Condensate Drain: Periodically check and clean the condensate drain and trap to prevent blockages.
- System Pressure: Monitor the system pressure gauge regularly. Consult your installer if pressure is consistently too high or too low.
- Clearance: Ensure the area around the boiler remains clear of obstructions and combustible materials.
7. Troubleshooting
This section provides general troubleshooting tips. For specific error codes or complex issues, contact a qualified service technician.
| Problem | Possible Cause | Solution |
|---|---|---|
| Boiler not firing | No power, gas supply off, thermostat setting too low, ignition failure, low water pressure. | Check power supply, ensure gas valve is open, raise thermostat setting, check system pressure. If issues persist, contact service. |
| No heat | Boiler lockout, circulation pump failure, air in system, zone valve issue. | Check boiler display for error codes. Bleed air from radiators. Contact service for pump or zone valve issues. |
| Unusual noises | Air in system, pump cavitation, loose components. | Bleed air from system. If noise persists, contact a qualified technician. |
| Leakage | Loose connections, faulty component, condensate drain blockage. | Immediately shut off water supply and boiler. Contact a qualified technician. |
8. Specifications
| Brand | Buderus |
| Model Number | GB162-100 (Item model number: GB162) |
| Part Number | GB162-100 |
| UPC | 384929223949 |
| Fuel Type | Natural Gas (LPG conversion kit available) |
| Vent Type | Direct Vent |
| System Type | Hydronic (Water) |
| Efficiency (AFUE) | Up to 96% (Rated 90.8%) |
| IBR Net Output Rating | 259,000 BTU |
| BTU Input | 333,000 BTU |
| DOE Rating | 298,000 BTU |
| Return Connection | 2" NPT |
| Supply Connection | 2" NPT |
| Height | 63.78 inches |
| Mounting Type | Wall |
| Color | White |
9. Warranty Information
The Buderus Logamax Plus GB162-100 boiler comes with the following warranty:
- Residential Installations: 5-year parts and labor warranty.
- Heat Exchanger: Limited Lifetime warranty on the heat exchanger.
Please refer to the official Buderus warranty document provided with your product for complete terms, conditions, and limitations. Warranty claims must be processed through a qualified service provider.
10. Support and Contact Information
For technical support, service, or to locate a qualified Buderus service technician, please contact Buderus customer service or visit their official website. Always provide your boiler's model and serial number when seeking support.
Buderus Official Website: www.buderus.com (This is a placeholder link, please refer to your product documentation for the exact support website or contact details.)
