Related Manuals for Rotex GW-30 H18/RHOBG18AAV1
Summarization of Contents
Unit description
General
Describes the boiler as a closed unit for heating installation water and domestic hot water.
Functioning
Explains the modulating high-efficiency operation and heat exchanger integration.
Operating modes
Details the different operating states like 'Off' and 'Standby' indicated on the service display.
Main components
Accessories
Lists and describes optional accessories available for the boiler unit.
Installation
Installation measurements
Provides detailed dimensional drawings and required clearances for boiler installation.
Installation space
Specifies requirements for the installation location, including ventilation and clearance.
Removing cover plate and front panel
Step-by-step instructions for safely removing the boiler's front panels.
Assembly
Details on how to hang and assemble the boiler unit and its accessories.
Connecting
Connecting CH installation
Details on how to connect the central heating system to the boiler.
Connecting electronically
Information on electrical connections and wiring to the boiler controller.
Connect room thermostat
Guidance on connecting on/off and modulating room thermostats for temperature control.
Connecting gas
Procedures for connecting the gas supply to the boiler, including safety checks.
Flue gas output and air input
Instructions for installing flue gas extraction and air intake systems.
Outlet systems
Information on permitted pipe lengths and assembly for various flue gas outlet configurations.
Commissioning the unit and the Installation
Filling and air purge of unit and installation
Procedures for filling the CH system and purging air.
Commissioning the unit
Final steps for commissioning the boiler after installation and filling.
Switching off the unit
Instructions on how to properly switch off the boiler unit.
Setting and adjustment
Direct via operating panel
Describes direct operation of functions like unit on/off and DHW tank control.
Parameter settings via the service code
Guide to changing factory parameters using the installer service code.
Setting maximum CH power
How to adjust the maximum central heating power output.
Setting pump setting
Instructions for setting the modulating pump speed based on heating load.
Weather dependent regulation
How to set up and use weather-dependent temperature regulation.
Conversion to different type of gas
Steps for converting the boiler to a different type of gas, including replacing parts.
Gas/air regulation
Procedures for checking and setting the gas/air ratio for optimal combustion.
Setting gas/air regulation
Detailed steps for checking and adjusting the CO2 percentage for gas/air regulation.
Adjusting the carbon dioxide setting
How to adjust the CO2 setting using the adjuster screw for optimal combustion.
MALFUNCTIONS
Show last malfunction
How to view the last detected malfunction code on the display.
Malfunction codes
A table listing various malfunction codes, their descriptions, and possible solutions.
Other faults
Troubleshooting guide for common issues like noisy operation, resonance, and no heating.
The power is reduced
Diagnosing and resolving issues where the boiler's power output is reduced.
CH is not reaching correct temperature
Troubleshooting steps for when the central heating system is not reaching the desired temperature.
No hot water (only applicable in indirectly fired tank)
Fault finding for domestic hot water supply issues.
DHW does not reach desired temperature (only applicable for indirectly fired tank)
Diagnosing why the domestic hot water is not reaching the set temperature.
CH installation stays warm unwanted
Troubleshooting when the heating system remains on unintentionally.
A-label pump LED flashes intermittently red/green
Troubleshooting for intermittent red/green LED on the A-label pump.
A-label pump LED flashes red
Troubleshooting for a red flashing LED on the A-label pump, indicating the pump has stopped.
MAINTENANCE
Disassembly
Step-by-step guide for safely disassembling the boiler for maintenance.
Cleaning
Instructions for cleaning various components of the boiler.
Fitting
Detailed instructions for reassembling the boiler after maintenance, including seal checks.
TECHNICAL SPECIFICATIONS
NTC resistances
Table of NTC thermistor resistances at different temperatures.
Electrical diagram
Detailed electrical schematic and wiring diagrams for the boiler.
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