Do you have a question about the Potterton Sirius two WH 90 and is the answer not in the manual?
Explains the meaning of various warning symbols used throughout the manual for safe operation.
Critical safety instructions concerning gas leaks, combustion fumes, and electrical hazards.
Essential precautions for boiler installation, system checks, water quality, and initial startup.
Advice on optimizing heating and domestic hot water settings to reduce energy consumption.
Step-by-step guide for initial boiler startup, including gas supply and ignition procedures.
Instructions for setting heating/DHW temperatures and selecting different operational modes.
Procedures for extended boiler shutdown and the activation of the frost protection function.
Guidance on gas conversion and identifying/resetting boiler faults using error codes.
Instructions for filling the heating system and the schedule for routine maintenance checks.
Proper procedure for switching off the boiler while ensuring frost protection remains active.
Essential checks and requirements before installing the boiler, including standards compliance.
Guidance on physically mounting the boiler and installing the essential circulation pump.
Details on installing different flue types, including concentric and cascade configurations.
Explains the purpose and connections for terminal blocks M1, M2, and M3 for various components.
Guidance on connecting the main power supply and other accessories to the boiler.
Instructions for connecting a room thermostat and installing the remote control unit.
How to use the remote control interface to set operational parameters and timers.
Instructions for installing an outdoor sensor and configuring the climate curve for weather compensation.
Details on setting up zone heating systems and modulating the flow temperature.
Information on using external modules for system management, mixed zones, and cascade boiler setups.
Explanation of functions like system air extraction, commissioning, and chimney sweep modes.
Handling unresettable faults and navigating the parameter settings menu.
Comprehensive tables for configuring parameters related to heating, DHW, and solar integration.
Parameters for system configuration, sensor types, and accessory settings.
Procedures for commissioning the gas valve and converting between natural gas and LPG.
Explains the operation of limit thermostats, NTC sensors, flame detection, and hydraulic safety devices.
Details on pump post-circulation, antifreeze function, and pump capacity/head.
Comprehensive list of checks for annual boiler servicing to ensure efficiency and safety.
Procedures for cleaning the heat exchanger and checking the burner for optimal performance.
Step-by-step guide to cleaning the condensate trap to prevent operational issues.
How to measure combustion efficiency parameters like O2, CO2, and CO concentration.
Detailed specifications including heat input/output, net rated efficiency, and NOx class.
Covers flue types, pressures, power supply, dimensions, noise level, and gas consumption.