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General| Model | HEAT 55 |
|---|---|
| Category | Boiler |
| Output | 55 kW |
| Fuel Type | Natural Gas |
| Mounting | Wall-mounted |
| Flue Options | Horizontal / Vertical |
Overview of the Keston Heat boiler, its features, and condensate production.
Crucial safety information, legal requirements for installation and maintenance by Gas Safe registered engineers.
Requirements for earthing, voltage, fuse rating, and connection methods for the boiler's power supply.
Key operational precautions, restrictions on use, and safety warnings for users.
Describes the boiler's state when no heating or hot water demand is active.
Configuration for domestic hot water only operation, disabling central heating.
Configuration for both central heating and domestic hot water operation.
Displays status during hot water demand, showing burner status and temperatures.
Displays status during central heating demand, showing burner, temperatures, and outside temp.
Indicates when the boiler is operating to prevent freezing of internal components.
Guide on adjusting the primary thermostat setting using the control knob.
Instructions for switching the boiler's operational mode between Standby, Summer, and Winter.
Procedures for temporarily and long-term shutdown of the boiler.
Instructions for refilling and restarting the boiler after draining.
Information on the boiler's built-in frost protection and limitations.
Explanation of overheat lockouts, causes, and reset procedures.
Guidance on identifying and defrosting frozen condensate pipes.
Steps to take if a gas leak is suspected, emphasizing safety.
How to clean the boiler casing using appropriate materials.
