To Next PageTo Next Page
Need help?Do you have a question about the DORCHESTER DR-LA 45 and is the answer not in the manual?
Provides general information about the Dorchester DR-LA water heater model.
Outlines immediate actions to take if a gas smell is detected.
Details relevant regulations and documents for installation and use.
Identifies the intended users of the manual, such as engineers and end-users.
Explains maintenance needs and defines symbols used in the manual.
Summarizes the structure and content of the entire manual.
Details operational components, flow, and the heating process sequence.
Describes safety features like temperature protection and gas safety devices.
Covers safety aspects related to the installation environment and components.
Explains indicators, alarms, and optional features available for the heater.
Covers site requirements, packaging, humidity, temperature, and clearances.
Provides dimensions, technical data, and visual installation guides.
Details plumbing connections for unvented/vented systems and gas hookup.
Guides on flue gas discharge and electrical wiring procedures.
Explains pressure verification and adapting the unit for different gas types.
Step-by-step instructions for filling the water heater correctly.
Procedures for safely draining the water heater for servicing.
Describes the control panel layout, buttons, LEDs, and their meanings.
Guides on adjusting the water temperature using the control thermostat.
Details how to reset burner control and flue gas thermostat errors.
Outlines the different operational states of the water heater.
Describes common error conditions and initial troubleshooting steps.
Step-by-step guide for safely starting the water heater.
Instructions for shutting down the heater for short or long periods.
Explains the internal process the heater follows during operation.
Addresses common problems like gas smell and water leakage.
Helps diagnose and resolve issues where no hot water is supplied.
Provides steps to fix problems with low hot water supply.
Steps to ensure the heater is ready for service and check its working condition.
Details on checking anodes and descaling the heater's internal components.
Instructions for cleaning burners, orifices, and checking flue baffles.
Steps to complete after maintenance and restart the water heater.
Provides detailed electrical schematics for unit configuration and troubleshooting.
General| Brand | DORCHESTER |
|---|---|
| Model | DR-LA 45 |
| Category | Water Heater |
| Language | English |
