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General| Category | Water Heater |
|---|---|
| Brand | Rinnai |
| Model | REU-KM3237FFUDHD-E |
| Type | Tankless |
| Gas Type | Natural Gas |
| Weight | 19 kg |
| Flow Rate | 26 L/min |
| Temperature Range | 50°C to 60°C |
User must follow all warnings, have unit checked annually by gas engineer.
Displays error codes and operational status of the water heater.
Steps to resolve common issues when no temperature controllers are fitted.
Specific considerations for installations involving circulation pumps.
Specific installation requirements and regulations for the UK market.
Procedures and checks for unpacking the water heater unit.
Guidelines for installing the water heater outdoors.
Guidelines for installing the water heater indoors.
General installation considerations applicable to all models.
Specifies required clearances around the appliance for access.
Details water supply pressure requirements and pipe sizing.
Instructions for connecting hot and cold water supply pipes.
Guidelines for connecting the gas supply to the water heater.
Requirements for the electrical connection and earthing.
Ventilation requirements for internal models per BS 5440.
Approved Rinnai Infinity and HD flue kits for coaxial flues.
Maximum allowed flue total equivalent length and bend allowances.
Instructions regarding common header or cascade flue systems.
Diagram and table showing required flue terminal positions.
Guidelines for condensate drain pipe material, fall, and discharge points.
Rules for joining condensate drain lines from multiple water heaters.
Discharge of condensate into a common stack in multi-storey buildings.
Requirements for drain lines connected to a tundish.
Measures for drain pipes in areas prone to freezing.
How controllers are used in commercial vs domestic installations.
Recommendations for placing temperature controllers for optimal use.
Step-by-step guide for installing the MC-91 controller.
How to connect one or two controllers to the appliance.
Procedure for connecting three controllers, including cable modification.
Procedure for connecting four controllers, including cable modification.
Steps to install the EZ Connect for controlling multiple heaters.
Procedure to flush the heat exchanger to remove lime build-up.
