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STIEBEL ELTRON DHC 8 EC User Manual

STIEBEL ELTRON DHC 8 EC
32 pages
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This water heater must be installed (water and electrical installation),
commissioned and serviced by approved service technicians in
accordance with these instructions.
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English
Instantaneous water heater - Operation and installation instructions
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DHC 6 EL / 6 EC / 8 EL / 8 EC / 10 EL
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STIEBEL ELTRON DHC 8 EC Specifications

General IconGeneral
TypeInstantaneous water heater
Power Rating8 kW
Temperature Range30 - 60 °C
Wattage8000 W
Water Connection1/2"
Power Consumption8 kW
Maximum Flow Rate4.0 L/min
Protection ClassIP 24
Connection1/2"
Operating Pressure1 - 10 bar

Summary

General Information

User and Installer Guidelines

Outlines the purpose of chapters and general instructions for users and installers.

Pre-Use Safety Instructions

Emphasizes reading instructions before use, retaining them, and passing them on to new users.

Child and Vulnerable User Safety

Defines safe usage for children aged 8+ and persons with reduced capabilities, including supervision rules.

Prohibited Activities: Child Play & Maintenance

Forbids children from playing with the appliance or performing unsupervised maintenance.

Installation Instructions: Overview and Dimensions

Installation Scenarios

Illustrates installation of the water heater to a bath or sink.

Unit Dimensions and Cable Requirements

Provides critical dimensions and cable length specifications for installation.

Installation Template and Drilling Guide

Guidance on using the installation template for accurate hole drilling.

Installation Instructions: Wiring and Mounting

Wiring Diagram and Electrical Connection

Presents the essential wiring diagram for proper electrical hookup.

Wall Mounting Procedure

Details the steps for securely mounting the unit onto a wall.

Hole Drilling for Installation

Instructions on using the template to drill holes for mounting.

Installation Instructions: Internal Components

Internal Unit Components Description

Identifies and describes all internal parts of the water heater.

Installation Instructions: Unit Preparation

Unit Preparation and Opening

Steps for preparing the unit, removing screws, and opening the casing.

Electrical and Water Inlet Preparation

Guidance on removing plugs and creating openings for water inlet connections.

Installation Instructions: Cable and Wiring

Electric Cable Routing and Securing

Instructions for routing the electric cable and ensuring a tight, secure fit.

Circuit Breaker and Wire Connections

Details on circuit breaker requirements and connecting wires to the unit terminals.

Installation Instructions: Water Pipe Connections

Concealed Water Pipe Connections

Steps for connecting water pipes when embedded within a wall.

Wall-Mounted Water Pipe Connections

Instructions for connecting water pipes to a wall-mounted setup.

Installation Instructions: Final Assembly

Final Cover and Casing Assembly

Steps for installing the cover, connecting the power cord, and securing the casing.

Operation Instructions: Basic Usage

Unit Description and Operation Indicator

Explains the function of the electronic water heater and its operational indicator light.

Temperature Adjustment and Water Valve

How to adjust water temperature using the selector and turn on the hot water valve.

Operation Instructions: External Features and Safety

External Unit Components Identification

Identifies and labels external parts like control knobs, inlet/outlet pipes.

Safe Installation Location Requirements

Specifies installation requirements for a closed, frost-free room.

Electrical Safety Warning for Resetting

Warning regarding disconnecting power before resetting electrical heating appliances.

Operation Instructions: ELCB and Cutoff Features

Earth Leakage Circuit Breaker (ELCB) Function

Details the ELCB's purpose, monthly testing, and operational procedures.

Automatic High Temperature Cutoff

Explains the automatic cutoff device for unusually high water temperatures.

Troubleshooting ELCB and Cutoff Issues

Guidance on what to do if the unit does not operate or the thermostat cuts off.

Operation Instructions: First Use and Flow Adjustment

First Operation by Expert Technician

Procedure for initial startup, involving ELCB, valves, and air expulsion.

Temperature Selection and Warning

Guidance on selecting temperature levels and a warning about high temperatures.

Appliance Location and Cord Safety

Notes on avoiding freezing locations and replacing damaged supply cords.

Adjusting Water Flow for Temperature

How to adjust water flow rate to achieve the desired temperature.

Operation Instructions: Technical Specifications

Technical Specifications Overview

Presents key technical data including type, capacity, pressure, electrical, and power ratings.

Operation Instructions: Regulations and Maintenance

Regulations and Installation Requirements

Covers local power/water regulations, vertical installation, and electrical connection security.

Important Installation and Electrical Notes

Key points on unit flush mounting, materials, and protective earth conductor connection.

Recommended Installation Location

Guidance on selecting an appropriate enclosed, frost-free area.

Care, Maintenance, and Safety Precautions

Instructions for cleaning, maintenance by qualified personnel, and disconnecting from mains.

Guarantee and Installation Liability

Guarantee Terms and Conditions

Refers to country-specific guarantee terms and the role of qualified installers.

Liability for Improper Installation

States company non-liability for failures due to improper or unauthorized installation.

User Fault Elimination and Troubleshooting

Troubleshooting No Hot Water

Addresses no hot water issues related to flow volume and ELCB activation.

Troubleshooting Water Flow and Heating

Resolves issues with water flow too high or heating setting too low.

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