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STIEBEL ELTRON Accelera 300 User Manual

STIEBEL ELTRON Accelera 300
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OPERATING AND INSTALLATION MANUAL
DHW HEAT PUMP WATER HEATER
» ACCELER 300
A 280011-35603-85xx
B 289230-35603-85xx
STIEBEL ELTRON Inc.
17 West Street | West Hatfield MA 01088
Tel. 413-247-3380 | Fax 413-247-3369
Email info@stiebel-eltron-usa.com
www.stiebel-eltron-usa.com
http://waterheatertimer.org/Review-GE-Heat-Pump-water-heater.html

Table of Contents

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STIEBEL ELTRON Accelera 300 Specifications

General IconGeneral
TypeHeat Pump Water Heater
Capacity80 gallons
Energy Efficiency ClassA
Voltage240 V
First Hour Rating78 gallons

Summary

OPERATING AND INSTALLATION MANUAL

DHW HEAT PUMP WATER HEATER

Identifies the product type as a domestic hot water heat pump.

GENERAL INFORMATION

Please read

Instructions to read and retain manual for future reference and user safety.

Limited liability

Details exclusions from manufacturer's liability for product use and maintenance.

Copyright

States copyright ownership and restrictions on use and copying of instructions.

QUICK START-UP GUIDE

Overview

General overview of the water heater and installation guidelines.

Unpacking

Instructions for safe unpacking of the water heater unit.

Installation / Water

Details water connection steps, including inlet, outlet, and relief valve.

Condensate Drain

Explains how to connect the condensate drain to a suitable location.

Fill & Flush Tank

Procedure to fill and flush the tank before turning on electricity.

Installation / Electrical

Guidance on electrical connection requirements.

OPERATION

1. Overview

Describes the front and back of the water heater with labeled components.

2. General information

States that 'Operation' chapter is for users/installers, 'Installation' for installers only.

2.1 Key to symbols

Introduces symbols used for safety information layout.

2.1.2 Symbols

Lists and explains various safety symbols used throughout the manual.

2.1.3 Keywords

Defines keywords like DANGER, WARNING, CAUTION and their implications.

2.1.4 Symbols in this documentation

Explains how to interpret symbols like '»' and '-' in the document.

2.1.5 Units of measure in this documentation

Specifies that dimensions are given in inches (millimeters).

2.1.6 Information on the packaging

Details labels found on the packaging, such as 'Top heavy' and 'Vertical transport'.

2.1.7 Information on the water heater

Shows location of labels on the water heater, including condensate drain and risk of scalding.

4 Information label "Hot water outlet"

Label indicating hot water outlet and DHW outlet.

9 Type plate

Displays the water heater's technical specifications and identification details.

5 Information label "Relief valve"

Warning about the proper installation and maintenance of the relief valve.

6 Information label "Relief valve installation location"

Shows where the relief valve should be fitted.

7 Information label "Cold water inlet"

Label indicating the cold water inlet connection.

8 Information label "Power connection"

Instructions regarding power supply disconnection before access.

10 Information label "Fluorated gases"

Information about the refrigerant type and its environmental classification.

11 Information label "Energy efficiency"

Label related to the energy efficiency rating of the appliance.

3. Safety

Overview of actions for safe and trouble-free operation.

3.1 General safety instructions

Basic safety guidelines for operating the water heater.

DANGER Scalding

Warning about the risk of scalding from hot water.

CAUTION Injury

Precautions for supervising children or individuals with limited capabilities.

Never place any objects on top of the water heater

Warning against placing objects on the unit to avoid noise increase.

Never cover the water heater

Explanation that covering reduces efficiency and may trigger safety devices.

3.2 Intended use

Specifies the water heater's purpose and limitations regarding ambient temperature.

3.3 Incorrect use

Lists prohibited actions, such as heating non-potable water or using unqualified personnel.

3.4 Personnel qualification

Emphasizes the need for qualified installers for installation and maintenance.

3.5 Safety equipment

Recommends wearing safety shoes during transportation and handling.

3.6 Particular risks

Highlights specific risks associated with the water heater's operation.

4. Water heater description

General description of the water heater's capacity and operation principle.

4.1 Function description

Explains how the water heater extracts heat from ambient air.

4.1.1 Heat pump operation

Details the process of heat extraction and water heating via the heat pump.

4.1.2 Booster heater

Explains the function of the booster heater for higher demand or quick heating.

4.1.3 Defrosting

Describes the defrosting process when evaporator frost occurs.

5. Operation

Information on operating the water heater without user-adjustable controls.

WARNING Scalding

Reminder about the risk of scalding from hot water.

5.1 Initial start-up by a licensed installer

States that initial start-up must be performed by a licensed installer.

5.2 Starting and stopping

How to start and stop the water heater via power supply or circuit breaker.

5.3 Emergency stop

Steps to take in case of an emergency.

6. Maintenance and care

Guidelines for cleaning the water heater exterior and components.

6.1 Descaling

Procedures for descaling the booster heater and checking the anode rod.

7. What to do if

Troubleshooting guide for common issues.

7.1 the water heater does not deliver hot water

Steps to troubleshoot no hot water, including power and air intake checks.

7.2 the safety valve of the cold water supply line is dripping

Explains normal dripping during heat-up and when to contact installer.

7.3 the condensate drain drips

Notes that condensate dripping is normal under certain conditions.

7.4 the power consumption is too high

Advises consulting a qualified installer for high power consumption issues.

7.5 the room temperature drops excessively

Advises contacting installer if room temperature drops abnormally due to operation.

7.6 other faults occur

General advice to notify the installer for any other faults.

INSTALLATION

8. Safety

Emphasizes that only qualified installers should perform installation and maintenance.

8.1 General safety instructions

Instructions on using original parts and general safety precautions.

DANGER Electric shock

Warning to disconnect power before installation and about refrigerant hazards.

WARNING Injury

Warnings about moving parts and refrigerant hazards, advising protective gear.

8.2 Incorrect use

Lists prohibited installation locations and operational practices.

8.3 Qualification

Stresses the need for qualified personnel for installation and start-up.

8.3.1 Licensed installer

Describes the training and knowledge of licensed installers.

8.3.2 Electrician (licensed)

Defines the role of a licensed electrician for electrical installations.

8.3.3 Plumber (licensed)

Defines the role of a licensed plumber for water-related installations.

8.3.4 Customer service

Provides contact information for customer service inquiries.

8.4 Instructions, standards and regulations

Advises following codes, standards, and reading type plates.

8.5 Water installation

Specifies materials for water lines and ensures no contamination.

8.6 Electrical installation

Details electrical protection requirements, including breaker and isolator.

9. Water heater description

Describes the water heater's components and factory-set thermostat.

9.1 Standard delivery

Lists the items included with the Accelera 300 heat pump water heater.

9.2 Special accessories

Lists available special accessories and their part numbers.

10. Installation

General instructions and precautions for installing the water heater.

CAUTION Injury

Precautions for handling components and ensuring adequate space.

10.1 Installation location

Specifies safe locations, avoiding explosive atmospheres and ensuring load-bearing floors.

DANGER Explosion

Warning against installing in rooms with explosion risks.

WARNING Injury

Emphasizes the need for a load-bearing floor due to the unit's weight.

Risk of frost damage

Advises against installing in areas with temperatures below 42°F (6°C).

10.2 Shipping inspection

Instructions for checking the delivery for damage and initiating claims.

10.3 Handling

Safety instructions for handling the heavy water heater and preventing overturning.

CAUTION Injury through heavy loads

Warning about the unit's weight and the need for aids and personnel.

Risk of damage through incorrect handling

Consequences of improper handling and packaging information.

Risk of damage through overturning

Advice on preventing overturning and positioning on a level substrate.

10.4 Storage

Guidelines for storing the water heater prior to installation.

10.5 Positioning the water heater

Instructions for placing the unit at the final installation location.

10.5.1 Installation conditions

Requirements for adequate space above the unit for maintenance.

10.6 Unpacking the water heater

Detailed steps for safely removing the water heater from its packaging.

DANGER Injury from tipping over

Warning about the unit's high center of gravity and risk of tipping.

Install condensate drain elbow

Recommends installing the condensate drain elbow at this stage.

10.6.1 Condensate drain

Explains the location and connection of the condensate drain.

10.7 Water connection

Details requirements for cold and hot water connections by a licensed plumber.

Risk of damage through corrosion

Advises on preventing corrosion with flat gaskets.

Install a 70 psi pressure reducing valve

Instruction to install a 70 psi pressure reducing valve on the cold water inlet.

10.7.1 Safety valve (on-site provision)

Requirements for installing the 100 psi, 210 °F P&T relief valve.

10.7.2 P&T valve (on-site provision)

Warnings and installation guidance for the P&T valve.

10.8 Power supply: 240 V / 15 A double pole circuit breaker

Specifies the required power supply and circuit breaker.

Connect the power cable to the mains terminal

Instructions for connecting the power cable according to the wiring diagram.

WARNING Electric shock

Warning about improper grounding and its risks.

10.8.1 High limit safety cut-out

Explains how the high limit safety cut-out may trip and how to reset it.

11. Initial start-up

Procedures for initial start-up by licensed installers.

11.1 Initial start-up

Steps for initial start-up, including filling, flushing, and checking valves.

11.2 Shutting down

Method for switching off the water heater.

11.3 Restarting

Procedure for restarting after power interruption.

12. Settings

Information on adjusting water temperature settings.

12.1 Adjusting the water temperature

Guide for licensed installers on adjusting thermostat settings for temperature control.

13. Water heater hand over

Instructions for installers to explain functions and safety to the user.

14. Troubleshooting

Information on safety cutouts and troubleshooting common faults.

14.1 Safety equipment of the water heater

Explains how safety cutouts interrupt power circuits during faults.

14.1.1 High limit safety cut-out for booster heater

Details the function of the high limit safety cut-out for the booster heater.

14.1.2 Safety pressure limiter for heat pump

Explains the safety pressure limiter for the heat pump's refrigerant circuit.

14.1.3 Protective motor switch - klixon

Describes the function of the protective motor switch for the compressor.

14.2 Troubleshooting

Further troubleshooting steps for common issues.

14.2.1 Excessive power consumption

Suggests lowering the booster heater temperature for excessive power use.

14.2.2 The room temperature falls excessively

Addresses excessive room temperature drop due to inadequate airflow.

15. Maintenance and cleaning

Guidelines for qualified installers performing maintenance.

WARNING Injury

Warning about sharp evaporator fins and the need for protective gear.

15.1 Cleaning the evaporator

Instructions for professional cleaning of the evaporator fins.

15.2 Draining the tank

Steps for draining the water tank safely, including closing valves.

WARNING Scalding

Warning about hot water expulsion during tank draining.

15.3 Sacrificial anode rod

Information on inspecting and replacing the sacrificial anode rod.

15.4 Descaling

Procedure for descaling the immersion heater element.

15.5 Checking valves

Importance and method of checking safety and pressure reducing valves.

15.5.1 Safety valve (on-site provision)

How to check the P&T safety valve for proper function.

15.5.2 Pressure reducing valve (on-site provision)

Guidance on checking the on-site pressure relief valve.

16. Specification

Provides specifications and dimensions of the water heater.

16.1 Connection and dimensions

Details the water heater's dimensions and connection points.

16.2 Wiring diagram

Presents the electrical wiring diagram for the water heater.

WARNING Electric shock

Warning regarding inadequate grounding and proper connection.

16.3 Refrigerant diagram

Illustrates the refrigerant circuit of the heat pump system.

16.4 Technical Data

Comprehensive table of technical specifications and operating details.

WARRANTY AND ENVIRONMENT

WARRANTY

Outlines the terms and conditions of the 10-year limited warranty for the water heater.

Environment and recycling

Instructions for environmentally sound disposal of the appliance and packaging.

Mitsubishi Compressor KYOTO | R134a

Information about the compressor type and refrigerant used.

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