Rheem RTE 3 Bedienungsanleitung

Water Heaters

Electric Tankless

The purpose of this manual is twofold:

one, to provide the installer with the basic

directions and recommendations for the proper

installation and adjustment of the water heater;

and two, for the owner–operator, to explain

the features, operation, safety precautions,

maintenance and troubleshooting of the water

heater. This manual also includes a parts list.

It is imperative that all persons who are

expected to install, operate or adjust this

water heater read the instructions carefully

so they may understand how to perform

these operations. If you do not understand

these instructions or any terms within it, seek

professional advice.

Any questions regarding the operation,

maintenance, service or warranty of this

water heater should be directed to the seller

from whom it was purchased. If additional

information is required, refer to the section on

“If you need service.”

Do not destroy this manual. Please read

carefully and keep in a safe place for future

reference.

Recognize this symbol as an

indication of Important Safety

Information!

California Proposition 65 Warning:

This product contains chemicals

known to the State of California to

cause cancer, birth defects or other

reproductive harm.

AP15447 (10/10)

Printed in USA.

Use & Care Manual

With Installation Instructions for the Installer

MET ®

Complies with UL 499.

Care and Cleaning

Maintenance . . . . . . . . . . . . . 12

Safety Information

Safety Precautions . . . . 3, 4

Installation Instructions

Location ............... 5

Heater Installation . . . . . . . 6

Mounting the Heater . . . . . 7

Water Connections . . . . . . 8

Electrical Connections. . . . 9

Operating Instructions

Preparing for Operation . . . 11

Water Temperature . . . . . . . .11

Troubleshooting Tips

Before You Call

For Service . . . . . . . . . . . . . . 14

If You Need Service . . . . 16

FOR YOUR RECORDS

Write the model and serial numbers here:

You can find them on a label on the appliance.

Staple sales slip or cancelled check here.

Proof of the original purchase date is needed to obtain

service under the warranty.

Inside you will find many helpful hints on how to use

and maintain your water heater properly. Just a little

preventive care on your part can save you a great deal of

time and money over the life of your water heater.

You’ll find many answers to common problems in the

Before You Call For Service section. If you review our

chart of Troubleshooting Tips first, you may not need to

call for service at all.

READ THIS MANUAL

Your safety and the safety of others are very important. There

are many important safety messages in this manual and on your

appliance. Always read and obey all safety messages.

!This is the safety alert symbol. Recognize this symbol

as an indication of Important Safety Information!

This symbol alerts you to potential hazards that can

kill or hurt you and others.

All safety messages will follow the safety alert symbol and

either the word “DANGER”, “WARNING”, “CAUTION” or

“NOTICE”.

These words mean:

!DANGER An imminently hazardous situation

that will result in death or serious

injury.

WARNING A potentially hazardous situation that

could result in death or serious injury

and/or damage to property.

!CAUTION A potentially hazardous situation that

may result in minor or moderate

injury.

Notice: Attention is called to observe a

specified procedure or maintain

a specific condition.

READ THE SAFETY INFORMATION

Time/Temperature Relationship in Scalds

Temperature Time To Produce a Serious Burn

120°F More than 5 minutes

125°F 1½ to 2 minutes

130°F About 30 seconds

135°F About 10 seconds

140°F Less than 5 seconds

145°F Less than 3 seconds

150°F About 1½ seconds

155°F About 1 second

Table courtesy of Shriners Burn Institute

The chart shown above may be used as a guide

in determining the proper water temperature for your

home.

!DANGER: Households with small children,

disabled,

or elderly persons may require a 120°F or lower

thermostat setting to prevent contact with

“HOT” water.

The temperature of the water in the heater is

regulated by the electronic control on the front of

the water heater. To comply with safety regulations

the thermostat was set at the lowest factory setting

before the water heater was shipped from the

factory.

The illustration below shows the temperature

adjustment dial used for setting the water

temperature.

Refer to the

Operating

Instructions

in this manual

for detailed

instructions in

how to adjust the

thermostat(s).

! DANGER: Hotter water increases the potential

for Hot Water SCALDS.

DANGER

HOT

Water temperature over 125°F can

cause severe burns instantly or

death from scalds.

Children, disabled and elderly are

at highest risk of being scalded.

See instruction manual before

setting temperature at water

heater.

Feel water before bathing or

showering.

Temperature limiting valves are

available, see manual.

BURN

IMPORTANT SAFETY INFORMATION.

READ ALL INSTRUCTIONS BEFORE USING.

DANGER!

WATER TEMPERATURE SETTING

Safety and energy conservation are factors to be considered when selecting the water

temperature setting of water heater’s thermostat. Water temperatures above 125°F

can cause severe burns or death from scalding. Be sure to read and follow the warnings

outlined on the label pictured below. This label is also located on the water heater near

the thermostat access panel.

NOTICE: Mixing valves are available for reducing point

of use water temperature by mixing hot and cold water

in branch water lines. Contact a licensed plumber or the

local plumbing authority for further information.

Thermostat dial

pointer

IMPORTANT SAFETY INFORMATION.

READ ALL INSTRUCTIONS BEFORE USING.

WARNING!

For your safety, the information in this manual must be followed to minimize the risk of

fire or explosion, electric shock, or to prevent property damage, personal injury, or loss of

life.

Be sure to read and understand the entire Use and Care Manual before attempting

to install or operate this water heater. It may save you time and cost. Pay particular

attention to the Safety Instructions. Failure to follow these warnings could result in

serious bodily injury or death. Should you have problems understanding the instructions

in this manual, or have any questions, STOP, and get help from a qualified service

technician, or the local electric utility.

FOR INSTALLATIONS IN THE STATE OF CALIFORNIA

California Law requires that residential water heaters must be braced, anchored or

strapped to resist falling or horizontal displacement due to earthquake motions. For

residential water heaters up to 52 gallon capacity, a brochure with generic earthquake

bracing instructions can be obtained from: Office of the State Architect, 1102 Q Street,

Suite 5100, Sacramento, CA 95814 or you may call 916-445-8100 or ask a water heater

dealer.

However, applicable local codes shall govern installation. For residential water heaters

of a capacity greater than 52 gallons, consult the local building jurisdiction for acceptable

bracing procedures.

READ AND FOLLOW THIS SAFETY INFORMATION

CAREFULLY.

SAVE THESE INSTRUCTIONS

Have the installer show you the location of the circuit breaker and how to shut it off if

necessary. Turn off the circuit breaker if the water heater has been subjected to overheating,

fire, flood, physical damage or if the ECO fails to shut off.

● Read this manual entirely before installing

or operating the water heater.

● Use this appliance only for its intended

purpose as described in this Use and Care

Manual.

● Be sure your appliance is properly installed

in accordance with local codes and the

provided installation instructions.

● Do not attempt to repair or replace any part

of your water heater unless it is specifically

recommended in this manual. All other

servicing should be referred to a qualified

technician.

SAFETY PRECAUTIONS

Installing the water heater.

The location chosen for the water heater must take into consideration the following:

Local Installation Regulations

This water heater must be

installed in accordance with

these instructions, local codes,

utility codes, utility company

requirements or, in the absence

of local codes, the latest edition

of the National Electrical Code.

It is available from some local

libraries or can be purchased

from the National Fire Protection

Association, Batterymarch park,

Quincy, MA 02269 as booklet

ANSI/NFPA 70.

Location

Locate the water heater in a clean

dry area as near as practical to

the area of greatest heated water

demand. Long uninsulated hot water

lines can waste energy and water.

The water heater and water

lines should be protected from

freezing temperatures. Do not

install the water heater in outdoor,

unprotected areas.

Inspect Shipment

Inspect the water heater for

possible damage.

Check the markings on the

rating plate of the water heater

to be certain the power supply

corresponds to the water heater

requirements.

Installing the water heater.

1. Thank you for your purchase

of the Electric Tankless

Water Heater. This is a quick

reference guide to installation.

Remember you must consult a

licensed electrician and plumber

for guidance.

2. Remove the unit from the

box before continuing.

Please check to make sure

all mounting hardware and

instruction manuals are present.

DO NOT continue until you

have all these items.

3. Shut off all water supply lines

to the existing water heater. (If

this is a new installation, make

sure the water is completely

shut off.)

4. Remove the water heater to

expose pipes. Locate and mark

the spot where you plan to

install the tankless water heater.

5. Mount unit to wall at selected

location.(See Figure 1)

6. Install the water lines to the

tankless water heater using

supplied compression fittings.

(See Figure 2.)

7. Open the main water valve and

let the water run for 2 minutes

through the unit to remove all

air in the line. Close water tap

after 2 minutes and check for

leaks.

8. Check existing electrical code

for appropriate wire gauge

and breaker size. (This step

should be done by a qualified

electrician to avoid electrical

problems.)

9. Once the electrical connection

is complete, turn on breaker

and verify the green "Stand-By"

light is on.

10. Electrical connections may be

completed without accessing

inside components of the water

heater.

11. Turn on hot water tap and

check that the red "Activation"

lights come on.

12. Set the temperature knob to the

desired water temperature. (See

Figure 3.)

Location of Unit

NOTICE: Unit must be installed in

a vertical position ONLY with the

water fittings pointing horizontally,

Do not install the unit where it

would routinely be splashed with

water. Electric shock may result.

1. Install the tankless water heater

as close as possible to the

hot water draw-off point, for

example, directly beneath the

sink or next to the shower stall.

2. Install the tankless water heater

in a frost free area. If frost may

occur, remove the unit before

freezing temperatures set in.

3. Leave a minimum of 12" of

clearance on top and bottom of

the unit for servicing.

Mounting The Water Heater

Mounting kit contains sheet metal

screws and supporting brackets in a

plastic bag.

These brackets can be attached to

the back of the heater and allows

the installer to secure the heater to

the wall without the need to open

the front cover.

Make sure to use only the brackets

and screws that are provided in the

mounting kit. The use of longer

screws may damage the unit and

void your warranty.

WALL

MOUNT

BRACKET

LOWER

MOUNT

HOLE

UPPER

MOUNT

HOLE

BACK PANEL

Figure 1

Installing the water heater.

1. All plumbing work must

comply with national applicable

state and local plumbing codes.

2. Make certain that the cold water

supply line has been flushed to

remove any scale and dirt.

3. Install isolating valve in cold

water line to allow the unit to

be isolated for maintenance

purposes.

4. Cold water connection (inlet) is

on the right side of the unit, hot

water connection (outlet) is on

the left side of unit.

NOTICE: Excessive heat from

soldering on copper pipes near the

tankless water heater may cause

damage.

5. Tankless water heaters are not

required to be equipped with

a Pressure and Temperature

Relief Valve (PTRV). If the

local inspector will not pass the

installation without a PTRV, it

should be installed on the hot

water outlet side of unit.

6. When all plumbing work is

completed, check for leaks and

take corrective action before

proceeding.

Very Important

Use only the compression fitting

ring and nut provided with each

unit as shown in drawing.

Important

Test the installation for leaks

before connecting the electrical

supply. Check with a professional

electrician for required breaker and

wire gauge.

Compression fittings are designed

exclusively for this unit. Do not

use a different type of threaded

coupling.

Water Connections

HOT

WATER

OUT

COLD

WATER

COMPRESSION FITTING RINGS

COMPRESSION FITTING NUTS

Figure 2

After the unit is installed, open the

shut-off valve in the cold water

supply line.

Open each hot water faucet slowly

to allow the air to vent from the

water heater and piping.

A steady flow of water from the

hot water faucet(s) indicates a full

water heater.

Electrical Connections

A separate branch circuit with

copper conductors, overcurrent

protective device and suitable

disconnecting means must be

provided by a qualified electrician.

All wiring must conform to local

codes or latest edition of National

Electrical Code ANSI/NFPA 70.

The voltage requirements and

wattage load for the water heater

are specified on the rating plate on

the front of the water heater.

The branch circuit wiring should

include either:

Metallic conduit or metallic

sheathed cable approved for use

as a grounding conductor and

installed with fittings approved

for the purpose.

Non-metallic sheathed cable,

metallic conduit or metallic

sheathed cable not approved for

use as a ground conductor shall

include a separate conductor for

grounding. It should be attached

to the ground terminals of the

water heater and the electrical

distribution box.

NOTICE: This guide recommends minimum branch circuit sizing and

wire size based on National Electric Code. Refer to wiring diagrams in this

manual for field wiring connections.

WARNING: The heater

chamber must be full of water

before the water heater is

turned on. The water heater

warranty does not cover

damage or failure resulting

from operation with an empty

or partially empty heater

chamber.

Purge Air From System

CAUTION: The presence

of water in the piping

and water heater does

not provide sufficient

conduction for a ground.

Non-metallic piping,

dielectric unions, flexible

connectors etc. can cause

the water heater to be

electrically isolated.

WARNING: Before

beginning any work on the

electric installation, be sure that

main breaker panel switch is

“OFF” to avoid any danger of

electric shock. All mounting and

plumbing must be completed

before proceeding with electrical

hook-up. Where required by

local, state or national electrical

codes the circuit should be

equipped with a “Ground fault

interrupter”.

1. All electrical work must comply

with national and applicable state

and local electrical codes.

2. The tankless heater should be

connected to a properly grounded

dedicated branch circuit of proper

voltage rating. In installations with

several tankless units, each unit

requires an independent circuit.

Please refer to th technical data

table for the correct wire and

circuit breaker size.

Warning: As with any electric

appliance, failure to electrically

ground unit may result in serious

injury or death.

Installation Checklist

A. Water Heater Location

B. Water Supply

D. Wiring

❑ Close to area of heated water demand.

❑ Indoors and protected from freezing

temperatures.

❑ Area free of flammable vapors.

❑ Sufficient room to service heater.

❑ Water heater completely filled with

water.

❑ Air purged from water heater and

piping.

❑ Water connections tight and free of

leaks.

❑ Power Supply voltage agrees with

water heater rating plate.

❑ Branch circuit wire and fusing or

circuit breaker of proper size.

❑ Electrical connections tight and unit

properly grounded.

Operating the water heater.

Safety Precautions

Do turn off power to water heater

if it has been subjected to over

heating, fire, flood, physical

damage.

Do Not turn on water heater

unless it is filled with water.

Do Not turn on water heater if

cold water supply shut-off valve

is closed.

If there is any difficulty in

understanding or following the

Operating Instructions or the

Care and Cleaning section, it is

recommended that a qualified

person or serviceman perform the

work.

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