STIEBEL ELTRON Mini 2, Mini 3, Mini 6 Operating And Installation Manual

OPERATING AND INSTALLATION MANUAL

TANKLESS ELECTRIC WATER HEATER WITH ELECTRO-MECHANICAL FLOW SWITCH

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The Mini™ series is
tested and certified
by WQA against NSF/
ANSI 372 for “lead free“
compliance.

STIEBEL ELTRON Inc.

17 West Street | West Hatfield, MA 01088

Tel. [phone] | Fax [phone]

Email [e-mail]

www.stiebel-eltron-usa.com

270578-36287-8650

CONTENTS | OPERATION

1. General Information _____________________________ 3

1.1 Symbol key ______________________________________ 3

2. Safety precautions ______________________________ 4

3. Register your product ___________________________ 4

4. Temperature increase above ambient water
temperature______________________________________ 4

5. Technical drawings ______________________________ 4

6. Overview _________________________________________ 7

6.1 Figure legend ___________________________________ 7

6.2 General description ____________________________ 7

6.3 Important information before supplying
power to unit ___________________________________ 7

6.4 Hot water output _______________________________ 8

6.5 Incorrect use ____________________________________ 8

6.6 First steps to be taken in the event of
malfunction _____________________________________ 8

6.7 Maintenance and care _________________________ 8

7. Operating and installation instructions ________ 9

7.1 Mounting the unit ______________________________ 9

7.2 Plumbing connections _________________________ 9

7.3 Electrical connection ___________________________ 9

8. Initial start-up __________________________________ 10

9. Water heater hand over ________________________ 10

10. Normal maintenance ___________________________ 10

11. Technical data __________________________________ 11

12. Troubleshooting ________________________________ 11

13. Spare parts _____________________________________ 12

14. Warranty ________________________________________ 12

2 | MINI™ SERIES TANKLESS ELECTRIC WATER HEATERS WWW.STIEBEL-ELTRON-USA.COM

GENERAL INFORMATION

GENERAL INFORMATION

1. General Information

Read this entire manual. Failure to follow all the
guides, instructions and rules could cause personal
injury or property damage. Improper installation,
adjustment, alteration, service and use of this unit can
result in serious injury.

This unit must be installed by a licensed electrician
and plumber. The installation must comply with all
national, state and local plumbing and electric codes.
Proper installation is the responsibility of the installer.
Failure to comply with the installation and operating
instructions or improper use voids the warranty.

Save these instructions for future reference. Installer
should leave these instructions with the consumer.

If you have any questions regarding the installation,
use or operation of this water heater, or if you need
any additional installation manuals, please call our
technical service line at 800-582-8423 (USA and
Canada only). If you are calling from outside the
USA or Canada, please call USA 413-247-3380 and
we will refer you to a qualified Stiebel Eltron service
representative in your area.

1.1 Symbol key

1.1.1 Layout of safety information

1

1 Symbol (see 1.1.2 "Symbols")
2 Keyword (see 1.1.3 "Keywords")
3 Designations (see 1.1.2 "Symbols")
4 Information text

1.1.2 Symbols

Symbol Description

2

DANGER Electric shock

Before any work on the appliance,
disconnect all poles from the
power supply.

Injury

Electrocution

Burns or scalding

Other situations

!

3

ENGLISH

4

THIS IS THE SAFETY ALERT SYMBOL. IT IS USED

!



TO ALERT YOU TO POTENTIAL PERSONAL INJURY
HAZARD. OBEY ALL SAFETY MESSAGES THAT FOLLOW
THIS SYMBOL TO AVOID POSSIBLE INJURY OR DEATH.

The chapter Operation is intended for homeowners,
heating contractors, plumbers and electricians.

The chapter Installation is intended for heating
contractors, plumbers and electricians only.

1.1.3 Keywords

KEYWORD

DANGER

WARNING

CAUTION

The keyword DANGER indicates
information that must be observed,
otherwise serious injury or death
will result.
The keyword WARNING indicates
information that must be observed,
otherwise serious injury or death
may result.
The keyword CAUTION indicates
information that must be observed,
otherwise relatively serious or light
injuries may result.

WWW.STIEBEL-ELTRON-USA.COM MINI™ SERIES TANKLESS ELECTRIC WATER HEATERS | 3

GENERAL INFORMATION

SAFETY PRECAUTIONS

2. Safety precautions

PLEASE READ AND FOLLOW THESE

!



INSTRUCTIONS. FAILURE TO FOLLOW THESE
INSTRUCTIONS COULD RESULT IN SERIOUS BODILY
INJURY OR DEATH.

THE UNIT MUST BE INSTALLED BY A LICENSED
ELECTRICIAN AND PLUMBER. THE INSTALLATION
MUST COMPLY WITH ALL NATIONAL, STATE AND
LOCAL PLUMBING AND ELECTRIC CODES.

SERVICE OF THE UNIT MUST BE PERFORMED BY
QUALIFIED SERVICE TECHNICIANS.

BEFORE PROCEEDING WITH ANY



INSTALLATION, ADJUSTMENT, ALTERATION,
OR SERVICE OF THIS UNIT ALL CIRCUIT BREAKERS
AND DISCONNECT SWITCHES SERVICING THE UNIT
MUST BE TURNED OFF. FAILURE TO DO SO COULD
RESULT IN SERIOUS PERSONAL INJURY OR DEATH.

DANGER: NEVER REMOVE THE UNIT'S COVER



UNLESS THE ELECTRICITY SERVICING THE
UNIT IS TURNED OFF. FAILURE TO DO SO COULD
RESULT IN PERSONAL INJURY OR DEATH.

WARNING: THE UNIT MUST BE PROPERLY



GROUNDED. FAILURE TO ELECTRICALLY
GROUND THE PRODUCT COULD RESULT IN SERIOUS
PERSONAL INJURY OR DEATH.

DANGER: WATER TEMPERATURES OVER



125°F CAN CAUSE SEVERE BURNS INSTANTLY
OR DEATH FROM SCALDING. A HOT WATER
SCALDING POTENTIAL EXISTS IF THE THERMOSTAT
ON THE UNIT IS SET TOO HIGH. HOUSEHOLDS WITH
SMALL CHILDREN, DISABLED OR ELDERLY PERSONS
MAY REQUIRE THAT THE THERMOSTAT BE SET AT
120°F OR LOWER TO PREVENT POSSIBLE INJURY
FROM HOT WATER.

3. Register your product

YOU MUST REGISTER THIS PRODUCT WITHIN



90 DAYS OF PURCHASE ON OUR WEB SITE IN
ORDER TO ACTIVATE THE STANDARD WARRANTY OR
TO BE ELIGIBLE FOR THE EXTENDED WARRANTY. GO
TO OUR WEB SITE AT WWW.STIEBEL-ELTRON-USA.COM
AND CLICK ON REGISTER YOUR PRODUCT.

Before beginning the registration process, we
suggest that you gather the necessary information
which will be as follows:

Type, Example: Mini 3 (from the white label that is
on the right side of the unit)

Number listed after "Nr."
Place of Purchase
Purchase Date
First & Last Name
Email address
Physical Address
Phone Number

IF YOU HAVE ANY QUESTIONS CONCERNING THE
REGISTRATION PROCESS OR WARRANTY OPTIONS,
PLEASE CONTACT STIEBEL ELTRON USA DIRECTLY AT
(800)-582-8423.

Limited liability warranty:

Stiebel Eltron, Inc. is not liable for damages to the unit,
damage to personal property, bodily injury, or loss of
life due to the following conditions:

- Non-observance of these instructions

- Incorrect use (heating any other liquid than water)

- Installation of the appliance by unqualified personnel

- Unauthorized modifications

- Technical modifications

- Use of unauthorized spare parts

THE THREE YEAR WARRANTY COVERS ALL PARTS
BUT DOES NOT COVER DAMAGE TO THE UNIT DUE TO
HARD WATER (FOR THE COMPLETE WARRANTY SEE
"Warranty", SECTION 14 PG. 12). IF YOU KNOW OR
SUSPECT THAT THE WATER IN YOUR AREA IS HARD
(HAS A HIGH MINERAL CONTENT), IT IS NECESSARY
TO INSTALL A WATER SOFTENING DEVICE TO AVOID
DAMAGE TO THE MINI™ UNIT.

4 | MINI™ SERIES TANKLESS ELECTRIC WATER HEATERS WWW.STIEBEL-ELTRON-USA.COM