Instructions / Assembly
2 | TEMPRA  WWW.STIEBEL-ELTRON-USA.COM
ENGLISH TABLE OF CONTENTS
1. General Information _____________________________________________2
S1 Safety Precautions _______________________________________________2
2.  Table showing temperature increase above ambient water 
temperature_______________________________________________________3
3. General ____________________________________________________________7
4.  Mounting the unit ________________________________________________7
5. Water connections _______________________________________________8
6. Electrical connection _____________________________________________8
7. Initial settings ____________________________________________________9
8.  Putting the water heater into operation _______________________9
9. Normal maintenance _____________________________________________9
10. Technical Data __________________________________________________ 10
11. Troubleshooting ________________________________________________ 11
12. Spare parts _____________________________________________________ 12
13. Warranty ________________________________________________________ 14
1. General Information
Read this entire manual. Failure to follow all the guides, instruc-
tions 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 responsi-
bility 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 opera-
tion 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 qualifi ed Stiebel Eltron service representative in your area.
!
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.
S1 Safety Precautions
!
PLEASE READ AND FOLLOW THESE INSTRUCTIONS. FAIL-
URE TO FOLLOW THESE INSTRUCTIONS COULD RESULT IN 
SERIOIUS BODILY INJURY OR DEATH.
THE UNIT MUST BE INSTALLED BY A LICENSED ELECTRI-
CIAN AND PLUMBER. THE INSTALLATION MUST COMPLY 
WITH ALL NATIONAL, STATE AND LOCAL PLUMBING AND 
ELECTRIC CODES.
SERVICE OF THE UNIT MUST BE PERFORMED BY QUALI-
FIED SERVICE TECHNICIANS.
BEFORE PROCEEDING WITH ANY INSTALLATION, ADJUST-
MENT, ALTERATION, OR SERVICE OF THIS UNIT ALL CIR-
CUIT BREAKERS AND DISCONNECT SWITCHES SERVICING 
THE UNIT MUST BE TURNED OFF. FAILURE TO DO SO 
COULD RESULT IN SERIOUS PERSONAL INJURY OR DEATH.
NEVER REMOVE THE UNIT'S COVER UNLESS THE ELEC-
TRICITY SERVICING THE UNIT IS TURNED OFF. FAILURE 
TO DO SO COULD RESULT IN PERSONAL INJURY OR DEATH.
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 EX-
ISTS IF THE THERMOSTAT ON THE UNIT IS SET TOO HIGH.  
HOUSEHOLDS WITH SMALL CHILDREN, DISABLED OR EL-
DERLY PERSONS MAY REQUIRE THAT THE THERMOSTAT 
BE SET AT 120°F OR LOWER TO PREVENT POSSIBLE IN-
JURY FROM HOT WATER.










