STIEBEL ELTRON CF 12 KW - 1 General Information; Table of Contents; Safety Information

2 | CF SERIES WWW.STIEBEL-ELTRON-USA.COM
CONTENTS | OPERATION
OPERATION
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 plumb-
ing 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. The 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 qualified
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 mes-
sages that follow this symbol to avoid possible injury or
death.
1.1 Safety information
1.1.1 Structure of safety information
KEYWORD: Type of risk
Here, possible consequences are listed that may
result from not observing the safety information.
f Steps to prevent the risk are listed.
1.1.2 Symbols, type of risk
Symbol Type of risk
!
Injury
Electrocution
Burns or scalding
OPERATION
1. General information ___________________________________________ 2
1.1 Safety information __________________________________________________ 2
1.2 Other symbols in this document _________________________________ 3
2. Safety ____________________________________________________________ 3
2.1 Intended use _________________________________________________________ 3
2.2 Safety precautions __________________________________________________ 3
2.3 Test symbols _________________________________________________________ 3
2.4 Licenses / certificates ______________________________________________ 3
3. Functional characteristics _____________________________________ 4
4. Troubleshooting ________________________________________________ 5
4.1 Fault table ____________________________________________________________ 5
4.2 Solutions based on symptoms in fault table __________________ 5
4.3 Cold element resistivity by heater type (in Ohms) ___________ 5
5. Mounting the water heater ___________________________________ 6
5.1 Mounting _____________________________________________________________ 6
6. Water connections _____________________________________________ 6
6.1 Venting the air_______________________________________________________ 6
6.2 Leakage check _______________________________________________________ 7
7. Electrical connection ___________________________________________ 7
7.1 Safety__________________________________________________________________ 7
7.2 Electric supply _______________________________________________________ 7
7.3 Terminal block torque _____________________________________________ 7
8. Commissioning _________________________________________________ 7
9. Maintenance ____________________________________________________ 7
10. Technical data __________________________________________________ 8
10.1 Dimension drawings _______________________________________________ 9
10.2 Wiring diagrams ___________________________________________________12
10.3 Maximum temperature rise _____________________________________24
11. Spare parts and service advice ______________________________25
12. Warranty _______________________________________________________27