Installation Guide
2 | Accelera® 220-300 E www.stiebel-eltron-usa.com
CONTENTS
ACCELERA® 220/300 E QUICK START-UP GUIDE
OPERATION
1. General information _________________________________________7
2. Safety __________________________________________________________7
2.1 Intended use ______________________________________________________ 7
2.2 Incorrect use ______________________________________________________ 7
2.3 General safety instructions ____________________________________ 7
2.4 ETL designation __________________________________________________ 8
2.5 Appliance labels _________________________________________________ 8
3. Register your product _____________________________________ 10
4. Appliance description _____________________________________ 10
4.1 Heating the DHW tank _________________________________________ 11
4.2 Appliance operation outside the application limits ______ 11
4.3 Freeze protection _______________________________________________12
5. Settings _____________________________________________________ 12
5.1 Display and controls ____________________________________________12
5.2 Settings ___________________________________________________________12
5.3 Changing mode of operation _________________________________ 14
5.4 Calling up fault codes __________________________________________14
5.5 Rapid heating key ______________________________________________ 14
5.6 Emergency shutdown __________________________________________ 15
6. Maintenance and care _____________________________________ 15
7. Troubleshooting ____________________________________________ 16
7.1 Fault codes _______________________________________________________ 17
INSTALLATION
8. Safety ________________________________________________________ 18
8.1 General safety instructions ___________________________________ 18
8.2 Instructions, standards and regulations ___________________ 18
8.3 Incorrect use _____________________________________________________ 18
8.4 Qualifi cation _____________________________________________________ 18
9. Appliance description _____________________________________ 19
9.1 Standard delivery _______________________________________________ 19
9.2 Required accessories __________________________________________ 19
9.3 Further accessories_____________________________________________ 19
10. Preparations ________________________________________________ 19
10.1 Transport _________________________________________________________ 19
10.2 Storage ____________________________________________________________ 19
10.3 Installation site __________________________________________________ 19
10.4 Siting the appliance ____________________________________________ 20
10.5 Minimum clearances ___________________________________________ 21
11. Installation __________________________________________________ 21
11.1 Water connection _______________________________________________21
11.2 Condensate drain _______________________________________________ 22
11.3 Choosing the operation mode ________________________________ 22
11.4 Power supply ____________________________________________________ 23
11.5 Assembling the appliance ____________________________________ 25
12. Commissioning _____________________________________________ 26
12.1 Commissioning __________________________________________________26
12.2 Recommissioning _______________________________________________ 26
13. Shutting down ______________________________________________ 26
14. Troubleshooting ____________________________________________ 26
14.1 Fault table ________________________________________________________ 26
14.2 Resetting the safety pressure limiter _______________________ 27
14.3 Resetting the high limit safety cut-out _____________________27
14.4 Motor overload relay ___________________________________________ 27
15. Maintenance and cleaning ________________________________ 27
15.1 Removing the appliance cover _______________________________ 27
15.2 Removing the casing ring _____________________________________28
15.3 Cleaning the evaporator _______________________________________ 28
15.4 Draining the tank _______________________________________________ 28
15.5 Descaling the electric booster element ____________________ 29
15.6 Protective anode ________________________________________________ 29
15.7 Valves _____________________________________________________________29
15.8 Replacing the power cable ___________________________________ 29
15.9 Fitting the casing ring _________________________________________29
15.10 Fitting the appliance cover ___________________________________ 29
16. Specifi cation ________________________________________________ 30
16.1 Dimensions and connections _________________________________ 30
16.2 Wiring diagram _________________________________________________32
16.3 Data table ________________________________________________________ 33
17. Warranty ____________________________________________________ 35