Instructions / Assembly
2 | Accelera® 220-300 E www.stiebel-eltron-usa.com
CONTENTS
ACCELERA
®
220/300 E QUICK START-UP GUIDE
OPERATION
1. General information _________________________________________7
1.1 Safety instructions _______________________________________________ 7
1.2 Other symbols in this documentation _______________________ 7
1.3 Units of measurement __________________________________________ 7
1.4 Standardized output data ______________________________________ 7
2. Safety __________________________________________________________7
2.1 Intended use ______________________________________________________ 7
2.2 Incorrect use ______________________________________________________ 7
2.3 General safety instructions ____________________________________ 8
2.4 ETL designation __________________________________________________ 9
2.5 Appliance labels _________________________________________________ 9
3. Register your product _____________________________________ 11
4. Appliance description _____________________________________ 11
4.1 Heat pump operating principle ______________________________ 11
4.2 Heating the DHW tank _________________________________________ 11
4.3 Appliance operation outside the application limits ______12
4.4 Defrosting ________________________________________________________12
4.5 Freeze protection _______________________________________________12
4.6 Minimum runtime and minimum pause time _____________13
5. Settings _____________________________________________________ 13
5.1 Display and controls ____________________________________________ 13
5.2 Settings ___________________________________________________________ 14
5.3 Changing mode of operation _________________________________15
5.4 Calling up fault codes __________________________________________ 16
5.5 Rapid heating mode ___________________________________________ 16
5.6 Emergency shutdown __________________________________________ 17
6. Maintenance and care _____________________________________ 17
7. Troubleshooting ____________________________________________ 17
7.1 Fault codes _______________________________________________________18
INSTALLATION
8. Safety ________________________________________________________ 20
8.1 General safety instructions ___________________________________ 20
8.2 Instructions, standards and regulations ___________________ 20
8.3 Incorrect use _____________________________________________________20
8.4 Qualification _____________________________________________________20
9. Appliance description _____________________________________ 20
9.1 Standard delivery _______________________________________________20
9.2 Required accessories __________________________________________20
9.3 Further accessories_____________________________________________20
10. Preparations ________________________________________________ 20
10.1 Transport _________________________________________________________20
10.2 Storage ____________________________________________________________ 21
10.3 Installation site __________________________________________________ 21
10.4 Siting the appliance ____________________________________________ 22
10.5 Minimum clearances ___________________________________________22
11. Installation __________________________________________________ 23
11.1 Water connection _______________________________________________23
11.2 Condensate drain _______________________________________________ 23
11.3 Choosing the operation mode ________________________________ 24
11.4 Power supply ____________________________________________________ 25
11.5 Assembling the appliance ____________________________________ 27
12. Commissioning _____________________________________________ 27
12.1 Commissioning __________________________________________________27
12.2 Recommissioning _______________________________________________ 27
13. Settings _____________________________________________________ 28
14. Shutting down ______________________________________________ 28
15. Troubleshooting ____________________________________________ 28
15.1 Fault table ________________________________________________________28
15.2 Resetting the safety pressure limiter _______________________29
15.3 Resetting the high limit safety cut-out _____________________29
15.4 Motor overload relay ___________________________________________29
16. Maintenance and cleaning ________________________________ 29
16.1 Removing the appliance cover _______________________________ 29
16.2 Removing the casing ring _____________________________________ 29
16.3 Cleaning the evaporator _______________________________________ 30
16.4 Draining the tank _______________________________________________ 30
16.5 Descaling the electric booster element ____________________ 31
16.6 Protective anode ________________________________________________ 31
16.7 Valves _____________________________________________________________ 31
16.8 Replacing the power cable ___________________________________ 31
16.9 Fitting the casing ring _________________________________________ 31
16.10 Fitting the appliance cover ___________________________________ 31
17. Specification ________________________________________________ 32
17.1 Dimensions and connections _________________________________ 32
17.2 Wiring diagram _________________________________________________34
17.3 Data table ________________________________________________________ 35
18. Warranty ____________________________________________________ 37