STIEBEL ELTRON SBB 300 S, SBB 400 S, SBB 600 Plus, SBB 300 S Plus, SBB 400 S Plus Operating And Installation Instruction
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OPERATING ANd INSTALLATION INSTRUCTIONS
SINGLE ANd dUAL hEAT EXChANGER SOLAR STORAGE TANKS
›› SBB 300, 400 S & SBB 300, 400, 600 PLUS
ENGLISh
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1. CONTENTS
SECTION PAGE
1. Contents __________________________________________________________ 2
2. Safety Instructions _______________________________________________ 3
3. Operation and Service ___________________________________________ 4
3.1 Start-up __________________________________________________________________4
4. Maintenance and Cleaning ______________________________________ 4
4.1 Pressure Relief Valve ___________________________________________________ 4
4.2 Decalcification ___________________________________________________________ 4
4.3 Sacrificial Anode – Inspection / Replacement _____________________4
5. Failures – Cause – Correction ___________________________________ 5
6. Technical Specifications __________________________________________ 5
6.1 Technical Data & Specifications ______________________________________ 6
6.2 Dimensions ______________________________________________________________ 7
7. Installation Instructions - General ______________________________ 8
7.1 Set-up_____________________________________________________________________8
7.1.1 Brief Description of the Appliance - Applications ________________8
7.1.2 Connections ______________________________________________________________8
7.2 Delivery Configuration _________________________________________________ 8
7.3 Tasks to be performed by Installer __________________________________ 8
7.4 Regulations and Standards ___________________________________________ 8
8. Set-up and Installation __________________________________________ 9
8.1 Set-up_____________________________________________________________________9
8.2 Connections ______________________________________________________________9
8.3 Heater Installation ______________________________________________________ 9
8.4 Hot Water Installation _________________________________________________9
8.4.1 Local Site Conditions ___________________________________________________ 9
8.4.2 Required Pipe Combinations _________________________________________ 9
8.4.3 Cold Water Supply Safety Components _____________________________ 9
8.4.4 Pressure Regulator Settings __________________________________________9
8.4.5 Before Filling ____________________________________________________________ 9
8.4.6 Drainage and Re-circulation _________________________________________ 9
8.5 Hot Water Temperature Probe ______________________________________12
8.6 Solar Storage Tank – Temperature Probe _________________________12
8.7 Connection to the Solar Unit ________________________________________12
8.8 Sacrificial Anode _______________________________________________________12
9. Temperature & Pressure Relief Valve Assembly ______________13
10. Warranty _________________________________________________________15
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2. SAFETY INSTRUCTIONS
ENGLISH
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 professional installer. 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.
Service of the unit must be performed by a qualified service agency.
Never set the solar loop pressure greater than potable (domestic)
water supply pressure. If the potable water pressure is too low, a
booster pump may be needed to assure that it exceeds the required
solar loop pressure.
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.
THIS IS THE SAFETY ALERT SYMBOL. IT IS USED TO ALERT YOU
TO POTENTIAL PERSONAL INJURY HAZARD. OBEYALLSAFETY
MESSAGES THAT FOLLOW THIS SYMBOL TO AVOID POSSIBLE INJURY OR
DEATH.
Safety Instructions
WARNING: NEVER INSTALL ANY VALVES OR SHUTOFF DEVICES IN
THE PIPING BETWEEN THE COLLECTORS AND THE SAFETY VALVE.
THE SAFETY VALVE IS ACTUATED AT 87 PSI PRESSURE.
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.
DANGER: SETTING THE MAXIMUM TANK TEMPERATURE HIGHER
THAN 140°F AT THE CONTROL UNIT IS PERMISSIBLE ONLY IN
CONJUNCTION WITH A THERMOSTATICALLY-CONTROLLED DHW MIXING
VALVE. OTHERWISE THERE CAN BE A RISK OF SCALDING AT THE DRAWOFF
POINT.
CAUTION: ALL SENSOR WIRING SHOULD BE RATED FOR EXPECTED
TEMPERATURES AND MUST BE PROTECTED FROM DEGRADATION
AND ELECTRICAL INTERFERENCE.
Solar Loop
Use only a mixture of 50% GRAS (food grade) Propylene Glycol and
de-ionized water. (Heat Exchanger type SW, AWWA Fluid Class II see MSDS for handling instructions.)
WARNING: FLUID MAY BE DISCHARGED AT HIGH TEMPERATURE
AND/OR PRESSURE. THERE CAN BE A RISK OF SCALDING AT THE
DISCHARGE POINT.
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NO OTHER FLUID SHALL BE USED THAT WOULD CHANGE THE ORIGINAL
CLASSIFICATION OF THIS SYSTEM. UNAUTHORIZED ALTERATIONS TO THIS
SYSTEM COULD RESULT IN A HAZARDOUS CONDITION.
3. OPERATION AND SERVICE
3.1 Start-up
The hydronic back-up boiler (see Figure 5) and solar storage
tank (see Figures 4 & 5), constitute a functional unit. Hot water is
generated throughout the year by the solar collectors (see Figure 4).
Supplemental heat is provided by the back-up boiler when there is
insufficient solar energy available (see Figure 5).
The entire heater and hot water system must be filled with water
and have adaquate air ventilation. Please refer to the solar
collector’s and the boiler’s installation instructions.
4. MAINTENANCE AND CLEANING
Routine care and maintenance extends the life expectancy and
operating safety of the hot water storage unit. The outer casing
should be cleaned with a slightly damp cloth and commercially
available neutral cleaning agent. This should be done on a regular
basis.
4.1 Temperature / Pressure Relief Valve
WARNING: THE T&P RELIEF VALVE IS DESIGNED TO RELIEVE BUILT
UP PRESSURE IN THE WATER HEATER. FLUID MAY BE DISCHARGED
AT HIGH TEMPERATURE AND/OR PRESSURE. SCALDING HOT WATER
INJURIES CAN OCCUR.
NOTICE: THE WATER HEATER AND T&P RELIEF VALVE SHOULD BE
INSTALLED AND PIPED IN AND TO AN AREA WHERE WATER DISCHARGE
AND LEAKING WILL NOT CAUSE PROPERTY DAMAGE.
The proper function of the Temperature / Pressure (“T&P”) relief
valve is required to prevent damage to the hot water storage unit.
The T&P valve needs to be open during cold-water addition. The
water has to flow from the relief line at full stream.
4.3 Replacement of the Sacrificial Anode
Depending on the composition of the tap water, an inspection
of the sacrificial anode (Pos. 1, Figure 1) at timely intervals is
recommended. With heavy wear, an original equipment replacement
anode must be installed to protect the inner container from
corrosion. An inspection should be performed at least once a year.
4.2 Decalcification
With hard tap water, a deposit of scale will form on the inside of
the storage unit. Based on professional experience, it is necessary
to decalcify with commercially available solvents at timely intervals.
Follow the manufacturers instructions for solvent use. The hot water
storage unit needs to be emptied. The inspection cover must be
removed and sediments on the tank bottom must be flushed.
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5. FAILURES – CAUSES – CORRECTION
Failures Causes Correction
Inadequate water pressure Shut-off valve is not completely open.
Cold or hot water line is obstructed.
Hot water flow inadequate
Hot water storage tank not being heated Program selection at the heater control is not
Outlet quantity inadequate Aerator at the extraction point blocked. Unscrew aerator and clean.
Hot water supply exhausted too quickly Flow rate too high. Recommended 2.6-3.9 gal./min.
Boiler temperature is set too low.
Recommended 176 to 185 °F / 80 to 85 °C.
Heat exchanger is calcified.
properly selected.
or 9.8-14.8 l/min.
Open Shut-off valve. Clean or exchange pipes.
Set boiler to recommended temperature.
Clean heat exchanger.
Select and set program per instructions.
Restrict spigot valve rate.
6. TECHNICAL SPECIFICATIONS
ENGLISH
1
Components of the SBB S / SBB Plus
1. Sacrifical anode indicator
2. Glass lined steel tank
3. Thermometer well
4. Immersion sleeve for boiler temperature probe
5. Spare port
6. Immersion sleeve for solar temperature probe
7. Inspection port
8. Expanded polystyrene-thermal insulation
9. Cold water inlet (SBB 300 & 400 S/Plus)
10. Heat exchanger solar return
11. Solar/main heat exchanger
12. Heat exchanger solar feed
13. Heat exchanger boiler return (SBB 300, 400, 600 Plus)
14. Upper heat exchanger (SBB 300, 400, 600 Plus)
15. Heat exchanger boiler feed (SBB 300, 400, 600 Plus)
16. Warm water outlet / T&P relief valve location
17. Cold water inlet (SBB 600 Plus)
18. Circulation port
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