Technical Data; User Guide; Troubleshooting - OSO S 120 Installation And User Manual

Technical data • User guide • Warranty

Technical data

OSO product
S 120 - 3 kW
S 150 - 3 kW
S 200 - 3 kW
S 200 - 4,5 kW
S 300 - 3 kW
S 300 - 4,5 kW
SX 200 - 3(+3) kW
SX 200 - 4,5(+4,5) kW
SX 300 - 3(+3) kW
SX 300 - 4,5(+4,5) kW*
SC 150 - 3 kW + vx 0,8m²
SC 200 - 3 kW + vx 0,8m²
SC 300 - 3 kW + vx 0,8m²
*Fitted with a 3/4" connection for unmixed hot water

User guide

1
Hw
90
Guarantee - Unvented hot water cylinder
The OSO stainless steel inner vessel is guaranteed against material defect or manufacturing faults for a period of 10 years from the date of purchase. All other parts
including, but not limited to factory fitted electrical elements (damage caused by lime scale excluded), thermostats and valves are guaranteed against material defects
or manufacturing faults for 2 years from the date of purchase. In the event of a replacement component being required OSO Hotwater will supply such part(s) free
of charge and freight paid, on condition that the defective component is delivered, fright paid to OSO Hotwater within 2 weeks of written notice being given to OSO
Hotwater of the defect. Such replacement parts shall be guaranteed under the terms of this guarantee to the unexpired period of the aforementioned 2 year period.
This warranty is conditional upon the OSO cylinder being installed in compliance with the OSO Installation & Maintence Instructions, all current legislation, codes of
practice and regulations governing the installation of unvented hot water cylinders in force at the date of installation and provided that:
1. The water supply to the cylinder shall be in accordance with European Council Directive 98/83 EC at the date of installation and not be fed from a private water
supply. Pay special attention to:
Chloride content:
Sulphate content:
Combination Chloride/sulphate:
2. The OSO cylinder is filled with water before turning the electricity supply on to the heater elements.
3. If the newly fitted water heater is not in regular use then it must be flushed through with fresh water for at least 15 minutes (open at least one hotwater tap) once
per week, during a period of at least 4 weeks.
4. The mains water supply complies with EU standards current at the date of installation and is not fed with water from a private supply.
5. The OSO unvented cylinder has not been modified in any way other than by OSO Hotwater and is only used for the storage of potable water.
6. No factory fitted parts have been removed for unauthorised repair or replacement.
7. Defects caused by frost, excess pressure, salt dehardner process, trancient voltage, lightning strikes or incorrect installation, repair or use, are not covered by this war
ranty. A laboratory evaluation of possible defects can be ordered by the user, however the user must pay for this where the above mentioned conditions have not
been fulfilled. Evidence of the purchase date and the date of supply must also be submitted with your claim.
This guarantee does not confer any rights other than those expressly set out above and does not cover any claims for consequential loss or damage. This guarantee is
offered as an extra benefit and does not affect your statutory rights as a consumer.
D x H mm Weight / M³
ø 580 x 850 27 kg - 0,27 m³
ø 580 x 1005 30 kg - 0,36 m³
ø 580 x 1255 39 kg - 0,43 m³
ø 580 x 1255 39 kg - 0,43 m³
ø 580 x 1730 51 kg - 0,59 m³
ø 580 x 1730 51 kg - 0,59 m³
39 kg - 0,43 m³
ø 580 x 1255
ø 580 x 1255 39 kg - 0,43 m³
ø 580 x 1730 51 kg - 0,59 m³
ø 580 x 1730 51 kg - 0,59 m³
ø 580 x 1005 30 kg - 0,36 m³
ø 580 x 1255 50 kg - 0,43 m³
ø 580 x 1730 65 kg - 0,59 m³
2
• Important: Water in before power on!
• Filling up: Open A fully towards +
• Adjusting hw temperature: See diagramme on page 16.
Cw
Draining:
1. Disconnect the electric power supply
2. Close A by turning fully towards -
3. Open F to lifted position by turning counter-clockwise.
4. Open hot water taps, make sure water flows from F .

Troubleshooting:

• Not enough hw: Open A fully towards + . Increase the
• No hw: Check power supply. Press red reset button C
60
• F is dripping: Will happen if reduction valve is fitted.
• F is dripping after draining: Open F for 1 min. Snap shut.
• Water on the floor: Check all connections on A , E & F .
Max. 250 mg/l
Max. 250 mg/l
Max. 300 mg/l (in total)
Prod. No.
8080 1200
8080 1400
8080 1600
8080 1610
8080 1800
8080 1810
8080 2600
8080 2620
8080 2300
8080 2820
800 0801
800 0802
800 0803
When empty close F by turning counter-clockwise until
the valve snaps shut.
temperature setting on thermostat D .
Inspect pipes, fittings and faucets for leakage.
and turn D down approx. 5°. Re-fit the electric box cover.
If still no hot water contact an approved installer.
N
Subject to changes without notice
IMPORTANT WHEN FITTING UNIT:
1. The water heater should be installed in
a room equipped with gully. Otherwise
a water shut-off valve with sensor must
be fitted.
2. Maximum cold water inlet pressure is
6 bar. A pressure reduction valve
must be fitted if necessary.
3. The overflow pipe from the safety
valve must have an inner diameter of
at least 18 mm and must be led to a
gully, at a declining angle if possible.
Please note: Manufacturer responsibility
for any consequential damage only applies
when the above statements have been
followed. OSO recommends that the water
heater is fitted by authorized personnel.
IP21
Eng
15