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OSO SOLARCYL, Installation Manual, Page: 13 / 16

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OSO SOLARCYL Installation Manual Download Page 13

OSO FAULT FINDING GUIDE

Intermittent water discharge

Reduced Internal

expansion volume

Thermal control

failure

Recharge “air gap”.

Follow correct

procedure

Switch off power to

immersion heaters and 

boiler supply to the unit.

When discharge has

stopped check thermal 

controls and replace as

necessary

If problem still persists

contact a competent

engineer / plumber

No water flow from hot taps

If problem still persists

contact a competent

engineer

Mains supply off

Line strainer

blocked

Cold water PRV

incorrectly fitted

Open supply

valve

Clear line

strainer

Check and refit

as required

YES

YES

NO

NO

YES

YES

YES

-13-

Summary of Contents for SOLARCYL

Page 1: ...r to fitting any unvented unit This OSO cylinder must be installed by a competent person and be installed in compliance with the OSO Installation and Maintenance Instructions all current legislation codes of practice and regulations governing the installation of unvented hot water cylinders in force at the date of installation 1 PLEASE LEAVE THIS MANUAL WITH THE OSO UNIT AFTER INSTALLATION INSTALL...

Page 2: ...0020 80030 80030 10 11 12 13 14 15 16 17 18 19 20 Flexible Hose Secondary Return 1 2 BSPF Fit 1 2 F x 1 2 M x 15mm Tee piece Not supplied Commissioning Valve Fitting 1 2 MI Drain Cock Elbow Drain Cock Cable Entry Electrical Box Tee Piece Discharge Pipe Not supplied Motorised Valve Not Factory Fitted Solar sensor bosses Dip Pipe removeable 202108 250440 250445 250006 92000 KEY SOLAR INDIRECT Twin C...

Page 3: ...nted cylinder Major shower manufacturers advise fitting a mini expansion vessel in the pipework to accommodate thermal expansion and prevent tightening of shower controls 12 Before connecting the multibloc flush the cold supply pipework of all flux and debris 13 Connect the multibloc to the pressure reduction valve Multibloc 3 Hot water supply 14 Connect the hot water supply pipe to the outlet 9 E...

Page 4: ...unit Turn off the cold water supply valve Open hot water tap Open drain 13 The unit will drain Safety Cut out 1 The safety cut out operates if a Wiring is incorrect b The immersion heater thermostat or cylinder thermostat fails c Thermostat is set too high 2 Remember before resetting the safety cut out or altering the thermostat setting isolate electrical supply to the unit prior to removal of the...

Page 5: ...low arrows 5 The black plastic plugs in the body are pressure gauge connections to enable pressure monitoring to be carried out should the system develop a fault It is recommended that these be accessible the pressure reducing valve has two only one need be accessible 6 Expansion relief drain pipework must be connected to a safe visible discharge point via a tundish and the pipework must have a co...

Page 6: ...e visible position If any doubt refer to Building Regulation G3 Pressure reducing valve 1 Isolate the cold water supply 2 Unscrew the retaining nut of the valve The complete operating mechanism including the strainer can be removed 3 Clean the filter mesh and the cartridge under running water 4 Replace cartridge ensuring that strainer is correctly located and reassemble the unit Pressure Reducing ...

Page 7: ...omestic stored water via the cylinder thermostat which is located in the upper electrical box The unit should be installed on an S or Y plan system Cylinder temperature control can also be achieved via the solar thermostat when the boiler is not operational Please follow the instructions carefully All electrical connections must conform to current IEE wiring regulations The working thermostat is a...

Page 8: ...ICAL BOX For Other Boilers Refer To Boiler Manufacturer 8 The wiring plan shown is based on the use of a 10 way Junction Box Honeywell Part no 42002116 001 Junction Box terminal 10 is switched live and if needed terminal 9 is pump live ...

Page 9: ... Honeywell ST 6300 Programmer 24 Hr ST 6360 Room stat Mains HTG Valve V4043H DHW Valve V4043H Immersion Heater Immersion Heater Thermostat Coil Thermostats 71255 80020 80030 Electrical spare parts Pump Collector Sensor Cylinder Sensor Solar Controller WIRING SCHEMATIC LOWER ELECTRICAL BOX Thermostat Sensor Pocket Thermostat Pocket Sensor Collector FIGURE 1 FIGURE 2 FIGURE 3 FIGURE 4 ...

Page 10: ...Manufacturer Y Plan Wiring Layout 10 UPPER ELECTRICAL BOX The wiring plan shown is based on the use of a 10 way Junction Box Honeywell Part no 42002116 001 Junction Box terminal 8 is switched live and if needed terminal 10 is pump live ...

Page 11: ...9 2 1 8 3 ST 6360 Room stat Mains V4073A1039 DHW Valve V4043H 1 2 3 4 5 6 7 8 9 10 Y Plan System Schematic 11 Immersion Heater Immersion Heater Thermostat Coil Thermostats 71255 80020 80030 Electrical spare parts Pump Collector Sensor Cylinder Sensor Solar Controller WIRING SCHEMATIC LOWER ELECTRICAL BOX Thermostat Sensor Pocket Sensor Pocket Sensor Collector FIGURE 1 FIGURE 2 FIGURE 3 FIGURE 4 ...

Page 12: ...ck and reset button See thermostat diagram page 9 and safety cut out on page 4 of installation manual 4 Check and set to hot water 5 Check boiler operation If fault suspected consult installer or boiler manufacturer 6 As at No 2 7 Check wiring and or plumbing connections to motorised valve See pages 8 or 10 of the installation manual Intermittent water discharge 1 Reduced internal expansion 2 Ther...

Page 13: ...pply to the unit When discharge has stopped check thermal controls and replace as necessary If problem still persists contact a competent engineer plumber No water flow from hot taps If problem still persists contact a competent engineer Mains supply off Line strainer blocked Cold water PRV incorrectly fitted Open supply valve Clear line strainer Check and refit as required YES YES NO NO YES YES Y...

Page 14: ... valve operating correctly Check wiring or plumbing connections Check and reset button Has cylinder thermal cut out operated Is the boiler working NO NO YES YES YES YES NO Thermostat Solar controller set too high Reduce Temperature setting Faulty Thermostat replace Is Thermostat wired as per layouts for S or Y plan installation Is 2 port motorised valve closing when cylinder reaches temperature Co...

Page 15: ...s of cylinder and expansion vessel capacities for a range of pressure settings 4 The expansion vessel must be suitable for potable water and charged to the same pressure as the pressure reducing valve 5 If the cylinder is to be used in this manner ignore the filling procedure on page 4 Leave one hot tap open Open the cold water supply valve When water appears at the open hot tap close the tap Open...

Page 16: ...RGE SECONDARY RETURN Downward discharges at low level i e up to 100mm above external surfaces such as car parks hard standings grassed areas etc are acceptable providing that where children may play or otherwise come into contact with discharges a wire cage or similar guard is positioned to prevent contact whilst maintaining visibility 5 6 4 3 2 1 HOT TAPS HOT OUTLET COLD INLET FIGURE 4 1 Secondar...

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