SOLAR
UNVENTED WATER HEATERS
Installation and Operation Manual
Important -This Manual Should Be Left With The Cylinder After Installation
Page 1: ...SOLAR UNVENTED WATER HEATERS Installation and Operation Manual Important This Manual Should Be Left With The Cylinder After Installation...
Page 2: ...quirements 5 5 Primary circuit installation 6 6 Secondary circuit installation 6 7 Discharge arrangement 8 8 Electrical installation 10 9 Filling and commissioning 11 10 Servicing and maintenance 12 1...
Page 3: ...42 542 542 542 542 542 Solar Return mm 380 380 380 380 380 380 380 380 Cold Inlet mm 300 300 300 300 300 300 300 300 solar Coil size sqm 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Aux Coil size sqm 0 75 0 75 0 7...
Page 4: ...4 2 2 Connection 2 2 1 SOLAR Indirect 2 2 2 Single Coil Direct Electric...
Page 5: ...it to function but flow from the outlets will be low if several outlets are used simultaneously Correct performance is achieved with supplies between 3bar and 12bar The cylinder control equipment is f...
Page 6: ...nce with the solar installation instructions for connection to the primary flow and return 5 3 Two port Motorised valves The SCx Solar range of cylinders must only be connected to solar installations...
Page 7: ...ve should be connected to the secondary return of the cylinder See fig 4 1 4 2 IMPORTANT If a secondary circulation circuit is installed then a larger expansion vessel may be required to handle the in...
Page 8: ...lity at one or other of these locations Examples of acceptable discharge arrangements are Ideally below a fixed grating and above the water seal in a trapped gully Downward discharge at low level i e...
Page 9: ...diameter temperature relief valve with a discharge pipe D2 having 4 elbows and a length of 7m from the tundish to the point of discharge From the table above the maximum resistance allowed for a strai...
Page 10: ...the following should also be observed 8 2 1 Ensure the mains voltage corresponds to the voltage rating of the immersion heater as shown on the rating label on the terminal cover 8 2 2 Insert the imme...
Page 11: ...3 8 4 The Power Supply to the pump station should be connected via the lower 9 Filling and commissioning 9 1 Check that the expansion vessel charge pressure is 3bar 9 2 Check that all connections are...
Page 12: ...k that the immersion or boiler switches off when the cylinder reaches the desired temperature 10 Servicing and maintenance 10 1 Servicing and maintenance must only be carried out by a competent unvent...
Page 13: ...ked 3 Pressure reducing valve PRV fitted the wrong way 1 Open stopcock 2 Turn water supply off remove strainer and clean see 10 6 3 Re fit with arrow pointing in direction of flow Water from hot taps...
Page 14: ...ntrols supplied with the cylinder excluding the immersion for a period of 5 years from the date of purchase provided that they have been installed for their intended use by a competent person and have...
Page 15: ...m straight tundish SC06004 3kW Immersion heater SC070011 or SC070012 22mm Pressure reducing valve kit SC07015 22mm 2 port motorised valve SC06005 Twin Cylinder Thermostat SC06006 For assistance please...
Page 16: ...f practice It is recommended that your hot water system is serviced regularly and that your service engineer completes the appropriate Service Interval Record below SERVICE 1 DATE SERVICE 2 DATE ENGIN...
