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RD SERIES

Digital Electric Water Heater

Wall-hung Unvented

INSTALLATION

MANUAL

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Summary of Contents for RD SERIES

Page 1: ...RD SERIES Digital Electric Water Heater Wall hung Unvented INSTALLATION MANUAL ...

Page 2: ...e most stringent quality controls in order to comply with the most rigorous requirements for safety Thanks to its exclusive ROINTE Optimizer Energy Plus technology the electric water heater achieves the maximum energy saving Before using the electric water heater we recommend you read this manual carefully in order to obtain proper operating information IMPORTANT THIS MANUAL SHOULD BE LEFT WITH TH...

Page 3: ...tions 04 3 General Requirements 05 4 Plumbing Installation 06 5 Electrical Installation 10 6 Filling and Commissioning 11 7 Servicing and Maintenance 11 8 Fault Finding 12 9 User Instructions 13 10 Guarantee 16 11 Installation Commissioning and Service Record 17 ...

Page 4: ...4 256 Cold feed hot draw off connections mm 15 15 15 22 22 Maximum water supply pressure MPa 0 9 0 9 0 9 0 9 0 9 System operating pressure pre set MPa 0 6 0 6 0 6 0 6 0 6 Expansion vessel charge pressure MPa 0 15 0 15 0 3 0 3 0 3 Expansion relief valve set pressure MPa 0 6 0 6 0 6 0 6 0 6 Temperature and pressure relief valve settings Lift pressure MPa 0 7 0 7 0 7 0 7 0 7 Lift temperature ºC 90 90...

Page 5: ...tings All taps and fittings incorporated in the unvented system should have a rated operating pressure of 0 7 MPa or above 3 5 Location The unit is designed to be vertically wall mounted indoors in a frost free environment When choosing a suitable location for the cylinder consideration should be given to the routing of the discharge pipe to a convenient point and also the availability of an adequ...

Page 6: ...ith a maximum supply pressure of 0 9 MPa The cylinder should not be used on any system with a supply pressure below 0 15 MPa and a flow rate of less than 20 litres per minute 4 3 Temperature and pressure relief valve The temperature and pressure relief valve T P Valve is supplied Once the T P valve is fitted should not be removed from the cylinder or tampered with in any way The valve is pre calib...

Page 7: ...se proximity of any electrical current carrying devices or wiring The installation should conform with the requirements of item 4 9 below 4 8 Connection arrangement for RD Series Cylinder Water Flow To taps Cold water Inlet Hot water Outlet 1 2 5 3 4 300 MIN 100 MAX 6 9 8 7 10 1 Mains cold water supply 2 Stop cock not supplied 3 Pressure reducing valve 4 Check valve 5 Expansion relief valve 6 Disc...

Page 8: ...oviding that where children play or otherwise come into contact with discharges a wire cage or similar guard is positioned to prevent contact whilst maintaining visibility Discharge at high level e g into a metal hopper and metal down pipe with the end of the discharge pipe clearly visible Tundish visible or not or onto a roof capable of withstanding high temperature discharges of water and 3 m fr...

Page 9: ...valve with a discharge pipe D2 having 4 22mm elbows and a length of 7 m from the tundish to the point of discharge The maximum resistance allowed for a straight length of 22mm copper discharge pipe D2 from a diameter temperature relief valve is 9 0 m Subtract the resistance for 4 No 22mm elbows at 0 8 m each 3 2 m Therefore the maximum permitted length equates to 5 8 m 5 8 m is less than the actua...

Page 10: ...r supply to the heater must be via a double pole isolator switch or controller having contact separation of at least 3 mm using 1 5 mm sq flexible cable to comply with BS 6141 and must be fully earthed In case of an electric problem check that the wiring follows the diagram below i The Earth wire is connected to the terminal on the cylinder marked with the earth symbol ii The Live wire is connecte...

Page 11: ...ure and pressure relief valve If water does exit through the valves check the expansion vessel pressure and installation 6 10 Increase the temperature to maximum and allow the unit to heat and the temperature to stabilise Check that no water discharges from the valves Turn on the hot taps to drain the heater of hot water Set the thermostat to the required temperature and allow the heater to reheat...

Page 12: ...g isolate the heater from the mains supply investigate and identify the cause of the operation of this cut out rectify the fault before manually resetting the cut out via the reset button on the cut out Finally switch the mains electricity supply back on 8 Fault Finding Notice Disconnect electrical supply before removing any electrical equipment cover FAULT POSSIBLE CAUSE REMEDY No hot water 1 Mai...

Page 13: ...9 4 If water is seen dripping through the tundish at any time switch off the electricity supply immediately and call the installer or the Rointe customer service department on the number listed at the end of this guide 9 5 Front panel description The following image shows how the front panel of the water heater looks 9 5 1 Front panel indicators SECTION DESCRIPTION Set temperature indicator Amount...

Page 14: ...t the temperature by pressing the buttons and When pressing the button the temperature setting is increased You will hear a beep and the LED will light up the display starting from the left at anti frost and advancing to the right 80ºC The temperatures that can be set and seen on the display are shown in the following table DISPLAY TEMPERATURE 8º 40º 50º 60º 80º In order to decrease the set temper...

Page 15: ...t to its maximum temperature for an hour whilst this mode is active you will se the 80ºC temperature led blinking 9 11 Optimizer Energy Plus This product includes Optimizer Energy Plus technology to efficiently manage the energy consumption of the water heater 9 12 Fault Warnings During normal equipment use without any intervention by the user it is possible to detect faults which are shown using ...

Page 16: ...ny salt deposits e It has been installed indoors in a frost free environment f The warranty card is completed and returned to Rointe within 90 days of installation This warranty is not transferable This warranty does not include claims due to frost or lime scale damage Proof of purchase will be required against any claim This guarantee does not affect your statutory rights For help about the RD Se...

Page 17: ...1 4 1 9 2 3 PLACEMENT Vertical Vertical Vertical Vertical Vertical WATER INTAKE inches 1 2 1 2 1 2 3 4 3 4 WEIGHT kg 18 25 32 44 56 DIMENSIONS mm A 640 860 1 100 900 1 070 B 680 925 1 170 960 1 120 C 404 404 404 580 580 D 404 404 404 580 580 E 420 420 420 620 620 F 120 120 120 178 178 G 340 573 768 490 670 H 215 230 275 355 355 I 555 803 1 043 845 1 025 J 160 160 160 235 235 K 350 350 350 350 350 ...

Page 18: ...R DETAILS NAME ADDRESS TEL No INSTALLER DETAILS COMPANY NAME DATE ADDRESS TEL No INSTALLER NAME REGISTRATION No COMMISSIONING ENGINEER IF DIFFERENT COMPANY NAME DATE ADDRESS TEL No INSTALLER NAME REGISTRATION No CYLINDER DETAILS MODEL CAPACITY litres SERIAL NO ...

Page 19: ...opriate Service Interval Record below SERVICE 1 DATE SERVICE 2 DATE SERVICE ENGINEER SERVICE ENGINEER TEL NO TEL NO REGISTRATION NO REGISTRATION NO SIGNATURE SIGNATURE SERVICE 3 DATE SERVICE 4 DATE SERVICE ENGINEER SERVICE ENGINEER TEL NO TEL NO REGISTRATION NO REGISTRATION NO SIGNATURE SIGNATURE SERVICE 5 DATE SERVICE 6 DATE SERVICE ENGINEER SERVICE ENGINEER TEL NO TEL NO REGISTRATION NO REGISTRA...

Page 20: ...ROINTE UK Catalyst House 720 Centennial Court Centennial Park Elstree Herts WD6 3SY CUSTOMER SERVICE T 0845 604 5987 FAX NUMBER F 0208 953 5861 e mail rointe rointe co uk www rointe co uk MIRDI12V1 ...

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