Rointe D Series Instruction Manual
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Rointe D Series Instruction Manual

Rointe D Series Instruction Manual

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D Series with
DELTA Ultimate
technology
Water Heater

Instruction Manual

Assembly, installation, start-up
and operating instructions

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Summary of Contents for Rointe D Series

  • Page 1: Instruction Manual

    D Series with DELTA Ultimate technology Water Heater Instruction Manual Assembly, installation, start-up and operating instructions...
  • Page 2 Thank you. Many thanks for your confidence in our Rointe products. Before you start to use the low-consumption digital electrical D Series with Delta Ultimate technology water heater we recommend that you read this manual carefully in order to use the product correctly...

  • Page 3: Table Of Contents

    3. GENERAL REQUIREMENTS ..............8 4. PLUMBING INSTALLATIONS..............11 5. ELECTRICAL INSTALLATION ..............19 6. FILLING AND COMMISSIONING............22 7. DESCRIPTION OF THE D SERIES WATER HEATER ......23 7.1. Description of the front panel ............24 7.2. Switch On and Off (Stand By) ............26 7.3. Select Temperature................27 7.4.

  • Page 4: Introduction

    1. INTRODUCTION The D Series electric water heater is a high quality unvented enam- elled steel domestic hot water cylinder suitable for domestic hot water systems where the cold mains water supply has a maximum supply pressure of 0.9 MPa. Reduced performance is available at lower pressures but the units are not suitable for pressures lower than 0.15 MPa and flow rate of 20 litres per minute.
  • Page 5 D Series with DELTA Ultimate technology TECHNICAL SPECIFICATIONS - 50L, 75L & 100L MODEL NUMBER DWI050DHW2 DWI075DHW2 DWI100DHW2 System operating pressure (pre-set) (MPa) Expansion vessel charge pressure 0.15 0.15 (MPa) Expansion relief valve set pressure (MPa) Temperature and pressure relief valve settings: Lift pressure (MPa) Lift temperature (ºC)
  • Page 6 TECHNICAL SPECIFICATIONS - 150L & 200L MODEL NUMBER DWI150DHW2 DWI200DHW2 Storage capacity (l) Power (W) 2,400 2,400 Depth (mm) Width (mm) Overall height incl T/P valve 1,060 1,220 Height excl T/P valve 1,120 Weight when full (kg) Cold feed/hot draw off connections (mm) Maximum water supply pressure (MPa)
  • Page 7 (min) Reheat time for 70% of contents (min) 2.1. Component Check List The D Series water heater comes with the following components. Please check through the components supplied and ensure that all parts are present: • Water Heater with sheathed heating elements, digital thermostat, TFT screen and manual reset thermal cut-out •...

  • Page 8: General Requirements

    3. GENERAL REQUIREMENTS 3.1. The D Series domestic hot water cylinder MUST be installed by a competent person in accordance with section G3 of the current Building Regulations. 3.2. Important It is important that the installer reads and understands these instructions and unpacks and familiarises themselves with the equipment before commencing the installation.
  • Page 9 D Series with DELTA Ultimate technology 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 adequate power supply for connecting the sheathed heating elements.
  • Page 10 100 mm 100 mm Figure 1 - Minimum margins for servicing and repairs. The distance between holes for the wall mounting depends on the model, see the following table for reference: Model DWI050DHW2 DWI075DHW2 DWI100DHW2 Horizontal width between 350 mm 350 mm 350 mm holes...

  • Page 11: Plumbing Installations

    D Series with DELTA Ultimate technology 3.6. Storage and handling If the cylinder is not being installed immediately, it should remain in its box with all pipe end protective caps in situ to prevent damage. We recommend that the cylinder be transported to its installation position with the outer box in place.

  • Page 12: Tundish

    4.2. Electrolytic fittings The electrolytic fittings (Fig. 2 - Pt. 11) must be fitted to the water heater. If not, the guarantee will be void. Check the T/P Relief Valve (Fig. 2 - Pt. 10) to ensure it is connected with the electrolytic fittings.
  • Page 13 D Series with DELTA Ultimate technology Water Flow to tap Cold water inlet water Outlet To tap Figure 2 D Series Cylinder Connection Arrangement...

  • Page 14: Tundish

    Figure 2 - D Series Cylinder Connection Arrangement 1 Mains cold water supply 2 Stop cock (not supplied) 3 Pressure reducing valve * 4 Check valve * 5 Expansion relief valve * 6 Discharge pipe 22 mm 7 Drain cock (not supplied)

  • Page 15: Tundish

    D Series with DELTA Ultimate technology 4.7. Expansion vessel A suitable expansion vessel (Fig. 2 - Pt. 9) with a pre-charge pressure of 0.15 or 0.3 MPa is available in an optional kit for fitting to all water heating units in the range. The expansion vessel MUST be fitted to the safety group.

  • Page 16: Tundish

    so on. Bends must be taken into account in calculating the flow resistance. Refer to the diagram, tables and worked example detailed below. Safety device (Eg: Temp relief valve) Metal discharge pipe from temperature relief valve to tundish 600mm TUNDISH 300mm MIN Discharge below xed grating...

  • Page 17: Tundish

    D Series with DELTA Ultimate technology (d) Have discharges visible at both tundish and the final point of discharge, but where this is not possible or practically difficult, examples of acceptable discharge arrangements are: • Ideally below a fixed grating and above the water seal in a trapped gully.

  • Page 18: Tundish

    WARNING! The discharge will consist of scalding water and steam. Asphalt, roofing felt and non-metallic rainwater goods may be damaged by such discharges. SIZING OF COPPER DISCHARGE PIPE “D2” FOR COMMON TEMPERATURE RELIEF VALVE OUTLET SIZES resistance Min size of allowed, Valve outlet Min size of...

  • Page 19: Electrical Installation

    D Series with DELTA Ultimate technology with a discharge pipe (D2) having 4 22mm elbows and a length of 7m 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...
  • Page 20 WARNING! DO NOT SWITCH ON THE ELECTRICITY SUPPLY UNTIL INSTRUCTED TO DO SO IN THE COMMISSIONING PROCEDURE AND ONCE THE UNIT IS FULL OF WATER. Wiring diagram - D Series water heater. COLD THERMAL CUT OUT HEATING ELEMENTS EARTH...
  • Page 21 D Series with DELTA Ultimate technology HEATING ELEMENTS THERMAL CUT OUT EARTH CONNECTION BLUE BLUE SENSOR BLACK Figure 4 - Assembly schematic.

  • Page 22: Filling And Commissioning

    6. FILLING AND COMMISSIONING 6.1. Check that the expansion vessel charge pressure is 0.15 or 0.3 MPa. 6.2. Check that all water and electric connections are correctly configured. 6.3. Open the main stopcock and fill the unit. Open successive hot taps starting with the tap furthest from the heater.

  • Page 23: Description Of The D Series Water Heater

    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 ready for use. 7. DESCRIPTION OF THE D SERIES WATER HEATER...

  • Page 24: Description Of The Front Panel

    7.1. Description of the front panel ICON INDICATION On / Off - Accept Decrease temperature - Move left Increase temperature - Move right Access / Return to Menu - Move up Access programming Menu - Move down 7.1.1 TFT Display...
  • Page 25 D Series with DELTA Ultimate technology NUM. INDICATION Hours programmed - AUTO Days of the week Time Selected temperature Locking the control panel Manual / Automatic / Pilot wire functions Comfort / Economy / Anti-frost modes Net connection status Heating Element in operation...

  • Page 26: Switch On And Off (Stand By)

    Locked through radiator control panel. Remote lock. Locked through IR remote control or Rointe Connect App 7.2 Switch On and Off (Stand-by) The D Series with DELTA Ultimate technology water heater is switched on or off using the button. The DELTA Ultimate following welcome appears on the TFT screen when the water heater is switched on.

  • Page 27: Select Temperature

    7.4 Locking the control panel You can lock the product from the actual control panel of the water heater or remotely via the Rointe Connect App or the Air Control remote control. On the product control panel you can lock the keypad by pressing and holding down the buttons at the same time for 3 seconds.

  • Page 28: Adjust Date And Time

    It is possible to change the time on the water heater from the control panel. However it is better to wait for the automatic synchronization once the product has been paired with the Rointe Connect app and the product is connected to the E-Life technology servers.

  • Page 29: Main Menu

    7.6 Main menu Press the button to access the main menu of your D Series with DELTA Ultimate technology water heater. You can move between the different options on the menu by pressing the buttons. The sub-menu which you have selected will be highlighted with a frame.
  • Page 30 • Screen backlight function This function allows you to change the brightness of the screen in the STAND-BY and BACKLIGHT (ON) modes. We can change between the 2 modes by using the buttons. We can increase or decrease the brightness by using the buttons.
  • Page 31 D Series with DELTA Ultimate technology Pairing your product with the Rointe Connect App In order to pair your Rointe D Series with DELTA Ultimate technology product(s) with your local WI-FI signal, please follow the instructions in the attached document “Delta Ultimate technology.
  • Page 32 7.6.2 Energy Sub-menu The Energy Sub-menu allows access to the functions relating to the energy management of the product. Select the icon from the main menu by using the buttons. Press to access this screen. The following icons allow you to access distinct sub-menus: Anti Effective Water heating...
  • Page 33 D Series with DELTA Ultimate technology • Anti legionnaire´s disease The water heater is automatically set to over 60ºC for at least one hour once a week. Whilst this mode is active, you will see the following screen. ANTILEGIONAIRE’ S...
  • Page 34 • Information This option shows the software version, the release date and the nominal power of the product. Select the icon by using the buttons, then press the button to confirm. To POWER 2400W exit from the information screen, press This option shows the status of the WIFI connection, the IP address, subnet mask and WIFI STATUS...
  • Page 35 D Series with DELTA Ultimate technology 7.6.3 Balance Sub-menu The balance sub-menu forces the water heater to work in manual mode at a constant 19ºC. Select the icon from the main menu using buttons. Press the button to confirm. By pressing this button the water heater will return to the main screen with a set temperature of 55ºC and the...
  • Page 36 What are the manual, automatic and pilot wire modes? Manual Mode This mode allows you to change between comfort, eco and anti-frost modes changing the temperature as described in section 7.3. Automatic Mode This mode activates the programming which has been set in the water heater.
  • Page 37 D Series with DELTA Ultimate technology • Manual/Automatic Function Press the button to change between the Manual and Automatic modes. On the main screen the symbol will appear in Automatic mode and the symbol will appear in Manual mode. The Automatic Mode will activate the programming which you have already set in the product.
  • Page 38 Select the ECO temperature Continue and select the ECO temperature, between 40ºC and 54.5ºC. The symbol and the temperature will flash. Press to confirm. Select DAYS After pressing the button, the days of the week will flash showing the days as Day1, Day 2 etc. We can use the buttons to go forwards or backwards through the days.
  • Page 39 D Series with DELTA Ultimate technology • User Function To access the User Function, use the buttons to select the icon and confirm by pressing USER Function This allows the user to establish a limited working temperature range (maximum and minimum temperature).
  • Page 40 INSERT PIN Enter the PIN to access. The default PIN number is 0000. CANCEL Select the numbers by using the buttons and confirm by pressing Press OK to access. If the pin number is wrong then the words “INCORRECT PIN” will appear on the screen.
  • Page 41 D Series with DELTA Ultimate technology • Activate function Allows you to activate or deactivate the USER USER function. Select ON to activate or OFF to FUNCTION deactivate the function by using the buttons. Once the chosen mode has been selected, press to select and exit.
  • Page 42 • Maximum temperature This allows you to set the maximum working temperature of the water heater. Using the UPPER TEMPERATURE buttons you can increase or reduce the LIMIT 65.0ºC temperature between 55ºC and 73ºC. Press to exit once the desired temperature has been chosen.

  • Page 43: Advanced Functionality

    D Series with DELTA Ultimate technology WARNING! The Pilot Wire function only allows you to control your heating via the pilot wire programmer not via the Rointe Connect App. 8. ADVANCED FUNCTIONALITY 8.1. Anti Legionnaire’s Disease Our D Series is designed with safety in mind, and all the anti legionnaires’...

  • Page 44: Fuzzy Logic Energy Control

    When the water in the tank is not yet at the user- defined target temperature indicated on the TFT screen, a percentage value is displayed. This represents the heating progress towards this target temperature. 9. FUZZY LOGIC ENERGY CONTROL This product includes Fuzzy Logic Energy Control® technology to efficiently manage the energy consumption of the water heater.

  • Page 45: Servicing And Maintenance

    11.2. Before any work whatsoever is carried out on the installation, it MUST first be isolated from the mains electricity supply. 11.3. Only use spare parts authorised by Rointe. The use of other parts will invalidate the warranty. 11.4. Drain the cylinder – When draining the cylinder, always switch off the water heater.
  • Page 46 11.7. Check the charge pressure in the expansion vessel and top up as necessary. The charge pressure should be 0.15 or 0.3 MPa. 11.8. Close the drain cock, disconnect the hose, refit the heating element and close all hot water taps before reopening the stopcock. Allow the cylinder time to fill whilst checking for any leaks.

  • Page 47: Fouldt Finding

    D Series with DELTA Ultimate technology 12. FAULT FINDING Notice: Disconnect electrical supply before removing any electrical equipment cover. FAULT POSSIBLE CAUSE REMEDY Mains supply off. Open stopcock. Strainer in pressure Turn water supply off, reducing valve remove strainer and clean.

  • Page 48: Guarantee

    13.2. In addition Rointe also guarantees the hot water cylinder for a period of 5 years from the date of purchase against faulty material or manufacture provided that:...
  • Page 49 D Series with DELTA Ultimate technology h) Maintenance must be carried out every year to retain the guarantee. 13.3. EXCEPTIONS: The following cases state exceptions from the present guaranteed cover, for which all repairs will be charged to the user: Damage caused deliberately, through negligence, or wrong use of the water heater by the client or third parties.
  • Page 50 In the event of any problems, you can contact ROINTE on its TECHNICAL ASSISTANCE HELPLINE 01432 598 024 or e-mail us at support@rointe.co.uk.
  • Page 51 D Series with DELTA Ultimate technology DIMENSIONS AND TECHNICAL CHARACTERISTICS REFERENCE DWI050DHW2 DWI075DHW2 DWI100DHW2 DWI150DHW2 DWI200DHW2 CAPACITY (L) 2,400 2,400 2,400 2,400 2,400 POWER (W) 230 V~ 2 x 1,200 W 2 x 1,200 W 2 x 1,200 W 2 x 1,200 W...
  • Page 52 The symbol of the container crossed out over a horizontal line is marked on all of ROINTE’s products to remind the consumer of the obligation to separate them on disposal.The consumer should contact the local authority or original...

  • Page 53: Installation, Commissioning And Service Record

    D Series with DELTA Ultimate technology 14. INSTALLATION, COMMISSIONING AND SERVICE RECORD CUSTOMER 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.
  • Page 54 SERVICE RECORD DETAILS Before completing the appropriate Service Interval Record below, please ensure you have carried out the service as described in the manufacturer’s instructions and in compliance with all relevant codes of practice. It is recommended that your hot water system is serviced regularly and that your service engineer completes the appropriate Service Interval Record below.
  • Page 60 ROINTE UK Catalyst House 720 Centennial Court, Centennial Park Elstree, Herts, WD6 3SY T. 01432 598 019 F. 0208 953 5861 Technical Support T. 01432 598 024 support@rointe.co.uk www.rointe.co.uk...

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