beko BWI 38 MDW Electric Water Heater User Manual

Electric Water Heater
User manual  BWI 38 MDW
BWI 45 MDG
BWI 45 MDGR

BWI 38 MDW Electric Water Heater

Please read this user manual first!
Dear Customers,
Thank you for selecting an Beko product. We hope that you get the best results from your product which has been manufactured with high quality and state-of- the-art technology. Therefore, please read this entire user manual and all other accompanying documents carefully before using the product and keep it as a reference for future use.
If you handover the product ta someone else, give the user manual as well. Follow all warnings and information in the user manual.
Meanings of the symbols
Following symbols are used in the various section of this manual:
Important information and useful hints about usage.
WARNING: Warnings for dangerous situations concerning the safety of life and property.
Warning for electric shock.
Warning for fire.
This product has been produced in environmentally-friendly, state-of-the-art facilities.

Parts identification

Note : (*) For PUMP MODEL only, For accesory depend on the model

1. Front Cover
2. LEDIndicators
3. Test&Reset Button
4. PumpKnob
5. Temperature Control Knob
6. StopValve
7. Rail Support / Wall Bracket
8. Handshower
9. Adjustable Shower Holder
10.  Slider Rail
11.  PVCHose
12. Heater Base
13. Thermostat
14. Heater Tank| 15. PCBBoard (Test & Reset)
16. Terminal Block
17. Main PCB Board
18. water Outlet Connection
19. DCPump
20. TRIAC
21. Water Inlet Connection
22. Reed Switch Assy
23. Mesh Filter
24. Pump Control PCB Board
25. SMPS Board
26. Shower Bracket
27. SoapTray
---|---

Important safety information

Warning!
1.1 Products manufactured by us safe provided they are installed, used and maintained in good working order in accordance with our instruction and recommendations. Always refer to this manual if you have any doubt.
1.2 The appliance must be earthed.
Improper grounding could cause lectric shock.
1.3 If any of the following conditions occur, immediately switch off the mains and contact the saled agent for repair.
Never attempt to repair the unit yourself.
1.3.1 If the Heater begins to make an odd noise, smell or smoke.
1.3.2 ELCB and Heater lamp does not light up.
1.3.3 Water temperature can not be controlled.
1.3.4 If the Heater shows signs of a distinct change in performance/
1.3.5 If found water leakage from inside.
1.4 For pump Model, it it highly recommended to connect the Water Inlet Connection to tank storage supply otherwise it may cause damage to the Pump Motor.
1.5 When the Shower is used by someone such as child, elderly person, sick person and physically handicapped person, the concern person is kindly requested to pay attention and check the shower temperature by using hand from time to time. User is advised to test and adjust the water temperature before bathing.
1.6 In time of lightning/thunder, switch “off” the electric supply to the shower unit in advance to protect the shower unit against possible damage.
1.7 Metallic/chrome hose and conductive control valve shall not be used. (Malaysia only)
Note: When removing the unit from package, small amount of water may found inside. This is normal as the unit is tested during manufacturing process.

Caution!
2.1 Installation must be carried out by a qualified personnel and in compliance to the local authority requlations.
2.2 This heater must be permanently connected to the direct main current supply. The use of a plug and socket is not recommended.
2.3 For the correct size of wire conductor corresponding to different electrical loading. Please refer to Table 1.
2.4 This heater operates at a minimum water flow rate of 2.0ltr/min and maximum working pressure of 6 bars.
For direct connection to the water tank, the heater must have a minimum of 1.0m below the water tank.
2.5 This heater will not function if there insufficient water flow (min 2.0ltr/min) to trigger the flow switch.
2.6 The built-in ELCB will automatic cut off the power supply in case thereis a current leakage as low as 15mA.
2.7 The thermostat will automatic cut off the power supply if it has sensed an abnormal rise in showering water temperature.

Diagram for heater unit installation

Heater unit installation diagram

Install the heater unit

Heater Unit Installation (Fig. 2a)

1. Select a suitable position in the bathroom.
2. Pull out the Temperature Control Knob and then remove the screw (A) at the bottom of the unit.
3. Remove the Front Cover from the bottom and then lift up the front cover.
4. Insert the wall plugs and mount the Heater firmly in position with the screws provided.

Shower Accessories with Sliding Rail (Fig. 2b)

1. Mark 2 screw points of the Slider Rail beside the heater. It is recommended that the top of the portion is in level with the top of Heater.
2. Use 6mm diameter drill and make the wall plug holes in depth of 34mm.
3. Insert the Shower Holder and Soap Tray into the Slider Rail.
4. Mount the Slider Rail to the Rail Bracket.

Shower Bracket Accessories (Fig. 2c)

1. Mark 2 screw points of the Shower Bracket beside the water heater.
2. Use 6mm diameter drill and make the wall holes in depth of 34mm
3. Screw the bracket to position.

Rain Shower Accessories Installation

1. RAIL BRACKET
2. OPEN THE RAIL BRACKET COVER BY TURNING ANTI CLOCKWISE
3. RAIL BRACKET COVER COME-OUT

Step 1
Insert the Top Rail Bracket, Adjustable Shower Holder & Bottom Rail Bracket to the Slider Rail. Step 2
Connect the Selector Valve to the bottom of the Slider Rail. Step 3
Select a suitable position for the Rain Shower Set then mark 4 screw points (2 on top and 2 at bottom).
The gap of 2 screw hole is 38mm. It is recommended that the Top rail Bracket is positioned at height of 1950mm from the floor and Bottom Rail Bracket 300mm from the floor. Step 4
Use 6mm diameter drill and make the wall plug holes to 34mm depth.
Insert the wall plugs and mounting terminal firmly in position with the screw provided. Step 5
Mount the Slider Rail (connected with Rail Bracket, Adjustable Shower Holder and Selector Valve) to the mounting terminal by turning the terminal cover. Step 6
Connect the Rain Shower Head to the top of the Slider Rail, 1.5 Meter PVC Hose to Hand Shower Head and 1 Meter PVC Hose to the Heater. Please make sure the Rubber Washer in inserted  Step 7
Recommended height for Rain Shower Set.

Plumbing procedure

Caution!
For Single point heater, the ‘Water Outlet’ can only be fitted to the Hose and Handshower set provided. NO CONTROL VALVE OR FITTING CAN BE FITTED TO THE WATER OUTLET.

1. Connect the Stop Valve to the Water Inlet with washer. Use correct tools to tighten and be cafeful not to over tighten and damage the plastic nut.

2. Connect the incoming water piping (172″ BSP) to the Stop Valve. Make sure to put the Mesh Fliter between Stop Valve and incoming water piping.

3. If any case, the Stop Valve is not use or ommited, make sure to put the Mesh Filter between the heater unit inlet pipe and incoming water pipe.
   Important
   For Pump model, it must never be connected to a Direct Main Water Supply, otherwise it will cause damage to the pump motor. It is recommended to connect the water supply from tank only.

4. Turn on the water mains to drain out all plumbing dirts and to fill up the heater tank. THE HEATER TANK MUST BE FILLED UP WITH WATER BEFORE TURN ON THE ELECTRICITY SUPPLY.
   THIS IS TOPREVENT ANY DRY BURNT DAMAGE TO THE HEATING ELEMENT.

5. Connect the PVC Hose and Hand- shower to the outlet of the Heater, be sure to put in the water.

6. Hook the Handshower to the Slider Rail Shower Holder and adjust to your ideal position.

7. Check for any water leakage.

8. Do not use white tape during installation.

Warning!

• THE WATER INLET AND OUTLET MUST BE INSTALLED CORRECTLY, OTHERWISE THE HEATER CAN NOT FUNCTION.
• DO NOT USE PLUMBING CEMENT ON CONNECTION. IF NECESSARY, USE ONLY THREAD OR SEALING TAPE.

Electrical installation

Warning!

1. This appliance must be EARTHED. Improper grounding could cause electrical shock.
2. Remember to SWITCH OFF at mains before carrying out any electrical work.
3. Refer to the previous TABLE 1 for the correct cable size.
4. Use double coated flexible cable having nominal cross-sectional area between 2.5mm². [§26.6, [EC/EN 60335-1]
5. Lead the power cable from the MCB to a “ON/OFF” double pole linked switch having a contact separation of at least 3mm in all poles outside the bathroom, then lead a cable connected to terminal block inside the unit. (Fig.3)

Procedure:

1. Insert the cable through ‘A for side entry or ‘B’ for wall embedded cable by cutting a hole through the source cord rubber holder. (Fig.4)

2. Connect the cable to Terminal Block and fully tighten them as follow
   BROWNOrRED – LIVE(L)
   BLUE or BLACK – NEUTRAL(N)
   GREEN or GREEN/YELLOW – EARTH ( )

3. When replace back the Front Cover, please take note the below procedure:
   – To ensure the correct position, turn the Temperature VR Knob insert to OFF position as shownin Fig A. (at the Heater Base)
   – To install the Front Cover, turn the Temperature Control Knob to OFF position to align with the VR Knob Insert as shown in Fig B. (at the Front Cover)
   ** For Pump Models, the same align procedure is apply to both Pump VR Insert and Pump Knob.

4. Fix back the screw ‘A’.

Method of alignment when fixing front cover

Table 1 – Electrical loading table

Voltage (AC)| Power (kW)| Current (A)| Minimum Conductor Size (csa)| On/Off Switch (A)| Fuse /MCB (A)
---|---|---|---|---|---
mm 2| Conduit Cable| Flexible Cable
240-50/60Hz| 2.5| 10.4| 2.5| 7/0.67 mm| 50 / 0.25 mm| 20| 20
3.3| 13.8| 2.5| 7 / 0.67 mm| 50 / 0.25 mm| 20| 20
3.6| 15.0| 2.5| 7/0.67 mm| 50 / 0.25 mm| 20| 20
4.0| 16.7| 2.5| 7/0.67 mm| 56 /0.25mm| 20| 20
5.0| 20.8| 4.0| 7 /0.85 mm| 56 / 0.30 mm| 32| 32
(MalaysiaModel)
3.6| 15.0| 4.0| 7 / 0.85 mm| 56 / 0.30 mm| 20| 20
3.8| 15.8| 4.0| 7 / 0.85 mm| 56 / 0.30 mm| 20| 20
4.5| 18.8| 4.0| 7/0.85 mm| 56 / 0.30 mm| 32| 32
4.8| 20.0| 4.0| 7 / 0.85 mm| 56 / 0.30 mm| 32| 32
230-50/60Hz| 2.4| 10.4| 2.5| 7/0.67 mm| 50 / 0.25 mm| 20| 20
3.0| 13.0| 2.5| 7 / 0.67 mm| 50 / 0.25 mm| 20| 20
3.3| 14.4| 2.5| 7/0.67 mm| 50 / 0.25 mm| 20| 20
4.0| 17.4| 2.5| 7/0.67 mm| 56 /0.25 mm| 20| 20
5.0| 21.8| 4.0| 7 /0.85 mm| 56 / 0.30 mm| 32| 32
220-50/60Hz| 2.4| 10.9| 2.5| 7/0.67 mm| 50 / 0.25 mm| 20| 20
3.5| 15.9| 2.5| 7/0.67 mm| 56 /0.25 mm| 20| 20
4.5| 20.5| 2.5| 7/0.67 mm| 56 /0.25 mm| 32| 32
5.5| 25.0| 4.0| 7 / 0.85 mm| 56 / 0.30 mm| 32| 32
6.0| 27.3| 4.0| 7 / 0.85 mm| 56 / 0.30 mm| 32| 32

Test run

1. Turn on the water supply and Stop Valve, the water will flow through the Handshower.

2. Switch on the electrical supply.

3. Turn the Temperature Control Knob to ‘ON;, the Red Indicator light (HEATER) will turn on, hot water will flow out within a few seconds. The more Temperature Control Knob being turned in clockwise direction, the hotter is the shower.

4. The shower might not be hot enought even at ‘MAX’ position if incoming water supply from the mains is too cold or pressure water is too high. In this case, you’ may adjust the Stop Valve to reduce the water inflow in order to get the desired showering temperature.

5. Check the Built-in ELCB as following:
   – Press the “TEST” Button, the Built-in ELCB should trip and cut off the power supply, all LED Indicators should light off.
   – Press the “RESET” Button, the Heater Unit should resume normal function, the Green LED Indicators should light on.
   If procedures stated above prevailed, the ELCB is functioning in notmal condition.
   For Vietnam Models Only: The Unit has a Blue LED Indicator (EARTH) The Blue light will not light up when there is poor earth connection. Please contact licensed electrician for further assistance.

6. It is unnecessary to turn the Temperature Control Knob to “OFF” Position when the Heater is notin use.

7. Switch OFF the electricity supply after shower.

8. For Pump Models: Turn on the Pump Control Knob to test on Pump’s functionality.
   If the shower is not hot enough, you may adjust the pump speed until the desired shower temperature is obtained.

Handshower spray action

This innovative adjustable Handshower has different spray actions.
The actions are described as follows.
Normal Shower Accessories Rain Shower Accessories Clean the Handshower Head holes by using the soft brush from time to time.
(Recommended once a week)
Note: Take care not to damage the holes of the Handshower Head during cleaning.

Maintenance

Read the section IMPORTANT SAFETY INFORMATION’ first.

1. TEST THE ‘ELCB’ REGULARLY
   (This procedure is highly recommended test at least once a month)
   Turn on the electricity and water supply, the Green ELCB lamp will light up.
   If the Temperature Control Knob is in ‘ON’ position, the Red Heater lamp will light up also. Press the ELCB Test knob, the ELCB and HEATER lamp should go off. Press the Reset Knob to reseume back the electricity supply.
   Warning!
   If the ELCB or HEATER lamp does not go off when you press the ELCB Test Knob, SWITCH OFF the mains supply and contact your sales agent for repair. Special skill is required for repair. NEVER try to repair the unit by yourself.

2. CLEANING PRECAUTION!
   Do not use thinner, alcohol, petrol or any other organic solution to clean the set, use only a damp cloth with mild detergent.

3. CLEAN THE FILTER REGULARLY (Fig. 8 & Fig. 9)
   There are two filter located at the stop valve, one is Mesh Filter (installed at the incoming water supply), another one is the built-in filter as shown in Fig. 9). Clean the Mesh Filter regularly to prevent blockage. Remove the built-in filter by turn it anti-clockwise as shown in Fig. 8. Take out the Filter and flush it with water to remove any trapped sendiments. (as shown in Fig. 9)

Wiring diagram

Wiring diagram – with elcb, no pump model (single element)

Wiring diagram – with elcb, no pump model (esp) Wiring diagram – with dpdt elcb, dc pump model (esp) Wiring diagram – with dpdt elcb, dc pump model (esp) * Manual Reset (90 °C Thermostat)
For Models rated 4.5kW and below, thermostat is manually resetable.

Electrical specification

2.00 Kg (DC Pump)

Note: The specification, actual product’s cosmetic design and accessories parts shown are correct at the time of printing and may be subjected to change without prior notice.

Arcelik A.S. Karaagag Caddesi No:2-6, 34445, Siitliice / ISTANBUL
www.beko.com

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