Ariston RT45PE-VN User manual

GB Electric instant water heater

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RT45PE - VN

RT45E - VN

PHẠM VI SỬ DỤNG

MODEL SCOPE

Thank you for purchasing our instant water heater. Please read the instruction carefully

before use.

DESCRIPTION OF WATER HEATER

(See Fig.1)

13.Soap tray

1.LED screen

2.Setting buttons

3.Front cover

4.HMI panel

5.ELCB buttons

6.Filter

7.Stop valve

8.Mounting Terminal

9.Hand shower

10.Adjustable shower holder

11.Slider ail

12.Flexible hose

18.Copper base

14.ZCT CHIC

15.Terminal block

16.Pump (1)

17.ELCB PCB

19.Inlet NTC

20.Flow sensor

21.Outlet pipe

22.Outlet NTC

23.Heater Tank

24.Pump PCB (1)

25.Triac PCB

26.Bottom cover

27.Thermostat

28.Main PCB

(1) For with pump models only.

Possible failures and troubleshooting

Problem Screen

display

ELCB

lamp

(if any)

Heating

Iconchecking actions

OFF OFF OFF

1) Make sure power supplier is available, bychecking

house power supplyvoltage;

1) Make sure the water heater is turnedON, bypressing

ON/OFF button;

2)Make sure product is not in coldwater model (all 3

personal model icons off means that the product is in cold

water model)

3) Make sure water pipe connection is right (inlet on right,

outlet on left).

ONONON

1) Make sure the wate flow rate is not too big(over

6L/min), byreducingthe flow rate through water valve

regulation;

ONOFF OFF 1) Make sure the "test" button is not mistakenlypressed, b

pressingthe "reset" button.--only for models with ELCB.

display

"E*"

ONOFF 1) Stop touse water heater, call service technician.

/ Blinking/1) Stop touse water heater, call service technician.

1) Make sure temperature settingis not too small, by

choosinghigher temperature setting.

2)Make sure the wate flow rate is not too big(over

6L/min), byreducingthe flow rate through water valve

regulation;

if flow rate too big, the outlet temperature indicatedon

screen duringheatingwill not be able toreach the setting

temperature.

3) Measuringthe actual voltage WHEN heatingtomake

sure voltage drop not too big.

Byincreasingsectional area of, or reducinglength of the

power supplycable couldimprove the problem.

4)Make sure power supplier voltage not too small, by

checkinghouse power supplyWITHOUT heating.

ONONOFF

Water cold, no

temp increase

(Flow rate

normal)

Water temp

increased, but

not warm

enough

ONON

Problem Screen

display

ELCB

lamp

(if any)

Heating

Iconchecking actions

1) Make sure the water pressure is bigenough toprovide

you confortable water flow rate.(for water heater without

pump, water tankshouldbe at least 3meters higher than

water heater)

2)Make sure there are nodirtyblocks the water flow, by

cleaningthe filter, which is built in the water valve.

3) Make sure there are nodirtyblocks the nozzles of

shower head.

4)Make sure there are nobottle neckBetween the water

inlet pipe andthe main water supplier point;

Triangle icon

blinking

///1) Checkif inlet temp higher than settingtemp.

house light

frickering

when heating

ONONON

1) Measuringthe actual voltage WHEN heatingtomake

sure voltage drop not too big. (voltage drop shouldbe less

than 10%).

Byincreasingsectional area of, or reducinglength of the

power supplycable couldsolve the flickeringproblem.

Flow rate too

small ///

TECHNICAL DATA

For technical characteristics, please refer to the appliance data plate.

WARNING

1. Products manufactured by us are safe when they are installed, used and maintained in accordance

with our instruction and recommendations. Always refer to this manual if you have any doubt.

2. The appliance must be earthed. Improper grounding could cause electrical shock.

3. If any of the follow conditions occur, immediately switch off the mains and contact to Ariston service

agent for repair. Never attempt to repair the unit yourself.

- ELCB and Heater lamps do not light up.

- The Heater begins to make an odd noise, smell or smoke.

- Water temperature cannot be controlled.

- The heater shower signs of a distinct change in performance.

- If found water leakage from inside.

4. When the shower is usedby someone such as child, elderlyperson, sickperson andphysically

handicapped person, the person concernedis kindlyrequestedtopayattention andcheckthe shower

temperature by hand from time totime.User is advisedtotest andadjust the water temperature

before using.

5. During lighting/thunder, switch off the electric supply in advance to protect the shower unit against

possible damage.

6. The earth continuityconductor of the electrical installation must be effectivelyconnectedtoall exposed

metal parts of the appliance and services in the room, which the heater is to be installed to conform

to local regulations and ensure proper earthing/grounding for ELCB to be effective.

7. Shower head must be descaled regularly.

8. Do not switch on if there is a possibility that the water in the heater is frozen.

9. No control valve or fitting can be fitted to the water outlet.

10. User is advised to test and adjust the water temperature before bathing.

Product code

Model description

Rated voltage

Áp lực nước tối đa/ tối thiểu:

xx xx

xx/xx

Rated power

Min./Max.water pressure

1. Installation must be carried out by qualified personnel and in compliance to

the local authority regulations.

2. This heater must be permanentlyconnectedtothe direct main current supply.

The use of a plug and socket is not recommended.

3. For the correct size of wire conductor corresponding to different electrical

loading, please refer to table1.

4. This heater operates at a minimum water pressure of 30kPa and 20kPa for

without pump model and with pump model, respectively and at a maximum

water pressure of 380kPa.

5. This heater will not function if there is insufficient water flow to trigger the

flow switch.

7. The thermostat will automatically cut off the power supply if it has sensed

an abnormal rise in showering water temperature. Only qualified technicians

are allowed to reset the thermal cut-out built inside the appliance.

8. To avoid accidentally scalding, user is advised to operate the heater under

a water pressure above 30kPa at the inlet.

1. Select a suitable position in the bathroom.

Caution before

installation!

INSTALLATION INSTRUCTION

Install the

appliance

6. The built-in ELCB will automatically cut off the power supply in case there

is a current leakage above 15mA. (ELCB model only.)

2. Remove the 2 screws at the bottom and 1 screw at the top of the unit(refer to

Fig. 2b), then open the front cover.

3. Mark the screw points of the heater base on the wall. The heater position

should be 1.5 meter from the bathroom floor.

4. Markthe screws points of the slider rail set beside the heater. It is

recommended the top of the portion is in same level with the top of the heater.

5. Use 6mm diameter drill and make the wall plug holes for heater and shower

accessory to 35mm depth.

6. Insert the wall plugs and mount the heater firmly in position with the screws

provided.

7. To mount shower accessory, remove the terminal cover from the mounting

terminal andscrew the mountingtoposition.Close the cover.Insert the shower

holder and soap tray into the slider rail. Mount the slider rail to the mounting

terminal and screw the second mounting to position. Close the cover.

*THE WATER INLET AND OUTLET MUST BE INSTALLED CORRECTLY;

OTHERWISE THE HEATER CAN NOT FUNCTION.

*DO NOT USE PLUMBING CEMENT ON CONNECTION. IF NECESSAY, USE

ONLY THREAD OR SEALING TAPE.

1. Connect the stop valve to the water inlet with rubber washer. Use correct

tools to tighten and be careful not to break the plastic nut.

2. Connect the incoming water piping end to the

stop valve (1/2’’ BSP).

3. Connect the soft hose and hand shower to the outlet of the heater; be sure

to put in the rubber washer.

4. Hook the hand shower to the shower hanger and adjust to your

ideal position.

IMPORTANT: the ‘Water Outlet’ can only be fitted to the soft hose

and hand shower set provided. NO CONTROL VALVE OR FITTING

CAN BE FITTED TO THE WATER OUTLET.

In the condition of without power supply, turn on the water mains to drain out all

plumbing dirt and to fill up the heater tank. Check for any water leakage.

IMPORTANT: this step will prevent damage to the heating element.

Water

connection

Testing

connection

Electrical

connection

IMPORTANT WARNING

-This appliance must be EARTHED. Improper grounding could cause

electrical shock.

Additional electric switch should be far away from the water heater (out

of reach of shower spray).

-Remember to switch off at mains before carrying out any electrical work.

1. Use double coated flexible cable having nominal cross-sectional area which

could be seen in table 1.

2. lead the power cable from the circuit breaker to “ON/OFF” double bipolar

switch (which having a contact opening at least 3mm in all poles) outside the

bathroom, then lead a cable connected to terminal blockinside the unit(fig.3a).

3. Insert the cable through core hitch ‘A’ for side entry or hole ‘B’ below the

bottom cover for wall embedded cable (fig.3b).

4.Connect the cable to terminal block and fully tighten them as follow(Fig. 3b).

BROWN or RED for LIVE (L)

BLUE or BLACK for NEUTRAL(N)

GREEN or GREEN/YEOLLOW for EARTH(E)

5. Make sure the wiring connection is tight, then close the front cover.

6. Fix back the screws.

Starting IMPORTANT:

THE HEATER TANK MUST BE FILLED UP WITH WATER BEFORE TURN

ON THE ELECTRICITY SUPPLY THIS IS TO PREVENT ANY DRY BURNT

DAMAGE TO THE HEATING ELEMENT.

SHOULD TURN OFF THE HEATER

BEFORE TURN OFF THE STOP VALVE.

OTHERWISE, IT WILL COME OUT A PERIOD OF HOT WATER IFRESTART

THE HEATER IN SHORT TIME, OR CAUSE CONFUSION ON OPERATION

LOGIC DUE TO SPECIAL DESIGN.

The outlet temperature might be unstable if the inlet water pressure or the voltage

change sharply.

1. Turn on the water supplyandthe stop valve, andthen wait until the water flow

through the hand shower.

2. Switch on the electrical supply and the ELCB lamp will light on.

3. Press the ON/OFF button, the heater will begin toworkandhot water will come

out in a few seconds.Change the settingtemperature by press the “+”or “-”button,

the higher the temperature setting, the hotter is the shower.

4.Press the icon person 1/2/3, it will go to the related setting temperature. This

settingvalue will be memorizedeven if power off.

5. The outlet temperature may not be able to reach the setting temperature if

the incoming water supplyfrom the mains is too coldor the flow rate is too high.

In this case, you can reduce the water flow rate which will leadtoincrease the

outlet temperature, but it is still not necessarily able to reach the setting

temperature in case the water supply really cold.

6. The built-in ELCB will self-check every time when using the product.

7. The height and the direction of the shower holder are adjustable. Depress

the release button and slide the shower holder to the desired position. Move

the handshower tothe desiredangle.Aratchet mechanismin the shower holder

will holds the hand shower in the selected position (fig.4).

8.Press the ON/OFF button to turn off the power, then turn off the water valve.

For pump model:

Long press ON/OFF button for 4 seconds, activate/deactivate pump function.

HMI Explanation

ON/OFF button

Press this button to turn on/off the heater.

Temperature setting button

Press “+” / “-” to increase/reduce the

setting temperature.

ELCB lamp

This lamp keeps on when ELCB

function works properly, it will

blink if detects current leakage.

Personal setting button

Each button could remeber one setting

temperature even if power off, to get the

previous setting value by press the

corresponding icon.

Inlet high temperature warning

The triangle icon will blink and heater stops

heating when the inlet temperature is higher than

the setting temperature.

Temperature display

Display the outlet temperature,

or display the setting value

during setting.

Heating icon

This icon keeps on when it’s

heating water

This manual suits for next models

Table of contents

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