RED-RING 1070800E Manuale utente

Page 1 of 8

Trouble Shooting

All Models

Redring SB

Redring

SB Professional

On Wall Boiling Water Heater

Models:

1070800E 2.5 ltr

1070810E 5 ltr

1070815E 7.5 ltr

1070820E 10 ltr

1070825E 15 ltr

1070830E 20 ltr

1070835E 25 ltr

Contents

Subject Page

General Product Operation......................................................................2

Spares Diagram and List.........................................................................3

Unit Dimensions.......................................................................................3

Problem Solving......................................................................................4

Tank Access............................................................................................5

Parts Replacement Guide.......................................................................5 - 6

Intentionally Blank..................................................................................7

AEP Address............................................................................................8

Page 2 of 8

Redring SB

The General Operational Process

1. After fixing to wall and checking all connections, turn on power and water

together.

2.The solenoid valve will now open and fill the tank until it reaches the low water

level sensor.

3. When the low water level sensor is contacted, the filling process stops and the

heating cycle starts, the heating will continue until the water reaches

approximately 98-99ºC.

4. Once this temperature is reached the heating stops and filling restarts, this

process of heat/fill/heat/fill continues until the top water level sensor is reached.

When water makes contact with the high water level sensor, the PCB isolates the

filling cycle from this function, and the element controlled by the PCB remains in

circuit to monitor for any heat top up’s that may be required.

5. If any subsequent water is used and the unit drops away from the high level

water sensor, the heat/fill/heat /fill process restarts until water is back at the high

level water sensor and at maximum temperature.

Page 3 of 8

OVERSINK BOILING

Ref Part No Description

1 1311010 Water Solenoid Valve

2 1311044 Condenser Assembly

3Cold Water Inlet To Tank

4 1311043 Thermistor Steam Sensor

5a Element & Tank Assembly

5b 1311032 Element Assembly 5 to 25 Litre

6 1311006 Manual Rest Thermostat (boil dry protection)

7Steam Vent Outlet (half inch BSP)

8 1311022 Auto Reset Thermostat (steam vent overflow)

9a Water Outlet Fitting (half inch BSP)

30mm

85mm

65mm

45mm

15a & 15b

Teflon Tape

Reducer 1/2”

BSP

(Olive Compression Union)

FRONT VIEW SIDE VIEW

55mm

Spare Parts

9b 1311056 Tap Assembly

10 1311082 Sensor (minimum water level)

11 1311048 Probe (maximum water level)

12 Steam Vent Outlet

13 Maximum Water Level

14 1310842 Power Cord & Plug Assembly

15a 1311045 Control Board Assembly (2.5 Litre)

15b 1311042 Control Board Assembly (5 to 25 Litre)

16 1311058 Tap Cup Seal

17 1311060 Tap Insert

18 1310732 Tap Spring

399.0399.0

399.0

621.8621.8

621.8

609.45609.45

609.45

42.4542.45

42.45

41.441.4

41.4

41.441.4

41.4

481.8481.8

481.8

143.4143.4

143.4

199.50199.50

199.50

199.50199.50

199.50

FFFF

20-25LITRETEMPOTRONIC

SCALE

0.300

41.441.4

41.4

278.0278.0

278.0

41.441.4

41.4

360.8360.8

360.8

500.8500.8

500.8

488.45488.45

488.45

42.4542.45

42.45

143.4143.4

143.4

SCALE 0.300

2.5L 5-75L 10-15L 20-25L

A56.4 41.4 41.4 41.4

B198.0 278.0 335.0 399.0

C418.45 488.45 545.45 609.45

D42.45 42.45 42.45 42.45

E143.4 143.4 143.4 143.4

F200

H430.8 500.8 557.8 621.8

W310.8 360.8 417.8 481.8

Wall Mounting Dimmensions (mm)

2.5- 15L 20-25L

Spare parts and diagrams for location and installation dimensions.

Redring SB

Problem Solving

Symtom Solution

Unit filling to low level but not heating 1. Possible faulty PCB

2. Check Element

3. Check all wiring connections

Unit not filling 1. Check top probe (No.11 page 3) and ensure that the

probe is not in contact with tubing. Also check for

scale build up.

2. Check solenoid valve (No.1 page 3) with multimeter

set to K Ohms scale, it should read between

3.9 - 4.2.

3. Check water supply.

4. Turn pwer supply on then off to see if you can hear

the “squirt” of water from the solenoid valve.

Unit continually boiling 1. Replace thermistor steam sensor (No.4 page 3)

2. If above does not solve problem, replace PCB

(No.15a or 15b page 3).

3. Check the thermistor is positioned correctly.

Manual reset thermostat

(Unscrew) 1. Check water supply to tank.

(Element boil dry protection) 2. Check element.

3. Replace manual reset.

Tap leaking 1. Replace tap cup seal (No.15 page 3)

2. Replace tap assy (No.9 page 3). Re-tape with teflon.

Unit slow in “Heat/Fill” cycle 1. Water transfer hole in the cold water supply tube

may be blocked. Check and clear blockage.

( the hole is positioned above the thermistor sensing

probe, linking the cold supply and condensor tubes)

NOTE: Ensure all Earth connections are secure, failure to do so will cause the unit to operate irratically

Page 4 of 8

Redring SB

Page 5 of 8

Redring SB

Tank access and replacing parts

Task Operation

Front cover removal 1. Turn power and water off

2. Drain unit via tap, be carefull of boiling water.

3. Remove the tap assy by unscrewing

counter-clockwise

4. Undo self-tapping screws, 2 at top and 2 at bottom

of case. Remove the cover by drawing towards you.

Replace Solenoid 1. Directions as above in Cover Removal.

2. Disconnect wires to valve.

3. Disconnect the water fitting attached to valve.

4. Unscrew securing screws fixing valve. Remove old

valve and replace with new valve.

5. Re-connect fitting, turn on water and check for leaks.

6. Refit case and return to operation.

Replace Element 1. Directions as above in Cover Removal.

2. Disconnect element wiring.

3. Disconnect wiring from the manual re-set thermostat

and remove by unscrewing.

4. Remove the panel at the top of the tank, then the 3

nuts securing the element, 2 at the bottom and 1 on

the side of tank.

5. Remove the element through the top opening.

6. Replacement is the reverse procedure.

7. Refit case and return to operation.

NOTE: After replacing the element the top panel must

be re- sealed to ensure water tight operation.

Replace Tap assembly 1. Directions as above in Cover Removal. Steps 1-3.

2. Re-fit the new tap assembly.

3. Ensure new thread seal tape is applied.

Replace Manual Re-Set Thermostat 1. Directions as above in Cover Removal.

2. Remove the connecting wires, unscrew the cutout.

3. Replacement is the reverse procedure.

Replace PCB. 1. Directions as above in Cover Removal.

2. Disconnect connecting wires and unscrew PCB.

3. Replacement is the reverse procedure.

4. Refit case and return to operation.

NOTE: PCB wiring is colour coded please ensure that

the wires go back onto the same connection terminals.

All connections are 240 volt, take great care.

The temperature is non-adjustable.

PCB No.181801 is for 2.5 ltr.

PCB No.181815 is for 5ltr and larger.

Page 6 of 8

Tank access and replacing parts con’t.

Task Operation

Replace Thermistor Steam Sensor 1. Directions as above in Cover Removal.

2. Remove PCB cover plate.

3. Remove the thermistor.

4. The probe end of the thermistor pushes into the

condensor tube so that the tip just covers the hole

drilled in the condensor tube.

5. Re-connect the sensor to the PCB at either NTC 1 or

NTC 2, in any order.

Redring SB

Condensor Tube Sensor Probe

Page 7 of 8

Redring SB

Notes

Page 8 of 8

Applied Energy Products Ltd,

Morley Way, Peterborough. PE2 9JJ. England

General enquiry Tel +44 (0) 1733 456789

Fax +44 (0) 1733 310606

Technical Hotline Tel +44 (0) 8709 000430

Fax +44 (0) 8709 000530

Sales/Spares Tel +44 (0) 8709 000420

Fax +44 (0) 8709 000520

Redring SB

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