Redring Water Heater 1070800E User Guide

Trouble Shooting  
All Models  
Redring  
SB Professional  
On Wall Boiling Water Heater  
Models:  
1070800E  
1070810E  
1070815E  
1070820E  
1070825E  
1070830E  
1070835E  
2.5 ltr  
5 ltr  
7.5 ltr  
10 ltr  
15 ltr  
20 ltr  
25 ltr  
Page 1 of 8  
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Spare parts and diagrams for location and installation dimensions.  
Spare Parts  
9b  
10  
1311056  
1311082  
1311048  
Tap Assembly  
Ref  
Part No  
Description  
Sensor (minimum water level)  
1
2
1311010  
1311044  
Water Solenoid Valve  
Condenser Assembly  
Cold Water Inlet To Tank  
Thermistor Steam Sensor  
Element & Tank Assembly  
Element Assembly 5 to 25 Litre  
11  
12  
Probe (maximum water level)  
Steam Vent Outlet  
3
4
1311043  
13  
14  
Maximum Water Level  
5a  
5b  
1310842  
Power Cord & Plug Assembly  
Control Board Assembly (2.5 Litre)  
Control Board Assembly (5 to 25 Litre)  
Tap Cup Seal  
1311032  
1311006  
15a 1311045  
15b 1311042  
6
Manual Rest Thermostat (boil dry protection)  
Steam Vent Outlet (half inch BSP)  
7
16  
17  
18  
1311058  
1311060  
1310732  
8
1311022  
Auto Reset Thermostat (steam vent overflow)  
Water Outlet Fitting (half inch BSP)  
Tap Insert  
Tap Spring  
9a  
Reducer 1/2”  
BSP  
(Olive Compression Union)  
12  
2
1
11  
7
4
13  
65mm  
45mm  
5a  
30mm  
85mm  
FRONT VIEW  
55mm  
10  
SIDE VIEW  
9a  
5b  
6
18  
9b  
17  
15a & 15b  
1
3
Teflon Tape  
16  
8
7
14  
W
3
0
W
B
4
.
    8
A
B
A
4
.
2
   .
4
.
A
A
4
3
9
4
4
F
F
1
9
0
1
9
Wall Mounting Dimmensions (mm)  
2.5L  
5-75L  
10-15L  
20-25L  
A
B
56.4  
41.4  
41.4  
41.4  
198.0  
278.0  
335.0  
399.0  
C
D
418.45  
42.45  
488.45  
42.45  
545.45  
42.45  
609.45  
42.45  
H
C
H
E
F
143.4  
143.4  
143.4  
143.4  
200  
C
H
430.8  
310.8  
500.8  
360.8  
557.8  
417.8  
621.8  
481.8  
W
D
D
E
1
.
E
1
3
20-25L  
2.5- 15L  
Page 3 of 8  
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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.  
2. Check element.  
(Element boil dry protection)  
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  
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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  
Replace Manual Re-Set Thermostat  
Replace PCB.  
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.  
1. Directions as above in Cover Removal.  
2. Remove the connecting wires, unscrew the cutout.  
3. Replacement is the reverse procedure.  
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 5 of 8  
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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.  
Condensor Tube  
Sensor Probe  
Page 6 of 8  
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Notes  
Page 7 of 8  
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Applied Energy Products Ltd,  
Morley Way, Peterborough. PE2 9JJ. England  
General enquiry  
Technical Hotline  
Sales/Spares  
Tel  
Fax  
Tel  
+44 (0) 1733 456789  
+44 (0) 1733 310606  
+44 (0) 8709 000430  
+44 (0) 8709 000530  
+44 (0) 8709 000420  
+44 (0) 8709 000520  
Fax  
Tel  
Fax  
Page 8 of 8  
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