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A.O. Smith DURA-Power DRE-52, Installation And User Instructions Manual

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A.O. Smith DURA-Power DRE-52 Installation And User Instructions Manual Download Page 16

16

DIAGRAM C: Electrical diagram – 9 elements

Electrical diagram –  

3 phases – 9 elements

A =  Network connection

B =  Fuses

C =  Relay

D =  Fuse

E =  Transformer

F =  Safety relay

G =  Float switch

H =  Maximum thermostat

K =  Regulation thermostat

L =  Electrical heating

    

element

X1 = Terminal block

1 =  Black / Zwart / Schartz / Noir

2 =  Red / Rood / Rot / Rouge

3 =  Blue / Blauw / Blau / Bleu

4 =  Brown / Bruin / Braun / Brun

5 =  Yellow / Geel / Gelb / Jaune

Summary of Contents for DURA-Power DRE-52

Page 1: ...HOT WATER STORAGE DEVICES United Kingdom Ireland MODELS DRE 52 DRE 80 DRE 120 INSTALLATION AND USER INSTRUCTIONS...

Page 2: ...General Terms and Conditions as filed with the Chamber of Commerce For further information see the General Terms and Conditions These can be obtained from us free of charge Although utmost care has be...

Page 3: ...t of Operation 17 2 2 4 Temperature Regulation 18 2 3 Maintenance 18 2 3 1 Sacrificial anode 18 2 3 2 Descaling 18 2 4 Steps When There is a Fault 18 2 4 1 Water Temperature Not Good 19 2 4 2 Presumed...

Page 4: ...el plate which has a glass lined coating on the inside The tank is also provided with two sacrificial anodes to give extra protection against corrosion A thick CFC free polyurethane insulation layer c...

Page 5: ...5 Fig 1 regulation and safety 1 2 Regulation and Safety For clarification see the diagram below the image is an extract from the electrical diagram further on...

Page 6: ...to the regulating thermostat 9 The element 10 is fed from the regulating thermostat During normal operation the regulating thermostat 9 switches the element 10 on and off If a temperature of above 93...

Page 7: ...e exposure height is too small the contact will no longer connect even if the float is completely above it In this case the device will not come into operation If the exposure height is set lower than...

Page 8: ...and 1 5 Ohms Screw the float switch back into the tank and place it vertically Check the exposure height Close the door and connect the feed voltage The safety relays must not come in The tautening a...

Page 9: ...meter of boiler 560 640 750 E Depth 690 790 910 M Height of drain valve 125 125 125 R Height cold water supply 125 125 125 S Height T P connection 1230 1335 1380 1 Cold water connection 1 14NPT 1 14NP...

Page 10: ...uous 40 C litres hour 241 258 482 516 963 1032 Weight kg 73 73 73 Type DRE 80 9 DRE 80 18 DRE 80 36 DRE 80 54 Tank capacity litres 300 300 300 300 Number of elements 3 3 6 9 Power 380V 3F kW 7 6 15 2...

Page 11: ...ing time up to 40C 400 414V min 112 105 56 52 28 26 19 17 Tap capacity 1st hour 60 C 400 414V litres 569 579 707 726 981 1020 1256 1314 Tap capacity continuous 60 C 400 414V litres hour 145 155 289 31...

Page 12: ...the temperature increase will drip into the drainage via the overflow of the inlet combination This is a normal occurrence The dripping must never be obstructed and or blocked The drain must remain fr...

Page 13: ...elow Diagram A Diagram B Diagram C Electrical diagram for 3 phase Electrical diagram for 3 phase Electrical diagram for 3 phase connection connection with 3 elements connection with 6 elements with ni...

Page 14: ...connection B Fuses C Relay D Fuse E Transformer F Safety relay G Float switch H Maximum thermostat K Regulation thermostat L Electrical heating element X1 Terminal block 1 Black Zwart Schartz Noir 2...

Page 15: ...nsformer F Safety relay G Float switch H Maximum thermostat K Regulation thermostat L Electrical heating element X1 Terminal block 1 Black Zwart Schartz Noir 2 Red Rood Rot Rouge 3 Blue Blauw Blau Ble...

Page 16: ...connection B Fuses C Relay D Fuse E Transformer F Safety relay G Float switch H Maximum thermostat K Regulation thermostat L Electrical heating element X1 Terminal block 1 Black Zwart Schartz Noir 2...

Page 17: ...et the desired temperature on the regulating thermostat see table When leaving the factory the temperature is set at 60 C Temperature in F Temperature in C 120 49 130 54 140 60 150 66 160 71 170 77 18...

Page 18: ...d cleaned by a recognised installation engineer at least once per year so that good operation can be guaranteed During maintenance the device must never be under voltage 2 3 1 Sacrificial anode The li...

Page 19: ...ximum thermostats which break the circuit when the water temperature is too high 93 C These maximum thermostats can only be reset again once the temperature has dropped 20 C Then the regulating thermo...

Page 20: ...se Solution Insufficient or no hot water Temperature set too low Set regulating thermostats higher Maximum thermostats break the circuit Press in reset button Connector is not seated in stop contact m...

Page 21: ...1 Check whether the device is filled with water 2 Switch the mains switch on for a fixed connection or place the connector in the stop contact 3 1 3 Use The device is under water pipe pressure maximu...

Page 22: ...t hot water drainage point for ventilating the tank Take care that the feed pipe and inlet combination cannot freeze Drain the feed pipe as necessary and check whether all other pipes are empty 3 2 Ma...

Page 23: ...ccording to the installation instructions of A O Smith for the specific model as well as according to the local and national installation and building regulations instructions and rules b that the boi...

Page 24: ...or any parts thereof ex the Veldhoven warehouse Any costs involved with transport labour installation or any other capacity connected to the replacement cannot be charged to A O Smith 4 6 Claims A cl...

Page 25: ...25...

Page 26: ...0310 145_R2...

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