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Installation, User and Service Manual

 

 

 

1.5  General 
 

specifications 

 
 

Electrical Specifications - flange element 

 

 

Unit 

2.0 kW 

2.5 kW 

3.3 kW 

6.0 kW 

7.5 KW 

Supply voltage (-15%, +10% V

AC

Volt 

230 

230 

230 

400 

400 

Number of phases 

Current (max. amount per phases) 

8.7 

10.9 

14.4 

6.3 

Mains frequency (±1 Hz) 

Hz 

50 

50 

50 

50 

50 

IP class 

IP-5X 

IP-5X 

IP-5X 

IP-5X 

IP-5X 

Maximum operating pressure  

kPa (bar)  600 (6) 

600 (6) 

600 (6) 

600 (6) 

600 (6) 

Max. Setpoint Control Thermostat 

°C 

85 

85 

85 

85 

85 

Overheat Thermostat 

°C 

95 

95 

95 

95 

95 

 
 

 

Electrical Specifications - screw-in element 

 

 

Unit 

2.0 kW 

2.5 kW 

3.0 kW 

4.5 kW 

6.0 kW 

7.5 KW 

Supply voltage (-15%, +10% V

AC

Volt 

230 

230 

400 

400 

400 

400 

Number of phases 

Current (max. amount per phases) 

8.7 

10.9 

2.5 

3.8 

6.3 

Mains frequency (±1 Hz) 

Hz 

50 

50 

50 

50 

50 

50 

IP class 

IP-5X 

IP-5X 

IP-5X 

IP-5X 

IP-5X 

IP-5X 

Maximum operating pressure  

kPa (bar)  600 (6) 

600 (6) 

600 (6) 

600 (6) 

600 (6) 

600 (6) 

Max. Setpoint Control Thermostat 

°C 

85 

85 

85 

85 

85 

85 

Overheat Thermostat 

°C 

95 

95 

95 

95 

95 

95 

 
 
 

1.6  Dimensions 

 

 

 

Unit 

STE 400 

STE 500 

STE 600 

STE 750 

STE 1000 

Total height 

mm 

1705 

2040 

1835 

2030 

2000 

Diameter tank (with insulation) 

mm 

720 

720 

910 

910 

1060 

Diameter tank (without insulation) 

mm 

606 

606 

796 

796 

946 

Height cold water inlet 

mm 

70 

70 

85 

85 

95 

Height warm water outlet 

mm 

1650 

1990 

1797 

1992 

1962 

Diameter inspection opening 

mm 

115 

115 

180 

180 

180 

Height inspection opening 

mm 

410 

410 

493 

493 

530 

Height connection 

mm 

270 

270 

315 

315 

360 

Height temp. sensor connection 

mm 

348 

348 

400 

400 

445 

Height connection 

mm 

425 

425 

485 

485 

530 

Height recirculation connection 

mm 

510 

510 

650 

650 

700 

Height connection 

mm 

826 

995 

1040 

1080 

1100 

Height connection 

mm 

1094 

1348 

1255 

1374 

1351 

Height T&P connection 

mm 

1362 

1700 

1466 

1662 

1592 

Cold water inlet 

R 2 

R 2 

R 2½ 

R 2½ 

R 2½ 

Warm water outlet 

R 2 

R 2 

R 2½ 

R 2½ 

R 2½ 

 
 

Summary of Contents for STE - 400

Page 1: ...0311 370 03 2014 Innovation has a name Commercial Electric Storage Water Heater STE 400 500 600 750 1000 STE Installation User and Service Manual Changes Reserved...

Page 2: ...A O Smith Europa De Run 5305 5503 LW Veldhoven The Netherlands 31 0 40 294 25 00 your installer...

Page 3: ...arising from unauthorised use use other than that stated in this manual and use other than in accordance with the General Conditions registered at the Chamber of Commerce Refer further to the General...

Page 4: ...Installation User and Service Manual 4...

Page 5: ...al specifications 7 Electrical specifications 8 Dimensions 8 Installation 11 Installation diagram 11 Water connections 11 Electrical connections 12 Maintenance 15 Preparation for maintenance 15 Water...

Page 6: ...Installation User and Service Manual 6...

Page 7: ...lish hardness 7 0 eH 100 mg l CaCO3 100 ppm CaCO3 Conductivity 125 S cm Acidity pH value 7 0 pH value 9 5 Note If the water specifications deviate from those stated in the table then the tank protecti...

Page 8: ...X IP 5X Maximum operating pressure kPa bar 600 6 600 6 600 6 600 6 600 6 600 6 Max Setpoint Control Thermostat C 85 85 85 85 85 85 Overheat Thermostat C 95 95 95 95 95 95 1 6 Dimensions Unit STE 400 S...

Page 9: ...ection Rp Rp Rp Rp Rp 8 Anode connection Rp 1 Rp 1 Rp 1 Rp 1 Rp 1 11 Connection Rp 2 Rp 2 Rp 2 Rp 2 Rp 2 12 Connection Rp 2 Rp 2 Rp 2 Rp 2 Rp 2 13 Connection temp sensor Rp Rp Rp Rp Rp 14 T P connecti...

Page 10: ...Installation User and Service Manual 10...

Page 11: ...B hot water supply C circulation pipe F inlet heat exchanger G outlet heat exchanger IMD 0545 R0 0 2 2 Water connections 2 2 1 Warning The installation should be carried out by a competent person in...

Page 12: ...n valve 5 after the circulation pump to guarantee the direction of circulation 3 Fit two stop valves for servicing 4 4 Connect the circulation pipe according to the installation diagram 2 1 Installati...

Page 13: ...erminal on the thermostat 6 Connect the earth of the power cable to the earth terminal in the element Electrical Element screw in 1 Remove the cover and gasket from the inspection opening 2 Mount the...

Page 14: ...er cable to the earth terminal in the element Picture not available Picture not available Connecting an element of 400 VAC 5 Connect the first live L of the power cable to the L1 terminal on the therm...

Page 15: ...rage water heater Water side maintenance consists of descaling and cleaning the tank cleaning the elements and checking the anodes Cleaning the elements Scale and lime build up prevent effective condu...

Page 16: ...ferent places The diameter must be at least 60 of the original 1 diameter 3 If the diameter is less than the minimum the anode must be replaced Please contact the supplier manufacturer to order new an...

Page 17: ...Installation User and Service Manual 17 4 Errors 4 1 Introduction This chapter deals with the following problems with the water heater Water leakage No hot water Insufficient hot water...

Page 18: ...r The element is switched off 1 Check whether the element is ON 2 Check whether there is power on the connector block of the element 3 Check whether the element s is defective Safety thermostat has cu...

Page 19: ...been rectified and no other cause can be found isolate the water heater and alert you installation engineer Hot water supply is used up 1 Reduce hot water consumption and give the water heater time to...

Page 20: ...Installation User and Service Manual 20...

Page 21: ...tructions for the specific model and the relevant government and local authority installation and building codes rules and regulations in force at the time of installation b The storage water heater r...

Page 22: ...pursuant to the specified warranty are limited to free delivery from the warehouse of the replacement assemblies parts or storage water heater respectively Shipping labour installation and any other c...

Page 23: ...Installation User and Service Manual 23 0311 370 R0 0 EN...

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