E-Tech S 160 Installation, Operating And Servicing Instructions

Text of E-Tech S 160 User Guide:

• E-Tech S 160, 1 PEOPLE WHO SHOULD READ THESE INSTRUCTIONS These instructions are intended for: - specifying engineers - the installing engineers - end-users - servicing engineers SYMBOLS The following symbols are used in these instructions: Essential instruction for operating the system correctly. Essential instruction for personal safety or environmental protection Danger of electrocution. Risk of scalding. WARNINGS These instructions are an integral part of the equipment to which they refer and must be supplied to the user. The product must be installed and serviced by qualified engineers, in compliance with the prevailing standards. ACV accepts no liabi

• E-Tech S 160, OVERVIEW • Combination boiler (central heating and domestic hot water). •TANK-IN-TANK indirect storage type domestic hot water production. • The central heating connections are designed so that they can be connected in all three directions, this means that the boiler can be installed against a wall or in a corner without having to leave any free space (see page 6). • Internal two-stage temperature control thermostat, which allows the power to be adapted according to actual heat requirements. • The boiler is fitted with expansion tanks, a safety valve, a mano-thermometer, a water low safet

• E-Tech S 160, 3 DESCRIPTION Domestic hot water return Domestic hot water outlet Insulation Central heating flow pipe Primary expansion vessel Tank-in-Tank heat exchanger Drain cock Control thermostat Primary circuit Primary safety valve Domestic cold water inlet Heating return Low water pressure switch Heating resistors

• E-Tech S 160, 4 DIMENSIONS The units are delivered fully assembled, tested and packed on a timber base with shockproof edges and protected by heat-shrunk plastic film. On reception and after unpacking, check the equipment for domage. For transport purposes, refer to the weight and dimensions give below. TECHNICAL SPECIFICATIONS B C GF D A E I J KK H L E-tech S 160 E-tech S 240 E-tech S 290 E-tech S 290 E-tech S 380 E-tech S 380 single phase tri phase mono phase tri phase Output kW 14.4 14.4 14.4 28.8 14.4 28.8 Operating voltage Vo

• E-Tech S 160, 5 TECHNICAL SPECIFICATIONS MAXIMUM OPERATING CONDITIONS Maximum operating pressure (tank full of water) - Primary circuit: 3 bar - Secondary circuit: 10 bar Test pressure (tank full of water) - Primary circuit: 4.5 bar - Secondary circuit: 13 bar Operating temperature Maximum temperature: 90 °C Water quality • Chlorures: < 150 mg/l (304) < 2000 mg/l (Duplex) • 8 ≥ ph≥ 6 DOMESTIC HOT WATER PERFORMANCES E-tech S 160 E-tech S 240 E-tech S 290 E-tech S 290 E-tech S 380 E-tech S 380 single phase tri phase mono phase tri phase Peak delivery at 40 °C L/10’ 31

• E-Tech S 160, 6 BOILER ROOM Important •Keep vents free at all times. • Do not store inflammable products in the boiler room. • Do not store corrosive products near the boiler, such as paints, solvents, chlorine, salt, soap and other cleaning products. Accessibility The boiler room must be large enough to allow proper access to the boiler. The following minimum distances around the boiler are required: - at the front: 500 mm - above: 300 mm - on the central heating connection side: 150 mm This boiler can be connected to the cent

• E-Tech S 160, 7 INSTALLATION DOMESTIC HOT WATER CONNECTION Pressure reducer If the water mains pressure is greater than 6 bar, a pressure reducer calibrated to 4.5 bar must be fitted. Safety unit The tank safety unit must be ACV approved and calibrated to 7 bar. The valve discharge must be connected to the waste water disposal system. Domestic hot water expassion tank Installing a domestic hot water expansion tank avoids any risk of overpressure due to pressure surges and also makes sure that there is a always water flowing through

• 8 INSTALLATION ELECTRICAL CONNECTIONS Control circuit power supply The control circuit is automatically powered from the power circuit. It is also protected by a magneto-thermal circuit breaker. Control wiring diagram It is important to switch the boiler off before carrying out any work. 1 3 4 5 6 7 8 9 C 2 C 2.1. 2.2. 1.1. 1.2. A1 A2 1 2 1 10 11 12 13 14 15 18 19 br br v r r o o w o w o r w pg

• E-Tech S 160, 9 INSTALLATION E-Tech `S` Tri Phase Control Circuit - With shunt circuit (factory wired) CABLE COLOUR CODES bk- black br- brown r-red w-white y- yellow o - orange b - blue v - violet p - pink gr - grey All bold numbers indicate a DIN rail terminal connection Boiler Stat (78 - 53°C) PLEASE NOTE: Due to the potential risk of ELECTRIC SHOCK this section of the manual is intended for use by a service engineer or qualified electrician, not the user 230 - 240 V ac 3 amp MCB Panel On Off Switch High Temp Limit (manual reset) Water Pressure Switch Optional Internal Or External Boiler Control Clock High Temp Limit (Auto Reset) Boiler Stat (85 - 60°C)

• E-Tech S 160, 10 Connecting the accessories The electrical accessories are connected to the numbered terminals on the control terminal block as shown on the control wiring diagram. Power wiring diagram •For the mono phase model (In top of the page 11) •For the tri phase model (In bottom of the page 11) Electrical safety devices • The boiler must be effectively earthed. •A box fitted with a magneto-thermal circuit breaker must be fitted on the outside of the boiler. This is to protect the boiler and allow the power s

• L N 3 x Red 3 x Red 3 x Blue 3 x Blue To Boiler Body Green / Yellow Stage 1 Power Relay 1 Stage 1 Power Relay 2 Stage 2 Power Relay 1 To Control Circuit MCB E-Tech Single Phase Power Wiring L1 L2 L3 N To C ontrol Circuit MCB 4 x Orange 4 x Black 4 x Red 4 x Blue To Boiler Body Green / Yellow Stage 1 Power Relay 1 Stage 1 Power Relay 2 Blue Red Blac

• E-Tech S 160, 12 COMMISSIONING FILLING THE DOMESTIC HOT WATER AND HEATING CIRCUITS 1. Fill the domestic hot water circuit and bring it up to pressure IMPORTANT The hot water tank must be pressurised before the heating circuit is filled. 2. Fill the central heating circuit making sure that any air in the upper part of the boiler and any air in the system is bled. 3. Remove the front of the boiler. 4. Check the electrical connections paying particular attention to the quality of the connections on the power circuit te

• E-Tech S 160, 13 MAINTENANCE SERVICE INTERVALS ACV recommend that boilers should be serviced at least once a year. This servicing work should be carried out by a competent technician. SERVICING THE BOILER 1. Set the on/off switch on the control panel to the OFF pos tion and switch the power off from the external box. 2. Remove the top panel and the front and carry out a visual inspection of the boiler looking out for any leaking water. 3. Inspect the wiring looking for any sign of overheating. 4. Check that the screws on the connection terminal block are properly tightened. 5. Replace the front and the top panel. 6. Switch the boiler back on again. SERVICING THE SAFETY DEVICES - Check that the the

• E-Tech S 160, 14 7 - Safety thermostat When the temperature in the boiler exceeds 103 °C, the manually reset safety thermostat is started up. 8 - Boiler shutdown indicator light This light is lit when the safety thermostat starts up or when the water pressure in the boiler is too low. Central heating system gauge pressure Your boiler is fitted with a central heating safety valve, set to 3 bar, and with a pressure gauge. First make sure that the water in the system is still pressurised. When cold and after the air in the system has been bled, the pressure gauge should show a pressure of between 1 and 2, depending on the

• E-Tech S 160, 15 BOILER SHUTDOWN If the red light on the control panel lights up, this indicates an operating fault. 1. Check the boiler pressure, it should be between 1 and 2 bar depending on the height of the building. 2. Once you have checked the pressure, wait until the boiler has cooled down before resetting the safety thermostat. 3. Unscrew the safety thermostat’s protective cap. 4. Restart the thermostat using a blade end. 5. If the system shuts down again, please inform the installing engineer. To ensure your system operates

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