www .cynergy3.com ? 2012 cynergy3 components, all rights reserved. specifications are subject to change without prior notice. cynergy3 components and the cynergy3 components logo are trademarks of cynergy3 components limited. i s o 9 0 0 1 c e r t i f i e d SM20 level controller or high power interface module cynergy3 components ltd. 7 cobham road ferndown industrial estate wimborne, dorset bh21 7pe t elephone +44 (0) 1202 897969 email:sales@cynergy3.com the SM20 is a versatile level control or interface module that can also be used in many other process control applications. power supply 240/415 v ac. t wo out-puts: main output spco 20(8) ampere 250v secondary output spco 10(4) ampere 250v automatic/manual switch led indicators for: power supply, low level and output on. one level switch can be connected for an alarm or two level switches to start and stop a submersible pump or a solenoid valve for emptying/filling function it works with all kind of level switches, including conductive probes, as well as pressure switches or other limit switches. the module can be used as a dry-running protection, with a pressure switch or filling level control switch, to start and stop a pump. mechanical diagram t erminal assignment 240 or 415v ac supply din rail mounting other versions can be made for particular applications. please contact cynergy3 with your requirements. 2 spco relay outputs 12v ac sensor voltage primary output can directly control motors up to 2hp cos f 0.4-0.5 single phase 1, 2 or 3 sensor inputs t echnical specification supply v oltage v 240 or 415ac sensor v oltage v 12v ac sensor inputs switch contacts or conductive probes output ratings output 1 output 2 contact form spco spco switching power max ac v a 1500 750 switching v oltage ac max v 250 250 switching v oltage dc max v 28 not approved switching current max resistive (n/o contact) a 20 10 standard parts inputs outputs SM20 1, 2 or 3 2 switching power max dc w 560 not approved (n/c contact) a 10 10 switching current max inductive a 8 4 1 2 3 4 5 6 7 8 9 10 1 1 12 24 23 22 21 20 19 18 17 16 15 14 13 p u m p p o w e r l e v e l a u t o m a n made in italy SM20 interface module 53 mm 90 mm 1 supply neutral 3 supply live 240v ac 4 supply live 415v ac 9 output 1 nc contact 10 output 1 no contact 11 output 1 common 13 output 2 no contact 14 output 2 common 15 output 2 nc contact 19-20 low voltage input sensor 21-22 sensor common input 23 sensor minimum level 24 sensor maximum level low voltage input 19-20 for pressure switch with contacts closed at minimum pressure or level switch with contacts closed when level low . nb these terminals must be bridged if no sensor is connected .
1 2 3 4 5 6 7 8 9 10 1 1 12 1 2 3 4 5 6 7 8 9 10 1 1 12 24 23 22 21 20 19 18 17 16 15 14 13 24 23 22 21 20 19 18 17 16 15 14 13 p u m p p o w e r l e v e l a u t o m a n p u m p p o w e r l e v e l a u t o m a n made in it al y made in it al y SM20 interface module SM20 interface module secondary or alarm circuit nc common common nc nc no no www .cynergy3.com ? 2012 cynergy3 components, all rights reserved. specifications are subject to change without prior notice. cynergy3 components and the cynergy3 components logo are trademarks of cynergy3 components limited. i s o 9 0 0 1 c e r t i f i e d level controller or high power interface module rainwater tank sump tank t o drain supply pipe solenoid valve mains water pump up to 2hp pump link t op tank switch (nc when level low) high level switch (nc when level high) high level switch (nc when level high) example: rainwater supply filling a vented roof tank from a rainwater tank. the pump will operate when the roof tank level is not at max level and the water in the rainwater tank is above the low level. the secondary output relay will operate, if the level in the rainwater tank drops to the low level, and opens a solenoid valve to supply water from the mains water supply , which will remain operated until the rainwater tank fills to the high level.the illustration is only for 220/240v ac supply , which is connected to terminals 0 (neutral) and 3 (live). example: sump pump to drain this will pump out a sump from a high level down to a low level.the pump will be started when the level in the sump reaches the high level and will continue to pump until the level falls to the low level. the pump can also be operated manually using the switch on the module. the illustration is only for 220/240v ac supply , which is connected to terminals 0 (neutral) and 3 (live). low level switch (nc when level high) low level switch (nc when level high) x the SM20 can be used for many process control functions, including: dry running control with 2 level switchesdry running control with 1 level switch dry running control with conductive probes pump control by pressure switch pump control by level switch automatic/manual control selector ?no water? alarm or secondary control output t roubleshooting pump does not start, green led off no power to module pump does not start, yellow led on check connections 9-10-11 for pump supply pump does not start, yellow led off check link between 19-20. check pressure or level switch, if fitted. check system has not already reach maximum pressure or level pump does not start, red led on no water in supply tank. check maximum level switch is correctly installed. check terminals 21-22-23-24 pump does no stop check the auto/man selector . check that pressure or level switch, on 19-20, functions correctly . nb the diagrams shown above are simplified illustrations of how the module may be used and do not include any necessary safety devices, such as fuses or thermal cutouts, or statutory requirements for installation of such electrical equipment.
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