Tech Controllers EU-401N PWM, User Manual

Page 1: ...Tech 1 EU 401N PWM...

Page 2: ...led by a qualified electrician Before starting the controller the user shoud measure earthing resistance of the electric motors as well as the insulation resistance of the cables The regulator should...

Page 3: ...done directly from the controller An additional signal relay is necessary in order to control the heater The controller offers PWM pump control option enabling the user to adjust its rotational speed...

Page 4: ...icons Active operation mode icon Icon of active additional device peripherals Automatic operation mode Circulating pump Collector defrost mode Pellet boiler fire up voltage free signal Holiday mode H...

Page 5: ...ature is reached to define the pre set temperature go to SERVICE MENU Accumulation tank Pre set temperature or until the difference between collector and tank temperature reaches solar pump deactivati...

Page 6: ...raising the temperature of water in the tank to the required disinfection temperature read from the upper sensor of the tank in the case of using an optional sensor the user should make sure that it...

Page 7: ...nd connecting an additional controlling module ST 65 which is not included in the standard controller set GSM module is an optional device which cooperating with the controller enables the user remote...

Page 8: ...sion of the controller menu V d Information Once this option has been selected the display shows the controller manufacturer s logo and current software version V e Factory settings This function is u...

Page 9: ...ure Pumps Regulated revolutions Maximum collector temperature Solar pump deactivation delta Solar pump activation delta Gear coefficient Solar pump working minimum Solar pump working maximum Installat...

Page 10: ...tank until the maximum temperature is reached To prevent the accumulation of too hot water in the tank Cooling to pre set temperature function should be activated Once activated when the collector te...

Page 11: ...etting the user declares the value of the collector maximum alarm temperature at which the pump may be damaged This temperature should be adjusted according to the collector technical specification Du...

Page 12: ...collector pump for a short period of time when standard conditions of pump activation are not met Sampling forces short time activation of the pump after the collector temperature increase of at leas...

Page 13: ...r The user defines activation delta the difference between the pre set tank temperature and the current tank temperature at which the controller sends a signal to fire up the boiler Next the user sele...

Page 14: ...ime period which means all the time Sensor 4 is required for it to operate correctly it should be installed in the external DHW tank This function will not operate in the installation scheme which use...

Page 15: ...rotections In order to ensure safe and failure free operation the controller is equipped with a range of protections 1 Sensor protection If one of the sensors is damaged an acoustic signal is activate...

Page 16: ...01N controller should be checked for condition of its cables The user should also check if the controller is properly mounted and clean it if dusty or dirty Power supply 230V 10 50Hz Power consumption...

Page 17: ...ictorial diagram it cannot replace CH installation project Its aim is to present how the controller may be expanded This heating installation diagram does not include protective elements which are nec...

Page 18: ...EU 401N User s manual v 1 1 3 18 PWM pump connection scheme...

Page 19: ...o electromagnetic compatibility EU OJ L 96 of 29 03 2014 p 79 Directive 2009 125 EC establishing a framework for the setting of ecodesign requirements for energy related products as well as the regula...

Page 20: ...EU 401N User s manual v 1 1 3 20...