MFH 230
System Control Module
WIRING INSTRUCTIONS
Page 1: ...MFH 230 System Control Module WIRING INSTRUCTIONS ...
Page 2: ...icity supply MUST facilitate complete electrical isolation of the entire installation A fused double pole switch with at least 3 mm 1 8 contact separation in both poles serving only the MFH 230 panel should be used The point of connection to the mains should be readily accessible and if possible adjacent to the MFH 230 unit WARNING INFORMATION SYMBOLS The addition of this symbol to a Danger or War...
Page 3: ...ion Always isolate the AC mains supply before installing or working on any components that require 230 V 50 Hz supply TECHNICAL INFORMATION TERMINALS 0 5 mm2 to 1 5 mm2 DIMENSIONS 92 x 350 x 57 mm MOUNTABLE DIN rail or screws WEIGHT 700 g MODEL 10 ZONES 6 ZONES PUMP CONTROL BOILER CONTROL POWER SUPPLY 230 V 230 VAC 24 V 24 VAC or 24 VDC 230 24 V 24 VAC or 24 VDC or 230 VAC MODEL MAX POWER LED INDI...
Page 4: ...end to use terminals Enclosure is designed so it can firmly connect wires between plastic strips If cables are not firm enough wire width can vary use ties to additionally block slipping POSITIONING THE ENCLOSURE Use screws or DIN rail For DIN RAIL option mount two plastic parts on back of enclosure RELAY EXPLANATION If device is supplied with relay any of zones will trigger relay In this case rel...
Page 5: ...tion to thermostat are connections for valve If needed mind the polarity Other contacts Can be used as condensation sense This contact should be closed NC in order for device to work If open it will not trigger valve and relay Clock connections Device can use two external clocks and this can be wired to thermostats if thermostat support this function Change over for change between heating and cool...
Page 6: ...magetofragilecomponents e g buttonsor batteries Thewarrantyisvoidinthecaseofabusiveandimproperhandling useofforceandinternalmodificationsnotcarriedoutbyour authorizedServiceCentre Yourstatutoryrightsarenotrestrictedinanywaybythiswarranty Thewarrantyperiodisnotextendedthrough repairsmadeunderwarranty Thisappliesalsoforreplacedorrepairedparts Anydamagesordeficienciesfoundonpurchasemustbe reportedass...