Ideal Boilers i-mini 24 Installation And Servicing

Contents

45SERVICINGi-mini - Installation and Servicing56 saFETy RELIEF VaLVE RENEWaL57 pUMp aUTOMaTIC aIR VENT REpLaCEMENT1. Refer to Frame 40.2. Drain the boiler. Refer to Frame 54.3. Remove the expansion vessel. Refer to Frame 66.4. Firstly, increase access area by disconnecting the 22mm pipe connectionat top of pump chamber and bottom of heat exchanger and remove pipe.5. The automatic air vent head is retained in the pump body with a bayonetconnection. The air vent head and float assembly is removed by turningthe head anti-clockwise (viewed from above) and pulling upwards.6. Reassembly is the reverse of the above. Ensure the air vent head ‘o’ ringseal is in place when refitting and the new ‘o’ ring is fitted to the return pipetop connection.7. Ensure the air vent cap is loose.8. Refill the boiler. Check for leaks around the new air vent joint.9. Check the operation of the boiler. Refer to Frames 29 & 30.5Dust Cap1. Refer to Frame 40.2. Drain the boiler. Refer to Frame 54.3. Remove the clip on return thermistor. Refer to frame 44.4. Pull out and remove the clip (positioned behind the safetyvalve) retaining the safety valve.5. Undo the safety valve pipe compression fitting positionedoutside the boiler casing.6. Lift out the safety valve/pipe assembly.7. Remove the safety valve pipe and transfer to the new safetyvalve.8. Reassemble in reverse order ensuring the retaining clip iscorrectly fitted, the pipe compression fitting retightened andreturn thermistor is re-clipped.9. Refill the boiler. Check operation of the boiler. Refer toFrames 29 & 30.3 461 DhW FILTER & DhW FLOW REgULaTOR CLEaNINg/REpLaCEMENT1. Refer to Frame 40.2. Drain the DHW system. Refer to Frame 54.3. Turn the housing anti clockwise and pullforward to remove the cartridge.4. Using a pair of pliers, pull out the plasticfilter/flow regulator.5. Clean or replace filter as necessary.6. Reassemble in reverse order.7. Refill the boiler.8. Check operation of the boiler. Refer toFrames 29 & 30.34sERVICINg