IDEAL Logic Combi 35 User Manual

47
SERVICING
Ideal Logic Combi - Installation and Servicing
59 SAFETY RELIEF VALVE RENEWAL
1. Refer to Frame 43.
2. Drain the boiler. Refer to Frame 57.
3. Remove the clip on return thermistor. Refer to frame 47.
4. Pull out and remove the clip (positioned behind the safety
valve) retaining the safety valve.
5. Undo the safety valve pipe compression tting positioned
outside the boiler casing.
6. Lift out the safety valve/pipe assembly.
7. Remove the safety valve pipe and transfer to the new safety
valve.
8. Reassemble in reverse order ensuring the retaining clip is
correctly tted, the pipe compression tting retightened and
return thermistor is re-clipped.
9. Rell the boiler. Check operation of the boiler. Refer to
Frames 32 & 33.
60 PUMP AUTOMATIC AIR VENT REPLACEMENT
1. Refer to Frame 43.
2. Drain the boiler. Refer to Frame 57.
3. Remove the expansion vessel. Refer to Frame 69.
4. Firstly, increase access area by disconnecting the 22mm pipe connection at
top of pump chamber and bottom of heat exchanger and remove pipe Refer to
Frame 59 (no’s 5,6 & 7).
5. The automatic air vent head is retained in the pump body with a bayonet
connection. The air vent head and oat assembly is removed by turning the
head anti-clockwise (viewed from above) and pulling upwards.
6. Reassembly is the reverse of the above. Ensure the air vent head ‘o’ ring seal
is in place when retting and the new ‘o’ ring is tted to the return pipe top
connection.
7. Ensure the air vent cap is loose.
8. Rell the boiler. Refer to Frame 24. Check for leaks around the new air vent
joint.
9. Check the operation of the boiler. Refer to Frames 32 & 33.
5
3 4
Dust Cap
61 DHW FILTER & DHW FLOW REGULATOR CLEANING/REPLACEMENT
1. Refer to Frame 43.
2. Drain the DHW system. Refer to Frame 57.
3. Turn the housing anti clockwise and pull
forward to remove the cartridge.
4. Using a pair of pliers, pull out the plastic
lter/ow regulator.
5. Clean or replace lter as necessary.
6. Reassemble in reverse order.
7. Rell the boiler.
8. Check operation of the boiler. Refer to
Frames 32 & 33.
3
4
SERVICING

IDEAL Logic Combi 35 Specifications

General

Brand	IDEAL
Model	Logic Combi 35
Category	Boiler
Language	English