Expansion Vessel Recharging & Replacement - Ideal Heating LOGIC+ SYSTEM S18 Installation & Servicing

3.28 EXPANSION VESSEL RECHARGING & REPLACEMENT
RECHARGING
1. Remove the charge point cover.
2. Recharge the tank pressure to 75kPa.
3. Re-assemble in reverse order
4. Check operation of the boiler. Refer to
Sections 2.25 & 2.26.
REPLACEMENT
5. Refer to Section 3.9.
6. Drain the boiler CH circuit. Refer to Section
3.20.
7. Remove the retaining clip on the vessel
water connection pipe.
8. Support the expansion vessel and unscrew
the 2 screws from the securing clamp,
located on the top of the boiler, and remove.
(Note the position of the bracket on the
vessel)
9. Remove the expansion vessel.
10. Fit the new expansion vessel.
11. Reassemble in reverse order ensuring the
"o" ring is in place.
12. Refill the boiler. Refer to Section 2.19.
13. Check operation of the boiler. Refer to
Sections 2.25 & 2.26.
Installation and Servicing
SECTION 3 - SERVICING
7
Recharge
Point
8
51