Ideal Boilers Atlantic 24, Инструкция по установке и обслуживанию, Страница: 46 / 80

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Installation and Servicing
SECTION 3 - SERVICING
3.17 MAIN PCB REPLACEMENT
* Note. that production boiler PCB’s are factory pre-set to operate for
boiler range and output, but when ordering PCB as a spare
Note. Fit the earth strap provided with the PCB to your wrist and secure
to a suitable earth on the boiler chassis.
1. Refer to Section 3.8.
2. Rotate all control knobs into the upright position.
3. Remove the 2 screws retaining the control box cover.
4. Carefully lift the cover at the front & pull forward to remove.
5. Unplug all connections to the PCB.
6. Remove the two screws that secure the PCB
7.
Spring out the four side retaining clips and pull the PCB upwards to
clear the retaining posts.
8. Unclip the light guide and secure this to the new PCB
9. Insert the new PCB and secure all electrical connections. Ensure
control knobs are correctly aligned with PCB.
10. Reassemble in reverse order.
11. a. Turn power on, display shows uP.
Rotate all three dials fully anti-clockwise.
b. Press RESTART, display shows oF
c. Turn power off
d. Turn power on, display shows F9
e. Using central heating knob, rotate clockwise to select between “C”
(combi with preheat) or “ES” (combi without preheat).
f. Using central heating knob, rotate clockwise or anticlockwise to
show “n” for Natural Gas, then press restart button.
g. Using central heating knob rotate clockwise or anticlockwise to show
boiler size, select correct 24, 30 or 35 then press restart button.
h. Display shows “C”, “n”, Boiler size, internal number.
j. Press restart. New PCB is now programmed.
12.
Check operation of the boiler.
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SER
VICING