Alde Comfort 2923, Руководство по обслуживанию, Страница: 17 / 28

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Fig
Fig
6:15 RePLACING tHe 12v CIRCuLAtIoN
PumP
1. Remove the upper front plate (see fig 12).
. Disconnect the connection cables (fig 36 A) on the top
of the circulation pump or at the connection block.
. Slacken the plastic nut (fig 36 B) and lift up the circula -
tion pump from the expansion chamber.
. Transfer the nut to the new pump and connect the
cables. nOtE! Polarity.
. Lower the pump into the expansion chamber and
tighten the nut.
. Start the circulation pump and check the direction of
rotation in accordance with the arrow on the motor.
If the direction of rotation is wrong, shift the cables on
the connections.
7. Fit the front plate.
:1 REPlACIng A COmPlEtE COntROl
BOx WIth PAnEl
1. Remove the hatch (6:11) and front plates (see fig 12).
. Switch off the main power switch and set the thermostat
knob in the ignition position. Remove the screw which
holds the rod to the automatic knob (see fig 15 A).
Press the knob and carefully lift the rod from the knob.
. Carefully push the rod up with the knob towards the
control panel. Remove the screw (fig 34 A) and take
away the knob and rod.
. Pull the electrical contact from the top cover. Unfasten
the connection block and the earthed connection on the
top cover, the earth cable on the burner unit, as well as
the cables on the circulation pump. Pull out the connec
-
tion block from the electrical cartridge, pull forward and
unfasten the cables and ignition cable from the clips.
. Remove the control box by unscrewing the screws
(fig 35 A) and pressing the catches (fig 35 B) inwards.
. Transfer the ignition transformer to the new control box,
note the location of the cables, fit the cables.
7. Fit the connection block and the earthed connections in
the top cover, earth cable on the burner unit, the cables
to the 12 V circulation pump, as well as the connection
block to the electrical cartridge.
8. Install the control box by pressing it into the metal
sweep of the boiler until the catches in the box lock.
Drill four new holes in the control box and attach it with
screws through the plate sweep.
9. Fit the top knob and screw it on to the rod. Then screw
the rod into the lower automatic unit knob. Check that
the setting on the upper knob corresponds to the setting
on the lower knob (it may be turned one-half rev wrong).
10. Connect the electrical contacts in the top cover of the
boiler. Switch on the main power switch, turn the ther -
mostat knob to the ignition position and check that the
indicator lamp flashes, and that there are sparks at the
spark plug. If necessary, adjust the micro-switch. Carry
out a complete functional check on the control panel
to ensure that all functions are OK. Test-start the boiler
and check that the thermostat knob can rotate freely.
11. Fit the front plates (see fig 12). Fit and close the hatch.
:1 REPlACIng thE mOtOR On thE
12 v CIRCuLAtIoN PuMP
1. Remove the circulation pump in accordance with
Chapter 6:15, paragraphs 1-3.
. Unfasten the screws (fig 36 C) and pull out the motor
including the rubber coupling from the pump shaft.
. Install the new motor including rubber coupling by first
pressing it on to the pump shaft and then attaching the
motor with the screws.
. Re-install the circulation pump in accordance with
Chapter 6:15, paragraphs 4-7.
A
B
A
B
A
B
C