IDEAL Concord CXA 40/H, Руководство по установке и обслуживанию

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Concord CXA/H -
Installation and Servicing
23
SERVICING
Overheat
thermostat
Reset
button
1
CON5231
38 CONTROL SENSOR
POTENTIOMETER ASSEMBLY
1. Undo the thermostat knob retaining screw and pull
off the knob.
2. Remove the lower front panel
3. Undo the backnut and washer retaining the
potentiometer.
4. Undo the 2 screws securing the control box front
panel, lift it and carefully lower it down.
5. Pull off the connections at the back of the
potentiometer and the plug from the PCB.
6. Fit the new potentiometer, and reassemble in
reverse order, ensuring that the connections on the
back of the potentiometer are made either to the top
2 or the bottom 2 tags and that the lug on the
potentiometer body locates through the hole in the
front panel of the control box.
39 CONTROL SENSOR
3. Slacken the 2 screws securing the control box
front panel, lift it and carefully lower it down.
4. Pull out the sensor plug from the printed circuit
board and release cable clamp from the back
panel.
5. Pull the sensor lead through the grommeted hole
in the back panel and the wire clips.
6. Fit the new sensor and reassemble in reverse
order, ensuring that the lead is rerouted along the
casing in the clips provided.
1. Remove the lower front and top panel. Refer to
Frame 27.
2. Remove the sensor from the thermostat pocket in
the rear heat exchanger section by removing the
Heyco bush.
Sensor
pocket
Sensor
lead
Heyco
bush
42 OVERHEAT THERMOSTAT
1. Remove the split pin
from the overheat
thermostat pocket
and remove the phial.
2. Unclip the capillary
from its clips on the
casing side panel.
3. Loosen the 2 x M3
screws and remove
the thermostat
assembly from its
fixing bracket.
4. Undo the screw and
remove the cover.
5. Remove the wires.
6. Undo the backnut
and remove the
thermostat.
7. Fit the new
thermostat and
secure with the
backnut.
8. Reconnect the wires as follows:
1. Pink 2. White 3. Red
Reconnect the earth terminal
9. Reassemble in reverse order.
Con 1500
PCB
Plug
Potentiometer
Backnut
Thermostat knob
Printed circuit
board
Con 1968
Cable clamp
Sensor plug
SER
VICING