48
SERVICING
icos system - Installation and Servicing
1. Refer to Frame 55.
2. Loosen the screw on the underside of
the user control.
3. Pull the display unit forward to remove.
4. Push the new display unit into position.
5. Reassemble in reverse order.
6. Check operation of the boiler. Refer to
Frame 55.
69
USER CONTROL REPLACEMENT
70
PRESSURE GAUGE REPLACEMENT
1. Refer to Frame 55.
2. Drain the boiler. Refer to Frame 73.
3. Unscrew the pressure gauge and discard.
4. Fit the new pressure gauge, using a suitable jointing
compound.
5. Refill the boiler. Refer to Frame 35.
6. Check operation of the boiler. Refer to Frame 55.
2041
Pressure gauge
Flow isolation valve
(shown in the open position)
Ecl 2382
2
Display
unit
Note. Only the display unit is replaced.
SERVICING
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