48
/
MAINTENANCE GUIDE
1. GENERAL ACCESS
1.1 General Access
Tools
TIME
3 min
Remove the two screws
1
1.0 Disconnect the boiler
Before beginning maintenance work:
a. Disconnect the appliance from the electricity supply.
Press the ON/OFF button and wait 1 minute (the 3-way
valve turn on Stand-by position)
ATTENTION!! With the 3-way valve on heating position
is not possible to remove the motor.
Turn the external bipolar switch to the “OFF” position.
b. Close the gas valve and the central heating and domestic
hot water system valves.
1
Remove the front panel
2
Lower the electrical front panel
3
Summary of Contents for 47-116-49
Page 61: ... 61 MAINTENANCE GUIDE Unscrew the four screws to remove the heat exchanger 9 10 11 ...
Page 76: ......
Page 79: ......