54
Time program
– Central heating........................................................21
– DHW heating...........................................................28
Tips on energy saving.................................................. 9
Troubleshooting..........................................................40
Tubular heat exchanger
– Cleaning.................................................................. 45
– Cleaning ash pan.................................................... 46
U
Use...............................................................................7
W
Weather-compensated mode.....................................50
Wintertime/summertime changeover........................... 9
Wintertime changeover................................................ 9
Wood fuel
– Limits.......................................................................48
Keyword index
Keyword index
(cont.)
5684 987 GB
Summary of Contents for Vitoligno 250-S
Page 55: ...55 5684 987 GB...