ALHENA TECH K 50
1 Operating instructions ........................................................................................................ 273
1.1 Introduction......................................................................................................................................... 273
1.2 Control panel ...................................................................................................................................... 273
1.4 Adjustments........................................................................................................................................ 279
2 Installation ............................................................................................................................ 288
2.1 General Instructions ........................................................................................................................... 288
2.2 Place of installation ............................................................................................................................ 288
2.3 Plumbing connections ........................................................................................................................ 288
2.4 Gas connection .................................................................................................................................. 290
2.5 Electrical connections......................................................................................................................... 290
2.6 Fume ducts......................................................................................................................................... 294
3 Service and maintenance.................................................................................................... 301
3.1 Adjustments........................................................................................................................................ 301
3.2 Commissioning ................................................................................................................................... 308
3.3 Maintenance ....................................................................................................................................... 309
3.4 Troubleshooting.................................................................................................................................. 311
4.2 General view ...................................................................................................................................... 316
4.3 Hydraulic circuit .................................................................................................................................. 317
4.4 Technical data table ........................................................................................................................... 318
4.5 Diagrams ............................................................................................................................................ 321
4.6 Wiring diagram ................................................................................................................................... 322
272
cod. 3542A220 - Rev 01 - 07/2022