Hitachi 7E300020, Technical Catalogue, Page: 5 / 158

TCGB0075 rev.0 - 11/2012
General Index
Contents ..............................................................................................................................3
1. General information .......................................................................................................9
1.1 General information ..................................................................................................................................10
1.1.1 General notes ................................................................................................................................................ 10
1.1.2 Introduction .................................................................................................................................................... 10
1.1.3 Environment-friendly units ..............................................................................................................................11
1.2 Applied symbols ........................................................................................................................................12
1.3 Product guide............................................................................................................................................13
1.3.1 Product guide ................................................................................................................................................ 13
1.3.2 Model’s classification ..................................................................................................................................... 15
1.3.3 Accessory code list ........................................................................................................................................ 16
2. Features and benefits ..................................................................................................19
2.1 Main features ............................................................................................................................................20
2.2 Selection benefits .....................................................................................................................................21
2.2.1 Environment-friendly system ......................................................................................................................... 21
2.2.2 Water outlet temperature up to 80 ºC ............................................................................................................ 22
2.2.3 SMART cascade cycle .................................................................................................................................. 23
2.2.4 High efficiency system ................................................................................................................................... 25
2.2.5 Wide capacity range ...................................................................................................................................... 25
2.2.6 Nominal heating capacity stable at low outdoor ambient temperatures ........................................................ 26
2.2.7 Adaptability to the customer’s/system needs ................................................................................................ 26
2.2.8 Wide range of accessories ............................................................................................................................ 26
2.2.9 Advanced technology .................................................................................................................................... 27
2.3 Installation benefits ...................................................................................................................................37
2.3.1 Different possibles installation types ............................................................................................................. 37
2.3.2 Easy unit installation ...................................................................................................................................... 38
2.3.3 Easy and flexible electrical installation .......................................................................................................... 39
2.4 Start-up benefits .......................................................................................................................................40
2.4.1 Start-up by pressing the Run/Stop button of LCD user’s interface ............................................................... 40
2.4.2 Floor screed drying (Circuits 1 & 2) (Optional function) ................................................................................ 40
2.4.3 Test run operation from LCD user’s interface ................................................................................................ 40
2.5 Control features ........................................................................................................................................41
2.5.1 Easy to use - New LCD user’s interface (PC-S80TE) ................................................................................... 41
2.6 Control features ........................................................................................................................................43
2.6.1 Flexible space heating configuration and control .......................................................................................... 43