Kaisai KHY-12PY3, User Manual

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Contents
1. Introduction .................................................................................................... 5
2. Safety instructions.......................................................................................... 6
3. Features of the device ..................................................................................... 8
4. Functions ......................................................................................................... 9
4.1. Advanced control ....................................................................................................................................................9
4.2. Modern design .........................................................................................................................................................9
4.3. Easy installation .......................................................................................................................................................9
4.4. Quiet operation ........................................................................................................................................................9
4.5. High heat exchange coefficient ...........................................................................................................................9
4.6. Wide operating range .............................................................................................................................................9
5. Maintenance .................................................................................................10
6. Inspection .....................................................................................................10
6.1. Preparation for Inspection and Maintenance ............................................................................................... 10
6.2. Product Cleaning .................................................................................................................................................. 11
7. Accessories ...................................................................................................11
7.1. Accessories included with the unit .................................................................................................................. 11
8. Precautions ...................................................................................................12
8.1. Before Installation ................................................................................................................................................ 12
8.2. Handling and Transportation ............................................................................................................................ 12
9. Operation and Inspection .............................................................................12
9.1. Display Interface Description ............................................................................................................................ 12
10. The functions of the Domestic Hot Water (DHW) .....................................19
11. 3-way cooling valve.....................................................................................21
12. SG Ready......................................................................................................21
12.1. Schematic of the mainboard .......................................................................................................................... 21
12.2. Smart Grid Ready=1.......................................................................................................................................... 21
12.3. Smart Grid Ready=2.......................................................................................................................................... 22
12.4. Parameters .......................................................................................................................................................... 26
13. Add multi-zone control function ................................................................30
13.1. Application .......................................................................................................................................................... 30
13.2. Zone control ........................................................................................................................................................ 32
13.3. Various Zone Options ........................................................................................................................................ 36
13.4. Setting the Target Temperature for Zone 1 ................................................................................................. 38
13.5. Setting the Target Temperature for Zone 2 .................................................................................................. 40
13.6. Setting temperature for zone control in cooling mode............................................................................. 42
13.7. Zone Control Function Parameters ............................................................................................................... 42
13.8. Parameters .......................................................................................................................................................... 43
14. Muting .........................................................................................................45
15. Curve ...........................................................................................................45
16. Failure ..........................................................................................................46