Daikin EWYD-BZ Series, Installation, Maintenance & Operation Manual

Page: 4 / 64

Temperature and pressure sensors.............................................................................................................................. 54
Test sheet ........................................................................................................................................................................ 55
Water side measurements............................................................................................................................................ 55
Refrigerant side measurements ................................................................................................................................... 55
Electrical measurements .............................................................................................................................................. 55
Service and limited warranty.......................................................................................................................................... 56
Periodic obligatory checks and starting up of appliances under pressure ............................................................... 57
Important information regarding the refrigerant used ................................................................................................. 58
Disposal........................................................................................................................................................................ 60
Index of tables
Table 1 - Acceptable water quality limits
…………………………………………………………………………………………22
Table 2 - Electrical data of optional pumps
…………………………………………………………………………………….29
Table 3 - Typical working conditions with compressors at 100%..............................................................................46
Table 4 - Routine maintenance programme
……………………………………………………………………………………49
Table 5 - Pressure/ Temperature
……………………………………………………………………………………………….53
Index of figures
Figure 1 - Operating limits in cooling mode - EWYD~BZSS / EWYD~BZSL
………………………………………............16
Figure 2 - Operating limits in heating mode - EWYD~BZSS / EWYD~BZSL
……………………………………………….16
Figure 3 - Lifting the unit
………………………………………………………………………………………………………….18
Figure 4 - Minimum clearance requirements for machine maintenance
…………………………………………………….19
Figure 5 - Minimum recommended installation clearances
……………………………………………………………………20
Figure 6 - Water piping connection for evaporator
………………………………………………………………………….....21
Figure 7 - Water piping connection for heat recovery exchangers
…………………………………………………………..21
Figure 8 - Adjusting the safety flow switch
……………………………………………………………………………………..23
Figure 9 - Single- and twin-pump hydronic kit
………………………………………………………………………………….23
Figure 10 - Low lift water pumps kit (option on request) - Lift diagrams
…………………………………………………….24
Figure 11 - High lift water pumps kit (option on request) - Lift diagrams
……………………………………………………...25
Figure 12 - Evaporator pressure drop
…………………………………………………………………………………………..26
Figure 13 - Partial heat recovery pressure drop
……………………………………………………………………………….27
Figure 14 - User connection to the interface M3 terminal boards
…………………………………………………………….31
Figure 15 - Power absorbed by the compressor depending on the load
…………………………………………………….32
Figure 16 - Typical diagram of a VFD
…………………………………………………………………………………………..33
Figure 17 - Harmonics on the grid
………………………………………………………………………………………………33
Figure 18 - Harmonic content with and without line inductance
………………………………………………………………34
Figure 19 - Harmonic content varying according to the percentage of non-linear loads
…………………………………..34
Figure 20 - Refrigeration cycle
……………………………………………………………………………………………………36
Figure 21 - Refrigeration cycle with partial heat recovery
……………………………………………………………………..38
Figure 22 - Picture of Fr3100 compressor
……………………………………………………………………………………..39
Figure 23 - Compression process
……………………………………………………………………………………………….40
Figure 24 - Capacity control mechanism for Fr3100 compressor
…………………………………………………………….41
Figure 25 - Continuously variable capacity control for Fr3100 compressor
…………………………………………………42
Figure 26 - Installation of control devices for Fr3100 compressor
…………………………………………………………..49
Figure 27 - Front and back views for Fr3100
……………………………………………………………………………………52
D-EIMHP00508-16EN - 4/64