Daikin EWAD E-SS Series Installation, Operation And Maintenance Manual page 4

Air-cooled single circuit screw chiller

Table of Contents

Oil filter replacement....................................................................................................................................................... 66

Oil filter replacement procedure ..................................................................................................................................... 66

Refrigerant charge .......................................................................................................................................................... 67

Refrigerant replenishment procedure ............................................................................................................................. 68

Standard Checks ............................................................................................................................................................... 69

Temperature and pressure transducers ......................................................................................................................... 69

Test sheet ........................................................................................................................................................................... 70

Fluid side measurements ............................................................................................................................................... 70

Refrigerant side measurements ..................................................................................................................................... 70

Electrical measurements ................................................................................................................................................ 70

Service and limited warranty............................................................................................................................................ 71

Periodic obligatory checks and starting up of appliances under pressure ................................................................ 71

Important information regarding the refrigerant used .................................................................................................. 71

Disposal .......................................................................................................................................................................... 73

Index of tables

Table 1 - EWAD 100E÷180E -SS - HFC 134a - Technical Data.......................................................................................... 8

Table 2 - EWAD 210E÷410E-SS - HFC 134a - Technical Data........................................................................................... 9

Table 3 - EWAD 100E÷180E-SL - HFC 134a - Technical Data ......................................................................................... 10

Table 4 - EWAD 210E÷400E-SL - HFC 134a - Technical Data ......................................................................................... 11

Table 5 - ERAD 120E÷220E-SS - HFC 134a - Technical Data ......................................................................................... 12

Table 6 - ERAD 250E÷490E-SS - HFC 134a - Technical Data ......................................................................................... 13

Table 7 - ERAD 120E÷210E-SL - HFC 134a - Technical Data .......................................................................................... 14

Table 8 - ERAD 240E÷460E-SL - HFC 134a - Technical Data .......................................................................................... 15

Table 9 - Sound levels EWAD E-SS - ERAD E-SS ............................................................................................................ 16

Table 10 - Sound levels EWAD E-SL - ERAD E-SL .......................................................................................................... 16

Table 11 - Acceptable water quality limits ........................................................................................................................... 24

Table 12 - Recomandend maximum equivalent length (m) for Suction line ....................................................................... 30

Table 13 - Recomandend maximum equivalent length (m) for Liquid line.......................................................................... 30

Table 14 - Refrigerant charge for (m) of Liquid ans suction line line ................................................................................. 31

Table 15 - Electrical Data EWAD 100E÷180E -SS ............................................................................................................. 34

Table 16 - Electrical Data EWAD 210E÷410E-SS .............................................................................................................. 34

Table 17 - Electrical Data EWAD 100E÷180E-SL .............................................................................................................. 35

Table 18 - Electrical Data EWAD 210E÷400E-SL .............................................................................................................. 35

Table 19 - Electrical Data ERAD 120E÷220E-SS ............................................................................................................... 36

Table 20 - Electrical Data ERAD 250E÷490E-SS ............................................................................................................... 36

Table 21 - Electrical Data ERAD 120E÷210E-SL ............................................................................................................... 37

Table 22 - Electrical Data ERAD 240E÷460E-SL ............................................................................................................... 37

Table 23 - Recommended Fuses and Field Wire Sizing..................................................................................................... 38

Table 24 - Electrical data for optional pumps ...................................................................................................................... 41

Table 25 - Typical working conditions with compressors at 100%...................................................................................... 61

Table 26 - Routine maintenance programme...................................................................................................................... 65

Table 27 - Pressure/ Temperature ...................................................................................................................................... 68

Index of figures

Figure 1 - Nomenclature........................................................................................................................................................ 7

Figure 2 - Operating limits - EWAD E-SS/SL ..................................................................................................................... 18

Figure 3 - Operating limits - ERAD E-SS/SL ...................................................................................................................... 18

Figure 4 - Lifting the unit...................................................................................................................................................... 20

Figure 5 - Minimum space requirements for machine maintenance ................................................................................... 21

Figure 6 - Minimum recommended installation distances ................................................................................................... 22

Figure 7 - Water piping connection for evaporator .............................................................................................................. 23

Figure 8 - Water piping connection for heat recovery exchangers ..................................................................................... 23

Figure 9 - Adjusting the safety flow switch .......................................................................................................................... 24

Figure 10 - Single- and twin-pump hydronic kit ................................................................................................................... 25

Figure 11 - EWAD E SS/SL - Available external lift for water pumps kit (option on request) - Low lift single pump ......... 26

Figure 12 - EWAD E SS/SL - Available external lift for water pumps kit (option on request) - High lift single pump ........ 26

Figure 13 - EWAD E SS/SL - Available external lift for water pumps kit (option on request) - Low lift twin pump ............ 27

Figure 14 - EWAD E SS/SL - Available external lift for water pumps kit (option on request) - High lift twin pump ........... 27

Figure 15 - Evaporator pressure drop - EWAD E SS/SL .................................................................................................... 28

Figure 16 - Heat recovery pressure drop - EWAD E SS/SL ............................................................................................... 29

D-EIMAC00708-16EN - 4/76

Table of Contents