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
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