Daikin EWLQ014KCW1N, Installation, Operation And Maintenance Manual

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Index
1. INTRODUCTION ................................................................................................................................................... 4
1.1 Options and features (1) ............................................................................................................................. 5
1.2 Features ....................................................................................................................................................... 5
2 OPERATION RANGE ........................................................................................................................................... 6
3 SELECTION OF LOCATION ................................................................................................................................ 7
4 MAIN COMPONENTS .......................................................................................................................................... 7
5 INSPECTING AND HANDLING THE UNIT .......................................................................................................... 8
6 UNPACKING AND PLACING THE UNIT ............................................................................................................. 8
7 IMPORTANT INFORMATION REGARDING THE REFRIGERANT USED ......................................................... 8
8 SELECTION OF PIPING MATERIAL ................................................................................................................... 9
9 CONNECTING THE REFRIGERANT CIRCUIT ................................................................................................... 9
9.1 Precautions when handling piping ........................................................................................................... 9
9.2 Connecting the refrigerant circuit ........................................................................................................... 10
9.3 Leak test and vacuum drying ................................................................................................................... 11
9.4 Open the discharge- and liquid stop valves. .......................................................................................... 11
9.5 Next perform a fine-tuning ....................................................................................................................... 12
10 CHECKING THE WATER CIRCUIT ................................................................................................................... 13
10.1 Connecting the water circuit .................................................................................................................... 14
10.2 Water charge, flow and quality ................................................................................................................ 15
10.3 Water piping insulation ............................................................................................................................ 15
10.4 Refrigerant piping insulation ................................................................................................................... 15
10.5 Antifreeze protection for BPHE and recovery exchangers ................................................................... 15
11 FIELD WIRING.................................................................................................................................................... 16
11.1 Point for attention regarding quality of the public electric power supply .......................................... 16
11.2 Interconnection cables ............................................................................................................................. 16
12
OPERATOR’S REPONSIBILITIES .................................................................................................................... 17
13 MAINTENANCE .................................................................................................................................................. 18
13.1 Routine maintenance ................................................................................................................................ 18
13.2 Electrical Installation ................................................................................................................................ 19
13.3 Service and limited warranty ................................................................................................................... 19
14 BEFORE STARTING .......................................................................................................................................... 22
List of tables
Table 1-Technical specifications
(1)
............................................................................................................................ 4
Table 2-Electrical specifications
(1)
............................................................................................................................. 4
Table 3- Flare nut spaces dimensions and appropriate tightening torque ......................................................... 10
Table 4-Charging the unit ........................................................................................................................................ 12
Table 5- Water quality specification ........................................................................................................................ 14
Table 6-Water flow operation range ........................................................................................................................ 15
Table 7-Zmax
(Ω) ....................................................................................................................................................... 16
Table 8-R410A Pressure / temperature table ........................................................................................................ 18
Table 9
– Standard Routine Maintenance Plan .......................................................................................................... 19
Table 10- Routine Maintenance Plan for Critical Application and/or Highly Aggressive Environment ........... 20
Table 11-Pre-commissioning check-list ................................................................................................................. 22
List of figures
Figure 1- Operation range EWLQ014-033KC ............................................................................................................ 6
Figure 2-EWLQ049-064KC .......................................................................................................................................... 6
Figure 3-Connecting the refrigerant circuit (1) ...................................................................................................... 10
Figure 4-Connecting the refrigerant circuit (2) ...................................................................................................... 10
Figure 5-Connecting the refrigerant circuit (3) ...................................................................................................... 11
Figure 6- Connecting the refrigerant circuit (4) ..................................................................................................... 11
Figure 7- Charging the unit ...................................................................................................................................... 12
Figure 8- Water piping evaporator-plastic bag 1 ................................................................................................... 13
Figure 9-Water piping condenser-plastic bag (2) .................................................................................................. 13
Figure 10-Flowswitch installation ........................................................................................................................... 14
Figure 11- EWLQ 049 - 064 KCW1N Refrigerant circuit scheme .......................................................................... 21