Daikin EWLT100Q Handleiding

Daikin Hardwarekoeling EWLT100Q

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Pagina 1/74

Original instructions

Public

REV

Date

02/2025

Supersedes

D-EIMHP01702-23_00EN

Water Cooled Chiller & heat pump with Scroll Compressors

EWWT100-160Q Water-cooled scroll chiller

EWLT100-160Q Condenserless scroll chiller

EWHT100Q Water-cooled scroll Heat pump

Installation, Operation and Maintenance Manual

D-EIMHP01702-23_01EN

D-EIMHP01702-23_01EN- 2/74 
Contents 
1  INTRODUCTION ................................................................................................................................................. 13 
  Precautions against residual risks ....................................................................................................................... 13 
  General description ............................................................................................................................................. 14 
  Information about the refrigerant used ................................................................................................................ 14 
  Installation requirements ..................................................................................................................................... 14 
1.1.  Information about installation of systems with R32 ............................................................................................. 15 
2  RECEIVING THE UNIT ....................................................................................................................................... 17 
3  OPERATING LIMITS .......................................................................................................................................... 18 
  Storage ............................................................................................................................................................... 18 
  Operating limits ................................................................................................................................................... 18 
4  MECHANICAL INSTALLATION ......................................................................................................................... 20 
  Safety .................................................................................................................................................................. 20 
  Handling and lifting .............................................................................................................................................. 20 
  Positioning and assembly ................................................................................................................................... 22 
  Noise and sound protection ................................................................................................................................ 22 
  Water circuit for the connection of the unit .......................................................................................................... 22 
4.5.1  Water piping .......................................................................................................................................................... 22 
4.5.2  Water piping installation procedure ....................................................................................................................... 23 
4.5.3  Piping insulation .................................................................................................................................................... 28 
  Water treatment .................................................................................................................................................. 28 
  Operating stability and minimum water content in the system ............................................................................ 29 
  Anti-freeze protection for evaporator and recovery exchangers .......................................................................... 29 
5  GUIDELINES FOR REMOTE CONDENSER APPLICATION (EWLT-Q VERSION) .......................................... 30 
  Selection of piping material ................................................................................................................................. 30 
  Installation information for condenserless units .................................................................................................. 30 
  Connecting the refrigerant circuit ........................................................................................................................ 30 
5.3.1  To braze the pipe end ........................................................................................................................................... 32 
  Leak test and vacuum drying .............................................................................................................................. 32 
  Charging the unit ................................................................................................................................................. 32 
5.5.1  Fine-tuning of refrigerant charge while unit is operating ....................................................................................... 33 
5.5.2  Oil charge ............................................................................................................................................................. 33 
6  ELECTRICAL INSTALLATION .......................................................................................................................... 34 
  To install the main switch handle and shaft ......................................................................................................... 34 
  General specifications ......................................................................................................................................... 35 
6.2.1  About electrical compliance (only for EWWT100) ................................................................................................. 36 
  Electrical supply .................................................................................................................................................. 36 
  Electric connections ............................................................................................................................................ 36 
  Cable requirements ............................................................................................................................................. 37 
  Phase unbalance ................................................................................................................................................ 37 
  Connection of the power supply of the unit ......................................................................................................... 37 
  Electrical panel label description ......................................................................................................................... 38 
7  ADDITIONAL GUIDELINES FOR MODULAR APPLICATIONS ........................................................................ 39 
  Water manifold module installation ..................................................................................................................... 39 
7.1.1  Connection between manifold module and chiller unit .......................................................................................... 39 
7.1.2  Partial Heat Recovery with manifold module ........................................................................................................ 40 
7.1.3  Reference drawing in case of custom water piping ............................................................................................... 41 
  Connection of modular system ............................................................................................................................ 41 
7.2.1  Mechanical connection ......................................................................................................................................... 41 
7.2.2  Water manifold connection ................................................................................................................................... 42 
  Motor for Plate Heat Exchanger Shut-Off Valve .................................................................................................. 42 
7.3.1  Motor mechanical installation ................................................................................................................................ 43 
7.3.2  Valve actuator and Limit Switch electrical installation ........................................................................................... 44 
7.3.3  Setting of Limit Switches trigger ............................................................................................................................ 47 
  Connection of stacked units ................................................................................................................................ 48 
  Connection of more unit-manifold systems together ........................................................................................... 48 
  Pump module installation .................................................................................................................................... 49 
  Handling of the Modules ..................................................................................................................................... 50 
  Electrical installation of modules ......................................................................................................................... 52 
7.8.1  Power bar system mechanical installation ............................................................................................................ 53 
7.8.2  Power bar system electrical connection ................................................................................................................ 54 
  Fuses replacement for power bar system ........................................................................................................... 57 
7.9.1  M/S (MUSE) probes installation ............................................................................................................................ 58 
7.9.2  Unit modules M/S (MUSE) connection.................................................................................................................. 60 
  Before starting ..................................................................................................................................................... 60 
8  OPERATOR'S REPONSIBILITIES ..................................................................................................................... 62 
9  MAINTENANCE .................................................................................................................................................. 63 
  Pressure / temperature table ............................................................................................................................... 64 
  Routine maintenance .......................................................................................................................................... 64 
9.2.1  Electrical maintenance .......................................................................................................................................... 64 
9.2.2  Service and limited warranty ................................................................................................................................. 64 
10  BEFORE START-UP .......................................................................................................................................... 66 
11  DISCHARGE OF THE REFRIGERANT FROM THE SAFETY VALVES ............................................................ 68 