Daikin EWWT100Q - Table of Contents

D-EIMHP01702-23_00EN- 2/72
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