Daikin EWAT040CZNBA1 Bedienungsanleitung
Daikin
Klimaanlage
EWAT040CZNBA1
Lesen Sie kostenlos die 📖 deutsche Bedienungsanleitung für Daikin EWAT040CZNBA1 (43 Seiten) in der Kategorie Klimaanlage. Dieser Bedienungsanleitung war für 18 Personen hilfreich und wurde von 2 Benutzern mit durchschnittlich 4.5 Sternen bewertet
Seite 1/43
Original Instructions
REV
06
Date
08/2023
Supersedes
D-EIMHP01405- 521_0 EN
Air to water heat pump units with scroll compressors
EWYT~CZ / EWAT~CZ
Installation, Maintenance and Operation Manual
D-EIMHP01405- 621_0 EN
D-EIMHP01405-21_06EN 2/ 43
CONTENTS
1 INTRODUCTION ..............................................................................................................................................................4
1.1 Precautions against residual risks ...........................................................................................................................4
1.2 General description ..................................................................................................................................................5
1.3 Information about the refrigerant 5 ..............................................................................................................................
1.4 Installation information .............................................................................................................................................6
2 RECEIPT OF THE UNIT 8 ...................................................................................................................................................
3 STORAGE ........................................................................................................................................................................8
4 MECHANICAL INSTALLATION 9 .......................................................................................................................................
4.1 Safety .......................................................................................................................................................................9
4.2 Handling and lifting 9 ...................................................................................................................................................
4.2.1 Lifting the MONO unit ...................................................................................................................................9
4.2.2 Lifting the DUAL unit ...................................................................................................................................10
4.3 Positioning and assembly ......................................................................................................................................10
4.3.1 Mounting the main switch handle ...............................................................................................................11
4.4 Minimum space requirements ................................................................................................................................11
4.5 Additional installation site requirements .................................................................................................................13
4.6 Noise and acoustic protection ................................................................................................................................14
4.7 Water circuit for connection with the unit ...............................................................................................................15
4.7.1 Water piping ................................................................................................................................................15
4.7.2 Flow-switch .................................................................................................................................................15
4.7.3 Heat recovery (optional) .............................................................................................................................16
4.7.4 Preparing and checking the water circuit connection .................................................................................17
4.7.5 Water pressure ...........................................................................................................................................17
4.7.6 Hydraulic diagram .......................................................................................................................................17
4.8 Water treatment .....................................................................................................................................................18
4.9 Water pressure drops for lters ..............................................................................................................................19
4.10 Pump kit mounted on board (Optional) ..................................................................................................................19
4.11 Operation limits ......................................................................................................................................................20
4.12 Operating stability and minimum water content in the system ..............................................................................22
4.13 Calibrating the expansion vessel ...........................................................................................................................23
4.14 Antifreeze protection for BPHE and recovery exchangers ....................................................................................24
5 ELECTRICAL INSTALLATION .......................................................................................................................................26
5.1 General specications ............................................................................................................................................26
5.2 Electric connections ...............................................................................................................................................26
5.3 Cable requirements ................................................................................................................................................26
5.3.1 Maximum cable dimension .........................................................................................................................27
5.3.2 Safety device requirements ........................................................................................................................28
5.4 Phase unbalance ...................................................................................................................................................28
6 . OPERATOR’S REP ONSIBILITIES................................................................................................................................ 29
7 MAINTENANCE ..............................................................................................................................................................30
7.1 Pressure / temperature table . ................................................................................................................................ 31
7.2 Routine maintenance .............................................................................................................................................31
7.2.1 Air Heat Exchanger Maintenance ...............................................................................................................31
7.2.2 Electrical Installation ...................................................................................................................................32
7.2.3 Service and limited warranty ......................................................................................................................32
7.2.4 Refrigerant circuit scheme ..........................................................................................................................35
8 LIST OF THE LABELS APPLIED TO THE UNIT ...........................................................................................................39
9 COMMISSIONING ..........................................................................................................................................................40
10 IMPORTANT INFORMATION ON THE REFRIGERANT USED ...................................................................................41
11 PERIODIC CHECKS AND COMMISSIONING OF PRESSURE EQUIPMENT .............................................................41
12 DISMISSION AND DISPOSAL .......................................................................................................................................41
D-EIMHP01405-21_06 3/EN 43
List of gures
Figure 1 Lifting the MONO unit –............................................................................................................................................ 9
Figure 2 Lifting the DUAL unit –............................................................................................................................................. 10
Figure 3 MONO unit positioning –......................................................................................................................................... 10
Figure 4 DUAL unit positioning –.......................................................................................................................................... 10
Figure 5 Mounting holes location (bottom view) –................................................................................................................. 11
Figure 6 DUAL-Unit –........................................................................................................................................................... 12
Figure 7 Units installed side by side along their shorter sides, B or D –.................................................................................. 13
Figure 8 Units installed side by side along their longer sides (Case 1 and Case 2) –.............................................................. 13
Figure 9 Seaside installation of the outdoor unit –.................................................................................................................. 14
Figure 10 Hydraulic diagram –............................................................................................................................................... 17
Figure 11 - Water lter pressure drops .................................................................................................................................. 19
Figure 12 - External pressure head of Low Lift Pump ............................................................................................................ 19
Figure 13 - External pressure head of High Lift Pump ........................................................................................................... 20
Figure 14 Operating limits on EWATCZ –............................................................................................................................ 20
Figure 15 - Operating limits on EWYTCZ in cooling mode .................................................................................................... 21
Figure 16 - Operating limits on EWYTCZ in heating mode .................................................................................................... 21
Figure 17 - Minimum water volume correction factor ............................................................................................................ 23
Figure 18 - Initial expansion vessel pressure on the basis of maximum water volume ........................................................... 24
Figure 19 - Refrigerant circuit (P&ID) diagram for MONO circuit EWYT~CZ unit ................................................................... 35
Figure 20 - Refrigerant circuit (P&ID) diagram for MONO circuit EWAT~CZ unit ................................................................... 36
Figure 21 - Refrigerant circuit (P&ID) diagram for DUAL circuit EWYT~CZ unit ..................................................................... 37
Figure 22 - Refrigerant circuit (P&ID) diagram for DUAL circuit EWAT~CZ unit ..................................................................... 38
Figure 23 - Labels on the unit ............................................................................................................................................... 39
List of tables
Table 1- Physical properties of R32 refrigerant ....................................................................................................................... 6
Table 2 - Minimum glycol percentage for low ambient air temperature .................................................................................. 15
Table 3 - Flow Switch Setpoint .............................................................................................................................................. 16
Table 4 Operating limits –...................................................................................................................................................... 16
Table 5 - Acceptable water quality limits ............................................................................................................................... 18
Table 6 - Pump curve associated with each unit size ............................................................................................................ 20
Table 7 - Minimum water content in the system .................................................................................................................... 22
Table 8 Main Switch unified clamping values –..................................................................................................................... 27
Table 9 - Table 1 of EN602041 Point 5.2 .............................................................................................................................. 27
Table 10 - R32 Pressure/Temperature .................................................................................................................................. 31
Table 11 - Standard Routine Maintenance Plan ................................................................................................................. 33
Table 12 Routine Maintenance Plan for Critical Application and/or Highly Aggressive Environment –................................... 34
Table 13 - Labels applied to the Unit ..................................................................................................................................... 39
Table 14 - Checks before starting up the unit ........................................................................................................................ 40
Produktspezifikationen
Marke: | Daikin |
Kategorie: | Klimaanlage |
Modell: | EWAT040CZNBA1 |
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