Daikin EWYT090CZHBA2 Bedienungsanleitung

Daikin Klimaanlage EWYT090CZHBA2

Lies die bedienungsanleitung für Daikin EWYT090CZHBA2 (52 Seiten) kostenlos online; sie gehört zur Kategorie Klimaanlage. Dieses Handbuch wurde von 2 Personen als hilfreich bewertet und erhielt im Schnitt 5.0 Sterne aus 1.5 Bewertungen. Hast du eine Frage zu Daikin EWYT090CZHBA2 oder möchtest du andere Nutzer dieses Produkts befragen? Stelle eine Frage

Download PDF

Seite 1/52

Original Instructions

Public

REV

Date

04/2025

Supersedes

D-EIMHP01405-21_010EN

Installation, Operation and Maintenance Manual

Air to water heat pump units with scroll compressors

EWYT~CZ / EWAT~CZ

Installation, Maintenance and Operation Manual

D-EIMHP01405-21_11EN

D-EIMHP01405-21_11EN 2/52 
CONTENTS 
 
INTRODUCTION ..............................................................................................................................................................4 
1  Precautions against residual risks ...........................................................................................................................4 
2  General description ..................................................................................................................................................5 
3  Information about the refrigerant..............................................................................................................................5 
4  Installation information .............................................................................................................................................6 
RECEIPT OF THE UNIT...................................................................................................................................................8 
STORAGE ........................................................................................................................................................................9 
MECHANICAL INSTALLATION .....................................................................................................................................10 
1  Safety .....................................................................................................................................................................10 
2  Handling and lifting.................................................................................................................................................10 
2.1  Lifting the MONO unit .................................................................................................................................10 
2.2  Lifting the DUAL unit ...................................................................................................................................11 
3  Positioning and assembly ......................................................................................................................................12 
3.1  Mounting the main switch handle ...............................................................................................................16 
4  Minimum space requirements ................................................................................................................................16 
5  Additional installation site requirements.................................................................................................................18 
6  Noise and acoustic protection ................................................................................................................................19 
7  Water circuit for connection with the unit ...............................................................................................................20 
7.1  Water piping ................................................................................................................................................20 
7.2  Flow-switch .................................................................................................................................................20 
7.3  Heat recovery (optional) .............................................................................................................................21 
7.4  Preparing and checking the water circuit connection .................................................................................22 
7.5  Water pressure ...........................................................................................................................................22 
7.6  Hydraulic diagram .......................................................................................................................................22 
8  Water treatment .....................................................................................................................................................23 
9  Water pressure drops for filters ..............................................................................................................................24 
10 Pump kit mounted on board (Optional) ..................................................................................................................24 
11 Operation limits ......................................................................................................................................................25 
12 Operating stability and minimum water content in the system ..............................................................................27 
12.1 Cooling Mode..............................................................................................................................................27 
12.2 Heating Mode .............................................................................................................................................28 
13 Calibrating the expansion vessel ...........................................................................................................................28 
14 Antifreeze protection for BPHE and recovery exchangers ....................................................................................29 
ELECTRICAL INSTALLATION .......................................................................................................................................31 
1  General specifications ............................................................................................................................................31 
2  Electric connections ...............................................................................................................................................31 
3  Cable requirements ................................................................................................................................................31 
3.1  Maximum cable dimension .........................................................................................................................32 
3.2  Safety device requirements ........................................................................................................................33 
4  Phase unbalance ...................................................................................................................................................33 
OPERATION ...................................................................................................................................................................34 
1  Operator’s reponsibilities........................................................................................................................................34 
MAINTENANCE..............................................................................................................................................................35 
1  Pressure / temperature table .................................................................................................................................36 
2  Routine maintenance .............................................................................................................................................36 
2.1  Air Heat Exchanger Maintenance ...............................................................................................................37 
2.2  Electrical Installation ...................................................................................................................................37 
2.3  Service and limited warranty ......................................................................................................................37 
2.4  Refrigerant circuit scheme ..........................................................................................................................40 
LIST OF THE LABELS APPLIED TO THE UNIT ...........................................................................................................45 
COMMISSIONING ..........................................................................................................................................................47 
IMPORTANT INFORMATION ON THE REFRIGERANT USED ...................................................................................48 
PERIODIC CHECKS AND COMMISSIONING OF PRESSURE EQUIPMENT .............................................................49 
DISMISSION AND DISPOSAL .......................................................................................................................................50 
 
 