HIdRos WZA Series User manual

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TECHNICAL MANUAL
GROUND SOURCE WATER TO WATER HEAT PUMPS
WZA
SERIES
MTEC.3810.GB-C-1 2SHUDWLRQDQGPDLQWHQDQFHPDQXDO:=$VHULHV(QJOLVKRev. C 09-2020

Declaration of conformity
We declare under our own responsibility that the below equipment complies in all parts with the CEE and EN directives.
The declaration of conformity is enclosed to the technical booklet enclosed with the unit. The unit contains fluorinated greenhouse gases.
Reproduction, data storage and transmission, even partial, of this publication, in any form, without the prior written authorisation of the
company, is prohibited. The company can be contacted for all inquiries regarding the use of its products.
The company follows a policy of continuous product development and improvement and reserves the right to modify specifications,
equipment and instructions regarding use and maintenance at any time, without notice.

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TABLE OF CONTENTS
1 Introduction
1.1 Preliminary information ..........................................................................
1.2 Purpose and content of the instructions ..............................................................
1.3 Keeping the instructions ..........................................................................
1.4 Updating the instructions .........................................................................
1.5 How to use these instructions ......................................................................
1.6 Residual risks ..................................................................................
1.7 General information on safety symbols ...............................................................
1.8 Safety symbols used .............................................................................
1.9 Limits of use and non-permitted uses ................................................................
1.10 Identification of the unit ..........................................................................
2 Safety
2.1 Warnings on potentially dangerous toxic substances.....................................................
2.2 Handling .....................................................................................
2.3 Prevent the inhalation of high vapour concentrations ....................................................
2.4 Procedures in case of accidental refrigerant leakage .....................................................
2.5 Main toxicological information on the type of refrigerant used .............................................
2.6 First Aid measures...............................................................................
3 Technical characteristics
3.1 Unit description ................................................................................
3.2 Versions available ...............................................................................
3.3 Description of accessories ........................................................................
3.4 Technical data..................................................................................
3.5 Use limits .....................................................................................
3.6 Compressor partialisation steps.....................................................................
3.7 Correction factors ...............................................................................
3.8 Sound data ....................................................................................
4 Installation
4.1 General warnings and use of symbols................................................................
4.2 Health and safety of workers.......................................................................
4.3 Personal protection devices .......................................................................
4.4 Receipt and inspection ..........................................................................
4.5 Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.6 Unpacking ....................................................................................
4.7 Lifting and handling .............................................................................
4.8 Positioning and minimum technical spaces ...........................................................
4.9 Hydraulic connections ...........................................................................
4.10 Chemical characteristics of the water ................................................................
4.11 Minimum water content of utility /sanitary circuit.......................................................
4.12 Hydraulic circuit filling...........................................................................
4.13 Emptying the system .............................................................................
4.14 Typical installations .............................................................................
4.15 Electrical connections: preliminary safety information ...................................................
4.16 Electrical data ..................................................................................
4.17 Electrical connections............................................................................
4.18 Principle cooling layouts..........................................................................
5 Start-up
5.1 Preliminary checks ..............................................................................
5.2 Operating characteristics .........................................................................
5.3 Control panel ..................................................................................
5.4 Procedures ....................................................................................
6 Utility use
6.1 Main functions .................................................................................
6.2 User pages display ..............................................................................
7 Unit maintenance
7.1 General warnings ...............................................................................
7.2 Access to the unit ...............................................................................
Rev. C 09-2020MTEC.3810.GB-C-1 Operation and maintenance manual serie WZA English
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TABLE OF CONTENTS
7.3 Scheduled maintenance ..........................................................................
7.4 Periodic and initial start-up checks ..................................................................
7.5 Cooling circuit repair ............................................................................
8 Decommissioning
8.1 Disconnecting the unit ...........................................................................
8.2 Decommissioning, disposal and recycling ............................................................
8.3 WEEE Directive (EU only) .........................................................................
9 Diagnosis and troubleshooting
9.1 Troubleshooting ................................................................................
9.2 Possible anomalies and possible remedies ............................................................
Rev. C 09-2020MTEC.3810.GB-C-1 Operation and maintenance manual serie WZA English
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