HIdRos LZTi Series User manual

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RETAIN FOR FUTURE REFERENCE
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TECHNICAL MANUAL
HEAT PUMPS AIR/WATER DC INVERTER COMPRESSOR
WITH VAPOR INJECTION (EVI)
LZTi
SERIES
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Rev. C 08-2021
2
MTEC.6110.GB-C-1 Operation and maintenance manual LZTi series English
LZTi Heat pumps air/water DC inverter compressor with vapor injection (EVI)
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Declaration of conformity
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MTEC.6110.GB-C-1 Operation and maintenance manual LZTi series English
LZTi Heat pumps air/water DC inverter compressor with vapor injection (EVI)
INDEX
1. INTRODUCTION.....................................................................................................................................................................................
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 3RWHQWLDOULVNV ....................................................................................................................................................................
 *HQHUDOGHVFULSWLRQRIV\PEROVXVHG.................................................................................................................................
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 8QLWLGHQWL¿FDWLRQ ............................................................................................................................................................
2. SAFETY .................................................................................................................................................................................................
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 5HIULJHUDQWKDQGOLQJ .........................................................................................................................................................
 3UHYHQWLRQRILQKDODWLRQRIKLJKYDSRUFRQFHQWUDWLRQV.......................................................................................................
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7(&+1,&$/&+$5$&7(5,67,&6 .........................................................................................................................................................
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3.2 Other versions ...................................................................................................................................................................
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3.8 CRUUHFWLRQWDEOHV................................................................................................................................................................
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,167$//$7,21 .......................................................................................................................................................................................
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4.4 Inspection ..........................................................................................................................................................................
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5. UNIT START UP......................................................................................................................................................................................

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MTEC.6110.GB-C-1 Operation and maintenance manual LZTi series English
LZTi Heat pumps air/water DC inverter compressor with vapor injection (EVI)
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6. USE .........................................................................................................................................................................................................
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6.2 Stop ...................................................................................................................................................................................
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7. UNIT MAINTENANCE .............................................................................................................................................................................
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7.2 Access to the unit...............................................................................................................................................................
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8. DECOMMISSIONING.............................................................................................................................................................................
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Rev. C 08-2021
5
MTEC.6110.GB-C-1 Operation and maintenance manual LZTi series English
LZTi Heat pumps air/water DC inverter compressor with vapor injection (EVI)
1. INTRODUCTION
1.1 Preliminary information
1.2 Aim and content of the manual
1.3 How to store this manual
1.4 Manual Update
1.5 How to use this manual
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Rev. C 08-2021
6
MTEC.6110.GB-C-1 Operation and maintenance manual LZTi series English
LZTi Heat pumps air/water DC inverter compressor with vapor injection (EVI)
1.6 Potential Risks
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MTEC.6110.GB-C-1 Operation and maintenance manual LZTi series English
LZTi Heat pumps air/water DC inverter compressor with vapor injection (EVI)
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MTEC.6110.GB-C-1 Operation and maintenance manual LZTi series English
LZTi Heat pumps air/water DC inverter compressor with vapor injection (EVI)
GENERAL RISK
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Rev. C 08-2021
9
Manufacturer: PD322111
Contiene gas fluorurati ad effetto serra disciplinati dal protocollo di Kyoto
Contains fluorinated greenhouse gasses covered by the Kyoto protocol
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MTEC.6110.GB-C-1 Operation and maintenance manual LZTi series English
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10
MTEC.6110.GB-C-1 Operation and maintenance manual LZTi series English
LZTi Heat pumps air/water DC inverter compressor with vapor injection (EVI)
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Rev. C 08-2021
11
MTEC.6110.GB-C-1 Operation and maintenance manual LZTi series English
LZTi Heat pumps air/water DC inverter compressor with vapor injection (EVI)
2.3 Prevent inhalation of high vapor concentration
2.4 Procedures to be adopted in the event of accidental release of refrigerant
2.5 Main Toxicological Information Regarding the Type of refrigerant used
2.5.1 Inhalation
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sphere.
2.5.2 Contact with skin
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2.5.3 Contact with eyes
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2.5.4 Ingestion
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2.6 First Aid Measures
2.6.1 Inhalation
2.6.2 Contact with skin
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Rev. C 08-2021
12
MTEC.6110.GB-C-1 Operation and maintenance manual LZTi series English
LZTi Heat pumps air/water DC inverter compressor with vapor injection (EVI)
3. TECHNICAL CHARACTERISTICS
2.6.5 Further medical treatment
3.1 Unit description
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3.1.1 Frame
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3.1.3 Refrigerant circuit
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3.1.4 Compressors
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3.1.5 Source heat exchanger
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Rev. C 08-2021
13
MTEC.6110.GB-C-1 Operation and maintenance manual LZTi series English
LZTi Heat pumps air/water DC inverter compressor with vapor injection (EVI)
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3.1.7 User heat exchangers
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protection.
3.1.8 Electric enclosure
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3.1.9 Microprocessors
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3.1.10 Control and protection devices
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3.3.11 Condensate discharge drip tray with antifreeze heater (BRCA)
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3.3.13 Electronic soft starter (DSSE)
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Rev. C 08-2021
14
MTEC.6110.GB-C-1 Operation and maintenance manual LZTi series English
LZTi Heat pumps air/water DC inverter compressor with vapor injection (EVI)
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3.2 Other versions
3.2.1 Unit with independent domestic hot water production (SW6)
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3.2.2 Units with integrated hydraulic kit, pump no tank (E1NT)
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PRWRUWHFKQRORJ\DQGLQWHJUDWHGZLWKDQHOHFWURQLFGHYLFHZKLFKHQDEOHVWKHDXWRPDWLFSHUIRUPDQFHDGMXVWPHQWRIWKHSXPSWRYDULRXV
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SRVVLEOHHQHUJ\VDYLQJV7KHSXPSLVVXSSOLHGZLWKDFRQWUROPRGXOHWKDWHQDEOHVWZRW\SHVRIDXWRPDWLFSHUIRUPDQFHDGMXVWPHQWV,QWH-
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3.3 Accessories description
3.3.2 Rubber vibration dampers (KAVG)
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3.3.3 Antifreeze heater (RAEV)
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ZDWHUH[FKDQJHU6:8QLWVRQO\DQGWKHZDWHUFLUFXLWSLSHZRUN7KLVGHYLFHLVFRQWUROOHGE\WKHPLFURSURFHVVRU
3.3.4 Antifreeze kit (RAES)
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3.3.9 RS485 serial interface card modbus protocol (INSE)
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Rev. C 08-2021
15
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MTEC.6110.GB-C-1 Operation and maintenance manual LZTi series English
LZTi Heat pumps air/water DC inverter compressor with vapor injection (EVI)
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DSURFHGXUHWKDWVLJQL¿FDQWO\ERRVWVFDSDFLW\DQGHI¿FLHQF\(DFKVFUROOFRPSUHVVRUXVHGLQWKHVHXQLWVLVVLPLODUWRDWZRVWDJHFRPSUHVVRU
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3.4 What is the E.V.I. technology (enhanced vapour injection)
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Water production at 40°C
Water production at 55°C
Water production at 40°C
Water production at 55°C
Ambient temperature (°C)
Ambient temperature (°C)
C.O.P.
Max Water
Temperature (°C)

Rev. C 08-2021
16
LZTi - LZTi/SW6 08 10 15 20
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A++ A++ A++ A++
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A+ A+ A++ A++
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MTEC.6110.GB-C-1 Operation and maintenance manual LZTi series English
LZTi Heat pumps air/water DC inverter compressor with vapor injection (EVI)
3.5 Technical data
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MTEC.6110.GB-C-1 Operation and maintenance manual LZTi series English
LZTi Heat pumps air/water DC inverter compressor with vapor injection (EVI)
3.5.1 User and domestic heat exchanger water pressure drops
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Pressure drop (kPa)
Available static pressure (kPa)
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3.5.2 User water pump available static pressure (Option)
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3.6 Operation limits
Ambient temperature(°C)
Water outlet temperature (°C)
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MTEC.6110.GB-C-1 Operation and maintenance manual LZTi series English
LZTi Heat pumps air/water DC inverter compressor with vapor injection (EVI)
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MTEC.6110.GB-C-1 Operation and maintenance manual LZTi series English
LZTi Heat pumps air/water DC inverter compressor with vapor injection (EVI)
3.7 Domestic hot water production
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MTEC.6110.GB-C-1 Operation and maintenance manual LZTi series English
LZTi Heat pumps air/water DC inverter compressor with vapor injection (EVI)
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3.7.2 Solution 2
This is the solution for existing buildings or for those applications where it is not possible to remove existing plants.
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