HIdRos LZT P2U Series User manual

Multiple instructions:
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the instructions before
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the unit
RETAIN FOR FUTURE REFERENCE
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TECHNICAL MANUAL
HIGH EFFICIENCY AIR TO WATER HEAT PUMPS
WITH E.V.I. COMPRESSORS
LZT P2U/P2S
SERIES
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Rev. A 10-2021
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MTEC.5001.GB-A-1 Operation and maintenance manual LZT series English
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Declaration of conformity
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Rev. A 10-2021
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MTEC.5001.GB-A-1 Operation and maintenance manual LZT series English
LZT P2U/P2S+LJKHI¿FLHQF\DLUWRZDWHUKHDWSXPSVZLWK(9,FRPSUHVVRUV
INDEX
1. INTRODUCTION.....................................................................................................................................................................................
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 $LPDQGFRQWHQWRIWKHPDQXDO .........................................................................................................................................
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 0DQXDOXSGDWHV .................................................................................................................................................................
 +RZWRXVHWKLVPDQXDO .....................................................................................................................................................
 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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 0DLQ7R[LFRORJLFDOLQIRUPDWLRQRQWKHW\SHRIUHIULJHUDQWXVHG..........................................................................................
 )LUVWDLGPHDVXUHV .............................................................................................................................................................
7(&+1,&$/&+$5$&7(5,67,&6 .........................................................................................................................................................
 8QLWGHVFULSWLRQ..................................................................................................................................................................
3.2 Other versions ...................................................................................................................................................................
 $FFHVVRULHVGHVFULSWLRQ .....................................................................................................................................................
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 7HFKQLFDOGDWD....................................................................................................................................................................
 2SHUDWLRQOLPLWV..................................................................................................................................................................
 'RPHVWLFKRWZDWHUSURGXFWLRQ .........................................................................................................................................
 &RPSUHVVRUFDSDFLW\VWHSV ...............................................................................................................................................
3.9 CRUUHFWLRQWDEOHV................................................................................................................................................................
 6RXQGGDWD ......................................................................................................................................................................
,167$//$7,21 .......................................................................................................................................................................................
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 :RUNHUV¶KHDOWKDQGVDIHW\ ...............................................................................................................................................
 3HUVRQDOSURWHFWLYHHTXLSPHQW .........................................................................................................................................
4.4 Inspection ..........................................................................................................................................................................
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 QVWDOODWLRQRIUXEEHUYLEUDWLRQGDPSHUV.$9*................................................................................................................
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 7\SLFDOLQVWDOODWLRQV.........................................................................................................................................................
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 (OHFWULFGDWD.....................................................................................................................................................................
4.22 Electric connections.........................................................................................................................................................
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 5HIULJHUDQWFLUFXLWOD\RXW..................................................................................................................................................

Rev. A 10-2021
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MTEC.5001.GB-A-1 Operation and maintenance manual LZT series English
LZT P2U/P2S+LJKHI¿FLHQF\DLUWRZDWHUKHDWSXPSVZLWK(9,FRPSUHVVRUV
5. UNIT START UP......................................................................................................................................................................................
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6. USE .................................................................................................................................................................................................
 6ZLWFKWKHXQLWRQ ..............................................................................................................................................................
6.2 Stop ...................................................................................................................................................................................
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 352%(6NH\ .....................................................................................................................................................................
6.5 $/$50NH\........................................................................................................................................................................
6.6 CIRC NH\ ...........................................................................................................................................................................
6.7 6(59,&(NH\ ....................................................................................................................................................................
 $FRXVWLFVLJQDOVLOHQFLQJ ....................................................................................................................................................
 (PHUJHQF\6WRS ................................................................................................................................................................
7. UNIT MAINTENANCE .............................................................................................................................................................................
 *HQHUDOZDUQLQJV...............................................................................................................................................................
 'ULYHDFFHVV ......................................................................................................................................................................
 6FKHGXOHGPDLQWHQDQFH ....................................................................................................................................................
 3HULRGLFDOFKHFNV...............................................................................................................................................................
 5HIULJHUDQWFLUFXLWUHSDLU ....................................................................................................................................................
8. DECOMMISSIONING.............................................................................................................................................................................
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 'LVSRVDOUHFRYHU\DQGUHF\FOLQJ ......................................................................................................................................
 5$((GLUHFWLYHRQO\IRU(&FRXQWULHV..............................................................................................................................
9. ',$*126,67528%/(6+227,1* ...................................................................................................................................................
 )DXOW¿QGLQJ ......................................................................................................................................................................

Rev. A 10-2021
5
MTEC.5001.GB-A-1 Operation and maintenance manual LZT series English
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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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these instructions.
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instructions.
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user.
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Rev. A 10-2021
6
MTEC.5001.GB-A-1 Operation and maintenance manual LZT series English
LZT P2U/P2S+LJKHI¿FLHQF\DLUWRZDWHUKHDWSXPSVZLWK(9,FRPSUHVVRUV
1.6 Potential Risks
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7
MTEC.5001.GB-A-1 Operation and maintenance manual LZT series English
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1.7 General Description of Symbols Used
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8
MTEC.5001.GB-A-1 Operation and maintenance manual LZT series English
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1.8 Safety symbols used
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1.9 Limitations and prohibited use

Rev. A 10-2021
9
Manufacturer: PD322111
Contiene gas fluorurati ad effetto serra disciplinati dal protocollo di Kyoto
Contains fluorinated greenhouse gasses covered by the Kyoto protocol
Modello
Model
1LZT.0302.NNRV2U-1A 123456
2 3/2017
R410A
10 Kg 10 Kg 20,88 ton
2 2088
400V-3ph+N-50Hz
29,5 bar 53 bar
-30 °C +130 °C -30 °C +130 °C
24,50 A 13,50 kW
Matricola
Serial number
Categoria PED
PED Category
Tipo refrigerante
Refrigerant type
Tensione-Fasi-Frequenza
Voltage-Phases-Frequency
LATO BASSA PRESSIONE
LOW PRESSURE SIDE
LATO ALTA PRESSIONE
HIGH PRESSURE SIDE
Gruppo fluido
Fluid group GWP
Carica refrigerante
Refrigerant charge
C1
C3
C2
Min Max Min Max
C4
F.L.A. (A) F.L.I. (kW)
PS
Temperatura di progetto
Design temperature
Peso a vuoto
Weight
Temperatura di progetto
Design temperature
CO2Equivalente
CO2Equivalente
Data di fabbricazione
Manifacture date
PS
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29,5 b
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nza
ency
ONE
Hz
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2
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MTEC.5001.GB-A-1 Operation and maintenance manual LZT series English
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10
MTEC.5001.GB-A-1 Operation and maintenance manual LZT series English
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2.1.6 Professional exposure limits
2.2 Refrigerant handling
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Rev. A 10-2021
11
MTEC.5001.GB-A-1 Operation and maintenance manual LZT series English
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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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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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2.6.3 Contact with eyes
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2.6.4 Ingestion
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2.6.5 Further medical treatment
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Rev. A 10-2021
12
MTEC.5001.GB-A-1 Operation and maintenance manual LZT series English
LZT P2U/P2S+LJKHI¿FLHQF\DLUWRZDWHUKHDWSXPSVZLWK(9,FRPSUHVVRUV
3. TECHNICAL CHARACTERISTICS
3.1 Unit description
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3.1.1 Frame
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3.1.2 Refrigerant circuit
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3.1.3 Compressors
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3.1.4 Source heat exchanger
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3.1.5 Fans
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3.1.6 User heat exchangers
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protection.

Rev. A 10-2021
13
MTEC.5001.GB-A-1 Operation and maintenance manual LZT series English
LZT P2U/P2S+LJKHI¿FLHQF\DLUWRZDWHUKHDWSXPSVZLWK(9,FRPSUHVVRUV
3.1.7 Electric enclosure
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3.1.8 Microprocessors
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3.1.9 Control and protection devices
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3.2 Other versions
3.2.1 Version HH
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3.2.2 Version RV
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3.2.3 SA Version
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3.2.4 SE Version
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3.2.5 HA Version
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3.2.6 HE Version
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3.2.7 Version LS
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Rev. A 10-2021
14
MTEC.5001.GB-A-1 Operation and maintenance manual LZT series English
LZT P2U/P2S+LJKHI¿FLHQF\DLUWRZDWHUKHDWSXPSVZLWK(9,FRPSUHVVRUV
3.2.8 Version XL
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3.2.9 Version NN
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3.2.10 Version P2U
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3.2.11 Version P2S
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3.3 Accessories description
3.3.1 Condensate discharge drip tray with antifreeze heater (BRCA)
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3.3.2 Antifreeze kit (RAEV2, RAEV4)
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3.3.3 Rubber vibration dampers (KAVG)
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3.3.4 RS485 serial interface card modbus protocol (INSE)
7KLVFRQWUROOHUFDUGHQDEOHVWKHFRQWUROOHUWRFRPPXQLFDWHZLWKRWKHUGHYLFHVRQD%06XVLQJ0RGEXVSURWRFRO
+LJKHIÀFLHQF\(&D[LDOIDQV9(&((Standard for SE / HE versions)
+LJKHI¿FLHQF\(&D[LDOIDQVVXSSOLHGZLWK%UXVKOHVV'&HOHFWULFPRWRUVHOHFWURQLFDOO\FRPPXWDWHG(&PRWRUVDEOHWRJUDQWVWKHKLJK-
HVWHQHUJ\HI¿FLHQF\FODVV())DFFRUGLQJWRWKHODWHVW(8VSHFL¿FDWLRQVZLWKWKHUHVXOWRIVXEVWDQWLDOHQHUJ\FRQVXPSWLRQUHGXFWLRQ
IRUYHQWLODWLRQDQGQRLVHUHGXFWLRQWKDQNVWRWKHQHZXOWUDHI¿FLHQWEODGHSUR¿OLQJ7KHIDQVDUHVWDWLFDOO\DQGG\QDPLFDOO\EDODQFHGDQG
VXSSOLHGFRPSOHWHZLWKDVDIHW\IDQJXDUGFRPSO\LQJZLWKWKHUHTXLUHPHQWVRI(17KHIDQVDUHLQVWDOOHGXVLQJDVSHFLDOVWHHOSUR¿OHG
EHDPZKRPLQLPL]HDOOYLEUDWLRQVDQGQRLVHHPLWWHG7KHQRPLQDOURWDWLRQVSHHGLVUSP$OOXQLWVDUH¿WWHGZLWKDSUHVVXUHWUDQVGXFHU
IRUWKHFRQWURORIWKHHYDSRUDWLRQFRQGHQVDWLRQSUHVVXUH$OOHOHFWULFPRWRUVDUH7KHPRWRUVDUH¿WWHGZLWKLQWHJUDWHGWKHUPDORYHUORDG
SURWHFWLRQUDWLQJ,3
3.3.6 Electronic expansion valve (VTEE)
7KHHOHFWURQLFH[SDQVLRQYDOYHHQDEOHVWKHPD[LPXPSRVVLEOHHI¿FLHQF\WREHDFKLHYHGE\PD[LPLVLQJWKHHYDSRUDWRUKHDWH[FKDQJH
PLQLPLVLQJWKHUHDFWLRQWLPHWRORDGYDULDWLRQVDQGRSWLPLVLQJWKHVXSHUKHDW,WLVVWURQJO\UHFRPPHQGHGIRUXVHLQV\VWHPVWKDWZLOOH[SHUL-
HQFHODUJHORDGYDULDWLRQV
3.3.7 Electronic soft starter (DSSE)
$OOXQLWVDUHVXSSOLHGVWDQGDUGZLWKWKHVRIWVWDUWHUGHYLFHZKRPLQLPL]HWKHSHDNVWDUWLQJFXUUHQWRIWKHFRPSUHVVRUUHGXFLQJGRZQWRWKH
VDPHYDOXHRIWKHQRPLQDOPD[LPXPLQSXWFXUUHQW

Rev. A 10-2021
15
MTEC.5001.GB-A-1 Operation and maintenance manual LZT series English
LZT P2U/P2S+LJKHI¿FLHQF\DLUWRZDWHUKHDWSXPSVZLWK(9,FRPSUHVVRUV
3.3.8 Remote control panel (PCRL)
$OOXQLWVDUHVXSSOLHGZLWKPLFURSURFHVVRUFRQWUROSDQHOZLWKKLJKGH¿QLWLRQGLVSOD\PRXQWHGRQERDUGRIWKHXQLWDQGLWLVUHPRWDEOHXSWR
PWGLVWDQFH
3.3.9 Hydraulic circuit antifreeze kit (KP)
7KLVNLWXVHGRQXQLWV¿WWHGZLWKDK\GUDXOLFNLWFRPSULVHVD³VHOIKHDWLQJ´HOHFWULFFDEOHWKDWLVZUDSSHGDURXQGWKHXVHUDQGGRPHVWLFKRW
ZDWHUH[FKDQJHU38QLWVRQO\WKHZDWHUFLUFXLWSLSHZRUNDQGLQFOXGHVDQDUPRXUHGHOHFWULFKHDWHUWKDWLV¿WWHGLQVLGHWKHZDWHUWDQN7KLV
GHYLFHLVFRQWUROOHGE\WKHPLFURSURFHVVRUDQGLWLVXVHGLQWKHXQLWHTXLSSHGZLWKK\GUDXOLFNLW
3.3.10 Hydraulic kit with one pump without tank - user circuit (A1NTU)
,WLQFOXGHVZDWHUSXPSH[SDQVLRQYHVVHOSUHVVXUHUHOLHIYDOYHLIUHTXLUHGE\3('QRUPV
3.3.11 Hydraulic kit with two pumps without tank - user circuit (A2NTU)
,WLQFOXGHVSXPSVUXQQLQJVWDQGE\H[SDQVLRQYHVVHOSUHVVXUHUHOLHIYDOYHLIUHTXLUHGE\3('QRUPV
3.3.12 Cascade control system (SGRS)
&DVFDGHFRQWUROV\VWHPIRUWKHPDQDJPHQWRIXQLWV7KHV\VWHPLVPDGHRIDVHSDUDWHSODVWLFER[WREHLQVWDOOHGLQWKHWHFKQLFDOURRP
,WLVFRQQHFWHGWRWKHXQLWVYLD56

Rev. A 10-2021
16
10
-20-100 1020304050
20
30
40
50
60
70
2,0
2,5
3,0
3,5
4,0
-15 -10 -5 0 5 10 15
Pi
P
Pm+i
Pm
Ph
Pi
HX
TEV
m +i
m
i
TEV
C.O.P.
MTEC.5001.GB-A-1 Operation and maintenance manual LZT series English
LZT P2U/P2S+LJKHI¿FLHQF\DLUWRZDWHUKHDWSXPSVZLWK(9,FRPSUHVVRUV
7KHDERYHJUDSKVKRZVWKHRSHUDWLRQUDQJHRIWKH(9,VFUROOFRPSUHVVRUVVXSSOLHGLQWKHXQLWVDW&DPELHQWWKHZDWHURXWOHWWHPSH-
UDWXUHLVVWLOO&WKLVSHUIRUPDQFHPDNHVWKHLQVWDOODWLRQRIDKHDWSXPSVXLWDEOHIRUDQ\(XURSHDQFRQGLWLRQ
Ambient temperature (°C)
Max Water
Temperature (°C)
7KHHI¿FLHQF\RI(9,FRPSUHVVRUVDWORZDPELHQWFRQGLWLRQVLVDERXWKLJKHUWKDQVWDQGDUGVFUROOFRPSUHVVRUV7KHHIIHFWRIWKLV
GLIIHUHQFHEHFRPHVHYHQPRUHHYLGHQWLQDSSOLFDWLRQVWKDWUHTXLUHKLJKKRWZDWHUWHPSHUDWXUHVLHZKHQGRPHVWLFKRWZDWHULVUHTXLUHG
,QVXFKDSSOLFDWLRQVWKHRSHUDWLRQDOOLPLWVRIDVWDQGDUGVFUROOFRPSUHVVRUSUHYHQWLWIURPSURGXFLQJWKHUHTXLUHGKRWZDWHUWHPSHUDWXUHDW
DLUDPELHQWWHPSHUDWXUHVEHORZ&
7KHJUDSKEHORZVKRZQWKHWUHQGRIWKHFRHI¿FLHQWRISHUIRUPDQFH&23FRPSDUHGZLWKDVWDQGDUGVFUROOFRPSUHVVRUGRWWHGOLQH(9,
VFUROOFRPSUHVVRU&RQWLQXRXVFXUYH
Water production at 40°C
Water production at 55°C
Water production at 40°C
Water production at 55°C
Ambient temperature (°C)
(9,VWDQGVIRU³(FRQRPLVHG9DSRXU,QMHFWLRQ´7KHWHFKQRORJ\LQYROYHVLQMHFWLQJUHIULJHUDQWYDSRXULQWRWKHPLGGOHRIWKHFRPSUHVVLRQSURFHVV
DSURFHGXUHWKDWVLJQL¿FDQWO\ERRVWVFDSDFLW\DQGHI¿FLHQF\(DFKVFUROOFRPSUHVVRUXVHGLQWKHVHXQLWVLVVLPLODUWRDWZRVWDJHFRPSUHVVRU
ZLWKEXLOWLQLQWHUVWDJHFRROLQJ7KHSURFHVVEHJLQVZKHQDSRUWLRQRIWKHFRQGHQVHUOLTXLGLVH[WUDFWHGDQGH[SDQGHGWKURXJKDQH[SDQVLRQ
YDOYH7KHORZWHPSHUDWXUHOLTXLGJDVPL[WXUHSURGXFHGLVLQMHFWHGLQWRDKHDWH[FKDQJHUWKDWRSHUDWHVDVDVXEFRROHU$Q\OLTXLGLVHYDSRUDWHG
DQGWKHYDSRXUSURGXFHGLVVXSHUKHDWHG7KHVXSHUKHDWHGYDSRXULVWKHQLQMHFWHGLQWRDQLQWHUPHGLDWHSRUWLQWKHVFUROOFRPSUHVVRU7KLV
FROGYDSRXUUHGXFHVWKHWHPSHUDWXUHRIWKHFRPSUHVVHGJDVWKXVHQDEOLQJWKHFRPSUHVVRUWRUDLVHWKHSUHVVXUHWROHYHOVDQGWHPSHUDWXUHV
EH\RQGWKDWSRVVLEOHZLWKDVLQJOHVWDJHVFUROO7KHDGGLWLRQDOVXEFRROLQJRIWKHPDLQYROXPHRIOLTXLGUHIULJHUDQWLQFUHDVHVWKHHYDSRUDWRU
FDSDFLW\ 7KLV FRPSUHVVRU WHFKQRORJ\ JHQHUDWHV D ODUJHU SUHVVXUH UDWLR EHWZHHQ FRQGHQVLQJ DQG HYDSRUDWLQJ SUHVVXUHV ZLWK VLJQL¿FDQW
SHUIRUPDQFHLPSURYHPHQW8VLQJWKLVWHFKQRORJ\HQDEOHVWKHXQLWVWRSURGXFHKRWZDWHUXSWR&DQGWKHDELOLW\WRRSHUDWHGRZQWR&
DPELHQWWHPSHUDWXUH
3.4 What is the E.V.I. technology (enhanced vapour injection)

Rev. A 10-2021
17
SA/LS/HH - P2S/P2U 252 302 432 492 592 752 852 1002 1202
N:         
N:         
::         
A+ A+ A+ A+ A+ A+ A+ A+ A+
N:KN:K         
147 148 133 130 137 145 142 141 141
A+ A+ A+ A+ A+ A+ A+ A+ A+
N:KN:K         
119 120 112 112 114 119 118 117 117
G%$ 78 78 79 80 80 80 80 80 80
G%$ 46 46 47 48 48 48 48 48 48
SE/LS/HH - P2S/P2U 252 302 432 492 592 752 852 1002 1202
N:         
N:         
::         
A++ A++ A+ A+ A+ A+ A+ A+ A+
N:KN:K         
155 152 140 135 141 149 144 145 145
A+ A+ A+ A+ A+ A+ A+ A+ A+
N:KN:K         
124 122 118 116 118 122 121 121 120
G%$ 78 78 79 80 80 80 80 80 80
G%$ 46 46 47 48 48 48 48 48 48
93K+] 1 1       
QQ         
Q 222222234
R410A R410A R410A R410A R410A R410A R410A R410A R410A
NJ         
2088 2088 2088 2088 2088 2088 2088 2088 2088
t        
l100 100 100 100 100 300 300 300 300
HA/LS/HH - P2S/P2U 252 302 432 492 602 752 852 1002 1202
N:         
N:         
::         
A++ A++ A+ A+ A++ A++ A+ A+ A+
N:KN:K         
155 153 142 139 155 155 147 149 148
A+ A+ A+ A+ A++ A+ A+ A+ A+
N:KN:K         
124 123 117 116 126 123 117 119 120
G%$ 78 78 78 79 80 80 83 83 83
G%$ 46 46 46 47 48 48 51 51 51
HE/LS/HH - P2S/P2U 252 312 432 492 602 752 852 1002 1202
N:         
N:         
::         
A++ A++ A++ A++ A++ A++ A++ A++ A++
N:KN:K         
161 156 152 150 160 159 150 151 151
A++ A++ A+ A+ A++ A++ A+ A+ A+
N:KN:K         
127 125 122 123 129 126 120 123 122
G%$ 78 78 78 79 80 80 83 83 83
G%$ 46 46 46 47 48 48 51 51 51
93K+] 1 1       
QQ         
Q 222222222
R410A R410A R410A R410A R410A R410A R410A R410A R410A
NJ         
2088 2088 2088 2088 2088 2088 2088 2088 2088
t        
l100 100 100 100 300 300 300 300 300
MTEC.5001.GB-A-1 Operation and maintenance manual LZT series English
LZT P2U/P2S+LJKHI¿FLHQF\DLUWRZDWHUKHDWSXPSVZLWK(9,FRPSUHVVRUV
+HDWLQJRQO\YHUVLRQ++
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&23(1
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6RXQGSUHVVXUH
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&23(1
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6&23PHGLXPWHPSHUDWXUH
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*OREDOZDUPLQJSRWHQWLDO*:3
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+HDWLQJFDSDFLW\(1
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&23(1
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6&23ORZWHPSHUDWXUH
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6&23PHGLXPWHPSHUDWXUH
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&23(1
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+HDWLQJ$PELHQWWHPSHUDWXUH&'%&:%ZDWHUWHPSHUDWXUH&
$YHUDJHFRQGLWLRQVYDULDEOH5HJ(8
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6RXQGSUHVVXUHOHYHODWPWIURPWKHXQLWLQIUHH¿HOGFRQGLWLRQVLQDFFRUGDQFHZLWK,62
7KHUHIULJHUDQWGDWDPD\FKDQJHZLWKRXWQRWLFH,WLVWKHUHIRUHQHFHVVDU\WRUHIHUDOZD\VWRWKHVLOYHUODEHOSODFHG
on the unit.

Rev. A 10-2021
18
HA/XL/HH - P2S/P2U 252 302 432 492 602 752 852 1002 1202
N:         
N:         
::         
A++ A++ A++ A++ A++ A++ A++ A++ A++
N:KN:K         
150 151 151 150 158 158 150 153 151
A+ A+ A+ A+ A++ A+ A+ A++ A+
N:KN:K         
119 122 121 122 128 125 122 126 124
G%$ 72 72 73 74 74 74 74 75 75
G%$ 40 40 41 42 42 42 42 43 43
HE/XL/HH - P2S/P2U 252 302 432 492 602 752 852 1002 1202
N:         
N:         
::         
A++ A++ A++ A++ A++ A++ A++ A++ A++
N:KN:K         
161 152 157 151 165 163 159 160 154
A++ A+ A++ A++ A++ A++ A++ A++ A++
N:KN:K         
127 123 127 123 132 129 127 130 127
G%$ 71 72 73 74 73 73 74 75 75
G%$ 39 40 41 42 41 41 42 43 43
93K+] 1 1       
QQ         
Q 222222222
R410A R410A R410A R410A R410A R410A R410A R410A R410A
NJ         
2088 2088 2088 2088 2088 2088 2088 2088 2088
t        
l100 100 100 100 300 300 300 300 300
HE/NN/HH - P2S/P2U 252 312 452 502 602 752 852 1002 1202
N:         
N:         
::         
A++ A++ A++ A++ A++ A++ A++ A++ A++
N:KN:K         
169 171 166 161 172 173 166 174 169
A++ A++ A++ A++ A++ A++ A++ A++ A++
N:KN:K         
131 136 134 131 136 135 132 138 137
G%$ 68 69 71 71 71 72 72 72 72
G%$ 36 37 39 39 39 40 40 40 40
93K+] 1        
QQ         
Q 222222233
R410A R410A R410A R410A R410A R410A R410A R410A R410A
NJ         
 2088 2088 2088 2088 2088 2088 2088 2088
t        
MTEC.5001.GB-A-1 Operation and maintenance manual LZT series English
LZT P2U/P2S+LJKHI¿FLHQF\DLUWRZDWHUKHDWSXPSVZLWK(9,FRPSUHVVRUV
3HUIRUPDQFHVDUHUHIHUUHGWRWKHIROORZLQJFRQGLWLRQV
+HDWLQJ$PELHQWWHPSHUDWXUH&'%&:%ZDWHUWHPSHUDWXUH&
$YHUDJHFRQGLWLRQVYDULDEOH5HJ(8
6RXQGSRZHUOHYHOLQDFFRUGDQFHZLWK,62
6RXQGSUHVVXUHOHYHODWPWIURPWKHXQLWLQIUHH¿HOGFRQGLWLRQVLQDFFRUGDQFHZLWK,62
+HDWLQJFDSDFLW\(1
7RWDOLQSXWSRZHU(1
&23(1
(QHUJ\&ODVVLQORZWHPSHUDWXUH
6&23ORZWHPSHUDWXUH
ƾVKORZWHPSHUDWXUH
(QHUJ\&ODVVLQPHGLXPWHPSHUDWXUH
6&23PHGLXPWHPSHUDWXUH
ƾVKPHGLXPWHPSHUDWXUH
6RXQGSRZHU
6RXQGSUHVVXUH
+HDWLQJFDSDFLW\(1
7RWDOLQSXWSRZHU(1
&23(1
(QHUJ\&ODVVLQORZWHPSHUDWXUH
6&23ORZWHPSHUDWXUH
ƾVKORZWHPSHUDWXUH
(QHUJ\&ODVVLQPHGLXPWHPSHUDWXUH
6&23PHGLXPWHPSHUDWXUH
ƾVKPHGLXPWHPSHUDWXUH
6RXQGSRZHU
6RXQGSUHVVXUH
3RZHUVXSSO\
&RPSUHVVRUV&LUFXLWV
)DQV
5HIULJHUDQW
5HIULJHUDQWFKDUJH
*OREDOZDUPLQJSRWHQWLDO*:3
(TXLYDOHQW&22FKDUJH
:DWHUWDQNYROXPH
+HDWLQJFDSDFLW\(1
7RWDOLQSXWSRZHU(1
&23(1
(QHUJ\&ODVVLQORZWHPSHUDWXUH
6&23ORZWHPSHUDWXUH
ƾVKORZWHPSHUDWXUH
(QHUJ\&ODVVLQPHGLXPWHPSHUDWXUH
6&23PHGLXPWHPSHUDWXUH
ƾVKPHGLXPWHPSHUDWXUH
6RXQGSRZHU
6RXQGSUHVVXUH
3RZHUVXSSO\
&RPSUHVVRUV&LUFXLWV
)DQV
5HIULJHUDQW
5HIULJHUDQWFKDUJH
*OREDOZDUPLQJSRWHQWLDO*:3
(TXLYDOHQW&22FKDUJH
+HDWLQJRQO\YHUVLRQ++
7KHUHIULJHUDQWGDWDPD\FKDQJHZLWKRXWQRWLFH,WLVWKHUHIRUHQHFHVVDU\WRUHIHUDOZD\VWRWKHVLOYHUODEHOSODFHG
on the unit.

Rev. A 10-2021
19
SA/LS/RV - P2S/P2U 252 302 432 492 592 752 852 1002 1202
N:         
N:         
::         
A+ A+ A+ A+ A+ A+ A+ A+ A+
N:KN:K         
147 148 133 130 137 145 142 141 141
A+ A+ A+ A+ A+ A+ A+ A+ A+
N:KN:K         
119 120 112 112 114 119 118 117 117
N:         
N:         
::         
G%$ 78 78 79 80 80 80 80 80 80
G%$ 46 46 47 48 48 48 48 48 48
SE/LS/RV - P2S/P2U 252 302 432 492 592 752 852 1002 1202
N:         
N:         
::         
A++ A++ A+ A+ A+ A+ A+ A+ A+
N:KN:K         
155 152 140 135 141 149 144 145 145
A+ A+ A+ A+ A+ A+ A+ A+ A+
N:KN:K         
124 122 118 116 118 122 121 121 120
N:         
N:         
::         
G%$ 78 78 79 80 80 80 80 80 80
G%$ 46 46 47 48 48 48 48 48 48
93K+] 1 1       
QQ         
Q 222222234
R410A R410A R410A R410A R410A R410A R410A R410A R410A
NJ         
2088 2088 2088 2088 2088 2088 2088 2088 2088
t        
l100 100 100 100 100 300 300 300 300
HA/LS/RV - P2S/P2U 252 302 432 492 602 752 852 1002 1202
N:         
N:         
::         
A++ A++ A+ A+ A++ A++ A+ A+ A+
N:KN:K         
155 153 142 139 155 155 147 149 148
A+ A+ A+ A+ A++ A+ A+ A+ A+
N:KN:K         
124 123 117 116 126 123 117 119 120
N:         
N:         
::         
G%$ 78 78 78 79 80 80 83 83 83
G%$ 46 46 46 47 48 48 51 51 51
HE/LS/RV - P2S/P2U 252 312 432 492 602 752 852 1002 1202
N:         
N:         
::         
A++ A++ A++ A++ A++ A++ A++ A++ A++
N:KN:K         
161 156 152 150 160 159 150 151 151
A++ A++ A+ A+ A++ A++ A+ A+ A+
N:KN:K         
127 125 122 123 129 126 120 123 122
N:         
N:         
::         
G%$ 78 78 78 79 80 80 83 83 83
G%$ 46 46 46 47 48 48 51 51 51
93K+] 1 1       
QQ         
Q 222222222
R410A R410A R410A R410A R410A R410A R410A R410A R410A
NJ         
2088 2088 2088 2088 2088 2088 2088 2088 2088
t        
l100 100 100 100 300 300 300 300 300
MTEC.5001.GB-A-1 Operation and maintenance manual LZT series English
LZT P2U/P2S+LJKHI¿FLHQF\DLUWRZDWHUKHDWSXPSVZLWK(9,FRPSUHVVRUV
3HUIRUPDQFHVDUHUHIHUUHGWRWKHIROORZLQJFRQGLWLRQV
+HDWLQJ$PELHQWWHPSHUDWXUH&'%&:%ZDWHUWHPSHUDWXUH&
$YHUDJHFRQGLWLRQVYDULDEOH5HJ(8
&RROLQJDPELHQWDLUWHPSHUDWXUH&HYDSRUDWRUZDWHUWHPSHUDWXUHLQRXW&
6RXQGSRZHUOHYHOLQDFFRUGDQFHZLWK,62
6RXQGSUHVVXUHOHYHODWPWIURPWKHXQLWLQIUHH¿HOGFRQGLWLRQVLQDFFRUGDQFHZLWK,62
+HDWLQJFDSDFLW\(1
7RWDOLQSXWSRZHU(1
&23(1
(QHUJ\&ODVVLQORZWHPSHUDWXUH
6&23ORZWHPSHUDWXUH
ƾVKORZWHPSHUDWXUH
(QHUJ\&ODVVLQPHGLXPWHPSHUDWXUH
6&23PHGLXPWHPSHUDWXUH
ƾVKPHGLXPWHPSHUDWXUH
&RROLQJFDSDFLW\(1
7RWDOLQSXWSRZHU(1
((5(1
6RXQGSRZHU
6RXQGSUHVVXUH
+HDWLQJFDSDFLW\(1
7RWDOLQSXWSRZHU(1
&23(1
(QHUJ\&ODVVLQORZWHPSHUDWXUH
6&23ORZWHPSHUDWXUH
ƾVKORZWHPSHUDWXUH
(QHUJ\&ODVVLQPHGLXPWHPSHUDWXUH
6&23PHGLXPWHPSHUDWXUH
ƾVKPHGLXPWHPSHUDWXUH
&RROLQJFDSDFLW\(1
7RWDOLQSXWSRZHU(1
((5(1
6RXQGSRZHU
6RXQGSUHVVXUH
3RZHUVXSSO\
&RPSUHVVRUV&LUFXLWV
)DQV
5HIULJHUDQW
5HIULJHUDQWFKDUJH
*OREDOZDUPLQJSRWHQWLDO*:3
(TXLYDOHQW&22FKDUJH
:DWHUWDQNYROXPH
+HDWLQJFDSDFLW\(1
7RWDOLQSXWSRZHU(1
&23(1
(QHUJ\&ODVVLQORZWHPSHUDWXUH
6&23ORZWHPSHUDWXUH
ƾVKORZWHPSHUDWXUH
(QHUJ\&ODVVLQPHGLXPWHPSHUDWXUH
6&23PHGLXPWHPSHUDWXUH
ƾVKPHGLXPWHPSHUDWXUH
&RROLQJFDSDFLW\(1
7RWDOLQSXWSRZHU(1
((5(1
6RXQGSRZHU
6RXQGSUHVVXUH
+HDWLQJFDSDFLW\(1
7RWDOLQSXWSRZHU(1
&23(1
(QHUJ\&ODVVLQORZWHPSHUDWXUH
6&23ORZWHPSHUDWXUH
ƾVKORZWHPSHUDWXUH
(QHUJ\&ODVVLQPHGLXPWHPSHUDWXUH
6&23PHGLXPWHPSHUDWXUH
ƾVKPHGLXPWHPSHUDWXUH
&RROLQJFDSDFLW\(1
7RWDOLQSXWSRZHU(1
((5(1
6RXQGSRZHU
6RXQGSUHVVXUH
3RZHUVXSSO\
&RPSUHVVRUV&LUFXLWV
)DQV
5HIULJHUDQW
5HIULJHUDQWFKDUJH
*OREDOZDUPLQJSRWHQWLDO*:3
(TXLYDOHQW&22FKDUJH
:DWHUWDQNYROXPH
5HYHUVLEOHKHDWLQJFRROLQJYHUVLRQ59
7KHUHIULJHUDQWGDWDPD\FKDQJHZLWKRXWQRWLFH,WLVWKHUHIRUHQHFHVVDU\WRUHIHUDOZD\VWRWKHVLOYHUODEHOSODFHG
on the unit.

Rev. A 10-2021
20
HA/XL/RV - P2S/P2U 252 302 432 492 602 752 852 1002 1202
N:         
N:         
::         
A++ A++ A++ A++ A++ A++ A++ A++ A++
N:KN:K         
150 151 151 150 158 158 150 153 151
A+ A+ A+ A+ A++ A+ A+ A++ A+
N:KN:K         
119 122 121 122 128 125 122 126 124
N:         
N:         
::         
G%$ 72 72 73 74 74 74 74 75 75
G%$ 40 40 41 42 42 42 42 43 43
HE/XL/RV - P2S/P2U 252 302 432 492 602 752 852 1002 1202
N:         
N:         
::         
A++ A++ A++ A++ A++ A++ A++ A++ A++
N:KN:K         
161 152 157 151 165 163 159 160 154
A++ A+ A++ A++ A++ A++ A++ A++ A++
N:KN:K         
127 123 127 123 132 129 127 130 127
N:         
N:         
::         
G%$ 71 72 73 74 73 73 74 75 75
G%$ 39 40 41 42 41 41 42 43 43
93K+] 1 1       
QQ         
Q 222222222
R410A R410A R410A R410A R410A R410A R410A R410A R410A
NJ         
2088 2088 2088 2088 2088 2088 2088 2088 2088
t        
l100 100 100 100 300 300 300 300 300
HE/NN/RV - P2S/P2U 252 312 452 502 602 752 852 1002 1202
N:         
N:         
::         
A++ A++ A++ A++ A++ A++ A++ A++ A++
N:KN:K         
169 171 166 161 172 173 166 174 169
A++ A++ A++ A++ A++ A++ A++ A++ A++
N:KN:K         
131 136 134 131 136 135 132 138 137
N:         
N:         
::         
G%$ 68 69 71 71 71 72 72 72 72
G%$ 36 37 39 39 39 40 40 40 40
93K+] 1        
QQ         
Q 222222233
R410A R410A R410A R410A R410A R410A R410A R410A R410A
NJ         
 2088 2088 2088 2088 2088 2088 2088 2088
t        
MTEC.5001.GB-A-1 Operation and maintenance manual LZT series English
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