HIdRos LZT P4U Series User manual

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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 EFFICIENCYAIR TO WATER HEAT PUMPS
WITH E.V.I. COMPRESSORS
LZT P4U/P4S
SERIES
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Rev. B 11-2022
2
MTEC.5006.GB-B-1 Operation and maintenance manual LZT series English
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Declaration of conformity
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Rev. B 11-2022
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MTEC.5006.GB-B-1 Operation and maintenance manual LZT series English
LZT P4U/P4S+LJKHI¿FLHQF\DLUWRZDWHUKHDWSXPSVZLWK(9,FRPSUHVVRUV
INDEX
1. INTRODUCTION.....................................................................................................................................................................................
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 +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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 )LUVWDLGPHDVXUHV .............................................................................................................................................................
7(&+1,&$/&+$5$&7(5,67,&6 .........................................................................................................................................................
 8QLWGHVFULSWLRQ..................................................................................................................................................................
3.2 Other versions...................................................................................................................................................................
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 7HFKQLFDOGDWD....................................................................................................................................................................
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 &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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Rev. B 11-2022
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MTEC.5006.GB-B-1 Operation and maintenance manual LZT series English
LZT P4U/P4S+LJKHI¿FLHQF\DLUWRZDWHUKHDWSXPSVZLWK(9,FRPSUHVVRUV
5. UNIT START UP......................................................................................................................................................................................
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 'HVFULSWLRQRIWKHFRQWUROSDQHO .........................................................................................................................................
6. USE
 6ZLWFKWKHXQLWRQ ..............................................................................................................................................................
6.2 Stop...................................................................................................................................................................................
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 352%(6NH\ .....................................................................................................................................................................
6.5$/$50NH\........................................................................................................................................................................
6.6 CIRC NH\ ...........................................................................................................................................................................
6.7 6(59,&(NH\ ....................................................................................................................................................................
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7. UNIT MAINTENANCE.............................................................................................................................................................................
 *HQHUDOZDUQLQJV...............................................................................................................................................................
7.2Access to the unit...............................................................................................................................................................
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 3HULRGLFDOFKHFNV...............................................................................................................................................................
 5HIULJHUDQWFLUFXLWUHSDLU ....................................................................................................................................................
8. DECOMMISSIONING.............................................................................................................................................................................
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 'LVSRVDOUHFRYHU\DQGUHF\FOLQJ ......................................................................................................................................
 5$((GLUHFWLYHRQO\IRU(&FRXQWULHV..............................................................................................................................
9. ',$*126,67528%/(6+227,1*...................................................................................................................................................
 )DXOW¿QGLQJ ......................................................................................................................................................................

Rev. B 11-2022
5
MTEC.5006.GB-B-1 Operation and maintenance manual LZT series English
LZT P4U/P4S+LJKHI¿FLHQF\DLUWRZDWHUKHDWSXPSVZLWK(9,FRPSUHVVRUV
1. INTRODUCTION
1.1 Preliminary information
1.2Aim 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. B 11-2022
6
MTEC.5006.GB-B-1 Operation and maintenance manual LZT series English
LZT P4U/P4S+LJKHI¿FLHQF\DLUWRZDWHUKHDWSXPSVZLWK(9,FRPSUHVVRUV
1.6 Potential Risks
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RISK METHOD OF INJURY PRECAUTIONS
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MTEC.5006.GB-B-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.5006.GB-B-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. B 11-2022
9
Manufacturer: PD322111
Contiene gas fluorurati ad effetto serra disciplinati dal protocollo di Kyoto
Contains fluorinated greenhouse gasses covered by the Kyoto protocol
1LZT.0302.NNRVU-1A
Modello
Model
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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nza
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ONE
Hz
24
C
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2
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20,88 ton
valente
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10
MTEC.5006.GB-B-1 Operation and maintenance manual LZT series English
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2.2 Refrigerant handling
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Rev. B 11-2022
11
MTEC.5006.GB-B-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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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 FirstAid 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. B 11-2022
12
MTEC.5006.GB-B-1 Operation and maintenance manual LZT series English
LZT P4U/P4S+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. B 11-2022
13
MTEC.5006.GB-B-1 Operation and maintenance manual LZT series English
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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
3.2.3 SAVersion
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3.2.4 SE Version
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Rev. B 11-2022
14
30°C
12°C 12°C
30°C
35°C
7°C 7°C
35°C
B
A A
B
MTEC.5006.GB-B-1 Operation and maintenance manual LZT series English
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3.2.13 Version P4U
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P4U Version
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3.2.13 Versione P4S
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Rev. B 11-2022
15
30°C
50°C 50°C
12°C 12°C
35°C
55°C 55°C
7°C 7°C
A
B B
A A
MTEC.5006.GB-B-1 Operation and maintenance manual LZT series English
LZT P4U/P4S+LJKHI¿FLHQF\DLUWRZDWHUKHDWSXPSVZLWK(9,FRPSUHVVRUV
7KHRSHUDWLQJPRGHVDUH
1.User water heating:7KHXQLWEHKDYHVOLNHDQRUPDODLUZDWHUKHDWSXPSLQKHDWLQJPRGHXVLQJWKH¿QQHGKHDWH[FKDQJHUDVWKHVRXUFH
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2. User water cooling: 7KHXQLWEHKDYHVOLNHDQRUPDODLUZDWHUFKLOOHULQFRROLQJPRGHXVLQJWKH¿QQHGKHDWH[FKDQJHUDVWKHVRXUFH
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3. Domestic hot water production (D.H.W.):7KHXQLWEHKDYHVOLNHDQRUPDODLUZDWHUKHDWSXPSLQKHDWLQJPRGHXVLQJWKH¿QQHGKHDW
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4. User water cooling + D.H.W. production: 7KHXQLWEHKDYHVOLNHDZDWHUZDWHUKHDWSXPSXVLQJWKHSODWHKHDWH[FKDQJHU$DVWKH
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P4S Version
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3.3Accessories description
3.3.1 Condensate discharge drip tray with antifreeze heater (BRCA)
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3.3.2 User water strainer
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3.3.3Antifreeze kit (RAEV4)
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3.3.4 Rubber vibration dampers (KAVG)
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3.3.5 RS485 serial interface card modbus protocol (INSE)
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Rev. B 11-2022
16
MTEC.5006.GB-B-1 Operation and maintenance manual LZT series English
LZT P4U/P4S+LJKHI¿FLHQF\DLUWRZDWHUKHDWSXPSVZLWK(9,FRPSUHVVRUV
+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
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3.3.7 Electronic expansion valve (VTEE)
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3.3.8 Electronic soft starter (DSSE)
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3.3.9 Remote control panel (PCRL)
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3.3.10 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WKHZDWHUFLUFXLWSLSHZRUNDQGLQFOXGHVDQDUPRXUHGHOHFWULFKHDWHUWKDWLV¿WWHGLQVLGHWKHZDWHUWDQN7KLVGHYLFHLV
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3.3.11 Hydraulic kit with one pump without tank - user circuit (A1NTU)
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3.3.12 Hydraulic kit with one pump without tank - recovery circuit (A1NTR)
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3.3.13 Hydraulic kit with two pumps without tank - user circuit (A2NTU)
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3.3.14 Hydraulic kit with two pumps without tank - recovery circuit (A2NTR)
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3.3.15 Cascade control system (SGRS)
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Rev. B 11-2022
17
10 -20-100 1020304050
20
30
40
50
60
70
2,0
2,5
3,0
3,5
4,0
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MTEC.5006.GB-B-1 Operation and maintenance manual LZT series English
LZT P4U/P4S+LJKHI¿FLHQF\DLUWRZDWHUKHDWSXPSVZLWK(9,FRPSUHVVRUV
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Ambient temperature (°C)
Max Water
Temperature (°C)
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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)
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3.4 What is the E.V.I. technology (enhanced vapour injection)

Rev. B 11-2022
18
SA/LS/RV - P4S/P4U 242 292 432 492 592 752 852
N:       
N:       
::       
A+ A+ A+ A+ A+ A+ A+
N:KN:K       
147 148 133 130 137 145 142
A+ A+ A+ A+ A+ A+ A+
N:KN:K       
119 120 112 112 114 119 118
N:       
N:       
::       
G%$ 78 78 79 80 80 80 80
G%$ 46 46 47 48 48 48 48
SE/LS/RV - P4S/P4U 242 292 432 492 592 752 852
N:       
N:       
::       
A++ A++ A+ A+ A+ A+ A+
N:KN:K       
155 152 140 135 141 149 144
A+ A+ A+ A+ A+ A+ A+
N:KN:K       
124 122 118 116 118 122 121
N: 78 78 79 80 80 80 80
N: 46 46 47 48 48 48 48
::       
G%$ 78 78 79 80 80 80 80
G%$ 46 46 47 48 48 48 48
93K+] 1 1     
QQ       
Q 1122222
R410A R410A R410A R410A R410A R410A R410A
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2088 2088 2088 2088 2088 2088 2088
t      
l100 100 100 100 100 300 300
SA/LS/RV - P4S/P4U 1002 1202 1454 1654 1854 2154
N:      
N:      
::      
A+ A+ A+ A+ A+ A+
N:KN:K      
141 141 135 134 134 134
A+ A+ A+ A+ A+ A+
N:KN:K      
117 117 111 113 114 115
N:      
N:      
::      
G%$ 80 80 87 87 88 89
G%$ 48 48 55 55 56 57
SE/LS/RV - P4S/P4U 1002 1202 1454 1654 1854 2154
N:      
N:      
::      
A+ A+ A+ A+ A+ A+
N:KN:K      
145 145 142 140 145 142
A+ A+ A+ A+ A+ A+
N:KN:K      
121 120 115 117 120 120
N: 80 80    
N: 48 48    
::      
G%$ 80 80 86 87 88 89
G%$ 48 48 54 55 56 57
93K+]      
QQ      
Q 344444
R410A R410A R410A R410A R410A R410A
.J      
2088 2088 2088 2088 2088 2088
t     
l300 300 500 500 500 500
MTEC.5006.GB-B-1 Operation and maintenance manual LZT series English
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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
7KHUHIULJHUDQWGDWDPD\FKDQJHZLWKRXWQRWLFH,WLVWKHUHIRUHQHFHVVDU\WRUHIHUDOZD\VWRWKHVLOYHUODEHOSODFHG
on the unit.
3.5 Technical data

Rev. B 11-2022
19
HA/LS/RV - P4S/P4U 242 292 432 492 602 752 852
N:       
N:       
::       
A++ A++ A+ A+ A++ A++ A+
N:KN:K       
155 153 142 139 155 155 147
A+ A+ A+ A+ A++ A+ A+
N:KN:K       
124 123 117 116 126 123 117
N:       
N:       
::       
G%$ 78 78 78 79 80 80 83
G%$ 46 46 46 47 48 48 51
HE/LS/RV - P4S/P4U 242 292 432 492 602 752 852
N:       
N:       
::       
A++ A++ A++ A++ A++ A++ A++
N:KN:K       
161 156 152 150 160 159 150
A++ A++ A+ A+ A++ A++ A+
N:KN:K       
127 125 122 123 129 126 120
N:       
N:       
::       
G%$ 78 78 78 79 80 80 83
G%$ 46 46 46 47 48 48 51
93K+] 1 1     
QQ       
Q 1122222
R410A R410A R410A R410A R410A R410A R410A
NJ       
2088 2088 2088 2088 2088 2088 2088
t      
l100 100 100 100 300 300 300
HA/LS/RV - P4S/P4U 1002 1202 1454 1654 1854 2154
N:      
N:      
::      
A+ A+ A+ A+ A+ A+
N:KN:K      
149 148 147 143 149 148
A+ A+ A+ A+ A+ A+
N:KN:K      
119 120 119 118 122 123
N:      
N:      
::      
G%$ 83 83 84 85 85 85
G%$ 51 51 52 53 53 53
HE/LS/RV - P4S/P4U 1002 1202 1454 1654 1854 2154
N:      
N:      
::      
A++ A++ A++ A++ A++ A++
N:KN:K      
151 151 152 152 153 153
A+ A+ A+ A+ A+ A+
N:KN:K      
123 122 121 123 124 124
N:      
N:      
::      
G%$ 83 83 84 85 85 85
G%$ 51 51 52 53 53 53
93K+]      
QQ      
Q 223333
R410A R410A R410A R410A R410A R410A
NJ      
2088 2088 2088 2088 2088 2088
t     
l300 300 500 500 500 500
MTEC.5006.GB-B-1 Operation and maintenance manual LZT series English
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7RWDOLQSXWSRZHU(1
&23(1
(QHUJ\&ODVVLQORZWHPSHUDWXUH
6&23ORZWHPSHUDWXUH
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6&23PHGLXPWHPSHUDWXUH
ƾVKPHGLXPWHPSHUDWXUH
&RROLQJFDSDFLW\(1
7RWDOLQSXWSRZHU(1
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6&23ORZWHPSHUDWXUH
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6&23PHGLXPWHPSHUDWXUH
ƾVKPHGLXPWHPSHUDWXUH
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5HIULJHUDQW
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:DWHUWDQNYROXPH
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&23(1
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6&23ORZWHPSHUDWXUH
ƾVKORZWHPSHUDWXUH
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6&23PHGLXPWHPSHUDWXUH
ƾVKPHGLXPWHPSHUDWXUH
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7RWDOLQSXWSRZHU(1
((5(1
6RXQGSRZHU
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3RZHUVXSSO\
&RPSUHVVRUV&LUFXLWV
)DQV
5HIULJHUDQW
5HIULJHUDQWFKDUJH
*OREDOZDUPLQJSRWHQWLDO*:3
(TXLYDOHQW&22FKDUJH
:DWHUWDQNYROXPH
7KHUHIULJHUDQWGDWDPD\FKDQJHZLWKRXWQRWLFH,WLVWKHUHIRUHQHFHVVDU\WRUHIHUDOZD\VWRWKHVLOYHUODEHOSODFHG
on the unit.

Rev. B 11-2022
20
HA/XL/RV - P4S/P4U 252 302 432 492 602 752 852
N:       
N:       
::       
A++ A++ A++ A++ A++ A++ A++
N:KN:K       
150 151 151 150 158 158 150
A+ A+ A+ A+ A++ A+ A+
N:KN:K       
119 122 121 122 128 125 122
N:       
N:       
::       
G%$ 72 72 73 74 74 74 74
G%$ 40 40 41 42 42 42 42
HE/XL/RV - P4S/P4U 252 302 432 492 602 752 852
N:       
N:       
::       
A++ A++ A++ A++ A++ A++ A++
N:KN:K       
161 152 157 151 165 163 159
A++ A+ A++ A++ A++ A++ A++
N:KN:K       
127 123 127 123 132 129 127
N:       
N:       
::       
G%$ 71 72 73 74 73 73 74
G%$ 39 40 41 42 41 41 42
93K+] 1 1     
QQ       
Q 2222222
R410A R410A R410A R410A R410A R410A R410A
.J       
2088 2088 2088 2088 2088 2088 2088
t      
l100 100 100 100 300 300 300
HA/XL/RV - P4S/P4U 1002 1202 1454 1654 1854 2154
N:      
N:      
::      
A++ A++ A++ A++ A++ A++
N:KN:K      
153 151 154 153 152 152
A++A+A+A+A+A+
N:KN:K      
126 124 123 124 121 122
N:      
N:      
::      
G%$ 75 75 79 79 80 80
G%$ 43 43 47 47 48 48
HE/XL/RV - P4S/P4U 1002 1202 1454 1654 1854 2154
N:      
N:      
::      
A++ A++ A++ A++ A++ A++
N:KN:K      
160 154 161 157 154 154
A++ A++ A++ A++ A++ A++
N:KN:K      
130 127 128 129 128 128
N:      
N:      
::      
G%$ 75 75 79 79 80 80
G%$ 43 43 47 47 48 48
93K+]      
QQ      
Q 224466
R410A R410A R410A R410A R410A R410A
.J      
2088 2088 2088 2088 2088 2088
t     
l300 300 500 500 500 500
MTEC.5006.GB-B-1 Operation and maintenance manual LZT series English
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