HIdRos LDA Series User manual

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the instructions before
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the unit
RETAIN FOR FUTURE REFERENCE
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TECHNICAL MANUAL
AIR TO WATER CHILLERS
LDA
SERIES
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Rev. E 11-2021
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MTEC.3900.GB-E-1 Operation and maintenance manual LDA series English
LDAAir to water chillers
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Declaration of conformity
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Rev. E 11-2021
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MTEC.3900.GB-E-1 Operation and maintenance manual LDA series English
LDAAir to water chillers
INDEX
1. INTRODUCTION.....................................................................................................................................................................................
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 3RWHQWLDOULVNV ....................................................................................................................................................................
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 8QLWLGHQWL¿FDWLRQ ............................................................................................................................................................
2. SAFETY .................................................................................................................................................................................................
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3.2 Other versions ...................................................................................................................................................................
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3.7 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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4.20 Electric connections.........................................................................................................................................................
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5. UNIT START UP......................................................................................................................................................................................
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MTEC.3900.GB-E-1 Operation and maintenance manual LDA series English
LDAAir to water chillers
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8. UNIT MAINTENANCE .............................................................................................................................................................................
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8.2 Access to the unit...............................................................................................................................................................
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9. DECOMMISSIONING..............................................................................................................................................................................
9.1 Disconnect the unit ...........................................................................................................................................................
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Rev. E 11-2021
5
MTEC.3900.GB-E-1 Operation and maintenance manual LDA series English
LDAAir to water chillers
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. E 11-2021
6
MTEC.3900.GB-E-1 Operation and maintenance manual LDA series English
LDAAir to water chillers
1.6 Potential Risks
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7
MTEC.3900.GB-E-1 Operation and maintenance manual LDA series English
LDAAir to water chillers
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Rev. E 11-2021
8
MTEC.3900.GB-E-1 Operation and maintenance manual LDA series English
LDAAir to water chillers
GENERAL RISK
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MTEC.3900.GB-E-1 Operation and maintenance manual LDA series English
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Rev. E 11-2021
10
MTEC.3900.GB-E-1 Operation and maintenance manual LDA series English
LDAAir to water chillers
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2. SAFETY
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2.1.3 Persistence and degradation
2.1.4 Effects of discharges
2.1.5 Exposure controls and personal protection
2.1.6 Professional exposure limits
2.2 Refrigerant handling
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Rev. E 11-2021
11
MTEC.3900.GB-E-1 Operation and maintenance manual LDA series English
LDAAir to water chillers
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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2.6 First Aid Measures
2.6.1 Inhalation
2.6.2 Contact with skin
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Rev. E 11-2021
12
MTEC.3900.GB-E-1 Operation and maintenance manual LDA series English
LDAAir to water chillers
2.6.3 Contact with eyes
2.6.4 Ingestion
3. TECHNICAL CHARACTERISTICS
2.6.5 Further medical treatment
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3.1 Unit description
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3.1.3 Compressors
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3.1.4 Source heat exchanger
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3.1.6 User heat exchangers
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Rev. E 11-2021
13
MTEC.3900.GB-E-1 Operation and maintenance manual LDA series English
LDAAir to water chillers
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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
3.2.1 BT Version
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3.2.2 SA Version
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3.2.3 SE Version
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3.2.4 HA Version
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3.2.5 HE Version
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3.2.6 Units with integrated hydraulic kit, tank & pump (A1ZZU - A2ZZU)
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3.2.7 Units with integrated hydraulic kit, pump no tank (A1NU-A2NTU)
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Rev. E 11-2021
14
MTEC.3900.GB-E-1 Operation and maintenance manual LDA series English
LDAAir to water chillers
3.3 Accessories description
3.3.1 Rubber vibration dampers (KAVG)
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3.3.2 Spring vibration dampers (KAVM)
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3.3.3 Antifreeze heater (RAEV)
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3.3.4 Antifreeze kit (only A1 versions) (KPU-KPSU)
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3.3.5 Pressure gauges (MAML)
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3.3.7 Electronic soft starter (DSSE)
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3.3.8 Remote control panel (PCRL)
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3.3.9 RS485 serial interface card modbus protocol (INSE)
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3.3.10 Electronic expansion valve (VTEE)
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3.3.8 Low noise version (LS)
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3.2.9 Extra low noise version (XL)
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Rev. E 11-2021
15
MTEC.3900.GB-E-1 Operation and maintenance manual LDA series English
LDAAir to water chillers
3.3.11 Fan speed control (DCCF)
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3.3.12 Partial heat recovery (RP00)
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Rev. E 11-2021
16
SA/LS/CO * 252 302 402 432 492 592 702 802 902 1002 1202 1402
kW 18,7 25,3 30,0 40,5 46,1 51,8 57,1 64,4 73,4 87,0 95,0 108,2
kW 6,6 9,2 10,8 14,0 16,6 19,6 20,9 22,7 27,6 31,1 36,0 40,1
W/W 2,83 2,76 2,77 2,90 2,77 2,64 2,73 2,84 2,66 2,80 2,64 2,70
kWh/kWh 3,85 3,90 3,83 3,81 3,82 3,84 3,88 3,85 3,80 3,83 3,81 3,85
% 151 153 150 149 150 151 152 151 149 150 149 151
dB (A) 75 75 75 75 77 77 77 78 79 82 83 85
dB (A) 43 43 43 43 45 45 45 46 47 50 51 53
l100 100 100 100 100 100 300 300 300 500 500 500
SE/LS/ CO * 252 302 402 432 492 592 702 802 902 1002 1202 1402
kW 18,5 25,3 29,8 40,3 46,1 52,1 57,6 65,0 74,0 87,0 95,0 109,1
kW 6,6 9,2 10,8 13,8 16,4 19,5 20,7 22,5 27,4 30,6 35,6 39,7
W/W 2,82 2,76 2,77 2,93 2,80 2,68 2,78 2,89 2,70 2,84 2,67 2,75
kWh/kWh 4,02 4,05 4,00 3,95 3,96 3,97 3,97 3,96 3,90 3,95 3,99 4,00
% 158 159 157 155 155 1556 156 155 153 155 157 157
dB (A) 73 74 74 75 77 77 77 78 79 82 83 84
dB (A) 41 42 42 43 45 45 45 46 47 50 51 52
V/Ph/Hz
400/3+N/50 400/3+N/50 400/3+N/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50
n° / n° 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1
n° 222222222333
R410A R410A R410A R410A R410A R410A R410A R410A R410A R410A R410A R410A
kg 6,5 6,5 6,5 8,5 8,5 8,5 8,5 14,5 17,0 17,0 17,0 17,0
2088 2088 2088 2088 2088 2088 2088 2088 2088 2088 2088 2088
t13,57 13,57 13,57 17,74 17,74 17,74 17,74 30,27 35,49 35,49 35,49 35,49
l100 100 100 100 100 100 300 300 300 500 500 500
SA/LS/CO * 1602 1802 2002 2302 2502 2504 3004 3204 3504 4004 4504 5004
kW 121,7 139,1 153,0 182,3 205,3 200,4 220,2 244,6 296,6 326,6 366,7 414,0
kW 44,6 50,6 58,8 64,9 73,6 72,3 83,4 92,3 101,2 115,4 130,5 148,4
W/W 2,73 2,75 2,60 2,81 2,79 2,77 2,64 2,65 2,93 2,83 2,81 2,79
kWh/kWh 3,83 3,91 3,90 3,90 3,81 3,80 3,80 3,80 3,81 3,80 3,82 4,10
%150 153 153 153 149 149 149 149 149 149 150 161
dB (A) 86 86 86 89 90 87 89 90 90 91 92 93
dB (A) 54 54 54 57 58 55 57 58 58 59 60 61
l500 500 500 500 500 500 500 500 1000 1000 1000 1000
SE/LS/CO * 1602 1802 2002 2302 2502 2504 3004 3204 3504 4004 4504 5004
kW 122,5 140,2 154,4 183,3 207,1 201,7 221,8 246,2 297,1 327,8 370,6 417,1
kW 44,2 50,3 58,0 64,5 72,9 71,5 82,5 91,2 100,0 115,0 129,6 146,9
W/W 2,77 2,79 2,66 2,84 2,84 2,82 2,69 2,70 2,97 2,85 2,86 2,84
kWh/kWh 3,95 4,00 4,01 4,01 4,01 3,96 3,97 3,98 4,04 4,00 4,01 4,25
% 155 157 157 157 157 155 156 156 159 157 157 167
dB (A) 85 85 85 89 90 87 89 90 90 91 92 93
dB (A) 53 53 53 57 58 55 57 58 58 59 60 61
V/Ph/Hz 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50
n° / n° 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1 4 / 2 4 / 2 4 / 2 4 / 2 4 / 2 4 / 2 4 / 2
n° 444344446668
R410A R410A R410A R410A R410A R410A R410A R410A R410A R410A R410A R410A
kg 18,0 30,0 25,0 33,0 33,0 40,0 40,0 50,0 60,0 70,0 90,0 90,0
2088 2088 2088 2088 2088 2088 2088 2088 2088 2088 2088 2088
t37,58 62,64 52,20 69,90 69,90 83,52 83,52 104,40 152,28 146,16 187,92 187,92
l500 500 500 500 500 500 500 500 1000 1000 1000 1000
MTEC.3900.GB-E-1 Operation and maintenance manual LDA series English
LDAAir to water chillers
3.4 Technical data
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* Units only available for the non-EU market

Rev. E 11-2021
17
SA/XL/CO * 1602 1802 2002 2302 2502 2504 3004 3204 3504 4004 4504 5004
kW 118,0 135,5 148,2 175,9 198,0 193,1 210,6 232,2 286,8 314,4 355,2 395,0
kW 45,7 51,9 60,0 65,6 73,3 72,3 83,9 94,0 100,6 116,4 131,6 146,3
W/W 2,58 2,61 2,47 2,68 2,70 2,67 2,51 2,47 2,85 2,70 2,70 2,70
kWh/kWh 3,82 3,93 3,82 3,93 3,83 3,81 3,84 3,80 3,92 3,82 3,95 3,94
% 150 154 150 154 150 149 151 149 154 150 155 155
dB (A) 85 85 85 87 89 85 87 88 88 88 90 91
dB (A) 53 53 53 55 57 53 55 56 56 56 58 59
l500 500 500 500 500 500 500 500 1000 1000 1000 1000
SE/XL/CO 1602 1802 2002 2302 2502 2504 3004 3204 3504 4004 4504 5004
kW 118,0 135,5 148,2 175,9 198,0 193,1 210,6 232,2 286,8 314,4 355,2 395,0
kW 44,9 51,5 59,8 65,6 72,8 71,5 83,2 92,5 99,9 115,2 131,6 144,2
W/W 2,63 2,63 2,48 2,68 2,72 2,70 2,53 2,51 2,87 2,73 2,70 2,74
kWh/kWh 4,12 4,14 4,12 4,15 4,13 4,13 4,15 4,12 4,15 4,14 4,13 4,15
% 162 163 162 163 162 162 163 162 163 163 162 163
dB (A) 85 85 85 87 89 85 87 88 88 88 90 91
dB (A) 53 53 53 55 57 53 55 56 56 56 58 59
V/Ph/Hz 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50
n° / n° 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1 4 / 2 4 / 2 4 / 2 4 / 2 4 / 2 4 / 2 4 / 2
n° 444344446668
R410A R410A R410A R410A R410A R410A R410A R410A R410A R410A R410A R410A
kg 18,0 30,0 25,0 33,0 33,0 40,0 40,0 50,0 60,0 70,0 90,0 90,0
2088 2088 2088 2088 2088 2088 2088 2088 2088 2088 2088 2088
t37,58 62,64 52,20 69,90 69,90 83,52 83,52 104,40 152,28 146,16 187,92 187,92
l500 500 500 500 500 500 500 500 1000 1000 1000 1000
SA/XL/CO * 252 302 402 432 492 592 702 802 902 1002 1202 1402
kW 18,8 25,5 29,5 39,7 44,3 50,4 55,8 63,0 71,1 85,2 92,7 105,2
kW 6,7 9,2 11,0 14,1 15,3 18,6 21,3 23,1 28,3 31,4 36,8 41,1
W/W 2,80 2,76 2,67 2,82 2,89 2,71 2,62 2,73 2,51 2,71 2,52 2,56
kWh/kWh 3,80 3,85 3,87 3,83 3,82 3,90 3,83 3,84 3,80 3,90 3,81 3,92
% 149 151 152 150 150 153 150 151 149 153 149 154
dB (A) 71 71 71 71 75 75 75 76 77 80 82 83
dB (A) 39 39 39 39 43 43 43 44 45 48 50 51
l100 100 100 100 100 100 300 300 300 500 500 500
SE/XL/CO 252 302 402 432 492 592 702 802 1002 1202 1402 1402
kW 18,5 25,4 29,4 39,7 44,4 50,6 55,8 63,0 85,2 92,7 105,2 105,2
kW 6,5 9,1 10,4 13,9 15,0 18,3 21,1 22,9 31,3 36,8 40,9 40,9
W/W 2,84 2,81 2,82 2,87 2,96 2,77 2,64 2,75 2,72 2,52 2,57 2,57
kWh/kWh 4,14 4,12 4,14 4,11 4,12 4,15 4,11 4,12 4,13 4,11 4,15 4,10
% 163 162 163 161 162 163 162 162 162 162 163 161,0
dB (A) 68 69 69 71 75 75 75 76 80 82 83 83
dB (A) 36 37 37 39 43 43 43 44 48 50 51 51
V/Ph/Hz
400/3+N/50 400/3+N/50 400/3+N/50
400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50
n° / n° 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1
n° 222222223333
R410A R410A R410A R410A R410A R410A R410A R410A R410A R410A R410A R410A
kg 6,5 6,5 6,5 8,5 8,5 8,5 8,5 14,5 17,0 17,0 17,0 14,9
2088 2088 2088 2088 2088 2088 2088 2088 2088 2088 2088 2088
t13,57 13,57 13,57 17,74 17,74 17,74 17,74 30,27 35,49 35,49 35,49 31,1
l100 100 100 100 100 100 300 300 500 500 500
MTEC.3900.GB-E-1 Operation and maintenance manual LDA series English
LDAAir to water chillers
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Rev. E 11-2021
18
HA/LS/CO 252 302 412 432 492 602 702 802 902 1002 1202 1402
kW 19,6 26,7 32,3 42,8 46,8 55,0 61,5 68,4 82,6 93,5 104,5 121,4
kW 6,3 8,6 10,3 13,8 15,0 17,1 19,6 22,0 26,2 30,0 33,6 38,1
W/W 3,10 3,11 3,13 3,11 3,11 3,22 3,13 3,11 3,15 3,12 3,11 3,19
kWh/kWh 4,11 4,20 4,19 4,11 4,12 4,20 4,19 4,19 4,14 4,13 4,12 4,13
% 161 161 164 162 162 165 165 165 163 162 162 162
dB (A) 75 75 75 75 77 77 77 78 83 84 85 87
dB (A) 43 43 43 43 45 45 45 46 51 52 53 55
l100 100 100 100 100 300 300 300 300 300 300 500
HE/LS/CO 252 302 412 432 492 602 702 802 902 1002 1202 1402
kW 19,7 26,7 32,0 42,8 46,6 55 61,6 68,6 82,6 93,8 105 121,6
kW 6,2 8,4 10,0 13,6 14,8 16,9 19,3 21,8 25,4 29,6 33,2 36,8
W/W 3,16 3,18 3,19 3,15 3,14 3,25 3,19 3,15 3,25 3,17 3,16 3,30
kWh/kWh 4,20 4,25 4,35 4,29 4,26 4,39 4,31 4,24 4,37 4,34 4,25 4,40
% 165 167 171 168 167 173 169 167 172 171 167 173
dB (A) 71 73 73 75 77 77 77 78 81 84 85 86
dB (A) 39 41 41 43 45 45 45 46 49 52 53 54
V/Ph/Hz
400/3+N/50 400/3+N/50
400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50
n° / n° 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1
n° 222222222223
R410A R410A R410A R410A R410A R410A R410A R410A R410A R410A R410A R410A
kg 6,5 6,5 6,5 10,0 8,5 8,5 14,5 14,5 19,0 19,0 20,0 28,0
2088 2088 2088 2088 2088 2088 2088 2088 2088 2088 2088 2088
t13,57 13,57 13,57 20,88 17,74 17,74 30,27 30,27 39,67 39,67 41,76 58,46
l100 100 100 100 100 300 300 300 300 300 300 500
HA/LS/CO 1602 1802 2002 2302 2502 2504 3004 3204 3504 4004 4504
kW 133,3 151,6 168,9 195,0 214,5 208,8 242,5 266,0 301,1 340,5 390,0
kW 42,9 48,7 54,3 62,7 68,8 67,1 77,5 85,3 96,8 109,5 125,4
W/W 3,11 3,11 3,11 3,11 3,12 3,11 3,13 3,12 3,11 3,11 3,11
kWh/kWh 4,19 4,13 4,17 4,18 4,13 4,12 4,13 4,15 4,17 4,19 4,18
% 165 162 164 164 162 162 162 163 164 165 164
dB (A) 88 88 88 89 91 89 90 91 91 91 93
dB (A) 56 56 56 57 59 57 58 59 59 59 61
l500 500 5000 500 1000 1000 1000 1000 1000 1000 1000
HE/LS/CO 1602 1802 2002 2302 2502 2504 3004 3204 3504 4004 4504
kW 133,3 152,1 169,3 195,6 215,1 210,3 246,8 267,7 303,2 345,3 390
kW 41,8 48,1 53,6 62,7 68,3 66,3 76,2 85,0 95,3 108,2 123,8
W/W 3,19 3,16 3,16 3,12 3,15 3,17 3,24 3,15 3,18 3,19 3,15
kWh/kWh 4,42 4,41 4,31 4,40 4,28 4,25 4,36 4,32 4,41 4,28 4,43
% 174 175 169 173 168 167 171 170 173 168 174
dB (A) 87 88 88 89 91 88 89 90 91 91 93
dB (A) 55 56 56 57 59 56 57 58 59 59 61
V/Ph/Hz 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50
n° / n° 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1 4 / 2 4 / 2 4 / 2 4 / 2 4 / 2 4 / 2
n° 33333466668
R410A R410A R410A R410A R410A R410A R410A R410A R410A R410A R410A
kg 30,0 30,0 30,0 30,0 40,0 40,0 50,0 60,0 50,0 60,0 90,0
2088 2088 2088 2088 2088 2088 2088 2088 2088 2088 2088
t62,64 62,64 62,64 62,64 83,52 83,52 104,40 152,28 104,40 152,28 187,92
l500 500 5000 500 1000 1000 1000 1000 1000 1000 1000
MTEC.3900.GB-E-1 Operation and maintenance manual LDA series English
LDAAir to water chillers
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Rev. E 11-2021
19
HA/XL/CO 252 302 412 432 492 602 702 802 902 1002 1202 1402
kW 20,5 27,0 31,9 42,6 46,1 54,0 61,2 68,1 80,7 91,2 103,2 118,8
kW 6,6 8,7 10,2 13,7 14,9 17,4 19,6 22,0 25,4 29,4 33,3 36,9
W/W 3,11 3,10 3,14 3,11 3,10 3,11 3,12 3,10 3,18 3,10 3,10 3,22
kWh/kWh 4,14 4,11 4,15 4,13 4,11 4,16 4,15 4,15 4,16 4,17 4,16 4,20
% 162 161 163 162 161 163 163 163 163 164 163 165
dB (A) 70 70 70 70 72 72 72 73 75 77 78 80
dB (A) 38 38 38 38 40 40 40 41 43 45 46 48
l100 100 100 100 100 300 300 300 300 300 300 500
HE/XL/CO 252 302 412 432 492 602 702 802 902 1002 1202 1402
kW 20,5 27,0 31,4 42,6 46,1 54,0 61,2 68,1 80,7 91,2 103,2 118,8
kW 6,6 8,7 10,1 13,7 14,8 17,2 19,6 21,9 25,4 29,2 33,2 36,9
W/W 3,12 3,11 3,12 3,11 3,11 3,14 3,13 3,11 3,18 3,12 3,11 3,22
kWh/kWh 4,35 4,32 4,44 4,25 4,30 4,35 4,30 4,25 4,40 4,43 4,30 4,50
% 171 170 175 167 169 171 169 167 173 174 169 177
dB (A) 64 65 68 70 72 72 72 73 75 77 78 80
dB (A) 32 33 36 38 40 40 40 41 43 45 46 48
V/Ph/Hz
400/3+N/50 400/3+N/50
400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50
n° / n° 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1
n° 222222222223
R410A R410A R410A R410A R410A R410A R410A R410A R410A R410A R410A R410A
kg 6,5 6,5 6,5 10,0 8,5 8,5 14,5 14,5 19,0 19,0 20,0 28,0
2088 2088 2088 2088 2088 2088 2088 2088 2088 2088 2088 2088
t13,57 13,57 13,57 20,88 17,74 17,74 30,27 30,27 39,67 39,67 41,76 58,46
l100 100 100 100 100 300 300 300 300 300 300 500
HA/XL/CO 1602 1802 2002 2302 2502 2504 3004 3204 3504 4004 4504
kW 130,1 150,1 166,8 189,1 211,0 208,5 236,0 264,0 297,8 337,4 383,5
kW 42,0 48,1 53,8 60,8 67,8 67,3 75,6 84,9 95,8 108,5 123,7
W/W 3,10 3,12 3,10 3,11 3,11 3,10 3,12 3,11 3,11 3,11 3,10
kWh/kWh 4,11 4,25 4,12 4,27 4,15 4,14 4,22 4,20 4,30 4,20 4,25
% 161 167 162 168 163 163 166 165 169 165 167
dB (A) 81 81 81 83 84 81 83 84 84 84 86
dB (A) 49 49 49 51 52 49 51 52 52 52 54
l500 500 500 500 500 1000 1000 1000 1000 1000 1000
HE/XL/CO 1602 1802 2002 2302 2502 2504 3004 3204 3504 4004 4504
kW 130,1 150,1 166,8 189,1 211,0 208,5 236,0 264,0 297,8 337,4 383,5
kW 42,0 48,1 53,6 60,8 67,8 67,3 75,6 84,9 95,4 108,5 122,9
W/W 3,10 3,12 3,11 3,11 3,11 3,10 3,12 3,11 3,12 3,11 3,12
kWh/kWh 4,40 4,45 4,35 4,35 4,28 4,30 4,40 4,35 4,38 4,30 4,40
% 173 175 171 171 168 169 173 171 172 169 173
dB (A) 81 81 81 83 84 81 83 84 84 84 86
dB (A) 49 49 49 51 52 49 51 52 52 52 54
V/Ph/Hz 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50
n° / n° 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1 4 / 2 4 / 2 4 / 2 4 / 2 4 / 2 4 / 2
n° 33333466668
R410A R410A R410A R410A R410A R410A R410A R410A R410A R410A R410A
kg 30,0 30,0 30,0 30,0 40,0 40,0 50,0 60,0 50,0 60,0 90,0
2088 2088 2088 2088 2088 2088 2088 2088 2088 2088 2088
t62,64 62,64 62,64 62,64 83,52 83,52 104,40 152,28 104,40 152,28 187,92
l500 500 500 500 500 1000 1000 1000 1000 1000 1000
MTEC.3900.GB-E-1 Operation and maintenance manual LDA series English
LDAAir to water chillers
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Rev. E 11-2021
20
0,8
0,9
1,0
1,1
1,2
1,3
1,4
1,5
1,6
5 6 7 8 9 10 11 12 13 14 15 16 17 18
20°C
25°C
30°C
35°C
40°C
20°C
25°C
30°C
35°C
40°C
0,7
0,8
0,9
1,0
1,1
1,2
5 6 7 8 9 10 11 12 13 14 15 16 17 18
MTEC.3900.GB-E-1 Operation and maintenance manual LDA series English
LDAAir to water chillers
3.4.1 Cooling capacity and compressors input power
External temp. 43°C
User water out temperature (°C)
User water out temperature (°C)
Input power correction factorCooling capacity correction factor
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External temp. 43°C