Air cooled liquid chillers and reverse cycle air/water heat pumps ...
Air cooled liquid chillers and reverse cycle air/water heat pumps ...
Air cooled liquid chillers and reverse cycle air/water heat pumps ...
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<strong>Air</strong> <strong>cooled</strong> <strong>liquid</strong> <strong>chillers</strong> <strong>and</strong> <strong>reverse</strong> <strong>cycle</strong> <strong>air</strong>/<strong>water</strong> <strong>heat</strong> <strong>pumps</strong><br />
Range: from 34 kW to 262 kW<br />
• R410A refrigerant<br />
• Scroll compressors<br />
• Part load efficiency<br />
• Range flexibility<br />
• IDRORELAX Network Unit
Climaveneta presents its new NECS (New Evolution Climaveneta System) range of <strong>chillers</strong> (<strong>heat</strong> <strong>pumps</strong>)<br />
fitted with R410A rotary scroll compressors.<br />
The range comprises one-circuit versions with due compressors <strong>and</strong> two-circuit versions with four<br />
compressors.<br />
Consistently with corporate culture, the NECS series exploits cutting-edge technology to achieve<br />
extremely high levels of quality, focusing on maximum energy efficiency <strong>and</strong> minimum noise emissions.<br />
WHY R410A<br />
Though R410A is a blend, it behaves just like a pure gas <strong>and</strong><br />
features a negligible temperature glide. Thanks to its outst<strong>and</strong>ing<br />
<strong>heat</strong> conductivity, R410A contributes towards achieving elevated<br />
system efficiency.<br />
R410A is also an ecological gas, both because its elevated<br />
efficiency reduces electricity consumption <strong>and</strong>, consequently,<br />
CO 2 , emissions <strong>and</strong> because it does not damage<br />
the ozone layer (ODP = 0).<br />
The scroll compressor has been expressly redesigned<br />
for use with the new gas <strong>and</strong> is now even more compact<br />
<strong>and</strong> silent than before.<br />
NECS, THE CLIMAVENETA R410A RANGE<br />
Scroll compressors,<br />
featuring high efficiency,<br />
low vibrations <strong>and</strong><br />
low noise emissions.<br />
R410A refrigerant,<br />
thanks to its enhanced <strong>heat</strong><br />
conductivity compared with R407C<br />
<strong>and</strong> the generous sizing of the<br />
<strong>heat</strong> exchange surfaces of the<br />
units, this refrigerant has<br />
considerably increased the EER<br />
<strong>and</strong> ESEER energy indices.<br />
Part load efficiency,<br />
part load efficiency has been improved<br />
(ESEER > 4.3) in the new single-circuit,<br />
dual-compressor version, with a 35%<br />
saving in seasonal electricity consumption<br />
compared with the previous R407C<br />
version.<br />
ESEER<br />
Range flexibility,<br />
the Climaveneta range has been designed<br />
to satisfy a wide variety of needs.<br />
For this reason, a good<br />
16 sizes <strong>and</strong> up to 5<br />
versions are<br />
available in<br />
the 34-262<br />
kW range.<br />
New controller, all the units can be connected<br />
to the new W3000 controller featuring a “user<br />
friendly” interface.<br />
Main functions:<br />
QuickMind, local <strong>and</strong><br />
remote FWS supervision,<br />
<strong>and</strong> dual setpoint<br />
management confirm<br />
Climaveneta's<br />
commitment to<br />
continually developing its<br />
electronics technology.<br />
IDRORELAX,<br />
the NECS range of<br />
<strong>chillers</strong> is available<br />
in the –IR configuration. This allows interfacing with<br />
the IDRORELAX system.
INTEGRATED HYDRONIC UNIT (Optional).<br />
Compact PLUG <strong>and</strong> PLAY units.<br />
NECS has been designed to reduce installation work to a minimum.<br />
The integrated hydronic unit incorporates all the hydraulic components, thus optimising installation space,<br />
time <strong>and</strong> costs.<br />
The integrated hydronic unit comprises:<br />
• storage tank<br />
• circulation pump with composite impeller<br />
• pre-mounted Y-shaped <strong>water</strong> filter with stainless steel mesh<br />
• <strong>water</strong> flow switch<br />
• pump inlet pressure gauge<br />
• output flow adjustment valve<br />
• safety valve<br />
• expansion tank<br />
• <strong>air</strong> vent<br />
• <strong>water</strong> drain.<br />
A circulation pump with a two-pole electric motor <strong>and</strong> an elevated useful static head is available<br />
for all sizes.<br />
Pumps with a low useful static head <strong>and</strong> a 2- or 4-pole electric motor are available for units with four<br />
compressors (NECS xxx4) in order to more fully adapt the unit to system requirements in terms of flow<br />
rate/head. On request, the hydronic assembly can be supplied with two circulation <strong>pumps</strong>, one of which<br />
backing up the other, featuring a programmed rotation schedule <strong>and</strong> automatic swap-over should the<br />
working pump fail.<br />
In this case, the hydronic assembly is fitted with a check valve in order to ensure the unit is installed <strong>and</strong><br />
operated correctly.<br />
Hydronic unit rendering
Comparison between NECS <strong>and</strong> traditional<br />
R407C units - Range from 34 to 262 kW<br />
The energy efficiency (EER) of these<br />
Climaveneta units is further enhanced thanks<br />
to the fact that the design of the <strong>heat</strong><br />
exchange surfaces, coils <strong>and</strong> plate exchangers<br />
was focused on minimising running costs.<br />
As well as achieving an EER close to 2.9,<br />
this design focus achieves very high levels<br />
of reliability <strong>and</strong> lengthens the working<br />
life of the compressor.<br />
EER<br />
2,90<br />
2,85<br />
2,80<br />
2,75<br />
2,7<br />
2,65<br />
2,60<br />
2,81<br />
2,63<br />
2,75<br />
2,61<br />
2,80<br />
2,82<br />
2,77<br />
+ 10%<br />
R407C unit<br />
2,89<br />
2,60 2,60<br />
2,55<br />
2,58<br />
2,54<br />
2,50<br />
ELEVATED PERFORMANCE AT ESEER PART LOADS<br />
Increasingly closer attention is being paid towards<br />
the power consumption of <strong>air</strong>-conditioning<br />
equipment, both at national <strong>and</strong> European level.<br />
An installed chiller reduces rated energy for<br />
extremely short periods of time, while most of the<br />
energy is produced with part loads ranging<br />
between 50% <strong>and</strong> 75%.<br />
The ESEER parameter proposed by Eurovent, takes<br />
part load operating conditions into account when<br />
assessing unit efficiency.<br />
It should be pointed out that units are only<br />
required to deliver 100% of their rated cooling<br />
power for 1.4% of their total running time,<br />
according to European calculations, <strong>and</strong> just 0.5%<br />
according to American calculations (IPLV).<br />
In these conditions, the energy produced by a unit<br />
accounts for respectively 3% <strong>and</strong> just 1% of the<br />
total energy produced during its working life.<br />
load - energy %<br />
125<br />
100<br />
75<br />
50<br />
25<br />
0<br />
ESEER<br />
carico<br />
peso<br />
18 20 22 24 26 28 30 32 34 36<br />
IPLV (American)<br />
carico<br />
peso<br />
12 14 16 18 20 22 24 26 28 30 32 34 36<br />
external <strong>air</strong> temperature (°C)<br />
external <strong>air</strong> temperature (°C)<br />
ESEER<br />
IPLV (American)<br />
Load <strong>Air</strong> temp. Time Energy <strong>Air</strong> temp. Time Energy<br />
100 % 35 °C 1,4 % 3 % 35 °C 0,5 % 1 %<br />
75 % 30 °C 19,9 % 33 % 26,7 °C 28,7 % 42 %<br />
50 % 25 °C 37,1 % 41 % 18,3 °C 46,2 % 45 %<br />
25 % 20 °C 41,6 % 23 % 12,8 °C 24,6 % 12 %<br />
Energy = percentage of total power produced in the various load conditions<br />
ESEER values of the new NECS units<br />
ESEER = Energy 100% * EER 100% + Energy 75% * EER 75% + Energy 50% * EER 50% + Energy 25% * EER 25%<br />
SINGLE-CIRCUIT<br />
NECS 302LN<br />
R410A UNIT<br />
EER 100% 2,59<br />
EER 75% 3,59<br />
EER 50% 4,45<br />
EER 25% 4,39<br />
TRADITIONAL TWO-CIRCUIT<br />
R407C UNIT<br />
WITH TWO SCROLL COMPRESSORS<br />
2,44 EER 100%<br />
2,71 EER 75%<br />
3,21 EER 50%<br />
3,27 EER 25%<br />
ESEER 4,10<br />
3,04 ESEER
NECS 0152-1004 Ver. 0152 0182 0202 0252 0302 0352 0412<br />
B 38,1 45,1 50,5 57,0 76,0 86,8 96,9<br />
Cooling capacity (1) LN 36,1 42,8 50,7 57,6 74,2 84,4 96,4<br />
SL 33,8 42,3 47,8 55,5 69,9 85,4 96,8<br />
B 14,4 15,6 19,1 21,5 27,8 31,9 36,3<br />
Total power input (1) LN 15,0 16,5 18,9 21,3 28,6 33,6 37,1<br />
SL 16,3 17,0 20,3 22,6 30,8 33,6 37,4<br />
B 2,65 2,89 2,65 2,65 2,73 2,72 2,67<br />
Total EER LN 2,40 2,60 2,68 2,71 2,59 2,51 2,60<br />
SL 2,07 2,49 2,35 2,46 2,27 2,54 2,59<br />
B 4,03 4,27 4,21 4,14 4,13 4,31 4,16<br />
ESEER LN 4,03 4,18 4,23 4,20 4,10 4,03 4,00<br />
SL 3,77 3,92 4,01 3,93 3,85 3,91 3,89<br />
B 84 84 84 84 85 86 86<br />
Sound power level (3) LN 79 79 80 80 81 83 83<br />
SL 76 77 77 78 78 81 81<br />
B 52 52 52 52 53 54 54<br />
Sound pressur level (4) LN 47 47 48 48 49 51 51<br />
SL 44 45 45 46 46 49 49<br />
NECS-N 0152-1004 Ver. 0152 0182 0202 0252 0302 0352 0412<br />
B 37,7 42,8 47,9 57,5 72,0 82,5 93,9<br />
Cooling capacity (1) LN 35,8 42,0 48,0 54,6 73,2 83,5 93,9<br />
SL - - - - - - -<br />
B 13,6 15,7 19,2 20,4 28,0 32,0 36,0<br />
Total power input (1) LN 14,3 16,2 19,1 21,3 27,2 32,0 36,0<br />
SL - - - - - - -<br />
B 42,6 47,8 53,8 64,8 80,6 92,9 105<br />
Heating capacity (2) LN 41,6 47,9 53,7 63,2 83,6 95,6 108<br />
SL - - - - - - -<br />
B 14,2 15,6 18,1 21,2 26,1 29,8 33,9<br />
Total power input (2) LN 13,8 15,3 18,1 20,7 26,0 30,4 34,2<br />
SL - - - - - - -<br />
B 2,99 3,07 2,97 3,06 3,09 3,12 3,09<br />
Total COP LN 3,01 3,14 2,97 3,06 3,21 3,14 3,17<br />
SL - - - - - - -<br />
B 84 84 84 84 85 86 86<br />
Sound power level (3) LN 79 79 80 80 81 83 83<br />
SL - - - - - - -<br />
B 52 52 52 52 53 54 54<br />
Sound pressure level (4) LN 47 47 48 48 49 51 51<br />
SL - - - - - - -<br />
NECS 0152-1004<br />
Dim. (5) Ver. 0152 0182 0202 0252 0302 0352 0412 0452 0512 0504 0524<br />
B 1695 1695 1695 1695 2195 2195 2745 2745 3245 3110 3110<br />
A LN 1695 1695 2195 2195 2745 2745 2745 2745 3245 3110 3110<br />
SL 1695 2195 2195 2745 2745 3245 3245 3245 3245 3110 3110<br />
B 1120 1120 1120 1120 1120 1120 1120 1120 1120 2220 2220<br />
B LN 1120 1120 1120 1120 1120 1120 1120 1120 1120 2220 2220<br />
SL 1120 1120 1120 1120 1120 1120 1120 1120 1120 2220 2220<br />
B 1420 1420 1420 1420 1420 1420 1420 1420 1620 1700 1700<br />
H LN 1420 1420 1420 1420 1420 1620 1620 1620 1620 1700 1700<br />
SL 1420 1420 1420 1420 1420 1620 1620 1620 1620 1700 2150<br />
B 370 410 410 420 620 650 730 780 930 1230 1450<br />
Operating<br />
LN 370 410 460 490 660 720 790 820 930 1230 1450<br />
weight<br />
SL 390 450 480 540 700 780 860 910 940 1360 1570<br />
NECS-N 0152-1004<br />
Dim. (5) Ver. 0152 0182 0202 0252 0302 0352 0412 0452 0512 0504 0524<br />
B 1695 1695 1695 2195 2195 2195 2745 2745 3245 3110 3110<br />
A LN 1695 1695 2195 2195 2745 2745 2745 2745 3245 3110 3110<br />
SL - - - - - - - - - 3110 3110<br />
B 1120 1120 1120 1120 1120 1120 1120 1120 1120 2220 2220<br />
B LN 1120 1120 1120 1120 1120 1120 1120 1120 1120 2220 2220<br />
SL - - - - - - - - - 2220 2220<br />
B 1420 1420 1420 1420 1420 1420 1420 1420 1620 1700 1700<br />
H LN 1420 1420 1420 1420 1420 1620 1620 1620 1620 1700 1700<br />
SL - - - - - - - - - 1700 2150<br />
B 400 410 420 500 630 690 770 850 950 1380 1570<br />
Operating<br />
LN 400 420 460 500 710 770 830 880 990 1380 1570<br />
weight<br />
SL - - - - - - - - - 1460 1700
0452 0512 0504 0524 0604 0704 0804 0904 1004<br />
112 127 113 136 154 177 200 223 255<br />
109 122 104 129 147 167 187 208 242<br />
106 118 113 130 147 162 193 211 235<br />
39,7 43,8 45,6 53,8 59,7 68,1 74,9 84,2 94,1<br />
41,4 46,0 47,9 53,5 60,0 69,6 77,6 87,8 95,3<br />
43,1 48,4 45,2 51,8 58,8 71,1 75,4 87,2 96,7<br />
2,83 2,90 2,48 2,53 2,58 2,60 2,67 2,65 2,71<br />
2,63 2,65 2,17 2,41 2,45 2,40 2,41 2,37 2,54<br />
2,46 2,44 2,50 2,51 2,50 2,28 2,56 2,42 2,43<br />
4,34 4,23 4,05 3,60 3,77 3,91 4,04 4,14 3,93<br />
4,21 4,04 3,92 3,85 3,92 4,02 3,98 4,07 4,01<br />
3,98 3,89 4,01 4,14 4,14 4,13 4,07 4,08 4,09<br />
86 87 91 92 92 92 92 93 94<br />
83 84 85 86 86 86 86 87 88<br />
81 82 82 82 82 82 83 83 83<br />
54 55 59 60 60 60 60 61 62<br />
51 52 53 54 54 54 54 55 56<br />
49 50 50 50 50 50 51 51 51<br />
0452 0512 0504 0524 0604 0704 0804 0904 1004<br />
107 120 111 129 147 166 189 211 240<br />
103 119 103 123 141 156 177 199 227<br />
- - 108 124 141 159 183 201 225<br />
39,9 44,0 43,7 54,0 60,0 68,9 75,9 85,1 95,6<br />
41,6 44,5 46,2 53,5 60,0 70,3 78,3 87,7 96,2<br />
- - 45,0 52,1 58,3 67,7 75,3 87,4 95,3<br />
121 135 127 145 167 185 209 234 267<br />
120 137 122 138 158 176 198 225 254<br />
- - 125 140 158 178 205 226 253<br />
38,1 42,3 43,6 52,7 58,0 64,7 72,1 79,9 92,1<br />
37,9 42,3 41,5 48,9 53,7 60,7 67,8 75,5 86,1<br />
- - 42,8 47,5 52,1 59,5 68,6 75,8 83,8<br />
3,18 3,19 2,91 2,75 2,88 2,86 2,90 2,93 2,90<br />
3,16 3,23 2,94 2,82 2,94 2,90 2,92 2,98 2,95<br />
- - 2,92 2,95 3,03 2,99 2,99 2,98 3,02<br />
86 87 91 92 92 92 92 93 94<br />
83 84 85 86 86 86 86 87 88<br />
- - 82 82 82 82 83 83 83<br />
87 55 59 60 60 60 60 61 62<br />
84 52 53 54 54 54 54 55 56<br />
- - 50 50 50 50 51 51 51<br />
0604 0704 0804 0904 1004<br />
3110 3110 3110 4110 4110<br />
3110 3110 3110 4110 4110<br />
3110 3110 4110 4110 4110<br />
2220 2220 2220 2220 2220<br />
2220 2220 2220 2220 2220<br />
2220 2220 2220 2220 2220<br />
1700 2150 2150 2150 2150<br />
1700 2150 2150 2150 2150<br />
2150 2150 2150 2150 2150<br />
1620 1780 1890 2070 2220<br />
1620 1780 1890 2070 2220<br />
1770 1860 2120 2180 2320<br />
Data referred to:<br />
Units fitted with a hydronic unit with one 2-pole high-head pump. Data<br />
referring to other configurations can be obtained from our sales department.<br />
1) Evaporator <strong>water</strong> (in/out) 12/7 °C<br />
Condenser <strong>air</strong> (in) 35 °C<br />
2) Condenser <strong>water</strong> (in/out) 40/45 °C<br />
Evaporator <strong>air</strong> (in) 7 °C<br />
3) Acoustic power measured according to ISO 3744 <strong>and</strong> Eurovent 8/1.<br />
4) Acoustic pressure measured in free field conditions on a reflecting plane.<br />
Average value on the condensing coil side, 10 metre from the outer surface <strong>and</strong><br />
10 metre above the base of the unit.<br />
4) Free space required around the unit:<br />
Electrical panel side 600 mm<br />
Opposite side from electrical panel 600 mm<br />
Condensation coil side 1000 mm<br />
The information contained in this document may be modified without notice<br />
<strong>and</strong> refers to units designed for the European Market.<br />
0604 0704 0804 0904 1004<br />
3110 3110 3110 4110 4110<br />
3110 3110 3110 4110 4110<br />
3110 3110 4110 4110 4110<br />
2220 2220 2220 2220 2220<br />
2220 2220 2220 2220 2220<br />
2220 2220 2220 2220 2220<br />
1700 2150 2150 2150 2150<br />
1700 2150 2150 2150 2150<br />
2150 2150 2150 2150 2150<br />
1750 1900 2080 2270 2410<br />
1750 1900 2080 2270 2410<br />
1900 2050 2310 2370 2520<br />
H<br />
H<br />
A<br />
A<br />
B<br />
B<br />
NECS / NECS-N 0152-0512 NECS / NECS-N 0504-1004
LOW-NOISE VERSIONS<br />
Two noise reduction versions are available<br />
for all sizes: low noise <strong>and</strong> super low noise.<br />
Low noise levels are achieved by reducing<br />
fan speed while the circuitry has been optimised<br />
<strong>and</strong> the coils generously sized to ensure<br />
the unit works correctly.<br />
Example of low-noise configuration<br />
NECS 0704 sound power levels:<br />
LN version =- 6<br />
dB(A)<br />
compared with the st<strong>and</strong>ard version<br />
SL version =-10 dB(A)<br />
compared with the st<strong>and</strong>ard version<br />
Climaveneta certifies <strong>and</strong> guarantees<br />
its noise parameters<br />
CONTROLLER WITH LCD INTERFACE<br />
All the units can be connected to the new W3000<br />
controller featuring a “user friendly” interface.<br />
(Std. for 4 compressors).<br />
The interface is also available in the remote version.<br />
Main functions: QuickMind, local <strong>and</strong> remote FWS<br />
supervision, dual setpoint management, etc.,<br />
confirm Climaveneta's commitment to continually<br />
developing its electronics technology.<br />
The <strong>heat</strong> <strong>pumps</strong>, moreover, are fitted with the original<br />
Climaveneta defrosting control system called “Autotuning<br />
Defrost” which considerably reduces defrosting times,<br />
thus improving the energy performance of the unit.<br />
Interfaces with BMS systems: METASYS ® , MODBUS ® ,<br />
LONWORKS ® , SYEMENS ® , TREND ® .<br />
QuickMind is a special control unit which monitors<br />
the main operating parameters, predicts system<br />
behaviour <strong>and</strong> anticipates unit settings in order<br />
to constantly optimise performance; it allows both<br />
return <strong>and</strong> delivery <strong>water</strong> temperatures to be chosen<br />
as adjustment parameters.<br />
Black Box logs data relative<br />
to 200 alarm events which<br />
can be printed with any kind<br />
of personal computer.<br />
IDRORELAX<br />
The NECS range of <strong>chillers</strong> with <strong>heat</strong> pump is available<br />
in the IR configuration; this allows units to be combined<br />
with IDRORELAX, a centralised hydronic system<br />
for managing cooling <strong>and</strong> <strong>heat</strong>ing requirements<br />
<strong>and</strong> producing hot running <strong>water</strong> for residential, hotel <strong>and</strong> office applications.<br />
Further information on the IDRORELAX system can be obtained by consulting<br />
the relative documentation.
A100HL_101_110D_CV_05_06_GB (V.02)<br />
CLIMAVENETA S.p.A.<br />
Via Sarson, 57/c<br />
36061 Bassano del Grappa (VI) - Italia<br />
Tel. +39 0424 509 500<br />
Fax +39 0424 509 509<br />
info@climaveneta.it<br />
www.climaveneta.it