(The photo of the unit is indicative and may vary depending on the model) REFRIGERANT GAS R410A TOTAL VERSATILITY INTEGRATED HYDRONIC MODULE ON COOLER/CONDENSER SIDE INTEGRATED CONDENSATION´S CONTROL Climaveneta Technical Brochures NECS-WN 0152-0612_201211_EN NECS-WN 0152-0612 43,4-186 kW Reversible unit, water source
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(The photo of the unit is indicative and may vary depending on the model)
REFRIGERANT GAS R410ATOTAL VERSATILITYINTEGRATED HYDRONIC MODULE ON COOLER/CONDENSER SIDEINTEGRATED CONDENSATION´S CONTROL
Climaveneta declines any liability derived from the bulletin’s
use. This bulletin is of exclusive property of Climaveneta, and
all forms of copy are prohibited. The information contained in
this document may be modifi ed without prior notice.
Company quality system
certifi ed to UNI EN ISO 9001
This company par-
ticipates in the Eurovent
Certifi cation Programme.
The products are listed in the
Directory of certifi ed products.
Eurovent certifi cation ap-
plied to units with cooling
capacity up to l500 kW for
air cooled water chillers and
water cooled liquid chillers.
1. Product presentation
1.1 Energy indices ESEER and IPLV
1.2 Using the energy indices
1.3 Control unit with LED display
1.4 Integrated Hydronic Unit (Optional)
2. Unit description
2.1 Standard unit composition
2.2 Electric power and control panel
2.3 Accessories
3. Technical data
3.1 General technical data
3.2 Cooling capacity performance
3.3 Heat pump capacity performance
4. Operating range
5. Hydraulic data
5.1 Water fl ow and pressure drop
6. Hydronic groups
7. Electrical data
8. Full load sound level
9. Dimensional drawings
10. Clearance - Lifting - Symbols
11. Key to hydraulic connections
pg. n° III
pg. n° V
pg. n° V
pg. n° VI
pg. n° VII
pg. n° 1
pg. n° 1
pg. n° 1
pg. n° 1
pg. n° 2
pg. n° 2
pg. n° 4
pg. n° 8
pg. n° 12
pg. n° 13
pg. n° 13
pg. n° 14
pg. n° 19
pg. n° 20
pg. n° A1
pg. n° A3
pg. n° A4
III NECS-WN_0152_0612
NECS-WN
HFC R410A
1. PRODUCT PRESENTATION
NECS, the new CLIMAVENETA R410A proposal
Climaveneta introduces its new NECS-W range of chillers
and heat pumps with scroll compressors, plate exchangers
and R-410A, with both one-circuit two compressors and two-
circuit four compressors, focused on maximum effi ciency and
minimum noise emission.
Why R-410A?Although R-410A is a blend, it behaves just like a pure gas and features a negligible temperature glide. Thanks to its outstand-ing heat conductivity, R-410A contributes towards achieving high system effi ciency. R-410A is also an ecological gas be-cause its high effi ciency reduces electricity consumption and consequently CO
2 emissions and because it does not damage
the ozone layer (ODP = 0).The scroll compressor has been expressly redesigned for use with the new gas and is now even more compact and silent
than before.
Complete versatilityNECS-W units are designed to fully satisfy any application or installation needs throughout a complete range of models, hy-dronic confi gurations and accessories. NECS-W is available in chiller mode (chilled water production), heat pump for hot wa-ter production (plus possible water side reversal) NECS-WH and fi nally heat pump with “refrigerant side reversal” NECS-
WN (chilled/hot water production).
High effi ciency at partial loadClimaveneta has designed NECS-W units with the goal of guaranteeing high effi ciency at part load. The result achieved in the new single circuit dual-compressor is an ESEER up to 6.01, equivalent to a 33% saving in seasonal energy consump-tion compared to traditional R-407C double-circuit unit.
Advantages
The technological choices aimed to provide the maximum
overall quality and the use of the most innovative technologies
make NECS-W a unit able to ensure maximum energy effi -
ciency, easy installation thanks to its compact size, versatility
and settings for integration in the Idrorelax centralized hydronic
system (www.idrorelax.it).
Reversible heat pumpsAll NECS-W are available as NECS-WN heat pump model; this model completes the Climaveneta water cooled units range.Making a comparison between NECS-WN and a traditional “water side reversal” heat pump, reductions in installation spaces and an easier water connection layout are achieved. It means saving in installation costs and time.
Condensing pressure control deviceNECS-W electronic control can manage the best suitable con-densing pressure control device for every applications: pres-sostatic valve, 2 or 3 way modulating valve and inverter on the condenser pumps. NECS-W units can therefore be combined with dry-coolers, evaporating towers and geothermal probes, or used to cool open-loop water (e.g.: aqueducts, wells, water
tables).
Kit pumps available on hot/cold sideNECS-W units have been designed to minimise installation times. Units are available with both evaporator /condenser hy-dronic kit.Hydronic kits are fully accessorized with every hydronic device in order to obtain: space reduction, installation costs saving and shortening installation time.The units are plug&play thanks to the feasibility to install 1 or 2 pumps on board, high and low pressure head on both evapora-tor and condenser sides.
IV NECS-WN_0152_0612
NECS-WN
HFC R410A
Consistent with corporate culture, the NECS-W series was
designed to offer extremely high quality products with cutting-
edge technology focusing on maximum energy effi ciency at
both full (EER) and part load (ESEER).
Energy effi ciency at full loadNECS-W units stand out for their particularly high EER energy effi ciency index. This result was achieved by focusing on the
design of plate exchangers both on the condenser side and on the evaporator side.These construction choices have both increased effi ciency and provided extremely high levels of reliability while signifi cantly
increasing compressor working life.
Energy effi ciency at part loadAttention to energy consumption is continually gaining impor-tance, even at European level.The installed chiller unit works at full load only for extremely short periods of time while most of the energy is produced with part loads between 50 and 75%.
The ESEER parameter proposed by Eurovent, takes part load operating conditions into account when assessing unit effi -
ciency.
Load Water temp. Weight
V NECS-WN_0152_0612
NECS-WN
HFC R410A
1.1 Energy indices ESEER and IPLV
Increasingly closer attention is being paid towards the power
consumption of air-conditioning equipment, both in Europe and
elsewhere.
For many years in the United States, reference has not just
been made to effi ciency at rated conditions. A valuation index
is used which considers marginal operation of the unit at rated
conditions as well as the increased usage when the separation
stages of the cooling compressors are used.
The valuation index adopted in the United States is called IPLV
(Integrated Part Load Value) and is defi ned in the regulations
issued by ARI (American Refrigeration Institute).
ARI Standard
IPLVARI =(1*EER100%
+ 42*EER 75%
+ 45*EER50%
+ 12*EER25%
) /100
Where EER100%
, EER75%
, EER50%
, EER25%
are the effi ciencies of
the chiller in the various load conditions (100% - 75% - 50% and
25% respectively), calculated in the external air temperature
conditions shown below. The temperature of the water leaving
the evaporator is considered constant at 6.7°C in all load condi-
tions, with a delta of 5°C in the full load condition.
The multipliers 1, 42, 45 e 12 are the cooling performance coef-
fi cients in various load conditions statistically calculated by ARI
on the basis of surveys conducted, for various types of build-
ings and operating conditions, in 29 American cities.
ESEER Comparison:
NECS-W single-circuit vs. traditional dual-circuit unit.
The comparison proves that the new single-circuit NECS-W
units with R-410A feature signifi cantly greater energy effi ciency
(ESEER + 38%) over traditional dual-circuit units with R-407C.
NECS-W 202 Traditional unit Energy effi ciency percent difference
Single circuit R-410A Two scroll - two circuit R-407C NECS-W 202 vs a traditional R407-C unit
EER 100% 4,53 4,48 + 1%
EER 75% 5,55 4,55 + 22%
EER 50% 6,55 4,48 + 46%
EER 25% 5,88 4,55 + 26 %
ESEER 6,01 4,52 + 33%
NECS-W ESEER
0152 5,81
0182 5,98
0202 6,01
0252 5,69
0262 5,59
0302 5,66
0352 5,80
0412 5,71
0452 5,79
0512 5,78
0552 5,93
0612 5,80
In Europe there is a proposal for EECCAC (Energy Effi ciency
and Certifi cation of Central Air Conditioner).
Proposal EECCAC
ESEER = (3*EER100%
+33*EER75%
+ 41*EER50%
+ 23*EER25%
)/100
Evaporator temp. leaving 6,7°C
DeltaT full load 5°C
Load 100% 75% 50% 25%
External air temp. 30°C 26°C 22°C 18°C
1.2 Using the energy indices
After establishing which index to use and estimating the total
power required by the system in the summer mode (in kWh),
we can calculate seasonal electricity consumption (in kWh) us-
ing the following formula:
Power absorbed = Power requested / Index of effi ciency
The real power calculation can be obtained more correctly in a
“dynamic” form, that is, considering the load performance curve
at different external temperatures, the location and the refer-
ence number of operating hours.
These fi gures will allow plant consultants and designers to
make their evaluations depending on the type of building, the
place of installation and the type of heat load. etc.. They can
also determine the energy index using the method that best re-
fl ects plant requirements and can make comparisons between
similar or equivalent systems using the same reference unit.
NECS-WH ESEER
0152 5,81
0182 5,98
0202 6,01
0252 5,69
0262 5,59
0302 5,66
0352 5,80
0412 5,71
0452 5,79
0512 5,78
0552 5,93
0612 5,80
NECS-WN ESEER
0152 5,67
0182 5,86
0202 5,88
0252 5,59
0262 5,52
0302 5,54
0352 5,72
0412 5,61
0452 5,69
0512 5,66
0552 5,80
0612 5,70
IPLV (Integrated Part Load Value) ARI Standard indices
ESEER (European Seasonal Energy Effi ciency Ratio) Indices for EECCAC proposal
VI NECS-WN_0152_0612
NECS-WN
HFC R410A
All the two-compressor units are equipped, as a standard, with
the “W3000 Base” keyboard with LED display.
On the four-compressor units the user friendly “W3000.
Compact” keyboard with LCD is installed as a standard; also
available, on demand, for the two compressors units.
The “W3000 Compact” onboard keyboard can be connected to
a remote keyboard with LCD display.
Main functions: QuickMind, local and remote FWS supervi-
- Evaporator water fl ow switch (supplied separately)
- 3 way modulating valve for condensing control (supplied
loose)
- 2 way modulating valve for condensing control (supplied
loose)
- Pump with on board inverter for condensing control
- Upward water connections (only available with the hydronic
kit)
- Victaulic fl exible coupling kit for both condenser and evapora-
tor
- Remote control phase sequence
- HP and LP gauges
- W3000 Compact Keyboard
- Remote keyboard (only with keyboard W3000 Compact)
- Water pumps kit (see attachment)
- Evaporator steel fi lter kit (supplied separately)
2. UNIT DESCRIPTION
NECS-WN 0152-06122
NECS-WN / B3.1 GENERAL TECHNICAL DATA
NECS-WN / B 0152 0182 0202 0252 0262 0302 0352 0412 0452 0512Power supply V/ph/Hz 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50 400/3/50PERFORMANCECOOLING ONLY (GROSS VALUE)Cooling capacity (1) kW 43,4 50,1 58,9 66,4 72,6 86,7 101 115 129 144Total power input (1) kW 10,2 11,5 13,3 15,5 17,0 19,9 23,1 26,4 29,5 32,8EER (1) 4,25 4,36 4,43 4,28 4,27 4,36 4,38 4,34 4,36 4,38ESEER (1) 5,67 5,86 5,88 5,59 5,52 5,54 5,72 5,61 5,69 5,66COOLING ONLY (EN14511 VALUE)Cooling capacity (1)(2) kW 43,2 49,9 58,6 66,0 72,2 86,4 101 114 128 143EER (1)(2) 4,02 4,12 4,19 4,03 4,00 4,17 4,20 4,17 4,17 4,21ESEER (1)(2) 5,05 5,21 5,23 4,93 4,81 5,08 5,17 5,16 5,16 5,22Cooling energy class D D D D D D D D D DHEATING ONLY (GROSS VALUE)Heating capacity (3) kW 47,8 55,2 64,4 73,1 80,7 95,7 111 125 140 157Total power input (3) kW 12,8 14,2 16,6 19,1 20,9 24,5 28,1 31,9 35,6 39,6COP (3) 3,73 3,89 3,88 3,83 3,86 3,91 3,94 3,92 3,94 3,96HEATING ONLY (EN14511 VALUE)Heating capacity (3)(2) kW 48,1 55,5 64,7 73,5 81,2 96,1 111 125 141 157COP (3)(2) 3,64 3,79 3,78 3,72 3,74 3,83 3,86 3,84 3,86 3,88Cooling energy class D D D D D D C D C CEXCHANGERSHEAT EXCHANGER USER SIDE IN REFRIGERATIONWater flow (1) m³/h 7,46 8,62 10,1 11,4 12,5 14,9 17,4 19,7 22,1 24,7Pressure drop (1) kPa 26,8 26,8 28,3 35,9 42,9 24,0 24,6 24,6 30,9 26,2Water flow (1) m³/h 9,17 10,6 12,4 14,0 15,3 18,2 21,3 24,2 27,1 30,2Pressure drop (1) kPa 40,4 40,1 42,1 54,1 64,6 36,0 36,7 36,8 46,2 39,2HEAT EXCHANGER USER SIDE IN HEATINGWater flow (3) m³/h 8,31 9,59 11,2 12,7 14,0 16,6 19,2 21,7 24,4 27,3Pressure drop (3) kPa 33,2 33,1 34,5 44,3 54,1 29,9 30,0 29,7 37,5 31,9Water flow (3) m³/h 6,16 7,19 8,39 9,48 10,5 12,5 14,5 16,3 18,4 20,6Pressure drop (3) kPa 18,3 18,6 19,4 24,7 30,4 16,9 17,0 16,8 21,3 18,2COMPRESSORSN. of compressors N° 2 2 2 2 2 2 2 2 2 2Number of capacity N° 2 2 2 2 2 2 2 2 2 2No. of circuits N° 1 1 1 1 1 1 1 1 1 1Regulation STEPS STEPS STEPS STEPS STEPS STEPS STEPS STEPS STEPS STEPSMin. capacity step % 50 50 50 50 50 50 50 50 50 50Refrigerant R410A R410A R410A R410A R410A R410A R410A R410A R410A R410ARefrigerant charge kg 4,50 5,50 6,00 6,50 6,80 9,00 10,0 12,2 12,5 13,0Oil charge kg 5,00 7,00 7,00 7,00 7,00 8,00 9,00 9,00 12,0 14,0NOISE LEVELNoise Pressure (4) dB(A) 42 43 43 43 44 45 46 46 47 47Noise Power (5) dB(A) 73 74 74 74 75 76 77 77 78 78SIZE AND WEIGHTA (6) mm 1055 1055 1055 1055 1055 1222 1222 1222 1222 1222B (6) mm 649 649 649 649 649 873 873 873 873 873H (6) mm 1255 1255 1255 1255 1255 1496 1496 1496 1496 1496Operating weight (6) kg 300 315 325 335 340 595 630 675 705 755
Notes:1 Plant (side) cooling exchanger water (in/out) 12°C/7°C; Source (side) heat exchanger water (in/out) 30°C/35°C2 Values in compliance with EN14511-3:20113 Plant (side) heating exchanger water (in/out) 40°C/45°C; Source (side) heat exchanger water (in/out) 10°C/* °C (flow rate as in cooling)4 Average sound pressure level, at 10m distance, unit in a free field on a reflective surface; non-binding value obtained from the sound power level.5 Sound power on the basis of measurements made in compliance with ISO 9614 and Eurovent 8/1 for Eurovent certified units; in compliance with ISO 3744 for non-certified units.6 Unit in standard configuration/execution, without optional accessories.- Unavailable
NECS-WN 0152-06123
NECS-WN / BGENERAL TECHNICAL DATA
NECS-WN / B 0552 0612Power supply V/ph/Hz 400/3/50 400/3/50PERFORMANCECOOLING ONLY (GROSS VALUE)Cooling capacity (1) kW 165 186Total power input (1) kW 37,6 42,5EER (1) 4,39 4,38ESEER (1) 5,80 5,70COOLING ONLY (EN14511 VALUE)Cooling capacity (1)(2) kW 164 186EER (1)(2) 4,22 4,22ESEER (1)(2) 5,33 5,27Cooling energy class D DHEATING ONLY (GROSS VALUE)Heating capacity (3) kW 180 203Total power input (3) kW 45,4 51,2COP (3) 3,97 3,97HEATING ONLY (EN14511 VALUE)Heating capacity (3)(2) kW 181 204COP (3)(2) 3,89 3,90Cooling energy class C CEXCHANGERSHEAT EXCHANGER USER SIDE IN REFRIGERATIONWater flow (1) m³/h 28,4 32,1Pressure drop (1) kPa 26,6 28,8Water flow (1) m³/h 34,7 39,2Pressure drop (1) kPa 39,7 43,0HEAT EXCHANGER USER SIDE IN HEATINGWater flow (3) m³/h 31,3 35,3Pressure drop (3) kPa 32,3 35,0Water flow (3) m³/h 23,6 26,7Pressure drop (3) kPa 18,4 20,0COMPRESSORSN. of compressors N° 2 2Number of capacity N° 2 2No. of circuits N° 1 1Regulation STEPS STEPSMin. capacity step % 50 50Refrigerant R410A R410ARefrigerant charge kg 15,0 17,0Oil charge kg 13,0 13,0NOISE LEVELNoise Pressure (4) dB(A) 48 48Noise Power (5) dB(A) 79 79SIZE AND WEIGHTA (6) mm 1222 1222B (6) mm 873 873H (6) mm 1496 1496Operating weight (6) kg 805 850
Notes:1 Plant (side) cooling exchanger water (in/out) 12°C/7°C; Source (side) heat exchanger water (in/out) 30°C/35°C2 Values in compliance with EN14511-3:20113 Plant (side) heating exchanger water (in/out) 40°C/45°C; Source (side) heat exchanger water (in/out) 10°C/* °C (flow rate as in cooling)4 Average sound pressure level, at 10m distance, unit in a free field on a reflective surface; non-binding value obtained from the sound power level.5 Sound power on the basis of measurements made in compliance with ISO 9614 and Eurovent 8/1 for Eurovent certified units; in compliance with ISO 3744 for non-certified units.6 Unit in standard configuration/execution, without optional accessories.- Unavailable
Performances are based on clean condition of tubes (fouling factor = 1).
For different fouling values, performance should be adjusted using the
correction factors shown in the following table.
f1 - f2 - f3: capacity correction factors
fk1 - fk2 - fk3: compressor power input correction factors
fx1 - fx2 - fx3: total power input correction factors
Limits to exchanger water temperature are valid within the minimum -
maximum water fl ow range indicated in the Hydraulic Data section.
4. OPERATING RANGE
12 NECS-WN_0152_0612
NECS-WN
HFC R410A
SIZEEvaporator Condenser Desuperheater
K Q min m3/h
Q max m3/h
W.c. min m3 K Q min
m3/hQ max m3/h K Q min
m3/hQ max m3/h
0152 481 4.6 12.6 0.5 481 2.8 11.6 -- - -
0182 360 5.3 14.4 0.6 360 3.2 13.4 - - -
0202 275 6.2 16.9 0.7 275 3.8 15.6 - - -
0252 275 7.0 19.1 0.7 275 4.3 17.6 - - -
0262 275 7.7 20.9 0.8 275 4.7 19.2 - - -
0302 108 9.2 24.9 1.0 108 5.6 22.9 - - -
0352 81.0 10.8 29.1 1.1 81.0 6.6 26.7 - - -
0412 63.0 12.2 32.9 1.3 63.0 7.5 30.4 - - -
0452 63.0 13.7 36.9 1.4 63.0 8.4 34.0 - - -
0512 43.0 15.3 41.3 1.6 43.0 9.3 37.9 - - -
0552 33.0 17.7 47.4 1.9 33.0 10.7 43.5 - - -
0612 28.0 20.0 53.6 2.1 28.0 12.2 49.1 - - -
Water flow in the heat exchangers is given by:Q=Px0,86/DtQ: water flow (m3/h)Dt: difference between inlet and outlet water temp. (°C)P: heat exchanger capacity (kW)
Pressure drop is given by:Dp= K x Q2/1000Q: water flow (m3/h)Dp: pressure drop (kPa)K: unit size ratio
Q min: minimum water flow admitted to the heat exchanger.Q max: maximum water flow admitted to the heat exchanger.W.c min: minimum water content admitted in the plant.
5.1 Water flow and pressure drop
5. HYDRAULIC DATA
13 NECS-WN_0152_0612
NECS-WN
HFC R410A
The new NECS-W units can be equipped with evaporator and/or
condenser hydronic kits. The kit incorporates the main hydraulic
components thus optimizing hydraulic and electrical installation
space, time and costs.
Moreover NECS-W can be provided with INVERTER pumps on
the condenser side. This device enables the condensing pres-
sure control, through the variable speed pump, reducing pump
energy consumption.
Available confi gurations
Evaporator and/or condenser hydronic kit can be provided with
following confi gurations:
Hydronic group 1 pump low head
Hydronic group 2 pumps low head
Hydronic group 1 pump high head
Hydronic group 2 pumps high head
Units can be equipped with up to 4 pumps, two on the evapora-
tor and two on the condenser side.
2-pole pump
Low head pump with 100 kPa external static pressure.
High head pump with 200 kPa external static pressure.
Horizontal one-piece centrifuge pump with one impeller, axial
suction and radial delivery, AISI 304L stainless steel pump body
impeller. The section of shaft in contact with the liquid is made
from stainless steel. Mechanical seal made from components
in ceramics/carbon/NBR/AISI304. Three-phase electric motor
protected to IP55, insulation class F, suitable for continuous
service.
Second pump
A second stand-by pump for high or low pressures is available
on request. The pumps are automatically exchanged on the
basis of a rotation programme and the stand-by pump cuts in
automatically if the primary pump fails. The two-pump hydron-
ic assembly is also fi tted with check valves to ensure the unit
works correctly.
Water-side mechanical fi lter (optional)
Y-fi lter designed and built to capture the impurities in the hy-
draulic circuit. It is fi tted with a 0.9 mm stainless steel mesh car-
tridge which can be replaced without removing the valve body
from the piping.
Sideward/Upward external water connections
2 compressors NECS-W units with hydronic kit installed on
board are available with both side and up external water con-
nections. Standard units with external side water connections,
up-wards type is made to order.
Up-wards water connections type is suitable for technical
rooms with room-top water piping; reduced installation spaces
and saving costs will be obtained.
6. HYDRONIC GROUP
14 NECS-WN_0152_0612
NECS-WN
HFC R410A
Confi guration of hydronic unit with 1 pump per circuit
The hydronic group comprises:
- P Horizontal one-piece centrifuge pump
- MA Hydraulic circuit pressure gauge
- SC Discharge valve
- S1 Exchanger input water temperature probe
- S2 Exchanger outlet water temperature probe
- SF Air vent
- VA 3 bar safety valve
- VE 8-litre expansion tanks, pre-pressurised to 1,5 bar
Confi guration of hydronic unit with 2 pumps per circuit
The hydronic group comprises:
- P Horizontal one-piece centrifuge pump
- MA Hydraulic circuit pressure gauge
- SC Discharge valve
- S1 Exchanger input water temperature probe
- S2 Exchanger outlet water temperature probe
- SF Air vent
- VA 3 bar safety valve
- VE 8-litre expansion tanks, pre-pressurised to 1,5 bar
- VR Check valve (only if P2 is fi tted)
The electrical panel of the unit is protected with Automatic
circuit breakers.
The supply does not include the following accessories though
these are recommended to ensure correct system operation:
- Pressure gauges upline and downline from the unit.
F.L.I. Full load power input at max admissible conditionF.L.A. Full load current at max admissible conditionL.R.A. Locked rotor amperes for single compressorS.A. Starting current
(1) Safety values to be considered when cabling the unit for power supply and line-protections
Power supply: 400/3/50Voltage tolerance: 10%Maximum voltage unbalance: 3%
7. ELECTRICAL DATA
19 NECS-WN_0152_0612
NECS-WN
HFC R410A
BNECS-WN8. FULL LOAD SOUND LEVEL
SIZE Octave band [Hz]
2000100050025012563 80004000
Total sound
level
Sound power level dB(A)
SOUND POWER
74 72 69 70 70 63 59 53 730152
75 73 70 71 71 64 60 54 740182
75 73 70 71 71 64 60 54 740202
75 73 70 71 71 64 60 54 740252
76 74 71 72 72 65 61 55 750262
76 74 75 74 70 68 64 53 760302
77 75 76 75 71 69 65 54 770352
77 75 76 75 71 69 65 54 770412
78 76 77 76 72 70 66 55 780452
78 76 77 76 72 70 66 55 780512
79 77 78 77 73 71 67 56 790552
79 77 78 77 73 71 67 56 790612
Plant (side) cooling exchanger water (in/out) 12/7 °C
Source (side) heat exchanger water (in/out) 30/35 °C
Sound power on the basis of measurements made in compliance with ISO 9614 and Eurovent 8/1 for Eurovent certified units;
in compliance with ISO 3744 for non-certified units
Such certification refers specifically to the sound Power Level in dB(A). This is therefore the only acoustic data to be considered as binding.
Working conditions
SIZE Octave band [Hz] at 10 m
2000100050025012563 80004000
Total sound
level
Sound pressure level dB(A)
SOUND PRESSURE LEVEL
43 41 38 39 39 32 28 22 420152
44 42 39 40 40 33 29 23 430182
44 42 39 40 40 33 29 23 430202
44 42 39 40 40 33 29 23 430252
45 43 40 41 41 34 30 24 440262
45 43 44 43 39 37 33 22 450302
46 44 45 44 40 38 34 23 460352
46 44 45 44 40 38 34 23 460412
47 45 46 45 41 39 35 24 470452
47 45 46 45 41 39 35 24 470512
48 46 47 46 42 40 36 25 480552
48 46 47 46 42 40 36 25 480612
Plant (side) cooling exchanger water (in/out) 12/7 °C
Source (side) heat exchanger water (in/out) 30/35 °C
Average sound pressure level, at 10 (m.) distance, unit in a free field on a reflective surface; non-binding value obtained
For installation purposes, please refer to the documentation sent after the purchase-contract.This technical data should be considered as indicative. CLIMAVENETA may modify them at any moment.
A
H
B
1 EVAPORATOR WATER INLET
2 EVAPORATOR WATER OUTLET
3 CONDENSER WATER INLET
4 CONDENSER WATER OUTLET
5 POWER INLET
6 MAIN ISOLATOR HANDLE
9. DIMENSIONAL DRAWINGS
NECS-WN
A2 NECS-WN_0152_0612 HFC R410A
Size
DIMENSIONS AND WEIGHTS
NECS
A [mm]
B [mm]
H [mm]
P [kg]
0512 1055 649 1255 290
0182 1055 649 1255 305
0202 1055 649 1255 315
0252 1055 649 1255 325
0262 1055 649 1255 330
0302 1222 873 1496 385
0352 1222 873 1496 620
0412 1222 873 1496 660
0452 1222 873 1496 685
0512 1222 873 1496 740
0552 1222 873 1496 790
0612 1222 873 1496 830
Water connectionsEvaporator Condenser
VictaulicRif. 1- 2 Rif. 3 - 41 1/2” 1 1/2”
1 1/2” 1 1/2”
1 1/2” 1 1/2”
1 1/2” 1 1/2”
1 1/2” 1 1/2”
2 1/2” 2 1/2”
2 1/2” 2 1/2”
2 1/2” 2 1/2”
2 1/2” 2 1/2”
2 1/2” 2 1/2”
2 1/2” 2 1/2”
2 1/2” 2 1/2”
NECS-WN
A3 NECS-WN_0152_0612 HFC R410A
INSTRUCTIONS:
- Make sure that all the panels are firmly fixed in place before moving the unit.- Before lifting it, check the weight on the CE label.- Use all, and only, the lifting points provided,- Use slings of equal length,- Use a spread-bar (not included)- Move the unit carefully and avoid abrupt movements.
REMARKS:For installation purposes, please refer to the documentation sent after the purchase-contract.This technical data should be considered as indicative. CLIMAVENETA may modify them at any moment.
ATTN: UTILIZZARE N° 4 FUNI DI SOLLEVAMENTO DI PARI LUNGHEZZA
SOLLEVAMENTO
A
B
006006
800
LIFTING
WARNING: USE 4 LIFTING SLINGS OF EQUAL LENGTH
10. CLEARANCE - LIFTING - SYMBOLS
UNI ISO 228/1
Pipe threads where pressure-tight joints are not made on the
threads - Designation, dimensions and tolerances
Used terminology:
G: Pipe threads where pressure-tight joints are not made on the
threads
A: Close tolerance class for external pipe threads where pres-
sure-tight joints are not made on the threads
B: Wider tolerance class for external pipe threads where pres-
sure-tight joints are not made on the threads
Internal threads: G letter followed by thread mark (only toler-
ance class)
External threads: G letter followed by thread mark and by A let-
ter for A class external threads or by B letter
for B class external threads.
UNI ISO 7/1
Pipe threads where pressure-tight joints are made on the
threads - Designation, dimensions and tolerances
Used terminology:
Rp: Internal cylindrical threads where pressure-tight joints are
made on the threads
Rc: Internal conical threads where pressure-tight joints are
made on the threads
R: External conical threads where pressure-tight joints are
made on the threads
Internal cylindrical threads: R letter followed by p letter
Internal conical threads: R letter followed by c letter
External conical threads: R letter
Designation Description
UNI ISO 7/1 - Rp 1 1/2
Internal cylindrical threads where pressure-tight joints are made on the threads, defi ned by stand-
ard UNI ISO 7/1
Conventional ø 1 1/2”
UNI ISO 7/1 - Rp 2 1/2
Internal cylindrical threads where pressure-tight joints are made on the threads, defi ned by stand-
ard UNI ISO 7/1
Conventional ø 2 1/2”
UNI ISO 7/1 - Rp 3
Internal cylindrical threads where pressure-tight joints are made on the threads, defi ned by stand-
ard UNI ISO 7/1
Conventional ø 3”
UNI ISO 7/1 - R 3
External conical threads where pressure-tight joints are made on the threads, defi ned by standard
UNI ISO 7/1
Conventional ø 3”
UNI ISO 228/1 - G 4 B
Internal cylindrical threads where pressure-tight joints are not made on the threads, defi ned by
standard UNI ISO 228/1
Tolerance class B for external thread
Conventional ø 4”
DN 80 PN 16Flange Nominal Diameter: 80 mm th.
Nominal Pressure: 16 bar
Notes:
Conventional diameter value [in inches] identifi es short thread
Climaveneta Home System Via Duca d’Aosta 12131030 Mignagola (TV)ItalyTel +39 0422 4131Fax +39 0422 [email protected]
Climaveneta France3, Village d’EntreprisesZA de la Couronne des PrésAvenue de la Mauldre78680 EpôneFranceTel +33 (0)1 30 95 19 19Fax +33 (0)1 30 95 18 [email protected]