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22.11 – 6755532_06

25

13    CORRECTION  FACTORS

 CORRECTIVE FACTORS FOR AVERAGE WATER TEMPERATURES DIFFERENT FROM NOMINAL VALUES

The pressure drops are calculated with an average water temperature of 50.0 °F (Cooling mode), 109.4 °F (Heating or recovery mode)

System side heat exchanger

Cooling mode

Heating mode or recovery

Average water temperatures

°F

41.0

50.0

59.0

68.0

86.0

104.0

122.0

73.4

82.4

91.4

100.4

109.4

118.4

127.4

134.4

Correction factor

1.02

1.00

0.98

0.97

0.95

0.93

0.91

1.04

1.03

1.02

1.01

1.00

0.99

0.98

0.97

 FOULING: DEPOSIT CORRECTIVE FACTORS [K*M²]/[W]

0,0

0,00005

0,0001

0,0002

Corrective factor of cooling capacity

1,0

1

0.98

0.94

Corrective factor of imput power

1,0

1

0.98

0.95

14    GLYCOL

 ETHYLENE  GLYCOL

 Cooling  mode

CORRECTION FACTOR WITH ETHYLENE GLYCOL - COOLING MODE

Freezing Point

°F

0

25.47

21.02

15.93

10.20

3.67

–3.89

-12.62

-22.79

-34.78

Percent ethylene glycol

%

0

10

15

20

25

30

35

40

45

50

Qwc

1.000

1.033

1.040

1.049

1.060

1.072

1.086

1.102

1.120

1.141

Pc

1.000

0.990

0.985

0.980

0.975

0.970

0.965

0.960

0.955

0.950

Pa

1.000

0.996

0.994

0.992

0.990

0.988

0.986

0.984

0.982

0.980

Δp

1.000

1.109

1.157

1.209

1.268

1.336

1.414

1.505

1.609

1.728

 Heating mode range

CORRECTION FACTOR WITH ETHYLENE GLYCOL - HEATING MODE

Freezing Point

°F

0

25.47

21.02

15.93

10.20

3.67

-3.89

-12.62

-22.79

-34.78

Percent ethylene glycol

%

0

10

15

20

25

30

35

40

45

50

Qwh

1.000

1.027

1.038

1.050

1.063

1.078

1.095

1.114

1.135

1.158

Ph

1.000

1.000

1.000

1.000

1.000

1.000

1.000

1.000

1.000

1.000

Pa

1.000

1.002

1.003

1.004

1.005

1.007

1.008

1.010

1.012

1.015

Δp

1.000

1.087

1.128

1.175

1.227

1.286

1.353

1.428

1.514

1.610

 PROPYLENE  GLYCOL

 Cooling  mode

CORRECTION FACTOR WITH PROPILENE GLYCOL - COOLING MODE

Freezing Point

°F

0

25.83

22.46

18.61

14.04

8.46

1.65

-6.65

-16.67

-28.70

Percent propilene glycol

%

0

10

15

20

25

30

35

40

45

50

Qwc

1.000

1.007

1.006

1.007

1.010

1.015

1.022

1.032

1.044

1.058

Pc

1.000

0.985

0.978

0.970

0.963

0.955

0.947

0.939

0.932

0.924

Pa

1.000

0.996

0.994

0.992

0.990

0.988

0.986

0.984

0.982

0.980

Δp

1.000

1.082

1.102

1.143

1.201

1.271

1.351

1.435

1.520

1.602

 Heating mode range

CORRECTION FACTOR WITH PROPILENE GLYCOL - HEATING MODE

Freezing Point

°F

0

25.83

22.46

18.61

14.04

8.46

1.65

-6.65

-16.67

-28.70

Percent propilene glycol

%

0

10

15

20

25

30

35

40

45

50

Qwh

1.000

1.008

1.014

1.021

1.030

1.042

1.055

1.071

1.090

1.112

Ph

1.000

1.000

1.000

1.000

1.000

1.000

1.000

1.000

1.000

1.000

Pa

1.000

1.003

1.004

1.005

1.007

1.009

1.011

1.014

1.018

1.023

Δp

1.000

1.050

1.077

1.111

1.153

1.202

1.258

1.321

1.390

1.467

 

Attention: Avoid adding the glycol in the hydraulic circuit near the pump intake. A high concentration of glycol and additives above the permissible limits can block the pump: do 
not use the pump as a mixer.

Qwc 

 Corrective factor of flow rates (middle water temperatur 49.1 °F)

Qwh 

Corrective factor of flow rates (middle water temperatur 108.5 °F)

Pc 

Corrective factor of cooling Capacity

Ph 

Corrective factor of heating Capacity

Pa 

Correction factor input Power

ΔP 

Correction factor Pressure drop

Summary of Contents for ANK 030

Page 1: ...a t i o n o f O r i g i n a l i n s t r u c t i o n s w w w a e r m e c c o m Installation Manual EN ANK 030 050 REVERSIBLE AIR WATER HEAT PUMP C o o l i n g c a p a c i t y 3 4 t o n H e a t i n g c a p a c i t y 3 7 6 7 0 5 7 5 9 7 B T U h ...

Page 2: ......

Page 3: ...to present the product and help you select the unit that best meets the needs of your system WARNING personnelwhopossessthenecessaryskillsaccordingtostate national and local regulations in force must choose and size the machine Aermec Aermec always attentive to the continuous changes in the market and its regulations reserves the right to make all the changes deemed necessary for improving the pro...

Page 4: ...hough every effort has been made to ensure accuracy Aermec shall not be held liable for any errors or omissions This mark indicates that the disposal of this product must strictly follow the national and local laws in force COMPANYCERTIFICATIONS SAFETYCERTIFICATIONS ...

Page 5: ...de range p 21 12 Pressure drops p 22 Pumps static pressure p 22 13 System water content p 23 Minimum system water content p 23 Maximum system water content p 23 14 Expansion vessel setting p 24 15 Correction factors p 25 Corrective factors for Average water temperatures different from nominal values p 25 Fouling deposit corrective factors K m W p 25 16 Glycol p 25 Ethylene glycol p 25 Propylene gl...

Page 6: ... Routine and extraordinary maintenance p 38 Decommissioning and disposing of the machine components p 38 26 List of the recommended periodic interventions p 39 General interventions p 39 Interventions on the circuit p 39 ...

Page 7: ...R PRODUCTION The technical water thanks to an intermediate exchanger not supplied can guar antee the production of domestic hot water the use of a storage tank not supplied is recommended See a system example chapter System example heating cooling domestic hot water p 13 VERSIONS Standard A With storage tank and pump P With pump VERSION WITH INTEGRATED HYDRONIC KIT If a plug play solution is requi...

Page 8: ...g structure for outdoor installation in hot dipped galvanized sheet steel with RAL 9003 polyester powder coating Designed to ensure the maximum access for service and maintenance Axial fans External rotor axial fan with helicoidal blades Housed in a casing complete with protective grilles 6 pole electric motor with thermal protection CONTROL AND SAFETY COMPONENTS High pressure switch With fixed ca...

Page 9: ... pump unit Error from setpoint temperature sum of the proportional and integral error Delay time to start stop the compressor Control of alarms Low pressure High pressure pre alarm pressostat directly removes power to the compressor High discharge temperature Anti freeze Flow switch Alarm based on ΔT Alarms with automatic reset and limited number of resets before definitive lock out ON OFF control...

Page 10: ... Mn 0 05 ppm Iron Fe 0 3 ppm Alkalinity HCO 70 300 ppm Chloride ions Cl 50 ppm Sulphate ions SO 50 ppm Sulphide ion S None Ammonium ions NH None Silica SiO 30 ppm NOTICE under no circumstances does the unit have to be operated with water circulating on the heat exchanger whose characteristics are different from those indicated in the tableWATER CHARACTERISTICS under penalty of the warranty expirat...

Page 11: ...pm Iron Fe 0 3 ppm Alkalinity HCO 70 300 ppm Chloride ions Cl 50 ppm Sulphate ions SO 50 ppm Sulphide ion S None Ammonium ions NH None Silica SiO 30 ppm NOTICE under no circumstances does the unit have to be operated with water circulating on the heat exchanger whose characteristics are different from those indicated in the tableWATER CHARACTERISTICS under penalty of the warranty expiration Aermec...

Page 12: ... Iron Fe 0 3 ppm Alkalinity HCO 70 300 ppm Chloride ions Cl 50 ppm Sulphate ions SO 50 ppm Sulphide ion S None Ammonium ions NH None Silica SiO 30 ppm NOTICE under no circumstances does the unit have to be operated with water circulating on the heat exchanger whose characteristics are different from those indicated in the tableWATER CHARACTERISTICS under penalty of the warranty expiration Aermec c...

Page 13: ...NG DOMESTIC HOT WATER Accessory MOD485K ANKI with integrated pump X version DHW storage tank Cold hot inertial storage tank Radiant panel for heating Chronothermostat Radiant panel for heating DHW DCW Water mains Aermec FCZ series fancoil Thermostat ...

Page 14: ...ch 4 One way valve 5 High pressure transducer 6 Compressor 7 Low pressure transducer 8 Electronic expansion valve temperature probe 9 Pressure relief valve 10 Liquid separator 11 Plate heat exchanger 12 Filter drier 13 Liquid accumulator 14 Electronic thermostatic expansion valve 1 3 2 4 5 6 7 8 10 9 11 9 12 13 14 4 4 ...

Page 15: ...makes it possible to carry out the unit s basic controls with the signalling of alarms Can be made remote with shielded cable up to 150 m DCPX Device for condensation temperature control with continuous speed mod ulation of fans by using a pressure transducer VT Antivibration supports FACTORY FITTED ACCESSORIES KRB Electric anti freeze resistance kit for base ACCESSORIES COMPATIBILITY Accessories ...

Page 16: ...poses a serious risk The combined effects of the salt loaded mist and in dustrial emissions accelerate corrosion Within the manufacturing plants corrosive gas may result from the processing of chemicals or by the typical industrial processes used in manufacturing Potential sources of risk to be considered are open sewage systems exhaust vents diesel engine exhaust emissions from heavy traffic land...

Page 17: ...erformance104 F 113 F 2 Heatingcapacity A P BTU h 37 670 51 967 57 597 Inputpower kW 3 1 4 0 4 3 A P kW 3 3 4 2 4 6 Heatingtotalinputcurrent A 14 2 16 9 18 3 A P A 15 1 17 8 19 2 COP kW kW 3 62 3 81 3 89 A P kW kW 3 37 3 59 3 69 Waterflowratesystemside A P gpm 7 6 10 5 11 6 Pressuredropsystemside A P ftH2O 4 0 5 0 6 7 Usefulheadsystemside A P ftH2O 21 7 19 1 17 1 1 Data System side water heat exch...

Page 18: ...oolingmode 2 Soundpowerlevel A P dB A 70 5 70 5 70 5 Soundpressurelevel 10m 33ft A P dB A 39 5 39 5 39 5 Soundpressurelevel 1m 3 3ft A P dB A 55 4 55 4 55 4 Sounddatacalculatedinheatingmode 2 Soundpowerlevel A P dB A Soundpressurelevel 10m 33ft A P dB A Soundpressurelevel 1m 3 3ft A P dB A 1 The load indicated in the table is an estimated and preliminary value The final value of the refrigerant lo...

Page 19: ...7 17 7 17 7 Weights Emptyweight lbs 328 364 379 A lbs 465 511 525 P lbs 340 386 401 8 MINIMUM TECHNICAL SPACES ANK H ANK HP ANK HA B C A B1 B2 C1 C2 A B1 B C B2 C1 C2 A B1 B C B2 C1 C2 Size 030 045 050 Minimumtechnicalspaces Typeofboard A P 1 1 1 B1 in 7 9 7 9 7 9 A P in 11 8 11 8 11 8 B2 A P in 19 7 19 7 19 7 C1 A P in Freefield Freefield Freefield C2 in 5 9 5 9 5 9 A P in 7 9 7 9 7 9 ...

Page 20: ...necessary to avoid malfunctions It should be installed if wind speed is above 4 9 knot Under no circumstances does the unit have to be operated outside the operating limit under penalty of the warranty expiration Aermec S p A cannot be held responsible for any malfunction of the units which are operated outside the established limits and for their consequences COOLING MODE Key A External air tempe...

Page 21: ...emperature F 1 Standard mode 2 DCPX Functioning 20 0 4 20 32 86 107 6 40 60 80 120 100 F 60 80 77 100 120 140 160 F A B 1 2 C D E F G Size 030 045 050 Waterproduced C A P F 122 0 122 0 107 6 D A P F 140 0 140 0 131 0 E A P F 140 0 140 0 131 0 F A P F 140 0 140 0 86 0 G A P F 132 8 132 8 32 0 ...

Page 22: ...ure drops psi B Water flow rate gpm 1 030 2 045 050 ft H2O 0 2 4 7 9 11 13 15 18 20 22 gpm 0 9 17 26 34 A B 1 2 PUMPS STATIC PRESSURE The table shows the characteristic curves of the pumps and therefore they do not represent the useful static pressures of the system The useful heads of the system must be calculated by subtracting the unit s pressure drops Δp from the useful head of the pump shown ...

Page 23: ...n a system in which the content of the water circulating is below the MINIMUM SYSTEM WATER CONTENT and for their consequences ATTENTION It is recommended to design systems with high water content minimum recommended values shown in tab in order to limit Number of peaks made by the compressors The reduction of water temperature during defrosting cycles in the winter period for heat pumps NOTICE in ...

Page 24: ...tion see figure according to the formula p rating bar H ft 33 5 1 0 For example if level difference H is equal to 65 6 ft the calibration value of the vessel will be 33 4 psi If the calibration value obtained from the formula is less than 21 8 psi i e for H 40 2 use the standard calibration Key 1 Check that highest installation is not higher than 180 4 ft 2 Ensure that lowest utility can withstand...

Page 25: ... 1 158 Ph 1 000 1 000 1 000 1 000 1 000 1 000 1 000 1 000 1 000 1 000 Pa 1 000 1 002 1 003 1 004 1 005 1 007 1 008 1 010 1 012 1 015 Δp 1 000 1 087 1 128 1 175 1 227 1 286 1 353 1 428 1 514 1 610 PROPYLENE GLYCOL Cooling mode CORRECTIONFACTORWITHPROPILENEGLYCOL COOLINGMODE Freezing Point F 0 25 83 22 46 18 61 14 04 8 46 1 65 6 65 16 67 28 70 Percent propilene glycol 0 10 15 20 25 30 35 40 45 50 Qw...

Page 26: ... 2 64 2 64 2 1000Hz dB A 63 6 63 6 63 6 2000Hz dB A 61 0 61 0 61 0 4000Hz dB A 52 7 52 7 52 7 8000Hz dB A 41 4 41 4 41 4 1 Sound power calculated on the basis of measurements made in accordance with UNI EN ISO 9614 2 Sound pressure cold functioning measured in free field 10 m 33 ft away from the unit external surface in compliance with UNI EN ISO 3744 System water temperature 54 0 44 1 F in out Ex...

Page 27: ...mec shall not be held liable for the failure to observe the safety and accident prevention regulations in force Personal protective equipment PPE 1 Operations Handling Installation and or maintenance Welding or brazing Safety gloves helmet goggles safety footwear protective garments Earmuffs 1 It is recommended to follow the instructions in EN 378 3 Observe the laws in force in the country of unit...

Page 28: ...res on elec trical equipment and for lubricant oil of the compressor and the refrigerant The unit contains pressurised refrigerant gas no operation may be performed on pressurised equipment except during maintenance which must be per formed by skilled and qualified personnel Perform brazing or welding only on empty pipes and clear of any lubricating oil residues do not near flames or other heat so...

Page 29: ... all the applicable safety procedures The handling operations must be carried out carefully to prevent damage The unit may only be handled in a horizontal position and only from its base It is prohibited to dispose of the packaging material in the environ ment or leave it within reach of children as it may be a potential source of danger Therefore it must be disposed of according to what is define...

Page 30: ...igned to be installed outdoors on roofs or on the ground in places where there are no obstacles that could reduce the air flow towards the finned heat exchanger coils The location of the unit must be defined by the system designer or a person who is an expert in the material and must consider both the purely technical requirements as well as any local laws in force For unit installation it is impo...

Page 31: ...s manual or are available online at www aermec com It is important to follow the recommendations not complete below The water pipes must not transmit radial or axial forces or vibrations to the ex changers use flexible hoses to reduce the transmitted vibrations It is necessary to install manual or automatic vent valves in the highest points of the circuit and also provide discharge fittings in the...

Page 32: ...oncentrated to ensure proper protection and prevent ice forming at minimum temperature provided for a given installation Take the necessary precautions if using non passivated anti freeze solu tions monoethylene glycol or monopropylene glycol Corrosion phenom ena may occur with these anti freeze solutions in contact with oxygen However always refer to the glycol supplier documentation to check its...

Page 33: ... 6755532_06 33 19 POSITION OF HYDRAULIC CONNECTIONS ANK 030 045 050 H IN OUT Ø 1 Ø 1 235 mm 9 in 110 mm 4 in 53 6 mm 2 1 in ANK 030 045 050 HA IN OUT Ø 1 Ø 1 205 mm 8 in 389 mm 15 in 503 mm 20 in 110 mm 4 in ...

Page 34: ...14 3 A in 24 9 25 3 25 3 P in 14 1 13 9 13 9 Weightdistributionin onthesupports empty 1 35 4 34 9 34 9 A 12 0 10 7 10 7 P 35 7 35 6 35 6 2 28 1 28 9 28 9 A 11 7 10 8 10 8 P 28 4 29 2 29 2 3 20 4 19 8 19 8 A 22 6 23 8 23 8 P 20 0 19 3 19 3 4 16 2 16 4 16 4 A 22 0 24 0 24 0 P 15 9 15 9 15 9 5 P A 16 1 15 3 15 3 6 P A 15 6 15 4 15 4 POSITION OF THE VIBRATION DAMPERS View from below 841 841 mm 33 in 4...

Page 35: ...in the different countries The following is mandatory The use of an omnipolar magnet circuit breaker switch in compliance with the current Standards contact opening at least 3 mm with suitable cut off power and differential protection on the basis of the electric data table shown below installed as near as possible to the appliance To make an effective earth connection The manufacturer cannot be c...

Page 36: ...re complied with and that a mechanical filter has been installed in each inlet heat exchanger Mandatory component for warranty to be valid Check that the circulation pump s are working and that the wa ter flow rate is sufficient to close the flow switch contact if installed We recommend installing one always upstream of every heat exchanger Check the water flow rate measuring the pressure differen...

Page 37: ...ements are correctly in place before restarting the unit It is not permitted to walk on the machine or to place other items on it Fans motors and belt drives may be in motion always wait for them to stop and take appropriate precautions to prevent their activation before accessing them If the unit has components such as integrated inverters disconnect the power supply and wait at least 15 minutes ...

Page 38: ...ss its cooling circuit Connect the necessary instruments pressure gauges connected with suitable extensions to the pressure sockets on the compressor inputs and outputs ther mometers connected to thermocouple probes that are fastened to the pipes at the compressor inputs and outputs Do not use metratasts as they require the operator to approach the machine s cooling circuit Turn on the machine and...

Page 39: ...erformanceandcanpromotetheformationofrust INTERVENTIONS ON THE CIRCUIT DESCRIPTION FREQUENCY Note 3Mths 6Mths 12Mths INTERVENTIONSONTHECOOLINGCIRCUITOPERATINGWITHFULLLOAD Measurementoftheoverheatingtemperature Measurementoftheundercoolingtemperature Measurementoftheexhaustgastemperature Measurementoffaninput Measurementofcompressorinput COMPRESSORCONTROLS Oillevelcontrol Oilaciditycontrol Controlo...

Page 40: ... o n e 3 9 0 4 4 2 6 3 3 1 1 1 F a x 3 9 0 4 4 2 9 3 5 7 7 s a l e s a e r m e c c o m w w w a e r m e c c o m 2 2 1 1 6 7 5 5 5 3 2 _ 0 6 6755532_06 DOWNLOAD THE LATEST VERSION TÉLÉCHARGER LA DERNIÈRE VERSION http www aermec com qrcode asp q 17094 http www aermec com qrcode asp q 17095 ...

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