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Air-water chillers & heat pumps

Fan Coils

Water-water chillers & heat pumps

5

AERMEC in North America
6

NRL Multiscroll with R410A
Cooling: 13 - 260 Tons
Heating : 166 - 3,400 MBH

• Chiller or Heat Pump
• Free Cooling Chiller

•
•
•
•
•
7

100 % Heat Recovery
40 % Heat Recovery
Pump package
AHRI certified
ETL certified

NRL Multiscroll with R410A
State
Kentucky
Cost of NG,
9.4
$/1000 cu ft
Cost of NG,
0.0092
cent/BTU
Required
1,000,000
BTU/h
Hours of
15
operation/day
Days of
operation/
250
year
Annual
34,558.82
savings, $

17

Simultaneous cooling & DHW
9

Simultaneous heating or cooling & DHW
22

NRL Multiscroll with R410A
10

Simultaneous heating or cooling & DHW
11

Simultaneous heating and cooling & DHW
SPRING AND FALL

0 - 100%

0 - 100%

130 ton
103 kW
12

100 ton

Simultaneous heating and cooling & DHW
130 ton
103 kW
13

100 ton

Simultaneous heating and cooling & DHW
• One unit for the production of hot and cold water, instead of
the combination of chiller + boiler

•
•
•
•
•
14

– Note: The use of a heat recovery units of not polyvalent
type, can produce hot water ONLY if cold water is also
required, also the number of compressors in operation is
determined only by the cooling load. It’s different with NRP
Reduction of technical spaces
Simplification of the hydronic system and thermoregulation
Reduced maintenance
Energy savings
Cost reduction
Simultaneous heating and cooling & DHW
21

AERMEC Water to Water
•
•

Production of hot water to 131F

•

EER = 15.5

•

COP = 3.80 or 4 in counter flow

•

Water cooled heat pump units
Heat pumps with scroll
compressors

•

Cooling from 32 up to 103 ton

•

Heating from 36 up to 126 ton

•

22

R410A Refrigerant

Only 31.5 inches wide

AERMEC Water to Water
• compared to the version
without pumps length = +
3 feet
• 2 pumps condenser side
(1 in standby)
• 2 pumps evaporator side
(1 in standby)

• one expansion vessel
user side
• Available with low or high
pressure
• 0-10 V signal for
condensing water flow
24

AERMEC Water to Water
AERMEC 2013 Presentation
desuperheater
Total recovery

25

AERMEC Water to Water
This is a schematic diagram of the refrigerant circuit
for the NXW units with refrigerant side inversion.
This is a schematic diagram of the
refrigerant circuit for the NXW units
with water side inversion and a
desuperheater

CP
V SIC
RU
FD
VS
HGBE
IDL
VT

compressor
safety valve
shut off valve
filter
solenoid valve
hot gas bypass
sight glass
expansion valve
This is a schematic
diagram of the refrigerant
circuit for the NXW units
with water side inversion
and total heat recovery –
6 pipe system
AERMEC 2013 Presentation
Modular
Layout:
it is
possible to
install
many units
in parallel
connection

27

AERMEC Water to Water
3” Isolating valves

By using true parallel unit connection
the entire chiller plant does not need
to be stopped to isolate a unit in case
of a break. Isolating valves allow
to pull a unit out of the array while the
whole system continues to operate
10” Isolating valves

The same procedure is impossible
with connection in parallel used by
other manufacturers

27

AERMEC Water to Water
Cassette Fan Coils

Ducted Fan Coils

Cabinet style
Inverter Fan Coils

High Wall Fan Coils

29

AERMEC Fan Coils
(FCX US 17–102)

FCX US Fan Coils - Universal / Vertical Installations
• Available in 9 sizes, cooling from 3415 up to 26024 BTU/h

•
•
•
•
•

3 speed fan unit
Power Supply: 115V – 1 – 60Hz
Metal cabinet with durable polyurethane coating
Motors with permanently connected condensers
Low noise operation (world’s quietest)
At a 25.5 decibel rating, the AERMEC fan coils emit lower
noise than a whisper quiet library (30dB).

30

AERMEC Cabinet Fan Coils
(FCX USP 17–102)

FCX USP Fan Coils - Ductable Installations
•

•
•
•
•
•

Available in 9 sizes and 2 versions, cooling from 3,415 up to 60,024 BTU/h
FCX USP = low static, 3 speeds
FCX USPO = high static, 7 speeds
Power Supply: 115V/1/ 60Hz up to 2 tons, 220/1/60 up to 5 tons
Only 8 ½ inches deep
Low noise operation (world’s quietest)
At a 25.5 decibel rating, the AERMEC fan coils emit lower
noise than a whisper quiet library (30dB).

31

AERMEC Ducted Fan Coils
Comfort: much higher precision in a constant ambient temperature
Acoustic Comfort: The speed change is continuous
and not acoustically noticeable.
At a 22,5 dB(A) the AERMEC fan coils emit lower noise
than a dB level at a whisper only library (30 dB(A)).
32

AERMEC Inverter Fan Coils
33
(FCL 82–122)

FCL Fan Coils – Suspended ceiling Installations
Available in 3 sizes, FCL 82, 102, 122
•
•
•
•
•

Cooling 1.7 – 2.6 – 3.1 ton
4 speed fan unit
Power Supply: 220V – 1 – 60Hz
3-way valve and drain pump incorporated inside
Low noise operation (world’s quietest)
At a 26 decibel rating, the AERMEC fan coils emit lower
noise than a whisper quiet library (30dB).

34

AERMEC Cassette Fan Coils
FCW Fan Coils – high wall Installations
•
•
•
•
•
•

Available in 3 sizes, FCW 21, 31, 41
Cooling from 6500 up to 14000 BTU/h
3 speed fan unit
Power Supply: 220V – 1 – 60Hz
2-way/3-way valve incorporated inside
Low noise operation (world’s quietest)
At a 28.5 decibel rating, the AERMEC fan coils emit lower
noise than a whisper quiet library (30dB).

35

AERMEC High Wall Fan Coils
Heating

36

Cooling

AERMEC New valve
1-row coil
maximum

Fan speed

4-row coil
maximum

355

355

Air flow rate

CFM

Heating capacity

BTU/h

9,285

11,005

Dry bulb air inlet temperature

0F

68.00

68.00

Dry bulb air outlet temperature

0F

92.37

96.85

Inlet water temperature

0F

130.00

104.00

Outlet water temperature

0F

120.00

94.00

Water flow rate

gpm

1.75

2.19

Water pressure drops

psi

4.95

1.10

37

AERMEC New valve
Prepared by Russell Bazilev Aermec North America Email: rbazilev@aermec.us

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AERMEC 2013 Presentation

  • 1. Air-water chillers & heat pumps Fan Coils Water-water chillers & heat pumps 5 AERMEC in North America
  • 3. Cooling: 13 - 260 Tons Heating : 166 - 3,400 MBH • Chiller or Heat Pump • Free Cooling Chiller • • • • • 7 100 % Heat Recovery 40 % Heat Recovery Pump package AHRI certified ETL certified NRL Multiscroll with R410A
  • 4. State Kentucky Cost of NG, 9.4 $/1000 cu ft Cost of NG, 0.0092 cent/BTU Required 1,000,000 BTU/h Hours of 15 operation/day Days of operation/ 250 year Annual 34,558.82 savings, $ 17 Simultaneous cooling & DHW
  • 9. SPRING AND FALL 0 - 100% 0 - 100% 130 ton 103 kW 12 100 ton Simultaneous heating and cooling & DHW
  • 10. 130 ton 103 kW 13 100 ton Simultaneous heating and cooling & DHW
  • 11. • One unit for the production of hot and cold water, instead of the combination of chiller + boiler • • • • • 14 – Note: The use of a heat recovery units of not polyvalent type, can produce hot water ONLY if cold water is also required, also the number of compressors in operation is determined only by the cooling load. It’s different with NRP Reduction of technical spaces Simplification of the hydronic system and thermoregulation Reduced maintenance Energy savings Cost reduction Simultaneous heating and cooling & DHW
  • 13. • • Production of hot water to 131F • EER = 15.5 • COP = 3.80 or 4 in counter flow • Water cooled heat pump units Heat pumps with scroll compressors • Cooling from 32 up to 103 ton • Heating from 36 up to 126 ton • 22 R410A Refrigerant Only 31.5 inches wide AERMEC Water to Water
  • 14. • compared to the version without pumps length = + 3 feet • 2 pumps condenser side (1 in standby) • 2 pumps evaporator side (1 in standby) • one expansion vessel user side • Available with low or high pressure • 0-10 V signal for condensing water flow 24 AERMEC Water to Water
  • 17. This is a schematic diagram of the refrigerant circuit for the NXW units with refrigerant side inversion.
  • 18. This is a schematic diagram of the refrigerant circuit for the NXW units with water side inversion and a desuperheater CP V SIC RU FD VS HGBE IDL VT compressor safety valve shut off valve filter solenoid valve hot gas bypass sight glass expansion valve
  • 19. This is a schematic diagram of the refrigerant circuit for the NXW units with water side inversion and total heat recovery – 6 pipe system
  • 21. Modular Layout: it is possible to install many units in parallel connection 27 AERMEC Water to Water
  • 22. 3” Isolating valves By using true parallel unit connection the entire chiller plant does not need to be stopped to isolate a unit in case of a break. Isolating valves allow to pull a unit out of the array while the whole system continues to operate 10” Isolating valves The same procedure is impossible with connection in parallel used by other manufacturers 27 AERMEC Water to Water
  • 23. Cassette Fan Coils Ducted Fan Coils Cabinet style Inverter Fan Coils High Wall Fan Coils 29 AERMEC Fan Coils
  • 24. (FCX US 17–102) FCX US Fan Coils - Universal / Vertical Installations • Available in 9 sizes, cooling from 3415 up to 26024 BTU/h • • • • • 3 speed fan unit Power Supply: 115V – 1 – 60Hz Metal cabinet with durable polyurethane coating Motors with permanently connected condensers Low noise operation (world’s quietest) At a 25.5 decibel rating, the AERMEC fan coils emit lower noise than a whisper quiet library (30dB). 30 AERMEC Cabinet Fan Coils
  • 25. (FCX USP 17–102) FCX USP Fan Coils - Ductable Installations • • • • • • Available in 9 sizes and 2 versions, cooling from 3,415 up to 60,024 BTU/h FCX USP = low static, 3 speeds FCX USPO = high static, 7 speeds Power Supply: 115V/1/ 60Hz up to 2 tons, 220/1/60 up to 5 tons Only 8 ½ inches deep Low noise operation (world’s quietest) At a 25.5 decibel rating, the AERMEC fan coils emit lower noise than a whisper quiet library (30dB). 31 AERMEC Ducted Fan Coils
  • 26. Comfort: much higher precision in a constant ambient temperature Acoustic Comfort: The speed change is continuous and not acoustically noticeable. At a 22,5 dB(A) the AERMEC fan coils emit lower noise than a dB level at a whisper only library (30 dB(A)). 32 AERMEC Inverter Fan Coils
  • 27. 33
  • 28. (FCL 82–122) FCL Fan Coils – Suspended ceiling Installations Available in 3 sizes, FCL 82, 102, 122 • • • • • Cooling 1.7 – 2.6 – 3.1 ton 4 speed fan unit Power Supply: 220V – 1 – 60Hz 3-way valve and drain pump incorporated inside Low noise operation (world’s quietest) At a 26 decibel rating, the AERMEC fan coils emit lower noise than a whisper quiet library (30dB). 34 AERMEC Cassette Fan Coils
  • 29. FCW Fan Coils – high wall Installations • • • • • • Available in 3 sizes, FCW 21, 31, 41 Cooling from 6500 up to 14000 BTU/h 3 speed fan unit Power Supply: 220V – 1 – 60Hz 2-way/3-way valve incorporated inside Low noise operation (world’s quietest) At a 28.5 decibel rating, the AERMEC fan coils emit lower noise than a whisper quiet library (30dB). 35 AERMEC High Wall Fan Coils
  • 31. 1-row coil maximum Fan speed 4-row coil maximum 355 355 Air flow rate CFM Heating capacity BTU/h 9,285 11,005 Dry bulb air inlet temperature 0F 68.00 68.00 Dry bulb air outlet temperature 0F 92.37 96.85 Inlet water temperature 0F 130.00 104.00 Outlet water temperature 0F 120.00 94.00 Water flow rate gpm 1.75 2.19 Water pressure drops psi 4.95 1.10 37 AERMEC New valve
  • 32. Prepared by Russell Bazilev Aermec North America Email: rbazilev@aermec.us

Hinweis der Redaktion

  1. In heating mode NRL units can operate down to 5F (-15C) providing hot water at 104F (+40C). However, at 26,6F (-3C) we can produce hot water at 131F(55C).
  2. This is a diagram of the refrigerant circuit for the NRL Chillers. Note the redundancy with two circuits built into all NRL units. The arrows in the blue circuit are the water in and out.
  3. In this diagram you will notice the two desuperheater coils (in the blue circles) that have been added to the cooling circuit. The refrigerant passes through the desuperheater at all times when the unit is in operation. The heat is extracted when the external pump starts and pumps the hot water to the external storage tank. Also notice the CPCE valve. This valve is a hot gas injection valve protecting the evaporator from freezing in case of a low pressure situation when the pressure on the high pressure side drops down too much.
  4. This diagram shows the NRL with 100 percent heat recovery. In the blue circles you will see the heat recovery heat exchangers. These units are only in use when there is a call for heat recovery. The system is automated so that when there is a call for heat recovery VSR1 and VSR2 switch position allowing the refrigerant to flow in to the heat recovery heat exchangers. When the call is satisfied the valves switch position again and the refrigerant heads through the condensers.
  5. Aermec manufacture many types of fan coils. Being the largest European manufacturer Aermec produce up to 1000 pieces of fan coils every day. To produce this amount Aermec use a Robotic line. A short movie, which I am about to show you illustrates the production process. Please take note that Aermec manufacture the worlds quietest fan coils.
  6. On this slide we see the Aermec new high wall fancoils. It’s available in 3 sizes from 6500 BTU/h up to 13 000 BTU/h. It has an integrated 3-way valve inside of the unit. This year we are expecting a bigger size of this fan coil FCW 51 with higher performance. Again silent operation and attractive view.