1. Less than 3 years pay back
Tecumseh Variable Speed kits for condenser fans
Decrease the sound level, maintain condensing pressure.
Less than 3 years pay back
Vaulx-Milieu, Septembre 2012

2. Agenda Tecumseh product offer Products benefits
Tecumseh fans description
Variable speed fans availability
The variable speed kits
AC solution
EC 250/300mm solution
EC solution
Key benefits of the Variable Speed fan kits
Products benefits
Condensing pressure control
Saving energy
Improve sound perception
From the wholesalers to the end user
Press release of the Kits
Technical features

3. Tecumseh product offer
«  READY TO INSTALL » for new installation and adaptable for the retrofit systems
A specific solution for all fan technologies offer by Tecumseh.
An all-in-one solution.
A pre-set kit: 16 Bars for R-404A, an 10 Bars for R-134a.

4. Tecumseh introduces variable speed on all its fan motors
Tecumseh fans description
AC: alternative current
EC: Electronically commutated
AC fans all diameters
- All Condensing units except AJ silence and Wintsys panels 1 and 2
- One cable (power supply)
EC Ø 350mm fans
- For AJ silence 4517, 4519 and Wintsys panels 2
- Two cable (power supply and control)
EC Ø 250/300mm fans
- For AJ silence and Wintsys panels 1
Ac fans: Except models from wint9450 to wint4524 and all LBP Wintsys
EC 250/300mm fans : Panel 1 from Wint9450 to Wint9513, and all LBP
EC 350mm fans: Wintsys panel 2, from Wint4517 to Wint4524
Tecumseh introduces variable speed on all its fan motors

5. Variable Speed fan availability
The “variable speed” stickers on the fan indicate the opportunity to install a Tecumseh variable speed kit.
A specific logo sticker will be applied:
When the condensing unit is able to handle the variable speed kits
one of the fans assembly spare parts
Specific logos and stickers :  Easy identification for wholesalers and installers

6. AC solution description
Existing power supply
Pressure information coming from liquid line
AC single phase fan
The fan speed controller adjusts the fan speed
Only one operation for the wiring
An easy plug on the fan speed controller
No impact on the existing power supply line
A complete and proven solution.

7. AC kit content « READY TO INSTALL » AC kit content:
Two preset fan speed controllers for commercial application : R-404A or R-134a
Specific brass tees with screw connection and Schrader valve
Specific cable for fan speed controller
Installation instruction and a quick start manuals

8. EC Ø 250/300mm solution A quick and innovative solution
ESM+ plug
The fan speed controller adjusts the fan speed
Remove the power supply cable by the specific ESM+ plug
An easy plug on the fan speed controller
The condensing pressure is directly connected to the fan by the module.
Power supply 230V 50Hz
Pressure information coming from liquid line
A quick and innovative solution

9. EC Ø 250/300mm kit content
« READY TO INSTALL » EC Ø 250/300 mm kit content:
Two preset fan speed controllers for commercial application: R-404A or R-134a
Specific brass tees with screw connection and Schrader valve.
Specific cable with ESM+ module
Installation instruction and a quick start manuals for ESM+ module and controller

10. EC Ø350mm solution Simplest solution on the market
Pressure information coming from liquid line
No power supply modification
An easy plug on the fan speed controller
The condensing pressure is directly connected to the fan by the module.
The fan speed controller adjusts the fan speed
Power supply 230V 50Hz
Simplest solution on the market

11. EC Ø 250/300mm kit content The « READY TO INSTALL » EC kit content:
Two preset fan speed controllers for commercial application: R-404A or R-134a
Specific brass tees with screw connection and Schrader valve.
Installation instruction and quick start manuals

12. Easy quick reference AC fans All diam. 1 cable EC Ø 250/300 mm Ø 350mm
R-134a
Tecumseh Ref. :
Your reference:
R-404A
Tecumseh Ref. : EC
Ø 250/300 mm
Tecumseh Ref. :
Tecumseh Ref. :
Ø 350mm
2 cables
Tecumseh Ref. :
Tecumseh Ref. :

13. Key benefits of the Variable Speed fan kits

14. Improve Sound Perception Condensing Pressure Control
Key benefits
Improve Sound Perception
Condensing Pressure Control
Saving Energy
Three key benefits for the end user

15. The kit « READY TO INSTALL » optimize the Tecumseh condensing units.
Condensing pressure control
The benefits of the condensing pressure stabilization are:
Stable evaporating temperature
Avoid flash gas
A better evaporator optimization during full year
The kit « READY TO INSTALL » optimize the Tecumseh condensing units.

16. The Tecumseh solution saves the end user money !
Saving energy
for a year round example the « READY TO INSTALL » EC fans kits can save up to 8% of the energy consumption of the Condensing unit.
As an example in a positive application the end user save up to 107 € per year.
Details on the appendix 24
Comparison between electrical consumption of an electronically commutated (EC: blue line) and a standard shaded poles fans (AC: red line) both equipped with variable speed controller.
The Tecumseh solution saves the end user money !

17. Decrease the sound impact
 Speed rotation
Min
25%
50%
75%
100%
LW(A)
EC Diam. 250mm 30 33 38 47 52
dB(A)
EC Diam. 300mm 29 48 60
EC diam. 350mm 18 21 42 53 70
On the appendix 25 please find an example with a condensing unit.
More than a soft start, EC technology offers a significant sound reduction

18. From the wholesalers to the end user
Benefits for the installer
Benefits for the end user
Maintain the condensing pressure =
Constant evaporating temperature
Less short cycle for the fan and the compressor
Avoid flash gas
Expend the life time of your refrigeration complete system
Less maintenance
The evaporator is always used on its optimum position
Improved food preservation (hygrometry control)
Expend the life time of your complete refrigeration system
A fans “soft start”
Low start up and stop noise
Decrease the noise perception during winter and low consumption needs periods
A direct gain below 25°C
Lower power consumption
A significant gain of energy
Less than 3 year pay back
Easy to mount
Simple supply chain with the all in one kits. (no risk of missing parts)
Quick installation

19. Press release of the kits
Chillventa : Official launch
Press release: during October 2012 on major European media.

20. Technical features

21. Insure a smoother running condition
Give a response to the winter evaporator degradation
When the ambiant temperature decrease the evaporating temperature dropt also.
This lead:
Icing the evaporator
Flash gas
Decrease the global lifetime
Decrease the global COP
Expansion valve not well adapted
Insure a smoother running condition

22. C.U. Variable Speed fan kits easy selection
AC fans
Shaded poles or PSC
1 cable
Ec Ø 250/300mm fans
Diam. 250 or 300mm
1 cable
EC Ø350mm fans Diam. 350mm
2 cables
R-134a
R-404A AC
EC 250/300
EC 350mm
EC 350mm
Tecumseh references
AJ Silence - without CAJN / TAJN 4517 et 4519 - O
AJ Silence - CAJN / TAJN 4517 et 4519
Wintsys - Panels 1
Wintsys - Panels 2
Standards C.U.* and other Wintsys panels 3
* : Family TH / AE / AJ standard / FH / AG / VS

23. Variables Fan Speed kits description
R-134a
R-404A AC
ESM EC
Notice de montage rapide
Manuel d'utilisation
 or
Capteur de pression Té
Câble d’alimentation
Clip-box
R134a
R404A AC
ESM EC
Notice de montage rapide O
Manuel d'utilisation
 ou
Capteur de pression Té
Câble d’alimentation -
Clip-box

24. Yearly energy saving simulation
Month
Jan
Feb
Mar
Apr
May
June
July
Aug.
Sept.
Oct.
Nov.
Dec.
Ambiant Temp. (°C)
-1,3
1,9
5,2
9,5 14
16,8
18,7
18,2
14,7
9,7
4,7
1,4
Condensing Temp. (°C)
30,59
30,69
31,11
32,11
33,73
35,03
36,04
35,76
34,03
32,17
31,02
30,66
Fan speed (%) 72 76 80 85 89 92 93 90
Working hours
510
461
527
548
622
668
739
654
598
538
519
Current AC (A)
0,91
0,87
0,83
0,80
0,73
0,71
0,70
Current EC (A)
0,19
0,22
0,25
0,30
0,34
0,37
0,39
0,38
0,35
Power input saving (Kwh)
80,73
65,83
66,84
60,66
53,07
50,00
50,71
51,49
54,80
65,92
68,82
74,67
Euro gain 12 10 9 8 7 11
Power input AC fan (Kwh)
200,20
191,40
182,60
176,00
160,60
156,20
154,00
Pric AC
14,79
12,79
13,94
13,98
14,47
15,12
16,49
15,22
15,25
14,23
24,22
Power consomption for AC fan
187,00 €
Money Safed
107,74 €
Average gains
57,62%
Example for a positive application (R404A) at Strasbourg average temperature and a comparison between a 90W AC standard fan and a Tecumseh EC fans.
(Calculated with U.K. V.A.T. electricity price, 2010 )

25. Sound power reduction EC motor benefits: CAJN4517ZHR example: -6 dB(A)
Full speed fan: 61.3dB(A)
Compressor : 65dB(A)
C.U. sound power at full speed:71dB(A)
EC motor benefits:
Fans speed at 50% : 42 dB(A)
Compressor: 65dB(A)
C.U. sound power at 50% 65dB(A)
CAJN4517ZHR example: -6 dB(A)

26. EC Spare parts references
Fan assembly technologies
EC 250/300mm
EC 350mm
Previous fans assembly references
New fans assembly references
Introduction date
Stickers availability
Tecumseh
C.U. AJ Silence without CAJN / TAJN 4517 et 4519 O
Diamètre 250mm : 230V
Diamètre 250mm : 230V=
Sept .2012 
Diamètre 300mm : 230V
Diamètre 300mm : 230V=
C.U. AJ Silence CAJN / TAJN 4517 et 4519  O
Diamètre 350mm 230V 
Diamètre 350mm :
Wintsys - Panels 1
Wintsys - Panels 2
Diamètre 350mm 230V  
Sept. 2012 

27. Other AC solution alternatives
Power supply
3 ~ 400V 50Hz
Tri phases fans assembly
Two controllers are requested to insure the variable speed solution
Wiring on the control panel to be added
Two types of wiring are needed:
Control
Power supply
Pressure information coming from liquid line
No all-in-one solution available on the market

28. Thank you for your attention