Lennox FLEXY II Series User Manual

IOM – FLEXY II – 1007 – E Page 84
REFRIGERANT DEFINITION
R-410A is an HFC, or hydro fluorocarbon, and is made of
hy drogen, fluorine, and carbon atoms. Because it has no
chlorine, it won’t interact with the ozone layer once it
breaks down. It’s non-toxic and non-inflammable.
CHEMICAL CHARACTERISTICS OF REFRIGERANT
*1 see table below :
Ref rigerant Saf et y c las s if ications f rom ASHRAE St andard
Lo wer t o xicity Higher toxicity
Higher
flamma bility
A3 B3
LFL≤0.10kg/m3 or
hea t of
combustion≥19000k
J/kg
Lo wer
flamma bility
A2 B2
LFL>0. 10 kg /m3 a nd
hea t of co mb ustio n
>19000kJ/kg
No flame
propag a tion
A1 B1 No LFL
No indentified
toxicity at
concentrati on
≤ 400pp m
Evi denc e of
toxicity belo w
400 pp m
LFL = Lower Flammability Limit
*2 Based on CFC11
*3 Based on CO2
STANDARDS THAT MUST BE MET WITH R410A:
 An ester oil (POE) is used f or R410A (as with
R407c)
 It’s im port ant t o work wit h abs olute c leanliness
 Brazing must be done with the use of Nitrogen
(OFN)
 The system must be evacuated thoroughly
(0.3mbar or less)
 The sy stem m us t alway s be charged in the liquid
phase
SAT U R A T I O N P R E S S U R E
Satur ation press ure (relati ve press ure in bars)
Temp. °C R22 R407C Vapor R410A
70 28. 97 31. 94 46. 54
65 26. 01 28. 55 41. 7
60 23. 27 25. 44 37. 29
58 22. 24 24. 26 35. 63
56 21. 24 23. 13 34. 03
54 20. 27 22. 04 32. 49
52 19. 33 20. 99 31. 01
50 18. 43 19. 98 29. 57
48 17. 55 19 28. 19
46 16. 70 18. 05 26. 86
44 15. 89 17. 14 25. 57
42 15. 10 16. 26 24. 33
40 14. 34 15. 42 23. 14
38 13. 60 14. 61 21. 99
36 12. 89 13. 82 20. 88
34 12. 21 13. 07 19. 81
32 11. 55 12. 35 18. 79
30 10. 92 11. 65 17. 8
28 10. 31 10. 99 16. 85
26 9.7 2 10. 35 15. 93
24 9.1 6 9.7 3 15. 06
22 8.6 2 9.1 4 14. 21
20 8.1 0 8.5 8 13. 41
18 7.6 0 8.0 4 12. 63
16 7.1 2 7.5 2 11. 89
14 6.6 7 7.0 3 11. 17
12 6.2 3 6.5 5 10. 49
10 5.8 1 6.1 9.8 4
8 5.4 1 5.6 7 9.2 1
6 5.0 3 5.2 6 8.6 1
4 4.6 6 4.8 7 8.0 4
2 4.3 1 4.5 7.5
0 3.9 8 4.1 4 6.9 8
-2 3.6 6 3.8 1 6.4 8
-4 3.3 6 3.4 9 6.0 1
-6 3.0 8 3.1 9 5.5 6
-8 2.8 1 2.9 5.1 4
-10 2.5 5 2.6 3 4.7 3
-12 2.3 0 2.3 7 4.3 5
-14 2.0 7 2.1 3 3.9 8
-16 1.8 5 1.9 3.6 4
-18 1.6 5 1.6 8 3.3 1
-20 1.4 5 1.4 8 3
Name R22 R407C R410A
Component HCFC22
HFC32/HFC12
5/HFC134a
HFC32/HFC1
25
Composition (%) 100 23/ 25/ 52 50/ 50
Type of refrigerant
Single
refrigerant
Non-aze otropic
refrigerant
mixtur e
Near
azeo tropic
refrigerant
mixtur e
Chlorine Contai ned Not contained Not contained
Safet y Class * 1 A1 A1/A 1 A1/A 1
Ozon e Depl etion
Potential (ODP) * 2
0.0 55 0 0
Global War ming
Potential (GWP) * 3
170 0 153 0 173 0
Refrigerant charging
met ho d
Gas
change
Refrigerant is
taken o ut fro m
the liquid
phas e o f g as
cylinder
Refrigerant is
taken o ut fro m
the liquid
phas e o f g as
cylinder
Additio nal c harg e
due to r efrig erant
leakage
Possible
Possible
temporaril y
Possible
R410A

Lennox FLEXY II Series Specifications

General

Brand	Lennox
Model	FLEXY II Series
Category	Air Conditioner
Language	English