Trane ECOWISE RTAF SE Installation Operation & Maintenance page 93

Evaporator Glycol Requirement
Table 20 – Leaving water temperature cutout & glycol mass percent recommended for RTAF chillers with
Standard tubes
Sound power levels
Unit type
∆T evaporator
Discharge
coolant (K)
LWTC
LWT (°C)
(°C)
Measurement conditions:
4 1.2
Measurements taken in a room adjacent to the room containing the FWD, at the outlet of the rectangular duct (1.5 m
2 -0.8
long) fixed to its discharge opening.
0 -2.8
-2 -4.8
Fan
-4 -6.8
Unit speed
-5 -7.8
1
FWD 08 2
-6 -8.8
3
-7 -9.8
1
-8 -10.8
FWD 10 2
-9 -11.8
3
-10 -12.8 1
FWD 12 2
-11 -13.8
3
-12 -14.8
1
FWD 14 2
Table 21 – Leaving water temperature cutout & glycol mass percent recommended for RTAF chillers with
3
Standard tubes
1
FWD 20 2
3
Unit type
Intake ∆T evaporator
coolant (K)
LWTC
Measurement conditions: LWT (°C)
(°C)
Measurements taken at the horizontal air intake.
4 1.2
2 -0.8
Fan
0 -2.8
Unit speed
-2 -4.8
1
-4 -6.8
FWD 08 2
-5 -7.8
3
1
-6 -8.8
FWD 10 2
-7 -9.8
3
-8 -10.8
1
FWD 12 2
The table above is for RTAF sizes 090 to 245. For RTAF sizes 250 to 450, please consult your local Trane Sales Office.
3
1
FWD 14 2
3
1
FWD 20 2
3
RLC-SVX19E-GB UNT-PRC002-GB
Evaporator Waterside (not for free cooling version)
2 3 4 5
%wt %wt %wt %wt
Glycol Glycol Glycol Glycol
- 4 4 4
- 8 8 9
13 13 13 15
18 18 19 -
Power level in dB(A), per Hz frequency band
22 22 - -
125 250
24 25 - -
55 50
57 54
25 29 - -
58 57
27 - - -
57 51
29 - - -
58 54
31 - - -
60 58
- 57 - - 51 -
58 54
- - - -
60 58
- - - -
56 62
61 66
63 69
57 63
61 66
63 69
SE/HSS Units
2 3 4 5
%wt %wt %wt %wt
Glycol Glycol Glycol Glycol
- 4 4 4
10 9 10 12
Power level in dB(A), per Hz frequency band
15 16 21 -
125 250
20 - - -
56 55
27 - - -
63 62
- - - -
66 65
62 58
- - - -
66 63
- - - -
70 67
- - - -
62 58
66 63
70 67
66 65
73 72
78 76
68 72
76 76
78 79
Ethylene Glycol
6 7 8 2
%wt %wt %wt %wt
Glycol Glycol Glycol Glycol
4 4 5 13
10 12 - 18
19 - - 22
- - - 24
- - - 25
500 1000
- - - 27
42 37
47 40
- - - 29
50 42
- - - 31
45 42
- - - -
48 45
- - - -
50 48
- 45 - 42 - -
48 45
- - - -
50 48
- - - -
50 48
55 53
58 56
51 49
55 53
Monopropylene Glycol
58 56
6 7 8 2
%wt %wt %wt %wt
Glycol Glycol Glycol Glycol
4 5 - -
- - - 10
- - - 15
500 1000
- - - 20
55 53
- - - 27
60 60
- - - -
63 62
55 58
- - - -
60 62
- - - -
63 65
- - - -
55 58
60 62
63 65
65 65
69 71
73 75
64 64
68 71
71 74
HE/XE/HSE Units
3 4 5
%wt %wt %wt %wt
Glycol Glycol Glycol Glycol
4 4 4
8 8 9 10
13 13 15 19
18 19 -
22 - -
2000 4000 8000
25 - -
37 31 30
30 38 40
29 - -
32 40 43
- - -
34 33 28
- - -
38 39 35
- - -
40 42 39
34 - - 33 - 28
38 39 35
- - -
40 42 39
- - -
39 38 36
47 46 45
50 50 49
40 39 37
47 46 45
50 50 49
HE/XE/HSE Units
3 4 5
%wt %wt %wt %wt
Glycol Glycol Glycol Glycol
4 4 4
9 10 12
16 21 -
2000 4000 8000
- - -
46 45 42
- - -
53 53 53
- - -
56 55 57
51 48 44
- - -
56 55 52
- - -
59 59 57
- - -
51 48 44
56 55 52
59 59 57
57 50 46
64 59 57
69 64 63
56 52 50
65 61 61
69 66 66
6 7 8
%wt %wt
Glycol Glycol
4 4 5
12 -
- -
- - -
Overall power
- - -
dB(A)
- - -
46
50
- - -
53
- - -
48
- - -
51
- - -
54
- - 48 -
51
- - -
54
- - -
56
60
63
57
60
63
6 7 8
%wt %wt
Glycol Glycol
4 5 -
- - -
Overall power
- - -
dB(A)
- - -
57
- - -
64
- - -
67
61
- - -
66
- - -
69
- - -
61
66
69
68
74
78
69
75
78
11
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