Trane Sintesis RTAF HE series Installation Operation & Maintenance page 147

Evaporator Glycol Requirement
Table 25 – Leaving water temperature cutout & glycol mass percent recommended for RTAF chillers with
Standard tubes
Sound power levels
Unit type
∆T evaporator
Discharge
coolant (K)
LWT (°C) LWTC (°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
0 -2.8
long) fixed to its discharge opening.
-2 -4.8
-4 -6.8
Fan
Unit -5 speed -7.8
1
-6 -8.8
FWD 08 2
-7 -9.8
3
-8 -10.8
1
-9 -11.8
FWD 10 2
3
-10 -12.8
1
-11 -13.8
FWD 12 2
-12 -14.8
3
1
Table 26 – Leaving water temperature cutout & glycol mass percent recommended for RTAF chillers with
FWD 14 2
3
Standard tubes
1
FWD 20 2
3
Unit type
∆T evaporator
Intake coolant (K)
LWT (°C) LWTC (°C)
4 1.2
Measurement conditions:
2 -0.8
Measurements taken at the horizontal air intake.
0 -2.8
-2 -4.8
Fan
-4 -6.8
Unit speed
1
-5 -7.8
FWD 08 2
-6 -8.8
3
-7 -9.8
1
-8 -10.8
FWD 10 2
3
The table above is for RTAF sizes 090 to 245. For RTAF sizes 250 to 550, please consult your local Trane Sales Office. 1
FWD 12 2
3
1
FWD 14 2
3
1
FWD 20 2
3
RLC-SVX19G-GB UNT-PRC002-GB
Evaporator Waterside (not for free cooling version)
Ethylene Glycol
2 3
%wt Glycol %wt Glycol
- 4
- 8
13 13
18 18
22 22
Power level in dB(A), per Hz frequency band
125 24 250 25 500
55 50 42
25 29
57 54 47
27 -
58 57 50
29 -
57 51 45
31 -
58 54 48
60 58 50
- -
57 51 45
- -
58 54 48
- -
60 58 50
56 62 50
61 66 55
63 69 58
57 63 51
61 66 Monopropylene Glycol 55
63 69 58
2 3
%wt Glycol %wt Glycol
- 4
10 9
15 16
20 -
Power level in dB(A), per Hz frequency band
27 -
125 250 500
56 55 55
- -
63 62 60
- -
66 65 63
- -
62 58 55
- -
66 63 60
70 67 63
62 58 55
66 63 60
70 67 63
66 65 65
73 72 69
78 76 73
68 72 64
76 76 68
78 79 71
4 5
%wt Glycol %wt Glycol
4 4
8 9
13 15
19 -
- -
- 1000 - 2000
37 37
- -
40 30
- -
42 32
- -
42 34
- -
45 38
48 40
- -
42 34
- -
45 38
- -
48 40
48 39
53 47
56 50
49 40
53 47
56 50
4 5
%wt Glycol %wt Glycol
4 4
10 12
21 -
- -
- -
1000 2000
53 46
- -
60 53
- -
62 56
- -
58 51
- -
62 56
65 59
58 51
62 56
65 59
65 57
71 64
75 69
64 56
71 65
74 69
6 7
%wt Glycol %wt Glycol
4 4
10 12
19 -
- -
- -
Overall power
- 4000 8000 -
31 30
- -
38 40
- -
40 43
- -
33 28
- -
39 35
42 39
- -
33 28
- -
39 35
- -
42 39
38 36
46 45
50 49
39 37
46 45
50 49
6 7
%wt Glycol %wt Glycol
4 5
- -
- -
- -
Overall power
- -
4000 8000
45 42
- -
53 53
- -
55 57
- -
48 44
- -
55 52
59 57
48 44
55 52
59 57
50 46
59 57
64 63
52 50
61 61
66 66
8
%wt Glycol
5
-
-
-
-
dB(A) -
46
-
50
-
53
-
48
-
51
54
-
48
-
51
-
54
56
60
63
57
60
63
8
%wt Glycol
-
-
-
-
-
dB(A)
57
-
64
-
67
-
61
-
66
69
61
66
69
68
74
78
69
75
78
11
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