Trane GVAF Series Installation Operation & Maintenance page 33

Water Pressure Drops - Coils
The free cooling water pressure drops given in charts below (coil + valve) should be added to evaporator pressure
drop to get full unit pressure drop.
Figure 14 – Water Pressure drop coils - Total and Partial Direct Free cooling
Sound power levels
Discharge
10000
Measurement conditions:
Measurements taken in a room adjacent to the room containing the FWD, at the outlet of the rectangular duct (1.5 m
long) fixed to its discharge opening.
Fan
Unit speed
1
FWD 08 2
3
1000
1
FWD 10 2
3
1
FWD 12 2
3
1
FWD 14 2
3
1
FWD 20 2
3
100
3
Intake
Measurement conditions:
4
Measurements taken at the horizontal air intake.
Fan
Unit speed
1
FWD 08 2
3
10
1
0 1
FWD 10 2
3
1
FWD 12 2
3
1
FWD 14 2
3
1
FWD 20 2
3
CTV-SVX009D-GB UNT-PRC002-GB
Water Pressure Drop Coils- Direct Free Cooling 30%EG
Power level in dB(A), per Hz frequency band
125 250
55 50
1
57 54
58 57
57 5 51
58 54
60 58
57 51
58 54
60 58
2
56 62
6
61 66
63 69
57 63
61 66
63 69
Power level in dB(A), per Hz frequency band
125 250
56 55
63 62
66 65
62 58
1 0 0
66 63
Water flow rates (L/s)
70 67
62 58
66 63
70 67
66 65
73 72
78 76
68 72
76 76
78 79
500 1000 2000
42 37 37
47 40 30
50 42 32
45 42 34
48 45 38
50 48 40
45 42 34
48 45 38
50 48 40
50 48 39
55 53 47
58 56 50
51 49 40
55 53 47
58 56 50
500 1000 2000
55 53 46
60 60 53
63 62 56
55 58 51
0 1 0 0
60 62 56
63 65 59
55 58 51
60 62 56
63 65 59
65 65 57
69 71 64
73 75 69
64 64 56
68 71 65
71 74 69
Optional Free-Cooling
1. Direct Par al FC GVAF X-155, X-175, X-
205, X-245, XPG-125, XPG-145, XPG-155,
XPG-175
4000 8000
31 30
2. Direct Total FC GVAF X-155, X-175,X-205,
38 40
X-245, XPG-125, XPG-145, XPG-155, XPG-
40 43
175
33 28
39 35
42 39
33 28
3. Direct Par al FC GVAF X-250, X-280, X-
39 35
310, X-350, XP-190, XP-250, XP-245, XPG-
190, XPG-205, XPG-245, XPG-250
42 39
38 36
46 45
50 49
4. Direct Total FC GVAF X-250, X-280, X-310,
39 37
X-350, XP-190, XP-205, XP-245, XPG-190,
46 45
XPG-205, XPG-245, XPG-250
50 49
5. Direct Par al FC GVAF X-380, X-410, X-
450, XP-310, XP-350, XPG-280, XPG-310,
XPG-350
6. direct Total FC GVAF X-380, X-410, X-450,
XP-310, XP-350, XPG-280, XPG-310, XPG-
4000 8000
350
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
Overall power
dB(A)
46
50
53
48
51
54
48
51
54
56
60
63
57
60
63
Overall power
dB(A)
57
64
67
61
66
69
61
66
69
68
74
78
69
75
78
11
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