Trane ECOWISE RTAF SE Installation Operation & Maintenance page 53

Evaporator Piping Components
Piping components include all devices and controls used to provide proper water system operation and unit
operating safety. A typical RTAF evaporator piping is shown below.
Sound power levels
Figure 9 – Typical RTAF evaporator water piping
Discharge
5
4
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
7
1
FWD 08 2
3
1
FWD 10 2
3
1
FWD 12 2
3
1
FWD 14 2
3
1
FWD 20 2
3
Intake
Measurement conditions:
Measurements taken at the horizontal air intake.
1 = Isolation valve
2 = Vibration isolators
Fan
3 = Evaporator – End view (2-pass)
Unit speed
4 = Evaporator Waterbox
1
FWD 08 2
5 = Vent
3
6 = Strainer
1
7 = Drain
FWD 10 2
3
1
FWD 12 2
3
Entering Chilled Water Piping
1
FWD 14 2
• Air vents to bleed the air from the system (to be placed 3
1
on the highest point)
FWD 20 2
• Water pressure gauges with shutoff valves 3
• Vibration eliminators
• Shutoff (isolation) valves
• Thermometers if desired (temperature readings
available on chiller controller display)
• Clean-out tees
• Pipe strainer
RLC-SVX19E-GB UNT-PRC002-GB
3
Power level in dB(A), per Hz frequency band
6
125 250 500
B
55 50 42
57 54 47
58 57 50
57 51 45
58 54 48
60 58 50
1
57 51 45
58 54 48
60 58 50
56 62 50
61 66 55
63 69 58
57 63 51
61 66 1 55
7
C
63 69 58
Power level in dB(A), per Hz frequency band
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
1000 2000
2
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
2
Pi = Pressure gauge
FT = Water Flow Switch
T1 = Evaporator Water Inlet Temperature Sensor
1000 2000
T2 = Evaporator Water Outlet Temperature Sensor
53 46
60 53
A = Isolate unit for initial water loop cleaning
62 56
B = Vent must be installed at the high point of the line
58 51
C = Drain must be installed at the low point of the line
62 56
65 59
58 51
62 56
65 59
65 57
71 64
Leaving Chilled Water Piping
75 69
64 56
• Air vents to bleed the air from the system (to be placed
71 65
on the highest point)
74 69
• Water pressure gauges with shut off valves
• Vibration eliminators
• Shutoff (isolation) valves
• Thermometers (temperature readings available on the
chiller controller display)
• Clean-out tees
• Balancing valve
• Flow Proving Device
Evaporator Piping
Overall power
4000 8000 dB(A)
1
A
31 30 46
38 40 50
40 43 53
33 28 48
39 35 51
42 39 54
33 28 48
39 35 51
42 39 54
38 36 56
46 45 60
50 49 63
39 37 57
46 45 60
1
50 49 63
A
Overall power
4000 8000 dB(A)
45 42 57
53 53 64
55 57 67
48 44 61
55 52 66
59 57 69
48 44 61
55 52 66
59 57 69
50 46 68
59 57 74
64 63 78
52 50 69
61 61 75
66 66 78
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