Operating Principles - Trane GVAF Series Installation Operation & Maintenance

This section describes the overall flow chart principle for GVAF . Detailed information for a given order is supplied
with order package documentation.
Figure 20 – Example of Typical Refrigerant System Schematic - 2 compressors unit
Sound power levels
Discharge
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
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.
ITEM DESIGNATION
Fan
Unit speed
CENTRIFUGAL COMPRESSOR
1
FWD 08 2
3
CHECK VALVE
1
FWD 10 2
SERVICE VALVE
3
1
FWD 12 2
AIR COOLED CONDENSER
3
1
FWD 14 2
CONDENSER FAN
3
1
MANUAL SERVICE VALVE
FWD 20 2
3
FILTER DRIER
SAFETY VALVE
EXPANSION VALVE
ELECTRIC EXPANSION VALVE
EVAPORATOR
MOTORIZED SUCTION SERVICE
VALVE
CTV-SVX009D-GB UNT-PRC002-GB
Power level in dB(A), per Hz frequency band
125 250 500
55 50 42
57 54 47
58 57 50
57 51 45
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 55
63 69 58
ITEM
Power level in dB(A), per Hz frequency band
125 250 500
56 55 55
63 62 60
66 65 63
MANUAL SERVICE VALVE
62 58 55
66 63 60
70 67 63
62 58 55
66 63 60
ECONOMIZER SHUT OFF VALVE
70 67 63
66 65 65
73 72 69
LOAD BALANCING VALVE
78 76 73
68 72 64
76 76 68
78 79 71

Operating Principles

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
DESIGNATION
1000 2000
ECONOMIZER
53 46
60 53
62 56
58 51
62 56
FILTER DRIER
65 59
58 51
62 56
65 59
65 57
71 64
75 69
64 56
STAGING VALVE
71 65
74 69
SIGHT GLASS
PUMP
EWTS
LWTS
FLOW SWITCH
Overall power
4000 8000 dB(A)
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
ITEM DESIGNATION
Overall power
4000 8000 dB(A)
PRESSURE TRANSDUCER
45 42
53 53
55 57
TEMPERATURE SENSOR
48 44
55 52
59 57
48 44
55 52
59 57
50 46
59 57
OPTION A: DUAL SAFETY VALVE
64 63
52 50
61 61
66 66
INSULATION
46
50
53
48
51
54
48
51
54
56
60
63
57
60
63
57
64
67
61
66
69
61
66
69
68
74
78
69
75
78
11
41