Trane CONQUEST CGAX Series User Manual

CG-SVX027E-GB
21
11UNT-PRC002-GB
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 Power level in dB(A), per Hz frequency band Overall power
Unit speed 125 250 500 1000 2000 4000 8000 dB(A)
1 55 50 42 37 37 31 30 46
FWD 08 2 57 54 47 40 30 38 40 50
3 58 57 50 42 32 40 43 53
1 57 51 45 42 34 33 28 48
FWD 10 2 58 54 48 45 38 39 35 51
3 60 58 50 48 40 42 39 54
1 57 51 45 42 34 33 28 48
FWD 12 2 58 54 48 45 38 39 35 51
3 60 58 50 48 40 42 39 54
1 56 62 50 48 39 38 36 56
FWD 14 2 61 66 55 53 47 46 45 60
3 63 69 58 56 50 50 49 63
1 57 63 51 49 40 39 37 57
FWD 20 2 61 66 55 53 47 46 45 60
3 63 69 58 56 50 50 49 63
Intake
Measurement conditions:
Measurements taken at the horizontal air intake.
Fan Power level in dB(A), per Hz frequency band Overall power
Unit speed 125 250 500 1000 2000 4000 8000 dB(A)
1 56 55 55 53 46 45 42 57
FWD 08 2 63 62 60 60 53 53 53 64
3 66 65 63 62 56 55 57 67
1 62 58 55 58 51 48 44 61
FWD 10 2 66 63 60 62 56 55 52 66
3 70 67 63 65 59 59 57 69
1 62 58 55 58 51 48 44 61
FWD 12 2 66 63 60 62 56 55 52 66
3 70 67 63 65 59 59 57 69
1 66 65 65 65 57 50 46 68
FWD 14 2 73 72 69 71 64 59 57 74
3 78 76 73 75 69 64 63 78
1 68 72 64 64 56 52 50 69
FWD 20 2 76 76 68 71 65 61 61 75
3 78 79 71 74 69 66 66 78
Installation – Mechanical
The minimum volume can be determined by using the
following formula:
Volume = Cooling capacity x Time x highest capacity
step (%) / Specic heat / Dead band
Minimum operating time = 120 seconds
Specic heat = 4.18 kJ / kg
Average Dead band = 3°C (or 2°C)
Note: To estimate the biggest step, it is usually
more reliable to make a selection at lower ambient
temperature where efciency is higher and compressors
steps bigger. It is also essential to take into account the
brine specic heat, in case of the use of glycol.
Process applications will need more water volume to
minimize the water temperature uctuation at part load.
Table 3 - Minimum water volumes for comfort applications
Unit Size Capacity (KW) Biggest Step (%)
Minimum Water
Volume (l) Dead
band = 2 °C
Minimum Water
Volume (l) Dead
band = 3 °C
15 42 50 301 201
17 48 57 393 262
20 58 50 416 278
23 65 56 522 348
26 74 50 531 354
30 82 50 589 392
36 94 33 445 297
39 107 33 507 338
45 123 33 583 388
35 96 33 455 303
40 114 25 409 273
46 126 28 506 338
52 143 25 513 342
60 160 25 574 383
Expansion tank (option)
The factory-installed expansion tank initial pressure
should be adjusted about 0.2 bar lower than the static
pressure of the circuit at the pump inlet. The expansion
tank volume has been selected for typical loop volume.
It is recommended to check the expansion tank volume
with the installation information.
The following data is required:
- C = Water capacity of the circuit
- e = Expansion coefcient (difference between max and
min water temperature, in operation or not)
- Pi = Initial pressure of the expansion tank
- Pf = Final pressure: Max is given by the pressure relief
valve
Minimum Volume of expansion tank = (C x e)/(1-Pi/Pf)
Expansion coefcient of water at various temperatures
°C e
0 0.00013
10 0.00027
20 0.00177
30 0.00435
40 0.00782
50 0.01210

Trane CONQUEST CGAX Series Specifications

General

Brand	Trane
Model	CONQUEST CGAX Series
Category	Heat Pump
Language	English