Fwd 10; Filters; Fwd 08; Electrical Air Heaters - Trane CLCF Climate Changer Manual

Frost Protection
Check that the frost protection system is working before the beginning of each winter period. Ensure that the frost
thermostat is working within the correct temperature range.
Condensate drain tank
Sound power levels
The cooling coil condensate drain pan and the drain connection should be checked for sediment and deposits and
cleaned as required.
Discharge

Filters

Measurement conditions:
Use Table 7 as a recommendation for filter cleaning or replacement. Each unit maintenance should be adapted
Measurements taken in a room adjacent to the room containing the FWD, at the outlet of the rectangular duct (1.5 m
depending on filter type and on air quality. Filter clogging causes higher air pressure drops resulting in lower air
long) fixed to its discharge opening.
volume and performance change.
WARNING! If a damper or intake/discharge hole is positioned on the bottom panel and the section is equipped with
Fan
Unit speed
inspection access, safety devices must be provided to cover the damper hole when entering in the section.
1
Note: It is recommended to install the gauge or the differential pressure switch, if necessary, with a visible indicating

FWD 08

2
light, to have a constant control over filter cleaning. It is also recommended to adjust the dirty filter setting to the 3
1
final air pressure drop indicated in the selection data sheets.

FWD 10

2
Note: The unit must not be run without filters.
3
1
Clean the filter after the first 2 hours of unit operation. The bag and absolute filters must be replaced when filter air
FWD 12 2
pressure drop reaches the final air pressure drop indicated in the selection datasheets. The washable filters must be
3
1
cleaned with air pressure going in the direction opposite the normal air flow and then washed in hot water with the
FWD 14 2
addition of a small quantity of detergent.
3
Refer always to filter manufactures cleaning instruction. 1
FWD 20 2
The new filters must be installed in the air flow direction as indicated by the arrow on the external frame and as
3
described in Installation section.
Intake

Electrical air heaters

Measurement conditions:
Check the heater for dirt accumulation, the ignition and any build up of corrosion. If required, clean the heating
Measurements taken at the horizontal air intake.
elements. Check the safety controls and the fan control.
Fan

Humidifier/air washer

Unit speed
1
CAUTION! The whole humidifier section including the drain pan must be cleaned and disinfected regularly. It must
FWD 08 2
3
also be thoroughly cleaned after each operating season.
1
To optimize the unit life cycle and operation, we strongly recommend the use of a water specialist to verify and
FWD 10 2
adjust the hardness and quality of the water used in the humidifier systems. 3
1
FWD 12 2

Pumps

3
1
The circulating pump and motor maintenance must be carried out in accordance with the manufacturer's
FWD 14 2
instructions.
3
1
As a general rule:
FWD 20 2
3
• The pump must never be run dry to avoid any pump damage.
• Ingress of sediment into the pump must be avoided.
• The pump should be run a few minutes every other day to avoid jamming. The installation of an automatic actuator
for this purpose is recommended.
AH-SVX03C-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
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 4000
37 37 31
40 30 38
42 32 40
42 34 33
45 38 39
48 40 42
42 34 33
45 38 39
48 40 42
48 39 38
53 47 46
56 50 50
49 40 39
53 47 46
56 50 50
1000 2000 4000
53 46 45
60 53 53
62 56 55
58 51 48
62 56 55
65 59 59
58 51 48
62 56 55
65 59 59
65 57 50
71 64 59
75 69 64
64 56 52
71 65 61
74 69 66
Maintenance
Overall power
8000 dB(A)
30 46
40 50
43 53
28 48
35 51
39 54
28 48
35 51
39 54
36 56
45 60
49 63
37 57
45 60
49 63
Overall power
8000 dB(A)
42 57
53 64
57 67
44 61
52 66
57 69
44 61
52 66
57 69
46 68
57 74
63 78
50 69
61 75
66 78
11
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