Trane CLCF Climate Changer Manual page 30

Air handling units
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Factory engineered controls
Table 4 – Trouble analysis
Symptom(s)
Any Low Voltage Device not Working
FWD
Power supply
Capacities
Cooling capacity on water (1)
Differential Pressure Switch not Working
Heating capacity on water (2)
Fan motor
Fan power input (3)
Current amps (3)
Start-up amps
Damper not Working
Air flow
minimum
nominal
maximum
Main coil
Damper actuator not working 24 VAC power
Water entering/leaving connections
supply not present at the actuator
Electric heater (accessory for blower only)
Damper actuator not working. 0 to 10 VDC
Electric power supply
input signal to acuator not present
Heating capacity
Hot water coil (accessory for blower only)
Heating capacity (4)
G2 filter (filter box accessory)
Valve not working
Quantity
Dimensions ( LxWxth)
G4 filter (filter box accessory)
Quantity
Dimensions ( LxWxth)
Valve actuator not working. 24 VAC power
Condensate pump (accessory)
supply not present at the actuator
Water flow - lift height
Not available for FWD30 and FWD45
Valve actuator not working. 0 to 10 VDC
Sound level (L/M/H speed)
input signal to actuator not present
Sound pressure level (5)
Sound power level (5)
Unit dimensions
Width x Depth
Height
Shipped unit dimensions
Width x Depth
Height
Weight
Colour
Recommended fuse size
Unit alone (aM/gI)
Unit with electric heater (gI)
(1) Conditions: Water entering/leaving temperature: 7/12 °C, Air inlet temperature 27/19°C DB/WB - Nominal air flow
(2) Conditions: Water entering/leaving temperature: 50/45 °C, Air inlet temperature 20°C DB - Nominal air flow
(3) At high speed with nominal air flow.
(4) Water entering/leaving temperature 90/70 °C, air inlet temperature 20 °C DB, Nominal air flow.
(5) A rectangular glass wool duct 1m50 long is placed on the blower.The measurement is taken in the room containing the blower unit.
Heat exchanger operating limits:
FWD:
*water temperature: max 100° C
*absolute service pressure: min 1 bar/max 11 bars
Accessories - Hot water coil:
*water temperature: min. +2° C/max. 100° C
*absolute service pressure: min 1 bar/max 11 bars
30
4
Technical Data
Probable Cause(s)
Breakpoint Connector
08
(V/Ph/Hz)
Tubes not connected
(kW)
5,2
DPS failed
(kW)
6,3
(type)
(kW)
Damper linkage is loose
0,23
(A)
1,1
Damper blade hitting an obstruction
(A)
3,2
Damper blade bent
(m
/h)
490
3
Damper actuator is malfunctioning
(m
/h)
820
3
(m
/h)
980
3
Control transformer furnishing the damper
actuator 24 VAC has failed
(type)
(Dia)
24 VAC power wiring is broken or shorted
3/4"
0 to 10 VDC input signal wiring broken
(V/Ph/Hz)
230/1/50
or shorted
(kW)
2/4
Valve not piped per recommended flow
(kW)
arrangement
6,3
Valve seat hitting an obstruction in pipe
2
(mm)
386x221x8
Valve actuator is malfunctioning
-
Control transformer furnishing the cooling
(mm)
-
valve actuator 24 VAC power has failed
(type)
24 VAC power wiring broken or shorted
(l/h - mm)
0 to 10 VDC input signal wiring broken
or shorted
(dB(A))
36/40/43
(dB(A))
46/50/53
(mm)
890 x 600
(mm)
250
(mm)
933 x 644
(mm)
260
(kg)
32
(A)
8/16
(A)
16 (2kW),25 (4kW)
Recommanded Action(s)
Check Correct Connection
Tighten Connection
12
20
230/1/50
8,3
15
Blow down Positive Tube and hear click
11,9
18,9
2 x direct drive centrifugal
0,46
Tighten damper linkage
0,65
2,2
3,1
Remove obstruction
5,5
9,3
Replace damper
980
1400
See symptoms for mixed air damper actuator
1650
2300
1970
2600
Check transformer
ISO R7 rotating female
3/4"
1 1/2"
230/1/50 or 400/3/50
400/3/50
8
10
Re-pipe valve to recommended flow
12
17,4
Remove obstruction
2
2
See symptoms for valve actuator
486x271x8
586x321x8
2
2
Check transformer
486x264x48
586x314x48
Centrifugal
24 - 500
38/41/44
46/50/53
48/51/54
56/60/63
1090 x 710
1290 x 820
300
350
1133 x 754
1333 x 864
310
360
46
61
galvanised steel
8/16
8/16
40 (230V),3*16 (400V)
3*20
30
45
Repair Wiring
Connect Tubes
18,8
30,1
20,9
38,2
Replace DPS
1,04
1,51
4,7
5,5
14,1
16,5
1800
2700
3000
4500
not working
3600
5400
Repair wiring
1 1/2"
1 1/2"
Repair wiring
400/3/50
400/3/50
12
12
arrangement
22,4
34,5
2
2
586*421*8
586*621*8
not working
2
2
586*414*48
586*614*48
Repair wiring
Repair wiring
47/52/57
47/52/58
57/62/67
57/62/68
1290 x 970
1290 x 1090
450
650
1333 x 1008
1333*1133
460
660
76
118
8/25
8/25
3*25
3*25
UNT-PRC002-GB
AH-SVX03C-GB

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