4
UNT-PRC002-GB
Technical Data
FWD
08
12
20
30
45
Power supply
(V/Ph/Hz)
230/1/50
Capacities
Cooling capacity on water (1)
(kW)
5,2
8,3
15
18,8
30,1
Heating capacity on water (2)
(kW)
6,3
11,9
18,9
20,9
38,2
Fan motor
(type)
2 x direct drive centrifugal
Fan power input (3)
(kW)
0,23
0,46
0,65
1,04
1,51
Current amps (3)
(A)
1,1
2,2
3,1
4,7
5,5
Start-up amps
(A)
3,2
5,5
9,3
14,1
16,5
Air flow
minimum
(m
3
/h)
490
980
1400
1800
2700
nominal
(m
3
/h)
820
1650
2300
3000
4500
maximum
(m
3
/h)
980
1970
2600
3600
5400
Main coil
Water entering/leaving connections
(type)
ISO R7 rotating female
(Dia)
3/4"
3/4"
1 1/2"
1 1/2"
1 1/2"
Electric heater (accessory for blower only)
Electric power supply
(V/Ph/Hz)
230/1/50
230/1/50 or 400/3/50
400/3/50
400/3/50
400/3/50
Heating capacity
(kW)
2/4
8
10
12
12
Hot water coil (accessory for blower only)
Heating capacity (4)
(kW)
6,3
12
17,4
22,4
34,5
G2 filter (filter box accessory)
Quantity
2
2
2
2
2
Dimensions ( LxWxth)
(mm)
386x221x8
486x271x8
586x321x8
586*421*8
586*621*8
G4 filter (filter box accessory)
Quantity
-
2
2
2
2
Dimensions ( LxWxth)
(mm)
-
486x264x48
586x314x48
586*414*48
586*614*48
Condensate pump (accessory)
(type)
Centrifugal
Water flow - lift height
(l/h - mm)
24 - 500
Not available for FWD30 and FWD45
Sound level (L/M/H speed)
Sound pressure level (5)
(dB(A))
36/40/43
38/41/44
46/50/53
47/52/57
47/52/58
Sound power level (5)
(dB(A))
46/50/53
48/51/54
56/60/63
57/62/67
57/62/68
Unit dimensions
Width x Depth
(mm)
890 x 600
1090 x 710
1290 x 820
1290 x 970
1290 x 1090
Height
(mm)
250
300
350
450
650
Shipped unit dimensions
Width x Depth
(mm)
933 x 644
1133 x 754
1333 x 864
1333 x 1008
1333*1133
Height
(mm)
260
310
360
460
660
Weight
(kg)
32
46
61
76
118
Colour
galvanised steel
Recommended fuse size
Unit alone (aM/gI)
(A)
8/16
8/16
8/16
8/25
8/25
Unit with electric heater (gI)
(A)
16 (2kW),25 (4kW)
40 (230V),3*16 (400V)
3*20
3*25
3*25
(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
CG-SVX051A-GB
30
Chilled/hot water piping
Chilled/Hot Water Exchanger water connections are
grooved. Thoroughly flush all water piping to the unit
before making the final piping connections to the unit.
Components and layout will vary slightly, depending on
the location of connections and the water sources.
CAUTION Equipment Damage!
If using an acidic
commercial flushing solution, construct a temporary
bypass around the unit to prevent damage to internal
components of chilled/hot water exchanger.
CAUTION Proper Water Treatment!
The use of untreated
or improperly treated water in the unit may result
in scaling, erosion, corrosion, algae or slime. It is
recommended that the service of a qualified water
treatment specialist be engaged to determine what
water treatment, if any, is required. Trane assumes
no responsibility for equipment failures which results
from untreated or improperly treated water or saline or
brackish water.
Drainage
Locate the unit near a large capacity drain for water
vessel draining down during shutdown or repair.
Chilled/hot water exchangers are provided with drain
connections. Refer to “Water Piping.” All local and
national codes apply.
Water Treatment
In the Chilled/Hot Water Exchanger the following material
are in contact with water:
•
Plate material: AISI 316 EN 10028-7 - 1.4401 +2B/2R
•
Connection: AISI 316 EN 10272
-1.4401/1.4404/1.4435/1.4436 - 1E
•
Braze alloy: EN-13388, ISO Copper CU-HCP
When the unit is supplied with hydraulic module, the
following additional materials are in contact with water:
•
Pump frame and connections are made of cast iron
•
Water pipes are made of carbon steel
•
Pipe sealings are made of EPDM rubber (ethylene
propylene diene monomer rubber)
•
Pump sealings are made of silicon carbide
•
Strainer is made of stainless steel
Dirt, scale, products of corrosion, and other foreign
material will adversely affect heat transfer between the
water and system components. Foreign matter in the
chilled-water system can also increase pressure drop and
consequently, reduce water flow. Proper water treatment
must be determined locally, depending on the type of
system and local water characteristics.
Neither salt nor brackish water is recommended for
use in Trane air-cooled unit. Use of either will lead to an
unpredictably shorter life cycle. Trane encourages the
employment of a reputable water treatment specialist,
familiar with local water conditions, to assist in this
determination and in the establishment of a proper water
treatment program.
If calcium chloride is used for water treatment, an
applicable corrosion inhibitor must also be used. Failure
to do so may result in damage to system components.
Do not use untreated or improperly treated water.
Equipment damage may occur.
Piping
Piping components include all devices and controls
used to provide proper water system operation and unit
operating safety. A typical Chilled/Hot Water Exchanger
piping is shown below.
Figure 5 - Unit typical water circuit
1 = Pressure gauges: show entering and leaving water
pressure
2 = Balancing valve: adjusts water flow.
3 = Air purge allows to remove the air from the water
circuit during fill up.
4 = Stop valves: isolate the unit and water circuiting
pump during maintenance operations.
5 = Thermometers: indicate chilled water entering and
leaving temperatures.
6 = Expansion compensators: avoid mechanical stress
between the unit and piping installation.
7 = Stop valve located on the outlet connection: used to
measure the water pressure inlet or outlet of chilled/hot
water exchanger.
8 = Strainer: avoid to get heat exchangers dirty. All
installation must be equipped with efficient strainer in
order that only clean water enters into exchanger. If
there is no strainer, reserve will be formulated by the
Trane technician at the start-up of the unit. The trainer
used must be able to stop all particles with a diameter
greater than 1 mm.
9 = Draining: used as the draining the plate heat
exchanger.
10 = Do not start the unit with low water volume or not
enough pressurized circuit.
Note:
A pressure switch device to detect lack of water
is not included in the pump package. Installation of this
type of device is highly recommended to avoid sealing
damage due to operation of pump without enough
water.
