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Pre-Start Checkout
WARNING! It is imperative that L1, L2, and L3 in the
starter be connected in the A-BC phase sequence to
prevent equipment damage due to reverse rotation.
WARNING!To prevent injury or death due to
FWD
electrocution, take extreme care when performing service
Power supply
Capacities
procedures with electrical power energized.
Cooling capacity on water (1)
Heating capacity on water (2)
CAUTION! Do not interchange any load leads that are
Fan motor
from the unit contactors or the motor terminals. Doing so
Fan power input (3)
Current amps (3)
may damage the equipment.
Start-up amps
Air flow
Water System Flow Rates
minimum
nominal
Establish a balanced chilled-water flow through the
maximum
evaporator. The flow rates should be between the
Main coil
Water entering/leaving connections
minimum and maximum values given on the pressure
drop curves.
Electric heater (accessory for blower only)
Electric power supply
Water System Pressure Drop
Heating capacity
Hot water coil (accessory for blower only)
Measure the water-pressure drop through the evaporator
Heating capacity (4)
on the field installed pressure taps on the system water
G2 filter (filter box accessory)
Quantity
piping. Use the same gauge for each measurement. Do
Dimensions ( LxWxth)
not include valves, strainers, or fittings in the pressure
G4 filter (filter box accessory)
drop readings.
Quantity
Dimensions ( LxWxth)
Integrated Pump Package (Optional)
Condensate pump (accessory)
Water flow - lift height
Before starting up the pump, the pipe system must be
Not available for FWD30 and FWD45
Sound level (L/M/H speed)
thoroughly cleaned, flushed and filled with clean water.
Sound pressure level (5)
Do not start the pump until it has been vented. To ensure
Sound power level (5)
correct venting, open the vent screw located on the pump
Unit dimensions
housing on the suction side (see next figure).
Width x Depth
Height
Shipped unit dimensions
CAUTION! When using freeze inhibitor, never fill the
Width x Depth
system with pure glycol; this will damage the shaft seal.
Height
Always fill the system with diluted solution. Maximum
Weight
Colour
concentration of glycol is 45% for unit with pump
Recommended fuse size
package.
Unit alone (aM/gI)
Unit with electric heater (gI)
If the chiller is installed in a humid environment or a
(1) Conditions: Water entering/leaving temperature: 7/12 °C, Air inlet temperature 27/19°C DB/WB - Nominal air flow
location with high air humidity, the bottom drain hole on
(2) Conditions: Water entering/leaving temperature: 50/45 °C, Air inlet temperature 20°C DB - Nominal air flow
the pump motor should be opened. The enclosure class of
(3) At high speed with nominal air flow.
the motor is then changed from IP55 to IP44. The function
(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.
of the drain holes is to drain off water which has entered
the stator housing with air humidity.
Heat exchanger operating limits:
FWD:
*water temperature: max 100° C
Figure 42 – Pump Package
*absolute service pressure: min 1 bar/max 11 bars
B
Accessories - Hot water coil:
*water temperature: min. +2° C/max. 100° C
B
*absolute service pressure: min 1 bar/max 11 bars
F
C
C
A = Pump vent screw
B = Air vent valve
C = Drain valve
4
112
Technical Data
(V/Ph/Hz)
(kW)
(kW)
(type)
(kW)
(A)
(A)
(m
/h)
3
(m
/h)
3
(m
/h)
3
(type)
(Dia)
(V/Ph/Hz)
(kW)
(kW)
(mm)
(mm)
(type)
(l/h - mm)
(dB(A))
(dB(A))
(mm)
(mm)
(mm)
(mm)
(kg)
(A)
(A)
16 (2kW),25 (4kW)
F
A
A
E
E
D
D= Drain and fill valve
E = Pump drain plug
F = Motor drain hole plug
Expansion Tank
(Pump Package Option)
The factory installed expansion tank initial pressure
08
should be adjusted about 0.5 bars higher than the static
12
pressure applied to the chiller water inlet. The static
pressure is given by the maximum water circuit height
5,2
8,3
compare to chiller location: example: the chiller is at
6,3
11,9
ground level and the circuit loop goes from basement
0,23
0,46
(at -4m compare to chiller) to third floor at 10 metres
1,1
2,2
above ground, the static pressure to use is 10 metres
3,2
5,5
of water (1 Bar) and the expansion tank initial pressure
490
980
should be 1.5 bars.
820
1650
980
1970
The expansion tank volume has been selected for
typical loop volume. The following table summarizes the
3/4"
3/4"
maximum volume of the chilled water loop that can be
supported by the expansion tank at different conditions.
230/1/50
230/1/50 or 400/3/50
2/4
8
If this maximum volume versus the required volume of
the installation is not enough, it will be necessary to add
6,3
12
an additional expansion tank located on the low pressure
side of the installation.
2
2
386x221x8
486x271x8
Table 40 – Maximum water loop volume in function of
-
2
static pressure of expansion tank
-
486x264x48
RTAF 090 - 250
Static pressure
Pure water (l)
36/40/43
38/41/44
46/50/53
48/51/54
Ethylene glycol 20% (l)
890 x 600
1090 x 710
Ethylene glycol 30% (l)
250
300
Ethylene glycol 45% (l)
933 x 644
1133 x 754
260
310
RTAF 280 - 450
32
46
Static pressure
8/16
8/16
Pure water (l)
40 (230V),3*16 (400V)
Ethylene glycol 20% (l)
Ethylene glycol 30% (l)
Ethylene glycol 45% (l)
Tracer UC800 Set-Up
Using Tracer TU service tool, adjust the settings. Refer to
Tracer TU manual and UC800 user guide for instruction
on settings.
CAUTION! To prevent compressor damage, do not
operate the unit until all refrigerant valves and oil-line
service valves are opened.
IMPORTANT! A clear sight glass alone does not mean
that the system is properly charged. Also check system
discharge superheat, approach temperature and unit
operating pressures.
20
30
230/1/50
15
18,8
18,9
20,9
2 x direct drive centrifugal
0,65
1,04
3,1
4,7
9,3
14,1
1400
1800
2300
3000
2600
3600
ISO R7 rotating female
1 1/2"
1 1/2"
400/3/50
400/3/50
10
12
17,4
22,4
2
2
586x321x8
586*421*8
2
2
586x314x48
586*414*48
Centrifugal
24 - 500
1 Bar
2 Bar
6342
3996
46/50/53
47/52/57
56/60/63
57/62/67
3409
2148
1290 x 820
1290 x 970
2273
1432
350
450
1515
955
1333 x 864
1333 x 1008
360
460
61
76
galvanised steel
1 Bar
2 Bar
8/16
8/25
9292
5854
3*20
3*25
5689
3584
4912
3095
4073
2566
45
30,1
38,2
1,51
5,5
16,5
2700
4500
5400
1 1/2"
400/3/50
12
34,5
2
586*621*8
2
586*614*48
3 Bar
1370
47/52/58
57/62/68
736
1290 x 1090
491
650
327
1333*1133
660
118
3 Bar
8/25
2007
3*25
1229
1061
880
RLC-SVX19E-GB
UNT-PRC002-GB
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