RLC-SVX023A
14
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
Installation - Mechanical
Water Pressure Relief Valves
Install a pressure relief valve in both evaporator and
condenser water systems. Failure to do so could result
in Heat Exchanger damage.
When shutoff valves are installed on the water circuits,
the water temperature can increase and create a high
pressure in the water systems. Refer to applicable
regulation for relief valve installation guidelines.
Flow Sensing Devices
Use field-provided flow switches or differential pressure
switches with pump interlocks to sense system water
flow.
To provide chiller protection, install and wire flow
switches in series with the water pump interlocks, for
both chilled water and condenser water circuits (refer to
the “Installation Electrical” section). Specific connections
and schematic wiring diagrams are shipped with the
unit.
Flow switches must stop or prevent compressor
operation if either system water flow drops off
drastically. Follow the manufacturer’s recommendations
for selection and installation procedures. General
guidelines for flow switch installation are outlined below.
• Mount the switch upright, with a minimum of 5 pipe
diameters of straight, horizontal run on each side.
• Do not install close to elbows, orifices or valves.
Note: The arrow on the switch must point in the direction
of the water flow. To prevent switch fluttering, remove all
air from the water system.
Note: The Tracer UC800 provides a 6-second time delay
on the flow switch input before shutting down the unit
on a loss-of-flow diagnostic. Contact a qualified service
organization if nuisance machine shutdowns persist.
Adjust the switch to open when water flow falls below
nominal. Refer to the General Data table for minimum
flow recommendations. Flow switch contacts are closed
on proof of water flow.
Refrigerant Pressure Relief Valve
Venting
To prevent injury due to inhalation of refrigerant gas, do
not discharge refrigerant anywhere. If multiple chillers
are installed, each unit must have separate venting for
its relief valves. Consult local regulations for any special
relief line requirements.
All relief valve venting is the responsibility of the
installing contractor. All RTSF units use condenser
pressure relief valves that must be collected. Relief valve
connection sizes and locations are shown in the unit
submittals. Refer to national regulations for relief valve
vent line sizing information.
Do not exceed vent piping code specifications. Failure
to heed specifications could result in capacity reduction,
unit damage and/or relief valve damage.
Note: Once opened, relief valves tend to leak.
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