CG-SVX027D-GB
42
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
General Start up
Start Up
Follow the instructions below to correctly start-up the
unit.
Installation and chiller inspection
• Ensure that all the operations above (start-up
preparation), are followed. Follow the instruction stuck
inside the electrical cabinet
• Put the plexiglass supplied by Trane in front of the
power terminal
• Ensure all water and refrigerant valves are in service
positions
• Ensure that the unit is not damaged
• Ensure that sensors are properly installed in their bulb-
wells and submerged in heat conducting product
• Check fixing of capillary tubes (protection from
vibration and from wear) and ensure that they are not
damaged
• Reset all manually set control devices
• Check refrigerating circuits tightness
Checking and setting
Compressors
• Check oil level at rest. The level should reach at least
halfway up indicator located on housing. See Figure 16
for correct level.
Figure 13 - Compressor oil level
1 = Max. oil level
2 = Min. oil level
• Reset all manually set control devices
• Check refrigerating circuits tightness
• Check electrical terminals tightening of the motors and
in the control panel
• Check the isolation of the motors using a 500V
DC megohmeter which meets manufacturer’s
specifications (minimum value 2 megohms)
• Check the direction of the rotation using phasemeter
Electrical power wiring
• Check all the electrical terminals tightening
• Set-up compressors overload relays
• Set-up fan-motors overload relays
Electrical control wiring
• Check all the electrical terminals tightening
• Check all the pressostats
• Check and set-up the chiller unit control module
• Test and start-up without the electrical power
Condenser
• Check direction of the rotation of fans
• Check the isolation of the motors using a 500V
DC megohmeter which meets manufacturer’s
specifications (minimum value 500 megohms)
Operating parameters statement
• Switch on main power supply switch
• Start the water pump(s) and check there is no
cavitation
• Start-up the unit following procedure described in the
CH535 controller user guide. The unit and the chilled
water pumps contactor must be connected together
• After unit start up, leave in operation for at least
15 minutes, to ensure pressures are stabilized
Then check:
• voltage
• compressors and fan-motors currents
• leaving and return chilled water temperature
• suction temperature and pressure
• ambient air temperature
• blowing air temperature
• discharge pressure and temperature
• liquid refrigerant temperature and pressure
• operating parameters
• chilled water pressure drop through
evaporator (if no hydraulic module is installed)
or unit available pressure. It must be in
accordance with Trane order write-up
• superheat: difference between suction
temperature and dew point temperature.
Normal superheat should be within 5 and 7 °C
with R410A in cooling mode
• sub-cooling: difference between liquid
temperature and bubble point temperature.
Normal sub-cooling should be within 2 and
15°C with R410A in cooling mode
• difference between dew point temperature
in high pressure and condenser air inlet
temperature. Normal value on standard unit
with R410A should be 15 to 23°C
• difference between outlet water temperature
and dew point temperature in low pressure.
Normal value on standard unit, without
Ethylene glycol in chilled water, should be
about 3.5°C
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