CG-SVX027E-GB
54
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
Troubleshooting Guide
Problems Symptoms Problem causes Action Recommended
(E) Loss of oil in compressor
Oil level too low in indicator Not enough oil
ContactTraneocebefore
ordering oil
Gradual fall in oil level Filter drier clogged Replacelterdrier
Suction line too cold.
Compressor noisy
Liquidowsbacktocompressor
Adjust superheat and check bulb
xingoftheexpansionvalve
(F) Compressor noisy
Compressor knocks Components broken in compressor Change compressor
Suction duct abnormally cold
(a) Unevenliquidow
(b) Expansion valve locked in open
position
(a) Check superheat setting
(b) Repair or replace EXV
(G) Insucient cooling capacity
Expansion valve “whistles” Not enough refrigerant
Check refrigerant circuit tightness
and add refrigerant
Excess pressure drops through
lterdrier
Filter drier clogged Replacelterdrier
Excessive superheat Superheat not properly adjusted
Check adjustment of superheat
and adjust expansion valve
Insucientwaterow Chilled water pipes obstructed Clean pipes and strainer
(H) Discharge pressure too high
Condense abnormally hot
Presence of uncondensables
liquids in the system, or excess of
refrigerant
Purgeuncondensableuidsand
drainoexcessrefrigerant
Chilled water leaving temperature
too high
Overload on cooling system
Reduce load on system.
Reducewaterowifnecessary
Condenser air output too hot
Reducedairow.Airintake
temperaturehigherthanspecied
for the unit
Cleanandreplaceairlters.Clean
coils. Check operation of the fan
motors
(I) Suction pressure too high
Compressors operates
continuously
Suction duct abnormally cold.
Refrigerantowsbacktothe
compressor
Excess cooling demand on
evaporator:
(a) Expansion valve too far open
(b) Expansion valve locked in an
open position
Check system:
(a) Check the superheat and check
that expansion valve
(b) Replace EXV
(J) Suction pressure too low
Excessive pressure drop through
lterdrier.
Refrigerantdoesnotowthrough
thermostatic expansion valve
Filter drier clogged.
Expansion valve not operating
properly
Replacelterdrier
Replace EXV
Loss of power Expansion valve obtured Replace EXV
Superheat too low
Excessive pressure drops through
evaporator
Check adjustment of superheat an
adjust EXV
(K) Insucient cooling capacity
Low pressure drops through
evaporator
Lowwaterowrate
Checkwaterowrate.Check
state of strainer, check for
obstruction in chilled water pipes,
check pressure switch contact in
water