10
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-SVU007D-GB
Table 4 –
Status, Warning and Alarm messages
N° Message
Reset
Type
Unit Status Description
1 No Alarm - Unit On See unit status on Main display
2 Alarm Water Pump1 Manual Unit On Defective water pump 1
3 Alarm Water Pump2 Manual Unit On Defective water pump 2
4 User Ckt1 Stop - Circuit 1 Off Circuit 1 Disable by Settings (via keyboard)
5 User Ckt2 Stop - Circuit 2 Off Circuit 2 Disable by Settings (via keyboard)
6 Ext. Ckt1 Stop - Circuit 1 Off Circuit 1 Off by Digital Input (Duplex units)
7 Ext. Ckt2 Stop - Circuit 2 Off Circuit 2 Off by Digital Input (Duplex units)
8 Rem. Ckt1 Stop - Circuit 1 Off Circuit 1 Disable by Supervision
9 Rem. Ckt2 Stop - Circuit 2 Off Circuit 2 Disable by Supervision
10 Clock Unit Stop - Unit Off Unit Off by Program (Hourly, Weekly)
11 Operator Stop - Unit Off Unit Off by Operator (via keyboard)
12 Phase Fault Auto Unit Off Phase Loss or Phase Reversal
13 Warning Ckt1 LP Limit Auto Circuit 1 Limit
Suction pressure on circuit 1 is below the setpoint
(1.5barG).
14 Warning Ckt2 LP Limit Auto Circuit 2 Limit
Suction pressure on circuit 2 is below the setpoint
(1.5barG).
15 Warning Ckt1 HW Limit Auto Circuit 1 Limit
Leaving water temperature is above the setpoint
(Default value: 25°C).
16 Warning Ckt2 HW Limit Auto Circuit 2 Limit
Leaving water temperature is above the setpoint
(Default value: 25°C).
17 Warning Ckt1 HP Limit Auto Circuit 1 Limit
Discharge pressure on circuit 1 is above the
setpoint (Default value: 43.1barG).
18 Warning Ckt2 HP Limit Auto Circuit 2 Limit
Discharge pressure on circuit 2 is above the
setpoint (Default value: 43.1barG).
19 Warning Ckt1 HT Limit Auto Circuit 1 Limit
Discharge temperature on circuit 1 is above the
setpoint (Default value: 128°C).
20 Warning Ckt2 HT Limit Auto Circuit 2 Limit
Discharge temperature on circuit 2 is above the
setpoint (Default value: 128°C).
21 Warning Ckt1 CIPD Limit Auto Circuit 1 Limit
Compressor Involute Pressure Differential on
circuit 1 is above 22.2barG or above 18.6barG
during 25min.
22 Warning Ckt2 CIPD Limit Auto Circuit 2 Limit
Compressor Involute Pressure Differential on
circuit 2 is above 22.2barG or above 18.6barG
during 25min.
23
Warning Low SuperHeat
ckt1
Auto Circuit 1 Off Super Heat on circuit 1 is below low limit (2°C)
24
Warning Low SuperHeat
ckt2
Auto Circuit 2 Off Super Heat on circuit 2 is below low limit (2°C)
25
Alarm Outside Air Temp
Auto Unit Off
Ambient temperature is out of range for unit
operation:
Cooling: Too Low Cooling mode: below -10°C (default value)
Heating: Out of Range
Heating mode: below -15°C (default value) or
above 29°C.
26 Ckt1 Defrost - Unit On Defrost on Circuit 1
Alarms