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Alarms
Alarms display and resetting
A fault on a unit will be shown through the user interface
or through 2 digital outputs, one for each refrigerant
circuit. The alarms are divided into 3 categories:
FWD
Warning: Shows that something is wrong on the unit but
Power supply
unit can be kept in operation. A message is displayed
Capacities
Cooling capacity on water (1)
on the user interface screen. These messages are not
Heating capacity on water (2)
recorded in the history list.
Fan motor
Fan power input (3)
Fault with automatic reset: when the cause of the fault
Current amps (3)
disappears, the fault is cancelled and unit operation
Start-up amps
will return to normal. The messages displayed on the
Air flow
user interface screen disappear but are recorded in the
minimum
nominal
history list of faults. The fault is relayed through the
maximum
digital output if I/O parameter is set to show a circuit
Main coil
fault.
Water entering/leaving connections
Fault with manual reset: when the cause of the fault
Electric heater (accessory for blower only)
disappears, a manual reset is required to restart the unit.
Electric power supply
Heating capacity
The messages displayed on the user interface screen
Hot water coil (accessory for blower only)
disappear and are recorded in the history list of faults.
Heating capacity (4)
The fault is relayed through the digital output if I/O
G2 filter (filter box accessory)
parameter is set to show a circuit fault.
Quantity
Dimensions ( LxWxth)
G4 filter (filter box accessory)
Should an alarm occur,
Quantity
Dimensions ( LxWxth)
Condensate pump (accessory)
Pressing
once will display the alarm message (refer
Water flow - lift height
to Table 6 for possible messages)
Not available for FWD30 and FWD45
Sound level (L/M/H speed)
When alarm message is displayed press
Sound pressure level (5)
Sound power level (5)
the default if necessary.
Unit dimensions
Width x Depth
Height
Shipped unit dimensions
Width x Depth
Height
Weight
Colour
Recommended fuse size
Unit alone (aM/gI)
Unit with electric heater (gI)
(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
10
4
Technical Data
08
(V/Ph/Hz)
(kW)
5,2
(kW)
6,3
(type)
(kW)
0,23
(A)
1,1
(A)
3,2
(m
3
/h)
490
(m
3
/h)
820
(m
3
/h)
980
(type)
(Dia)
3/4"
(V/Ph/Hz)
230/1/50
(kW)
2/4
(kW)
6,3
(mm)
386x221x8
will be lit in red.
(mm)
(type)
(l/h - mm)
(dB(A))
to reset
36/40/43
(dB(A))
46/50/53
(mm)
890 x 600
(mm)
250
(mm)
933 x 644
(mm)
260
(kg)
32
(A)
8/16
(A)
16 (2kW),25 (4kW)
12
8,3
11,9
0,46
2,2
5,5
980
1650
1970
3/4"
230/1/50 or 400/3/50
8
12
2
2
486x271x8
-
2
-
486x264x48
38/41/44
48/51/54
1090 x 710
300
1133 x 754
310
46
8/16
40 (230V),3*16 (400V)
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
46/50/53
47/52/57
56/60/63
57/62/67
1290 x 820
1290 x 970
350
450
1333 x 864
1333 x 1008
360
460
61
76
galvanised steel
8/16
8/25
3*20
3*25
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
47/52/58
57/62/68
1290 x 1090
650
1333*1133
660
118
8/25
3*25
CG-SVU007C-GB
UNT-PRC002-GB
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