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Communication Interface Options
Percent capacity output
The controller provides an analog voltage output
(0-10 VDC) to communicate active unit capacity [%].
This signal is available on option module 1A4, Terminal
FWD
block J2 – Y1, identified on the wiring diagram as S1.
Power supply
Capacities
General
Cooling capacity on water (1)
Heating capacity on water (2)
Fan motor
WARNING Ground wire! All field-installed wiring must
Fan power input (3)
be complete by qualified personnel, and comply with
Current amps (3)
the local codes and regulations. Failure to follow this
Start-up amps
Air flow
instruction could resut in death or serious injury.
minimum
Field wiring for the communication link must meet the
nominal
maximum
following requirements:
Main coil
• All wiring must be in accordance with local codes and
Water entering/leaving connections
regulations.
Electric heater (accessory for blower only)
Electric power supply
Heating capacity
Hot water coil (accessory for blower only)
Communication wiring
Heating capacity (4)
G2 filter (filter box accessory)
Quantity
A
Dimensions ( LxWxth)
G4 filter (filter box accessory)
Quantity
Dimensions ( LxWxth)
Condensate pump (accessory)
Water flow - lift height
Not available for FWD30 and FWD45
Sound level (L/M/H speed)
Sound pressure level (5)
Sound power level (5)
Unit dimensions
Width x Depth
Height
Shipped unit dimensions
Width x Depth
Height
Weight
Colour
Recommended fuse size
A = LonTalk communication
Unit alone (aM/gI)
B = BACnet communication
Unit with electric heater (gI)
C = ModBus Communication
(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
D = pCOWeb Communication
(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.
LonTalk Communication
(5) A rectangular glass wool duct 1m50 long is placed on the blower.The measurement is taken in the room containing the blower unit.
Unit chiller controller provides integrated LonTalk
Heat exchanger operating limits:
communication between chiller and the Building
FWD:
*water temperature: max 100° C
Automation System (BAS). The input/outputs include
*absolute service pressure: min 1 bar/max 11 bars
both mandatory and optional network variables
Accessories - Hot water coil:
as established by the LonMark Functional Chiller
*water temperature: min. +2° C/max. 100° C
Profile 8040.
*absolute service pressure: min 1 bar/max 11 bars
Installation Recommendations
The Lon interface uses an Echelon FTT-10 transceiver,
which is approved to be used on the TP/FT-10 channel.
This channel is characterized by the following main
features:
• It consists of up to 60 nodes on a single network
segment
• Data rate : 78 125 kbps
• Maximum distance : 1400 meters
• Recommended topology : daisy chain with double end
terminator (105 ohms)
4
34
Technical Data
08
(V/Ph/Hz)
(kW)
5,2
(kW)
6,3
(type)
(kW)
0,23
(A)
1,1
(A)
3,2
(m
/h)
490
3
(m
/h)
820
3
(m
/h)
980
3
(type)
(Dia)
3/4"
(V/Ph/Hz)
230/1/50
(kW)
2/4
(kW)
6,3
2
B
(mm)
386x221x8
-
(mm)
-
(type)
(l/h - mm)
(dB(A))
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)
• Communication link wiring must be shielded, twisted
pair wiring (Belden 8760 or equivalent), below table
provides recommendation for wire size selection:
• The communication link cannot pass between
buildings
12
230/1/50
• All units on the communication link can be connected
in a "daisy chain" configuration.
8,3
11,9
18,9
Note: to prevent control malfunctions, do not run low
2 x direct drive centrifugal
voltage wiring (< 30 V) in conduit with conductors
0,46
0,65
carrying more than 30 V.
2,2
3,1
5,5
9,3
Table 5 - Wire Size
980
1400
1650
2300
Wire Size Maximum Length
1970
2600
Ø
of Communication Wire
ISO R7 rotating female
2.5 mm²
3/4"
1 1/2"
1.5 mm²
230/1/50 or 400/3/50
400/3/50
8
1.0 mm²
12
17,4
2
C
486x271x8
586x321x8
2
486x264x48
586x314x48
Centrifugal
24 - 500
38/41/44
46/50/53
48/51/54
56/60/63
1090 x 710
1290 x 820
300
350
1133 x 754
1333 x 864
310
360
46
galvanised steel
For futher details, refer to the official documentation
8/16
8/16
LonWorks® FTT-10A free topology transeiver user's
40 (230V),3*16 (400V)
3*20
guide and to the official LonWorks® guidelines
LonMark® layer 1-6 interoperability guidelines
version 3.0.
These documents and additional information are
available on the internet site www.lonmark.org
BACnet Communication
Unit chiller controller provides integrated BACnet
communication between chiller and the Building
Automation System (BAS).
ModBus Communication
Unit chiller controller provides integrated ModBus
communication between chiller and the Building
Automation System (BAS).
pCOWeb Communication
Unit chiller controller provides integrated pCOWeb
communication between chiller and the Building
Automation System (BAS).
20
30
45
15
18,8
30,1
20,9
38,2
1,04
1,51
4,7
5,5
14,1
16,5
1800
2700
3000
4500
3600
5400
1525 m
1 1/2"
1 1/2"
610 m
400/3/50
400/3/50
10
12
12
305 m
22,4
34,5
2
2
D
586*421*8
586*621*8
2
2
586*414*48
586*614*48
47/52/57
47/52/58
57/62/67
57/62/68
1290 x 970
1290 x 1090
450
650
1333 x 1008
1333*1133
460
660
61
76
118
8/25
8/25
3*25
3*25
CG-SVX027D-GB
UNT-PRC002-GB
2
2
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