Svalbard-I-VAV

SVALBARD-I-VAV

SUPPLY AIR CHILLED BEAM WITH INTEGRATED VAV FUNCTION FOR CEILING INSTALLATION

Ceiling-integrated installation
Length from 1200 to 2400 mm
Pressure-independent VAV solution integrated
Optional bus protocol for VAV control

General information

Application

Svalbard-I VAV is used for demand-controlled ventilation as well as hydronic cooling and heating in offices, retail premises, and educational facilities. The unit is designed to deliver high cooling capacity without causing draught in the occupied zone. Svalbard- I VAV is designed for integration in standard T-bar suspended ceiling systems with 600 mm module.

Functional description

The unit has an integrated VAV damper that regulates the primary airflow according to demand. Supply air is introduced via fixed nozzles, meaning that the nozzle area remains unchanged regardless of the current airflow rate. The airflow induces room air that is drawn through the coil, ensuring efficient mixing and reducing the risk of draught. The damper solution can throttle high pressures at large airflow rates while maintaining a low sound level.

Svalbard-I VAV can be supplied with several different bus communication options for connection to BMS systems. The control range of Svalbard-I VAV is shown in Table 2.

Measurement deviation by range:

10–20% of nominal: ±25%

20–40% of nominal: <±10%

40–100% of nominal: <±4%

In T-duct situations, a straight duct length of at least 5 x ØD is recommended to maintain the same measurement accuracy.

Design

Svalbard-I VAV is designed as a complete measurement and control unit for demand-based airflow control.

• VAV control: Integrated damper solution at the beam inlet, corresponding to the functionality of other TROX products.

• Nozzles: Supplied with fixed nozzle configuration. The nozzles are factory preset but can be manually adjusted on site if required.

• Motor options: Supplied with external rotary actuator from Belimo or Siemens for easy access via the ceiling. Regulator specifications are shown in Table 1. Complete technical documentation can be downloaded from www.belimo.eu and www.siemens.com.

• Water side: Coils are supplied as standard cooling coil (SKB), high-capacity coil (HKB), or combined heating and cooling coil (VKB). Connection via Ø15 mm copper pipes.

• Air side: Ø125 mm connection with integrated measuring cross for differential pressure measurement.

• Flexibility: The front panel is hinged for inspection, and the air distribution pattern can be manually adjusted with Jet Split vanes.

Material and surfaces

Frame and casing are made of galvanized sheet steel. The coil consists of copper tubes with aluminum fins. The unit is supplied as standard painted white RAL 9003, gloss level 30. The measuring cross is made of aluminum, while hoses and nipples are made of plastic.

Size

For accurate calculation of cooling capacity, sound power level, and pressure drop, the AURASIM simulation program is used.

Commissioning

Svalbard-I VAV is delivered factory preset according to the order. If nozzle opening adjustment is required on site, a locking screw is loosened so that the nozzle slide can be manually adjusted. For damper motor commissioning, service tools such as Belimo ZTH-VAV or Siemens AST20 are used.

Maintenance

Full access to the coil and control unit is ensured by swinging down the bottom panel of the beam. Vacuum cleaning of the coil or cleaning with a damp cloth is recommended as needed.

Technical information

Table 1, tecnical specification of VAV-regulator:

1	2	3	4	5
Belimo	LMV-D3-MP/MOD/BAC/KNX	AC 24 V 50/60 Hz, DC 24V	2 W	4 VA (max. 8 A @5 ms)
Siemens	GDB181.1E/KN (5Nm)(KNX)	AC 24 V 50/60 Hz	0.5 W	1 VA
Siemens	GDB181.1E/BA (5Nm)(BACnet)	AC 24 V	0.5 W	1 VA

1 Manufacturer
2 Actuator
3 Operating voltage
4 Power consumtion
5 Dim. effect

Table 2, Max-Min airflow m3/h:

Dim	1	2
1200	265	26
1800	265	26
2400	265	26

1 Max (Vnom)
2 Min

Svalbard-I-VAV

1800

D37

SL-RAL

1 Type
Svalbard-I-VAV Chilled ceilings

2 Nominal size
1200 mm
1800 mm
2400 mm

3 Control components
0 Belimo MP-Bus
3 Belimo Modbus

4 Belimo Bacnet
7 Belimo KNX
10 Siemens KNX
11 Siemens Bacnet
45 Siemens Modbus
46 Belimo Modbus for OX
46.1 Belimo Modbus for Ox with FAM-W MOD-1 (assembled)
46.2 Belimo Modbus for Ox with FAM-W MOD-2 (assembled)

4 Plug
0 None
W1 Wago 4 pol.Midi,Grey ⇒ (W1 = only for controll component 0)
W2 Wago 4 pol.Midi,Green ⇒ (W2 = only for controll components 3,4,7,10,11,45)

5 Nozzle position
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
D16
D17
D18
D19
D20
D21
D22
D23
D24
D25
D26
D27
D28

D29
D30
D31
D32
D33
D34
D35

D36

D37

6 Coil type

SK Standard cooling coil
HK High capasity cooling coil
VK Heating and cooling coil

7 Sensor option
0 no sensor
X1 X-SENSE TPDM 1M (Motion/temp MOD) ⇒ (X1 = only for controll components 46, 46.1 and 46.2)

X5 X-SENSE TPDM 5M (Motion/temp MOD) ⇒ (X5 = only for controll components 3 and 45)

8 Exposed surface
0 RAL 9003 gloss 30
SL-RAL Special coat RAL

SL-NCS Special coat NCS

9 Labeling scheme
0 None
MS With labeling scheme

Downloads

product information

Product data sheet Svalbard-I-VAV

SBI-V_PD_2026_05_26_DE_en Product data sheet 2,8 MB pdf

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