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VXI 123÷614
Fan Coils Units for built-in installations with 6-speed or EC inverter centrifugal Fans
The VXI 123-614 water terminals are designed to meet all installation requirements, whether vertical or horizontal recessed, with front, rear or bottom intake, in domestic or tertiary environments such as offices, hotels, restaurants,
gyms and shops.
When part of a hydronic system equipped with a Liquid Chiller, the unit generates cool air silently and with instantaneous reaction. While, during the winter, if combined with a thermal system, it provides warm air, making possible to meet home or business heating needs. An easily removable and cleanable air filter absorbs and retains dust in suspension keeping the air quality at a suitable level and allowing the execution of continuous cleaning cycles, which are particularly important to guarantee suitable hygiene standards, especially in highly frequented rooms. The product range is completed with a wide range of accessories, also for 4-Pipe systems, which includes a complete control panel collection, that can be installed on-board or in the room.
Units are available both with 6-Speed or EC Inverter fans. The units equipped with EC Inverter motor modulate the air flow, adapting the performances instant to instant to the actual needs of the room to be conditioned, assuring a total comfort with greater energy savings.
Versions
- VXI/IV - Vertical unit with bottom inlet and vertical delivery
- VXI/IF - Vertical unit with front inlet and vertical delivery
- VXI/IO - Horizontal unit with rear inlet and horizontal delivery
- VXI/II - Horizontal unit with bottom inlet and horizontal delivery
- VXI/IV/EC - Vertical unit with EC Inverter fans, bottom inlet and vertical delivery
- VXI/IF/EC - Vertical unit with EC Inverter fans, front inlet and vertical delivery
- VXI/IO/EC - Horizontal unit with EC Inverter fans, rear inlet and horizontal delivery
- VXI/II/EC - Horizontal unit with EC Inverter fans, bottom inlet and horizontal delivery
Power range
- 1.4-8.4 kW
- 0.4-2.4 Ton
Features
- Load-bearing structure made of galvanized steel-sheet, with internal thermal-acoustic insulation.
- Air filter easy to remove and to wash, made of a metal frame holding filtering section.
- Condensate drain pan provided with natural condensation drain and thermal insulation.
- Heat exchanger coil made of copper pipes and aluminium fins, water connections provided with anti-torsion system, manual air vent and water drain valves.
- Fan section provided with centrifugal fans with double air inlet and last generation plastic blades, directly coupled to the 6-Speed electric motor with 3 speeds connected in the standard configuration.
- Fan section provided with centrifugal fans with double air inlet and last generation plastic blades, directly coupled to the EC Inverter electronic motor. Modulating regulation with 0-10Vdc signal with control panels provided as accessory or with independent regulation system.
- Universal connecting terminal (mounted)
- Standard water connections on the left side in front of the unit. Reversible on site.
Accessories
Factory fitted accessories
- LX Coil water connections on the left side
- RX Coil water connections on the right side
- WS Hot water coil for 4-Pipe system
- EH1 Supplementary electrical heater
- EH2 Supplementary electrical heater enhanced
- BCN1 Connecting terminal for FTN. Suitable for AC versions
- BCN2 Connecting terminal for FTN. Suitable for EC versions
- FTN Dummy frame for version IV
- UCB Universal regulation card with Modbus RTU protocol
- SNA Air temperature sensor for UCB
- SNW2 Summer/winter water temperature probe for UCB
- SNW3 Minimum water temperature probe for UCB
Loose accessories
- MP1 Condensate drain pump for vertical versions
- MP2 Condensate drain pump for horizontal versions
- C1 Auxiliary condensate drain pan for vertical versions
- C2 Auxiliary condensate drain pan for horizontal versions
- S Manual damper
- SMF On/Off motorized damper
- P3M Delivery plenum with circular connections
- P3A Intake plenum with circular connections
- PM Supply plenum
- PR Intake plenum
- P9M 90-degree delivery plenum
- P9A 90-degree intake plenum
- GMS Air delivery grille
- GAF Air intake grill
- V23 3-Way on/off valves for 2-Pipe system
- V23M 3-Way modulating valves for 2-Pipe system
- V25 3-Way On/Off valves with 2 shut-off (ball) for 2-Pipe system
- V25M 3-Way modulating valves with 2 shut-off (ball) for 2-Pipe system
- V22 2-Way On/Off valves for 2-Pipe system
- V22M 2-Way modulating valves for 2-pipe system
- V26 2-Way on/off valves with 2 shut-off (ball) for 2-Pipe system
- V26M 2-Way modulating valves with 2 shut-off (ball) for 2-Pipe system
- V43 3-Way On/Off valves for 4-Pipe system
- V43M 3-Way modulating valves for 4-Pipe system
- V45 3-Way On/Off valves with 4 shut-off (ball) for 4-Pipe system
- V45M 3-Way modulating valves with 4 shut-off (ball) for 4-Pipe system
- V42 2-Way On/Off valves for 4-Pipe system
- V42M 2-Way modulating valves for 4-Pipe system
- V46 2-Way modulating valves with 4 shut-off (ball) for 4-Pipe system
- V46M 2-Way modulating valves with 4 shut-off (ball) for 4-Pipe system
- PHN Aesthetic panel for FTN
- TA1 Wall mounted electronic ambient thermostat for AC versions
- VR1 Wall mounted electronic speed control panel for AC versions
- DR1 Wall-mounted manual electronic control panel for AC versions
- DR2 Wall mounted automatic electronic control panel for AC versions
- DRH1 Wall mounted configurable electronic control panel for AC versions
- DRH2 Wall mounted configurable electronic control panel for AC/EC versions
- IRC Digital wall control panel for UCB
- MC4 Multicontrol connection card for AC version
- SNW4 Water temperature probe
- TMB3 Minimun hot water temperature thermostat 32°C
- TMB4 Minimum hot water temperature thermostat 42°C
Technical data
| 123 | 124 | 233 | 234 | 343 | 344 | 463 | 464 | 573 | 574 | 613 | 614 | |||
| Cooling | Total cooling capacity (1, 2) | kW | 1,36 | 1,60 | 2,04 | 2,41 | 3,20 | 3,70 | 4,65 | 5,20 | 5,82 | 6,30 | 7,50 | 8,44 |
| Sensible cooling capacity (1, 2) | kW | 1,22 | 1,38 | 1,76 | 2,00 | 2,51 | 2,90 | 3,95 | 4,41 | 4,92 | 5,24 | 6,60 | 7,20 | |
| Water flow (1, 2) | l/h | 233 | 275 | 350 | 414 | 549 | 635 | 798 | 892 | 999 | 1081 | 1287 | 1448 | |
| Pressure drops (1, 2) | kPa | 2 | 15 | 4 | 22 | 10 | 12 | 25 | 18 | 40 | 33 | 20 | 15 | |
| Heating | Heating capacity (3, 2) | kW | 1,89 | 1,97 | 2,81 | 2,94 | 3,75 | 4,26 | 5,93 | 6,47 | 7,57 | 7,79 | 9,88 | 10,45 |
| Water flow (3, 2) | l/h | 329 | 342 | 490 | 513 | 653 | 741 | 1032 | 1128 | 1319 | 1357 | 1721 | 1821 | |
| Pressure drops (3, 2) | kPa | 2 | 16 | 6 | 25 | 11 | 13 | 31 | 22 | 41 | 39 | 21 | 16 | |
| Rows | Quantity | n° | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Water connections | In / Out | "G | ½" | ½" | ½" | ½" | ½" | ½" | ½" | ½" | ½" | ½" | ½" | ½" |
| Air flow | Max | m³/h | 368 | 389 | 472 | 498 | 676 | 713 | 966 | 1019 | 1104 | 1166 | 1740 | 1836 |
| Med | m³/h | 261 | 276 | 365 | 385 | 509 | 538 | 720 | 760 | 851 | 899 | 1547 | 1633 | |
| Min | m³/h | 186 | 197 | 239 | 252 | 346 | 365 | 477 | 504 | 537 | 567 | 1381 | 1457 | |
| Air flow (EC version) | Max | m³/h | 368 | 389 | 472 | 498 | 676 | 713 | 966 | 1019 | 1104 | 1166 | 1740 | 1836 |
| Min | m³/h | 186 | 197 | 239 | 252 | 346 | 365 | 477 | 504 | 537 | 567 | 1381 | 1457 | |
| Additional coil | Heating capacity (4, 2) | kW | 1,60 | 1,65 | 2,29 | 2,39 | 3,39 | 3,59 | 4,59 | 4,79 | 5,65 | 5,79 | 7,98 | 8,18 |
| Water flow (4, 2) | l/h | 140 | 144 | 201 | 210 | 297 | 315 | 402 | 420 | 495 | 507 | 700 | 717 | |
| Pressure drops (4, 2) | kPa | 10 | 11 | 13 | 14 | 23 | 25 | 10 | 11 | 13 | 14 | 23 | 24 | |
| Rows | n° | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Water connections (In / Out) | "G | ½" | ½" | ½" | ½" | ½" | ½" | ½" | ½" | ½" | ½" | ½" | ½" | |
| EH1 Electrical heater | Power supply | V/Ph/Hz | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 |
| Absorbed power | kW | 0,7 | 0,7 | 1,0 | 1,0 | 1,5 | 1,5 | 2,0 | 2,0 | 2,0 | 2,0 | 2,0 | 2,0 | |
| EH2 Electrical heater | Power supply | V/Ph/Hz | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 |
| Absorbed power | kW | 1,0 | 1,0 | 1,5 | 1,5 | 2,0 | 2,0 | 3,0 | 3,0 | 3,0 | 3,0 | 3,0 | 3,0 | |
| Electrical characteristics | Power supply | V/Ph/Hz | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 |
| Max absorbed power | kW | 0,05 | 0,05 | 0,07 | 0,07 | 0,07 | 0,07 | 0,13 | 0,13 | 0,15 | 0,15 | 0,21 | 0,21 | |
| Electrical characteristics (EC version) | Power supply | V/Ph/Hz | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 | 230/1/50-60 |
| Max absorbed power | kW | 0,05 | 0,05 | 0,06 | 0,06 | 0,06 | 0,06 | 0,07 | 0,07 | 0,07 | 0,07 | 0,17 | 0,17 | |
| Sound pressure | Max (5) | dB(A) | 44 | 46 | 48 | 49 | 45 | 45 | 51 | 53 | 54 | 56 | 59 | 60 |
| Med (5) | dB(A) | 35 | 37 | 41 | 42 | 38 | 38 | 45 | 45 | 48 | 49 | 57 | 58 | |
| Min (5) | dB(A) | 28 | 28 | 33 | 33 | 28 | 28 | 36 | 36 | 37 | 37 | 53 | 54 | |
| Sound pressure (EC version) | Max (5) | dB(A) | 44 | 46 | 48 | 49 | 45 | 45 | 51 | 53 | 54 | 56 | 59 | 60 |
| Min (5) | dB(A) | 28 | 30 | 31 | 32 | 30 | 30 | 34 | 35 | 34 | 36 | 52 | 52 | |
| Weights | Transport weight | kg | 13 | 13 | 16 | 17 | 22 | 23 | 26 | 27 | 30 | 31 | 34 | 37 |
| Operating weight | kg | 11 | 11 | 14 | 14 | 20 | 21 | 23 | 24 | 27 | 28 | 30 | 33 | |
Dimensions
| 123 | 124 | 233 | 234 | 343 | 344 | 463 | 464 | 573 | 574 | 613 | 614 | |||
| L | STD/EC | mm | 450 | 450 | 650 | 650 | 850 | 850 | 1050 | 1050 | 1250 | 1250 | 1450 | 1450 |
| W | STD/EC | mm | 215 | 215 | 215 | 215 | 215 | 215 | 215 | 215 | 215 | 215 | 215 | 215 |
| H | STD/EC | mm | 450 | 450 | 450 | 450 | 450 | 450 | 450 | 450 | 450 | 450 | 450 | 450 |
Notes
- 1 Ambient air temperature 27 °C d.b./19 °C w.b., water temperature 7/12 °C.
- 2 Performances also valid for EC version.
- 3 Ambient air temperature 20 °C d.b., water temperature 45/40 °C,
- 4 Ambient air temperature 20 °C d.b., water temperature 65/55 °C.
- 5 Sound pressure level measured at 1 m from the unit with reverberation time 0,5 s.
- N.B. (1) Maximum inlet water temperature 90 °C.
- N.B. (2) Inhibited ethylene glycol can be added to the water.
- N.B. (3) Maximum operating pressure 1500 kPa.