Heat recovery unit
UTNR-A PlatinumFresh air terminal units with counterflow opposing flow static heat recovery.
Features
Key features
Horizontal or Vertical Version
Very high efficiency heat recovery Eurovent Certificate
Multi-speed or Brushless EC fans
F7 and M5 high efficiency filters
Double sandwich wall with high insulation capacity
Description
Construction features
• Recovery unit: very high yield static type with aluminium plates with back-current flows with close step. Extraction of side exchange pack from top or bottom depending on models and versions
• Fans: Outdoor air intake and forward blade dual intake centrifugal exhaust type with a directly coupled electric motor; optionally, EC Brushless technology high efficiency electric motors. The fan unit is installed on anti-vibration mountings to prevent vibrations being transmitted to the structure.
• Structure: frame made with extruded aluminium profile with preloaded nylon joints. Sandwich buffer panels, 23 mm thick, made with galvanised sheet steel on the inside and pre-painted on the outside with thermal and acoustic insulation made of injected polyurethane, with a density of 45 kg/m3.
• Filtering section: filtration sections made of compact cell filters with low pressure drop polypropylene media, removable from the side, with ISO 16890 ePM1 55% efficiency class ( F7 EN 779) in fresh flow and ISO 16890 ePM10 55% ( M5 EN 779) in exhaust flow.
• Factory-installed dirty filter differential pressure switches
• Condensate drain pan made of galvanised sheet steel with condensate drain connection from the bottom.
• Integrated free cooling or thawing by-pass system. Thanks to the presence of a motorised damper next to the heat recovery, a bypass system can be created to manage freecooling or thawing depending on thermo-hygrometric needs or conventions
Versions
• UTNR-A/O PLATINUM - Recovery unit with opposing flow heat exchanger, horizontal installation and with standard multi-speed fans
• UTNRE-A/O PLATINUM - Recovery unit with opposing flow heat exchanger, horizontal installation and with Brushless EC fans that reduce power consumption for ventilation at equal performance.
• UTNR-A/V PLATINUM - Recovery unit with opposing flow heat exchanger, installed vertically and with standard multi-speed fans
• UTNRE-A/V PLATINUM - Recovery unit with opposing flow heat exchanger, installed vertically and with Brushless EC fans that reduce power consumption for ventilation at equal performance.
Available orientation
• 01 - Right-hand connections
• 02 - Left-hand connections
The selected orientation must be specified to process the job order.
Installation
• EXT- Outdoor installation including rain cover, 80 mm-high base and an outdoor electrical box (the kit does not include the roof for any additional accessory modules)
Factory fitted accessories
• BER - PRE-POST - Pre-heating electrical resistance (no frost function) installed inside, complete with filament-type safety thermostats and control relays to contain pressure drops.
• BA - Internal hot water reheating coil.
• BAATG - Antifreeze thermostat installed downstream of the water reheating coil.
• ERF7-F7 efficiency return filter
Separately supplied accessories
• KSBFR - Section containing hot/cold water coil to reheat or recool, placed outside the machine in front of the intake vent. Includes stainless steel condensate drain pan with drain connection from the bottom.
• KSBFR + ATG - Hot/cold water coil section with mounted antifreeze thermostat.
• KSRE - Regulation damper set up for servo-control, consisting of a galvanised sheet steel frame with adjustable fins.
• KSSC - Duct silencer with rectangular baffles in mineral wool covered with a protective film of glass fibre and micro-stretched sheet metal.
• KRMS - Sections with three dampers for air mixing and recirculation (only for horizontal installation).
• KSPC - 4 circular connections
Controls
• KCV2 - Speed selector for wall mounting installation, to select from 3 speeds: Off/heating/cooling switch; 3-speed switch; 230V power supply.
• PCUS – composed from the control unit on board of the unit + WALL LCD display , suitable for controlling units with 3-speed fans or EC Brushless
Functionality: control of the winter/summer ambient temperature, management of: water battery and antifreeze thermostat (ON/OFF or modulating valve control), electrical resistance of preheating and/or post-heating, air dampers, freecooling of heat recovery, air filter pressure switches, CO2 or Humidity sensor for automatic modulation of EC fans, integrated clock for time slot program.
• PCUSM- same functionality as PCUS card with Modbus RTU connection port
• FULL CONTROL- for a description of these controls, please refer to the relevant page
Technical data
| UTNR-A PLATINUM MODEL | 40 | 75 | 100 | 150 | 200 | 320 | 400 | 500 | ||||
| Outdoor air filters | F7 | F7 | F7 | F7 | F7 | F7 | F7 | F7 | ||||
| Return air filters | M5 | M5 | M5 | M5 | M5 | M5 | M5 | M5 | ||||
| TECHNICAL SPECIFICATIONS | ||||||||||||
| Nominal air flow rate | m³/h | 400 | 750 | 1000 | 1500 | 2050 | 3200 | 3800 | 4700 | |||
| STANDARD FANS | ||||||||||||
| Motor type | AC | AC | AC | AC | AC | AC | n.d. | n.d. | ||||
| ❶ | Nominal available static pressure | Pa | 160 | 120 | 180 | 160 | 120 | 180 | n.d. | n.d. | ||
| ❶ | Max. available static pressure | Pa | 160 | 120 | 180 | 160 | 120 | 180 | n.d. | n.d. | ||
| ❷ | Specific fan power (SFP) | W/(m³/s) | 740 | 934 | 1105 | 1102 | 1078 | 1054 | n.d. | n.d. | ||
| ❸ | Sound power level | dB(A) | 58 | 61 | 61 | 64 | 64 | 68 | n.d. | n.d. | ||
| Speed No./Adjustment Type | 3 | 3 | 3 | 3 | 3 | 3 | n.d. | n.d. | ||||
| Electrical supply | V-ph-Hz | 230-1-50 | 230-1-50 | 230-1-50/60 | 230-1-50/60 | 230-1-50/60 | 230-1-50/60 | n.d. | n.d. | |||
| BRUSHLESS EC FANS | ||||||||||||
| Motor type | EC | EC | EC | EC | EC | EC | EC | EC | ||||
| ❶ | Nominal available static pressure | Pa | 160 | 120 | 180 | 160 | 120 | 180 | 200 | 200 | ||
| ❶ | Max. available static pressure | Pa | 340 | 210 | 520 | 500 | 540 | 375 | 330 | 200 | ||
| ❷ | Specific fan power (SFP) | W/(m³/s) | 705 | 742 | 1059 | 1048 | 898 | 1040 | 949 | 935 | ||
| ❸ | Sound power level | dB(A) | 57 | 60 | 59 | 61 | 59 | 64 | 66 | 68 | ||
| Speed No./Adjustment Type | 0-10 V | 0-10 V | 0-10 V | 0-10 V | 0-10 V | 0-10 V | 0-10 V | 0-10 V | ||||
| Electrical supply | V-ph-Hz | 230-1-50 | 230-1-50 | 230-1-50/60 | 230-1-50/60 | 230-1-50/60 | 230-1-50/60 | 230-1-50/60 | 230-1-50/60 | |||
| COUNTERFLOW HEAT RECOVERY | ||||||||||||
| ❹ | Winter Efficiency | % | 83,6 | 82,9 | 81,6 | 83,3 | 83,7 | 86,8 | 84,1 | 84,2 | ||
| ❺ | Summer Efficiency | % | 75,5 | 75,9 | 74,5 | 75,1 | 75,6 | 78 | 75 | 75,1 | ||
| ❻ | Efficiency Regulation EC 1253/2014 | % | 75,9 | 76,4 | 75 | 75,6 | 76 | 76,3 | 75,5 | 75,6 | ||
| OPERATING LIMITS | ||||||||||||
| Outdoor air humidity/temperature limit | °C/% | -5 | ||||||||||
| Outdoor air humidity/temperature limit with KRMS accessory | °C/% | -15 | ||||||||||
| Indoor air humidity/temperature limit | °C/% | +10 | ||||||||||
| DIMENSIONS AND WEIGHTS | 40 | 75 | 100 | 150 | 200 | 320 | 400 | 500 | ||||
| HORIZONTAL vers. length | mm | 1480 | 1940 | 1940 | 2200 | 2200 | 2500 | 2500 | 2500 | |||
| HORIZONTAL vers. height | mm | 380 | 480 | 480 | 550 | 550 | 680 | 680 | 680 | |||
| HORIZONTAL vers. depth | mm | 800 | 990 | 990 | 1000 | 1400 | 1400 | 1400 | 1700 | |||
| HORIZONTAL vers. weight | kg | 90 | 140 | 150 | 170 | 200 | 230 | 260 | 300 | |||
| VERTICAL vers. length | mm | 1480 | 1940 | 1940 | 2200 | 2200 | 2500 | 2500 | 2500 | |||
| VERTICAL vers. depth | mm | 420 | 520 | 520 | 520 | 720 | 720 | 720 | 720 | |||
| VERTICAL vers. height | mm | 830 | 1070 | 1070 | 1080 | 1480 | 1480 | 1480 | 1780 | |||
| VERTICAL vers. weight | kg | 90 | 150 | 160 | 180 | 220 | 250 | 280 | 330 | |||
| Condensate drain | inch | 1/2″ | 1/2″ | 1/2″ | 1/2″ | 1/2″ | 1/2″ | 1/2″ | 1/2″ |
- Data at the following conditions:
- ❶ Values referring to the nominal air flow rate considering the pressure drops of the heat recovery and the F7 filter.
- ❷ Values referring to the nominal air flow rate and Nominal available static pressure.
- ❸ Radiated sound power level from casing.
- ❹ Outdoor air T: -5°C, 80% UR; Ambient air T: 20°C, 50% UR.
- ❺ Outdoor air T: 32°C, 50% UR; Amb. air T: 26°C, 50% UR.
- ❻ Dry nominal conditions, measured according to En 308 in balanced flows. Outdoor air 5°C D.B.; Ambient air 25°C D.B.
- ❺ Outdoor air T: 32°C, 50% UR; Amb. air T: 26°C, 50% UR.
- ❻ Dry nominal conditions, measured according to En 308 in balanced flows. Outdoor air 5°C D.B.; Ambient air 25°C D.B.
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Technical notes
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