URT/EC 20÷45 S/IK
Double skin packaged Roof Top units with Inverter Scroll compressor and EC Inverter Plug-Fan
- Fans: EC inverter plug-fans
- Compressors: Inverter Scroll
- Refrigerant: R410A, R454B
The packaged Roof Top units of this series are the ideal solution for air conditioning of medium surfaces such as shopping malls, restaurants and canteens. These units are equipped with Inverter Scroll compressor with R410A refrigerant, and are available in Cooling only and reversible Heat Pump version, also with Free-Cooling with 2 dampers. It is equipped with EC Inverter Plug-Fans, managed by an electronic control adjusting fans' rotational speed to adapt the air flow to the system capacity. For MS versions it is possible to connect an additional enthalpy wheel heat recovery module.
The units are compliant to the ErP Regulation.
Versions
- URT/EC - Cooling only
- URT/EC/WP - Reversible Heat Pump
- URT/EC/WP/MS - Reversible Heat Pump with Free-Cooling section (2 dampers)
Power range
- 19,0-42,0 kW
- 5,4-12,0 Ton
Features
- INVERTER Scroll compressor with oil sight glass, internal overheat protection, crankcase heater and soundproofing cover.
- Condenser and evaporator with copper tube and aluminium finned coil.
- Electronic expansion valve.
- Microprocessor for the automatic control of the unit.
- MS. Free-Cooling section with 2 dampers - Further to components of the basic version, includes two aluminium dampers with spring return servomotors (dampers with opposite movement).
- Communication with Modbus RTU protocol through RS485 serial interface.
Accessories
Factory fitted accessories
- SL Unit silencement
- ECA EC Inverter fans on condensing section
- TXC Condensing coil with pre-coated fins
- TXE Evaporating coil with pre-coated fins
- FT7 Plate filters efficency ePM1 50% (F7)
- FT8 Plate filters efficency ePM1 65% (F8)
- AT Constant air flow regulation control
- AT/P Constant available static pressure regulation control
- AT/C Control adjustment of the air flow according to the load
- EHG Electrical heater with step regulation
- SC Smoke sensor
- SB Fire sensor
- PF Differential pressure switch filters control
- IST Modbus TCP/IP protocol, Ethernet port
- ISBT BACnet IP protocol, Ethernet port
- ISS SNMP protocol, Ethernet port
- IAV Remote set-point, 0-10V signal
- IAA Remote set-point, 4-20mA signal
- IAS Remote signal for second set-point activation
- IDL Demand limit from digital input
- MN High and low pressure gauges
- CH Enthalpic control
- SQ Air quality probe
- SQO Air quality probe (CO2)
- SQV Air quality probe (CO2+VOC)
- CS Dampers rain hood
Loose accessories
- CR Remote control panel
- CDT Touch Screen room thermostat with unit visualization
- RP Coils protection metallic guards
- AG Rubber shock absorbers
- AG3 Rubber shock absorbers for gas burner section
- AG4 Rubber shock absorbers for wheel heat recovery