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RTQ/IK/EC 101÷181
Single or double skin packaged roof top units with scroll Inverter compressor and EC Inverter Plug-Fan
The single skin 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 Scroll compressors 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 with high energy efficiency backward blades, managed by an electronic control adjusting fans' rotational speed to adapt the air flow to the system capacity. The unit can easily adapt to different engineering needs thanks to the possibility of selecting onsite the air flow direction, choosing among different positions of both intake and output air direction. For MS versions it is possible to connect an additional enthalpy wheel heat recovery module.
The units are compliant to the ErP Regulation.
Versions
- RTQ/IK/EC - Cooling only
- RTQ/IK/EC/WP - Reversible heat pump
- RTQ/IK/EC/MS - Cooling only with Free-Cooling section (2 dampers)
- RTQ/IK/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
- Structure of base perimeter made of steel sheet elements galvanised, passive treated and press-bent. The frame is made of extruded aluminium alloy profiles connected by 3 way joints. The assembling of the base to the frame is of dual support with bottom panels installed without sticking out screws. The perimeter panels are made of pre-painted sheet metal, easily removable, and allow access to the inside of the unit for maintenance. The panels on the air-handling side are provided with insulation material made of 6 mm polyethylene foam (density 33 kg/m³), while those on the condensate side are provided with insulation made of 20 mm polyurethane foam with a ridged profile for sound absorption (density 25 kg/m³). By selecting the DBK option, the unit will be supplied with 25 mm thick sandwich panels (with polyurethane foam insulation with a minimum density of 45 kg/m³).
- 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.
- EC INVERTER PLUG-FAN delivery fan with high energy efficient reversed blades with external rotor motor and electronic speed adjustment for easy adaptation to plant features.
- Electronic expansion valve.
- R410A refrigerant.
- Electrical board includes: disconnector switch with door lock; circuit breakers to protect each electrical utility (compressor, fans, etc.) contactors for the fan motors of the air treatment section and for the condensation fans; interface relays and push-in type terminals for easy and safe wiring including external customer connections.
- Electronic proportional device: condensation control that allows the speed of the condensing-side fans to be adjusted according to the required load, allowing the sound level of the unit to be attenuated.
- Microprocessor for the automatic control of the unit.
- Communication with Modbus RTU protocol through RS485 serial interface.
- 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).
Accessories
Factory fitted accessories
- DBK Double skin
- 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
- CH Enthalpic control
- SQ Air quality probe
- SQO Air quality probe (Co2)
- SQV Air quality probe (Co2+VOC)
- SC Smoke sensor
- SB Fire sensor
- PF Differential pressure switch filters control
- IST Modbus TCP/IP protocol, Ethernet port
- ISB BACnet MSTP protocol, RS485 serial interface
- 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
- 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 F-Module
- AG4 Rubber shock absorbers for RWH and RWH1 modules
Technical data
| 101 | 121 | 151 | 181 | |||
| Cooling | Cooling capacity (1) | kW | 19,1 | 24,4 | 31,1 | 41,6 |
| Absorbed power (1) | kW | 6,0 | 8,1 | 9,6 | 14,6 | |
| EER (1) | 3,18 | 3,01 | 3,24 | 2,76 | ||
| Cooling (EN 14511) | Cooling capacity (1) | kW | 18,9 | 24,0 | 30,6 | 40,7 |
| Absorbed power (1) | kW | 5,8 | 7,9 | 9,3 | 14,1 | |
| EER (1) | 3,26 | 3,04 | 3,29 | 2,78 | ||
| SEER (2) | 4,71 | 4,36 | 4,57 | 3,87 | ||
| Energy Efficiency (2) | % | 185 | 171 | 180 | 152 | |
| Heating | Heating capacity (3) | kW | 19,4 | 24,6 | 31,1 | 43,9 |
| Absorbed power (3) | kW | 5,8 | 7,4 | 9,3 | 13,8 | |
| COP (3) | 3,34 | 3,32 | 3,34 | 3,18 | ||
| Heating (EN14511) | Heating capacity (3) | kW | 19,8 | 25,1 | 31,8 | 45,0 |
| Absorbed power (3) | kW | 5,7 | 7,2 | 9,0 | 13,4 | |
| COP (3) | 3,47 | 3,49 | 3,53 | 3,36 | ||
| SCOP (4) | 3,68 | 3,61 | 3,42 | 3,39 | ||
| Energy Efficiency (4) | % | 144 | 141 | 134 | 133 | |
| Air treatment section | Air flow | m³/s | 1,04 | 1,39 | 1,78 | 2,17 |
| Available static pressure | Pa | 100 | 120 | 120 | 150 | |
| Fan | n° | 1 | 1 | 1 | 1 | |
| Filters | Tipo | G4 | G4 | G4 | G4 | |
| Condensing section | Compressor | n° | 1 | 1 | 1 | 1 |
| Refrigerant circuits | n° | 1 | 1 | 1 | 1 | |
| Capacity steps | % | Stepless | Stepless | Stepless | Stepless | |
| Electrical heater | Power supply | V/Ph/Hz | 400/3/50 | 400/3/50 | 400/3/50 | 400/3/50 |
| Heating capacity | kW | 18 | 18 | 24 | 24 | |
| Steps | n° | 2 | 2 | 2 | 2 | |
| Electrical characteristics | Power supply | V/Ph/Hz | 400/3/50 | 400/3/50 | 400/3/50 | 400/3/50 |
| Max. running current | A | 19 | 23 | 32 | 43 | |
| Max. starting current | A | 11 | 11 | 12 | 12 | |
| Sound pressure | STD version (5) | dB(A) | 71 | 71 | 72 | 74 |
| STD version with SL accessory (5) | dB(A) | 68 | 68 | 69 | 71 | |
| Weights | Transport weight | kg | 610 | 615 | 805 | 815 |
| Operating weight | kg | 605 | 610 | 800 | 810 | |
Dimensions
| 101 | 121 | 151 | 181 | |||
| L | STD/MS | mm | 1950 | 1950 | 2200 | 2200 |
| W | STD/MS | mm | 1450 | 1450 | 1750 | 1750 |
| H | STD/MS | mm | 1435 | 1435 | 1470 | 1470 |
Notes
- 1 Evaporator inlet air temperature 27 °C d.b./19 °C w.b.; ambient air temperature 35 °C.
- 2 Seasonal energy efficiency of cooling. According to EU Regulation n. 2016/2281.
- 3 Condenser inlet air temperature 20 °C, ambient air temperature 7 °C d.b./6 °C w.b.
- 4 Seasonal energy efficiency of heating with average climatic conditions. According to EU Regulation n. 2016/2281.
- 5 Sound pressure level measured in free field conditions at 1 m from the unit. According to ISO 3744.
- N.B. (1) Weights of WP version are specified on technical brochure.