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RTQ/IK/EC 101÷181
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.
On request, units can be supplied with R454B refrigerant.
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
- 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.
- 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.
- Proportional electronic control: condensing temperature control achieved by continuously adjusting the rotation speed of the condenser-side fans. This control system reduces noise levels, enables the unit to operate under adverse weather conditions, and ensures optimal defrost management in heat pump units.
- Microprocessor for the automatic control of the unit.
- To improve the efficiency of the defrosting cycle, heat pump models are equipped as standard with a hydrophilic coating applied to the condenser coil.
- 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.
- 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 perimeter panels are made of pre-painted sheet metal, easily removable, and allow access to the inside of the unit for maintenance. The sandwich panels on the air-handling side and condensate side are insulated with expanded polyethylene with 25 mm thickness.
- R410A refrigerant. On request R454B refrigerant.
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
Technical data
| 101 | 121 | 151 | 181 | |||
| Cooling | Cooling capacity (1) | kW | 19,1 | 24,4 | 31,1 | 41,6 |
| Absorbed power (1) | kW | 6,4 | 8,8 | 10,6 | 16,2 | |
| Cooling (EN 14511) | 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 | 31,0 | 43,9 |
| Absorbed power (3) | kW | 6,2 | 8,2 | 10,3 | 15,5 | |
| Heating (EN14511) | SCOP (4) | 3,68 | 3,61 | 3,42 | 3,39 | |
| Energy Efficiency (4) | % | 144 | 141 | 134 | 133 | |
| Air treatment section | Air flow | m³/h | 3800 | 5100 | 6600 | 8000 |
| Available static pressure | PA | 100 | 120 | 120 | 150 | |
| Fan | N° | 1 | 1 | 1 | 1 | |
| Condensing section | Compressor | N° | 1 | 1 | 1 | 1 |
| Refrigerant circuits | N° | 1 | 1 | 1 | 1 | |
| Electrical heater | Power supply | V/Ph/Hz | 400/3/50 | 400/3/50 | 400/3/50 | 400/3/50 |
| Heating capacity | kW | 18 | 18 | 27 | 27 | |
| Max absorbed current | A | 26 | 26 | 39 | 39 | |
| 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 | 16 | 18 | 22 | 34 | |
| Max. starting current | A | 11 | 12 | 13 | 18 | |
| Sound pressure | STD version (5) | dB(A) | 71 | 71 | 72 | 74 |
| 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.