Description
Description
Construction features
• Compressor: scroll type, rotary, hermetic complete with thermal protection and casing heater.
• 3 capacity steps with high efficiency at partial loads.
• Water side heat exchanger: with stainless steel plates, complete with closed cell polyurethane foam rubber insulation and water flow differential pressure switch.
• Air side heat exchanger: featuring micro-channels (TCAEI) or finned coil with copper pipes and aluminium fins (THAEI).
• Fan: external rotor axial type electric fans equipped with internal thermal protection, accident protection grilles and proportional electronic device for continuous fan rotation speed regulation.
• Control: microprocessor electronic control with Adaptive Function Plus logic.
• Structure: load-bearing structure made of galvanised and painted steel plate with polyester powder coating.
• The unit is also complete with:
– compressor and fan circuit breaker switches;
– electronic expansion valve;
– display of cooling circuit high and low pressure;
– Master/Slave control up to 4 units in parallel;
– clock board;
– control of Variable Primary Flow (VPF_R).
Versions
• T – High efficiency version with oversized condensing section (TCAETI-THAETI).
• Q – Super-silenced version complete with compressor technical compartment soundproofing, reduced speed fans and oversized condensing section (TCAEQI-THAEQI).
Models
• TCAETI: high efficiency unit designed for cooling only.
• TCAEQI: super silenced unit designed for cooling only.
• THAETI: heat pump unit.
• THAEQI: super silenced heat pump unit.
Factory fitted accessories
• PUMP with single or double electric pump, one of which automatic in standby. The electric pumps are available in the low or high head versions.
• TANK&PUMP with 230 – 440 litre integrated buffer tank (depending on the sizes) and single or double electric pump, complete with expansion tank, air vent valves, safety valve and water side pressure gauge.
• Inverter pump control for unit start-up.
• Desuperheater.
• Desuperheater with pump and mixing valve
• 100% heat recovery unit (TCAEI)
• Condensing control with fans with EC motor (fitted as standard in TCAEQI-THAEQI 270-285).
• Condensing control with over-pressure fans (T version only)
• Power factor correction capacitors (cosφ > 0.94).
• Forced limit of power consumption.
• Forced noise limit.
• Energy parameter measuring device.
• Soft starter.
• Technical compressor compartment soundproofing.
• Compressor soundproof enclosures.
• Cooling circuit outlet and inlet valves (TCAETI-TCAEQI).
• Cooling circuit outlet valves (THAETI-THAEQI).
• Refrigerant leak detector.
• Cooling circuit high and low pressure gauges.
• Double safety valves.
• Metal filters or coil protection nets.
• Microchannel coils with E-coating treatment, copper/copper, copper/aluminium, pre-painted copper/aluminium or with hydrophilic treatment depending on versions.
• Control of min/max power supply voltage and backup battery
• Digital input for double set-point.
• 4-20 mA analogue signal for shifting set-point.
• Evaporator antifreeze heater, electrical panel, buffer tank, electric pumps and heat exchangers for heat recovery, if applicable, and base.
• Low temperature water production.
• Interfaces for serial communication with other devices.
• Rubber anti-vibration mounts.
Separately supplied accessories
• Remote keypad with display.
• Thermostat with display.
• Rhoss supervisors for unit monitoring and remote management.
• Rhoss sequencer for integrated management of multiple chillers.
Technical data
| TCAETI-TCAEQI MODEL | 270 | 285 | 2100 | 2110 | 2120 | 2140 | 2150 | ||
| ❶ | Nominal cooling capacity | kW | 74,1 | 88,6 | 101 | 110,5 | 121,7 | 140,8 | 153,7 |
| ❶ | Nominal cooling capacity | kW | 72,5 | 85,8 | 98,5 | 108 | 119,3 | 137,6 | 149,5 |
| ❶ | E.E.R. | 3,15 | 3,11 | 3,26 | 3,18 | 3,27 | 3,18 | 3,13 | |
| ❶ | E.E.R. | 3,04 | 2,95 | 3,14 | 3,06 | 3,15 | 3,06 | 2,97 | |
| ❶ | Absorbed power | kW | 23,5 | 28,5 | 30,98 | 34,75 | 37,22 | 44,28 | 49,11 |
| ❶ | Absorbed power | kW | 23,85 | 29,08 | 31,37 | 35,29 | 37,87 | 44,97 | 50,34 |
| THAETI-THAEQI MODEL | 270 | 285 | 2100 | 2110 | 2120 | 2140 | 2150 | ||
| ❷ | Nominal heating capacity | kW | 76,1 | 89,4 | 100,3 | 109,1 | 123 | 139,4 | 152,3 |
| ❷ | Nominal heating capacity | kW | 75,2 | 88 | 98,2 | 106,6 | 121,2 | 138,9 | 150,1 |
| ❷ | C.O.P. | 3,23 | 3,25 | 3,31 | 3,25 | 3,28 | 3,25 | 3,26 | |
| ❷ | C.O.P. | 3,27 | 3,25 | 3,32 | 3,25 | 3,33 | 3,32 | 3,29 | |
| ❶ | Nominal cooling capacity | kW | 71 | 83,8 | 96,1 | 105,6 | 117 | 133,7 | 146,1 |
| ❶ | Nominal cooling capacity | kW | 69,4 | 81,9 | 93,5 | 101,1 | 113,8 | 130,6 | 141,7 |
| ❷ | Absorbed power | kW | 23,56 | 27,51 | 30,3 | 33,57 | 37,5 | 42,89 | 46,72 |
| ❷ | Absorbed power | kW | 23 | 27,08 | 29,58 | 32,8 | 36,4 | 41,84 | 45,62 |
| TCAEI-THAEI MODEL | 270 | 285 | 2100 | 2110 | 2120 | 2140 | 2150 | ||
| ❸ | TCAETI-THAETI sound pressure | dB(A) | 50 | 52 | 54 | 54 | 55 | 56 | 56 |
| ❸ | TCAEQI-THAEQI sound pressure | dB(A) | 44 | 46 | 47 | 47 | 49 | 50 | 50 |
| ❹ | TCAETI-THAETI sound power | dB(A) | 82 | 84 | 85,5 | 86 | 87 | 88 | 88 |
| ❹ | TCAEQI-THAEQI sound power | dB(A) | 76 | 78 | 79 | 79 | 81 | 82 | 82 |
| Scroll compressors/steps | n. | 2/3 | 2/3 | 2/3 | 2/3 | 2/3 | 2/3 | 2/3 | |
| Circuits | n. | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Electrical supply | V-ph-Hz | 400-3+N-50 | 400-3+N-50 | 400-3+N-50 | 400-3+N-50 | 400-3+N-50 | 400-3+N-50 | 400-3+N-50 | |
| DIMENSIONS AND WEIGHTS | 270 | 285 | 2100 | 2110 | 2120 | 2140 | 2150 | ||
| L – Width | mm | 3250 | 3250 | 3250 | 3250 | 3450 | 3450 | 3450 | |
| TCAETI-THAETI H – Height | mm | 1700 | 1700 | 1800 | 1800 | 2000 | 2000 | 2000 | |
| TCAEQI-THAEQI H – Height | mm | 1540 | 1540 | 1800 | 1800 | 2000 | 2000 | 2000 | |
| P – Depth | mm | 1210 | 1210 | 1210 | 1210 | 1520 | 1520 | 1520 | |
| ❺ | TCAETI weight | kg | 795 | 825 | 875 | 880 | 1065 | 1165 | 1170 |
| ❺ | THAETI weight | kg | 885 | 915 | 965 | 970 | 1170 | 1270 | 1275 |
| SEASONAL ENERGY PERFORMANCE | 270 | 285 | 2100 | 2110 | 2120 | 2140 | 2150 | ||
| TCAETI MODEL SEASONAL PERFORMANCE IN COOLING MODE | |||||||||
| ① | Pdesignc (EN 14825) | kW | 74,1 | 88,6 | 101 | 110,5 | 121,7 | 140,8 | 153,7 |
| ① | SEER (EN 14825) | 4,5 | 4,47 | 4,63 | 4,62 | 4,55 | 4,58 | 4,49 | |
| ② | ηs,c | % | 177 | 176 | 182 | 182 | 179 | 180 | 177 |
| TCAEQI MODEL SEASONAL PERFORMANCE IN COOLING MODE | |||||||||
| ① | Pdesignc (EN 14825) | kW | 72,5 | 85,8 | 98,5 | 108 | 119,3 | 137,6 | 149,5 |
| ① | SEER (EN 14825) | 4,45 | 4,39 | 4,46 | 4,45 | 4,4 | 4,4 | 4,29 | |
| ② | ηs,c | % | 175 | 173 | 175 | 175 | 173 | 173 | 169 |
| THAETI MODEL SEASONAL ENERGY PERFORMANCE IN HEATING MODE | |||||||||
| ③ | Pdesignh (EN 14825) | kW | 56 | 66 | 80 | 87 | 98 | 112 | 122 |
| ③ | SCOP (EN 14825) | 4,08 | 4,14 | 4,11 | 4,12 | 4 | 4,12 | 4,07 | |
| ④ | ηs | % | 160 | 163 | 161 | 162 | 157 | 162 | 160 |
| ④ | Energy class | A++ | A++ | – | – | – | – | ||
| THAEQI MODEL SEASONAL ENERGY PERFORMANCE IN HEATING MODE | |||||||||
| ③ | Pdesignh (EN 14825) | kW | 60 | 70 | 78 | 85 | 96 | 111 | 120 |
| ③ | SCOP (EN 14825) | 4,13 | 4,19 | 4,09 | 4,03 | 3,99 | 4,08 | 4,04 | |
| ④ | ηs | % | 162 | 164 | 161 | 158 | 156 | 160 | 159 |
| ④ | Energy class | A++ | A++ | – | – | – | – | – | |
- Data at the following conditions:
- ❶ Air: 35°C – Water: 12/7°C
- ❷ Air: 7°C, D.B. – 6°C W.B.- Water: 40/45°C.
- ❸ In open field (Q = 2) at 10 m from the unit.
- ❹ Total sound power level in dB(A) based on measurements carried out in accordance with regulation UNI EN-ISO 9614.
- ❺ Weight referred to the unit without load and not accessorised.
- ■ TCAEQI-THAEQI super-silenced versions.
- Performance according to EN 14511.
- ① Low temperature application (7°C)
- ② Seasonal energy efficiency: low temperature cooling (EU Regulation 2016/2281)
- ③ In Average climatic conditions, low temperature application (35°C)
- ④ Seasonal energy efficiency: low temperature heating in Average climate (EU Regulations No.811/2013 and No.813/2013)





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