Web code (TXHETU): EFX05 Web code (TXHETY): EFX01
EXP Multi-purpose Systems

EasyFLOW ECO EXP EasyFLOW EXP

TXHET 244÷2195
Cooling capacity 43,9÷186,6 kW
Heating capacity 52÷221,5 kW
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Technical data sheet

EXPsystems – Polyvalent water-cooled system. Series with scroll hermetic compressors and R454B or R410A refrigerant gas.

Features

Key features


Multi-purpose units with TER up to 7,83

Efficient range in R454B

Applications with well water, water mains, geothermal probes or dry cooler.

Extended operating limits

Touch interface (optional)

Integrated MASTER/SLAVE control


EasyFLOW ECO EXP EasyFLOW EXP

Description

Construction features

• Compressor: hermetic rotary, scroll type, complete with thermal protection and crankcase heater.
• Primary side (user), secondary (recovery) and disposal side heat exchanger (well, mains, geothermal probes or dry cooler): with stainless steel plates, complete with closed cell polyurethane foam rubber insulation and water flow differential pressure switch.
• Control: microprocessor electronic control with Adaptive Function Plus logic.
• Structure: made of galvanised and painted steel plate with polyester powder coating.
• The unit is also complete with:
- compressor 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;
- 0-10V analogue signal for condensing/evaporating control performed by external device;
- control of Variable Primary Flow (VPF_R).

Versions

• T - High efficiency version

Models

- TXHETU: EXPsystems units with R454B gas.
- TXHETY: EXPsystems units with R410A gas.

Factory fitted accessories

• Primary side (user) PUMP: with single or double electric pump, one of which automatic in standby. The electric pumps are available in the low or high pressure head versions. ➔
• PUMP disposal side (well, mains, geothermal probes or dry cooler): with single or double electric pump (possibly regulated via inverter) including an automatic actuation pump in standby. The electric pumps are available in the low or high pressure head versions. ➔
• Primary side (user) inverter pump management.
• Power factor correction capacitors (cosφ > 0.94).
• Soft-starter.
• Energy parameter measuring device.
• Cooling circuit outlet and intake valves (TXHETY)
• Cooling circuit outlet valves (TXHETU).
• Refrigerant leak detector.
• Forced limit of power consumption.
• Cooling circuit high and low pressure gauges.
• Double safety valves.
• Technical compartment soundproofing.
• Compressor soundproof enclosures
• Control of min/max power supply voltage.
• Low temperature water production.
• Digital input for double set-point.
• 4-20mA analogue signal for shifting set-point.
• Antifreeze heaters for heat exchangers, electrical panel and electric pumps.
• Interfaces for serial communication with other devices.
• Colour touch user keypad (fitted on the machine or remotely) with 7'' display.
• Set-up for outdoor installation.
• Rubber anti-vibration mounts.

Separately supplied accessories

• 3-way modulating condensing control valve.
• 2-way modulating condensing control valve.
• Outdoor air temperature probe for set-point compensation.
• Water filter.
• 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

TXHETU MODEL 244 255 260 270 280 290 2105 2120 2135 2155 2175 2195
COOLING OPERATIONS (AUTOMATIC 1 MODE)
❶ Nominal cooling capacity kW 43,9 53 60,3 69,1 75,9 89,8 103,5 117,4 131,4 145,1 163,2 181,7
❶ Absorbed power kW 10,2 12,2 14 15,7 17,1 20 23,9 26,3 30,2 32,5 37,5 42,9
❶ E.E.R. 4,3 4,36 4,31 4,4 4,43 4,49 4,33 4,47 4,35 4,46 4,35 4,24
COOLING OPERATIONS + TOTAL RECOVERY (AUTOMATIC 2 MODE)
❷ Nominal cooling capacity kW 41,8 49,8 56,3 64,1 69 81,6 94,7 107,9 121,5 135,5 151,6 168,5
❷ Recovery heating capacity kW 53,9 63,9 72,4 82,3 88,9 105 122,3 138,4 156,7 173,5 195,3 217,7
❷ T.E.R. 7,61 7,72 7,67 7,75 7,63 7,68 7,54 7,78 7,6 7,82 7,61 7,52
HEATING OPERATIONS (MODE SELECT 1-2 AUTOMATIC 3)
❸ Nominal heating capacity kW 52 62,2 71 80,2 87,1 103,1 120,9 135,8 154,6 170,1 192,6 215,8
❸ Total absorbed power kW 13 15,3 17,4 19,7 21,5 25,1 29,9 32,7 37,8 40,8 47,2 53,2
❸ C.O.P. 3,99 4,07 4,07 4,08 4,05 4,11 4,05 4,15 4,09 4,17 4,08 4,06
TXHETU MODEL 244 255 260 270 280 290 2105 2120 2135 2155 2175 2195
❹ Sound pressure dB(A) 38 40 39 41 41 42 42 44 44 46 47 48
❺ Sound power dB(A) 69 71 70 72 72 74 74 76 76 78 79 80
❺ Sound power with soundproofing set-up dB(A) 66,5 68,5 67,5 69,5 69,5 71,5 71,5 73,5 73,5 75,5 76,5 77,5
Scroll compressor/steps no. 46055 46055 46055 46055 46055 46055 46055 46055 46055 46055 46055 46055
Circuits no. 1 1 1 1 1 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-50 400-3+N-50 400-3+N-50 400-3+N-50 400-3+N-50 400-3+N-50
DIMENSIONS AND WEIGHTS 244 255 260 270 280 290 2105 2120 2135 2155 2175 2195
❻ L – Width mm 1190 1190 1190 1190 1190 1500 1500 1500 1500 1500 1500 1500
❼ L – Width mm 2060 2060 2060 2060 2060 2460 2460 2460 2460 2460 2460 2460
H – Height mm 1450 1450 1450 1450 1450 1860 1860 1860 1860 1860 1860 1860
P – Depth mm 720 720 720 720 720 870 870 870 870 870 870 870
❽ Weight kg 455 470 485 500 505 715 765 815 860 900 945 990
SEASONAL ENERGY PERFORMANCE 244 255 260 270 280 290 2105 2120 2135 2155 2175 2195
TXHETU MODEL SEASONAL PERFORMANCE IN HEATING MODE – Low temperature application 35°C
③ Pdesignh (EN 14825) kW 63 76 86 98 106 125 147 165 188 206 233 261
③ SCOP (EN 14825) 6,26 6,52 6,38 6,33 6,49 6,32 6,28 6,5 6,45 6,44 6,55 6,5
④ ηs % 242 253 247 245 251 245 243 252 250 250 254 252
Energy class A+++ - - - - - - - - - - -
TXHETU MODEL SEASONAL PERFORMANCE IN HEATING MODE – Medium temperature application 55°C
③ Pdesignh (EN 14825) kW 56 67 76 86 93 111 130 146 166 183 208 233
③ SCOP (EN 14825) 4,6 4,84 4,78 4,73 4,84 4,72 4,73 4,85 4,81 4,78 4,91 4,89
④ ηs % 176 186 183 181 186 181 181 186 184 183 188 188
Energy class A+++ A+++ - - - - - - - - - -
TXHETY MODEL 244 255 260 270 280 290 2105 2120 2135 2155 2175 2195
COOLING OPERATIONS (AUTOMATIC 1 MODE)
❶ Nominal cooling capacity kW 45,6 54,9 61,8 70,9 77,8 92,1 106 120,3 134,7 150,2 167,7 186,6
❶ Absorbed power kW 10,8 12,9 14,7 16,5 18 20,9 25,1 27,5 31,8 34,1 39,5 45,1
❶ E.E.R. 4,21 4,26 4,19 4,31 4,33 4,4 4,22 4,37 4,23 4,4 4,25 4,14
COOLING OPERATIONS + TOTAL RECOVERY (AUTOMATIC 2 MODE)
❷ Nominal cooling capacity kW 42,5 51 57,4 65,1 70,3 82,9 96,2 109,9 123,8 138,1 154,5 172,1
❷ Recovery heating capacity kW 55,3 66,2 74,4 84,3 91,2 107,3 125,4 142 160,7 177,9 200,2 223,4
❷ T.E.R. 7,36 7,43 7,45 7,5 7,4 7,52 7,29 7,56 7,4 7,64 7,43 7,37
HEATING OPERATIONS (MODE SELECT 1-2 AUTOMATIC 3)
❸ Nominal heating capacity kW 53,4 64,4 73 82,2 89,4 105,4 124 139,3 158,6 174,5 197,5 221,5
❸ Total absorbed power kW 13,8 16,3 18,5 20,7 22,6 26,2 31,5 34,4 39,8 42,7 49,4 55,7
❸ C.O.P. 3,86 3,94 3,95 3,97 3,95 4,03 3,94 4,05 3,98 4,09 4 3,98
TXHETY MODEL 244 255 260 270 280 290 2105 2120 2135 2155 2175 2195
❹ Sound pressure dB(A) 38 40 39 41 41 42 42 44 44 46 47 48
❺ Sound power dB(A) 69 71 70 72 72 74 74 76 76 78 79 80
❺ Sound power with soundproofing set-up dB(A) 66,5 68,5 67,5 69,5 69,5 71,5 71,5 73,5 73,5 75,5 76,5 77,5
Scroll compressor/steps no. 46055 46055 46055 46055 46055 46055 46055 46055 46055 46055 46055 46055
Circuits no. 1 1 1 1 1 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-50 400-3+N-50 400-3+N-50 400-3+N-50 400-3+N-50 400-3+N-50
DIMENSIONS AND WEIGHTS 244 255 260 270 280 290 2105 2120 2135 2155 2175 2195
❻ L – Width mm 1190 1190 1190 1190 1190 1500 1500 1500 1500 1500 1500 1500
❼ L – Width mm 2060 2060 2060 2060 2060 2460 2460 2460 2460 2460 2460 2460
H – Height mm 1450 1450 1450 1450 1450 1860 1860 1860 1860 1860 1860 1860
P – Depth mm 720 720 720 720 720 870 870 870 870 870 870 870
❽ Weight kg 455 470 485 500 505 715 765 815 860 900 945 990
SEASONAL ENERGY PERFORMANCE 244 255 260 270 280 290 2105 2120 2135 2155 2175 2195
TXHETY MODEL SEASONAL PERFORMANCE IN HEATING MODE – Low temperature application 35°C
③ Pdesignh (EN 14825) kW 65 78 89 100 109 128 151 169 193 212 239 268
③ SCOP (EN 14825) 6,17 6,42 6,3 6,24 6,41 6,21 6,19 6,38 6,36 6,37 6,47 6,43
④ ηs % 239 249 244 242 248 240 239 247 246 247 251 249
Energy class A+++ - - - - - - - - - - -
TXHETY MODEL SEASONAL PERFORMANCE IN HEATING MODE – Medium temperature application 55°C
③ Pdesignh (EN 14825) kW 57 69 78 88 96 113 133 150 171 188 213 239
③ SCOP (EN 14825) 4,55 4,79 4,73 4,68 4,81 4,66 4,68 4,8 4,77 4,75 4,87 4,87
④ ηs % 174 184 181 179 184 178 179 184 183 182 187 187
Energy class A+++ A+++ - - - - - - - - - -
  • Data at the following conditions:
  • ❶ Chilled water (user): 12/7℃ – Condenser water (disposal unit-source): 30/35℃
  • ❷ Chilled water (user) outlet: 7℃, nominal flow rate – Condenser water outlet (recovery unit): 45℃, nominal flow rate.
  • ❸ Evaporator water (disposal-source): 10/7℃ – Hot water (utility): 40/45℃.
  • ❹ In open field (Q = 2) at 10 m from the unit (not Eurovent certified).

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