SCM CUBO2 Smart CO2 Transcritical Condensing Unit Kuala Lumpur (KL), Selangor, Malaysia Wholesaler, Supplier

Name: SCM CUBO2 Smart CO2 Transcritical Condensing Unit
Brand: SCM
Availability: InStock

One box, the whole CO₂ system

CUBO2 Smart is a complete transcritical CO₂ condensing unit. The BLDC variable speed rotary compressor, the gas cooler, the EC fans, the liquid receiver and the electrical panel all arrive in a single compact casing that has already been run and programmed at the SCM Frigo factory. On site you make the refrigeration and electrical connections, set the cabinet parameters, and start up.

Because the compressor modulates from 25% to 100% instead of cycling on and off, the unit follows the real load through the day. That keeps suction pressure stable, holds product temperature tighter and cuts the energy that a fixed speed machine wastes at part load, which in a Malaysian shop or cold room is most of the operating year.

The unit also talks directly to the refrigerated fixtures through Carel MPXPRO or ULTRACELLA controllers, so cabinet demand and compressor speed are managed as one system rather than two.

RangeMTDX medium temperature and BTDX low temperature, four sizes each
CompressorBLDC variable speed rotary, 1500 to 6000 rpm. BTDX carries a second compressor for parallel compression
EvaporatingMTDX −15 °C to +5 °C · BTDX −35 °C to −20 °C
FansEC, with day and night operating modes
Design pressure120 bar high side, 80 bar liquid, 80 bar suction
ConnectionsK65, suction 3/8″ and liquid 3/8″ (UMT T 100 MTDX suction 1/2″)
Sound pressure44 dB(A) day, 35 dB(A) night at 10 m, free field
DimensionsMTDX 1150 × 620 × 805 mm, 150 kg · BTDX 1525 × 620 × 805 mm, 176 kg
OptionsWater cooled gas cooler, adiabatic system, 8 litre PED II liquid receiver

Why operators in Malaysia are moving to CO₂

No phase‑down risk

R744 has a GWP of 1 and no ozone depletion potential. It sits outside the HFC reduction schedule, so a system bought today is not facing a refrigerant cost cliff in ten years.

Cheap, available charge

CO₂ is recovered industrially and costs a fraction of an HFC blend per kilogram. Top‑ups and end‑of‑life disposal stop being a budget line worth worrying about.

Built for hot ambients

Parallel compression on the BTDX range and the optional adiabatic gas cooler are the two features that keep transcritical CO₂ efficient above 35 °C, which is the condition that matters here.

Smaller pipework

The high operating pressure means high vapour density, so suction and liquid lines are smaller than the HFC equivalent for the same duty. Less copper, easier routing in a tight plant room.

Non‑flammable, non‑toxic

Unlike hydrocarbon alternatives, CO₂ is A1 classified. Charge limits and machinery room rules are far less restrictive for a retail or food processing site.

Heat you can reuse

Transcritical discharge runs hot. On sites that need process hot water, that gas cooler heat is genuinely recoverable rather than a theoretical bonus.

All eight models at a glance

Type a model number, a capacity or a keyword to narrow the list. Select any model number to jump straight to its full performance table.

Find a model

CUBO2 Smart model index — SCM Frigo UMT T series
Model number	Application	Cooling capacity	Power supply	Dimensions L × W × H mm	Weight	Standard receiver	Suction
UMT T 030 MTDX	Medium temperature	0,43 – 4,68 kW	230 V / 1 ph / 50 Hz	1150 × 620 × 805	150 kg	2 × 2,4 L (PED I)	3/8"
UMT T 045 MTDX	Medium temperature	0,65 – 7,06 kW	230 V / 1 ph / 50 Hz	1150 × 620 × 805	150 kg	2 × 2,4 L (PED I)	3/8"
UMT T 067 MTDX	Medium temperature	1,04 – 9,83 kW	230 V / 1 ph / 50 Hz	1150 × 620 × 805	150 kg	2 × 2,4 L (PED I)	3/8"
UMT T 100 MTDX	Medium temperature	1,55 – 15,06 kW	400 V / 3 ph / 50 Hz	1150 × 620 × 805	150 kg	8 L (PED II)	1/2"
UMT T 030 BTDX	Low temperature	0,58 – 3,56 kW	230 V / 1 ph / 50 Hz	1525 × 620 × 805	176 kg	8 L (PED II)	3/8"
UMT T 045 BTDX	Low temperature	0,88 – 5,37 kW	230 V / 1 ph / 50 Hz	1525 × 620 × 805	176 kg	8 L (PED II)	3/8"
UMT T 067 BTDX	Low temperature	1,31 – 7,54 kW	400 V / 3 ph / 50 Hz	1525 × 620 × 805	176 kg	8 L (PED II)	3/8"
UMT T 100 BTDX	Low temperature	2,02 – 10,82 kW	400 V / 3 ph / 50 Hz	1525 × 620 × 805	176 kg	8 L (PED II)	3/8"

No model matches that search. Clear the box to see all eight.

Capacity spans the full published envelope from the minimum inverter step at the least favourable condition to the maximum at the most favourable. Always select against the ambient and evaporating temperature of the actual application.

How to read a CUBO2 Smart model number

UMT T 045 MTDX breaks down as UMT unit family, T transcritical, 045 nominal size, MT medium temperature (BT for low temperature) and DX direct expansion. The four sizes, 030, 045, 067 and 100, run in the same order in both ranges, so a 067 BTDX is the low temperature sibling of a 067 MTDX rather than a different generation.

Medium temperature performance — MTDX

For chilled rooms, multideck cabinets, preparation rooms and process chilling. Evaporating temperatures from −15 °C to +5 °C. Capacity is given as the minimum to maximum range across the inverter band, with COP at the corresponding condition.

Rows shaded in this tone are the ambient conditions to design against in Malaysia COP values shown in green

UMT T 030 MTDX

UMT T 030 MTDX — cooling capacity and COP at medium temperature
Ambient	-15 °C		-10 °C		-5 °C		0 °C		+5 °C
Ambient	Capacity W	COP	Capacity W	COP	Capacity W	COP	Capacity W	COP	Capacity W	COP
40 °C	429 – 2 140	1,38	523 – 2 507	1,58	575 – 2 759	1,59	674 – 3 143	1,79	787 – 3 541	2,04
38 °C	440 – 2 165	1,44	526 – 2 514	1,59	622 – 2 889	1,80	727 – 3 283	2,04	850 – 3 704	2,31
32 °C	455 – 2 181	1,54	551 – 2 548	1,76	653 – 2 939	2,02	768 – 3 362	2,32	905 – 3 826	2,68
20 °C	553 – 2 490	2,25	671 – 2 944	2,67	804 – 3 454	3,20	959 – 4 029	3,88	1 145 – 4 678	4,78

Minimum energy performance (Ecodesign EN 2009/125/EC): 1,76. Power supply: 230 / 1+N+PE / 50 Hz. Capacity shown as minimum – maximum across the 25–100% inverter range.

UMT T 045 MTDX

UMT T 045 MTDX — cooling capacity and COP at medium temperature
Ambient	-15 °C		-10 °C		-5 °C		0 °C		+5 °C
Ambient	Capacity W	COP	Capacity W	COP	Capacity W	COP	Capacity W	COP	Capacity W	COP
40 °C	648 – 3 233	1,38	789 – 3 785	1,58	868 – 4 165	1,59	1 018 – 4 746	1,79	1 188 – 5 346	2,01
38 °C	665 – 3 270	1,46	794 – 3 796	1,59	939 – 4 362	1,80	1 098 – 4 957	2,04	1 283 – 5 593	2,31
32 °C	686 – 3 293	1,54	832 – 3 847	1,76	986 – 4 437	2,02	1 160 – 5 077	2,32	1 366 – 5 778	2,68
20 °C	836 – 3 761	2,25	1 013 – 4 445	2,67	1 214 – 5 215	3,20	1 449 – 6 084	3,88	1 729 – 7 064	4,78

Minimum energy performance (Ecodesign EN 2009/125/EC): 1,76. Power supply: 230 / 1+N+PE / 50 Hz. Capacity shown as minimum – maximum across the 25–100% inverter range.

UMT T 067 MTDX

UMT T 067 MTDX — cooling capacity and COP at medium temperature
Ambient	-15 °C		-10 °C		-5 °C		0 °C		+5 °C
Ambient	Capacity W	COP	Capacity W	COP	Capacity W	COP	Capacity W	COP	Capacity W	COP
40 °C	1 038 – 4 753	1,40	1 242 – 5 489	1,57	1 459 – 6 296	1,75	1 690 – 7 159	1,96	1 822 – 8 063	2,18
38 °C	1 061 – 4 755	1,45	1 266 – 5 504	1,63	1 485 – 6 325	1,83	1 721 – 7 205	2,05	1 975 – 8 129	2,29
32 °C	1 094 – 4 722	1,57	1 307 – 5 508	1,79	1 541 – 6 385	2,04	1 796 – 7 328	2,31	2 042 – 8 251	2,51
20 °C	1 375 – 5 537	2,35	1 647 – 6 553	2,76	1 952 – 7 664	3,22	2 291 – 8 856	3,76	2 581 – 9 829	4,11

Minimum energy performance (Ecodesign EN 2009/125/EC): 3,44. Power supply: 230 / 1+N+PE / 50 Hz. Capacity shown as minimum – maximum across the 25–100% inverter range.

UMT T 100 MTDX

UMT T 100 MTDX — cooling capacity and COP at medium temperature
Ambient	-15 °C		-10 °C		-5 °C		0 °C		+5 °C
Ambient	Capacity W	COP	Capacity W	COP	Capacity W	COP	Capacity W	COP	Capacity W	COP
40 °C	1 549 – 7 904	1,56	1 854 – 8 193	1,57	2 028 – 9 113	1,57	2 365 – 10 366	1,75	2 719 – 11 672	1,94
38 °C	1 583 – 7 098	1,45	1 864 – 8 202	1,58	2 188 – 9 411	1,77	2 534 – 10 704	1,98	2 890 – 12 034	2,18
32 °C	1 619 – 7 047	1,53	1 933 – 8 211	1,73	2 273 – 9 491	1,97	2 644 – 10 866	2,25	3 048 – 12 314	2,52
20 °C	1 976 – 7 997	2,22	2 371 – 11 096	3,05	2 390 – 12 834	3,52	3 306 – 14 670	4,05	3 852 – 15 064	4,22

Minimum energy performance (Ecodesign EN 2009/125/EC): 3,45. Power supply: 400 / 3+N+PE / 50 Hz. Capacity shown as minimum – maximum across the 25–100% inverter range.

Low temperature performance — BTDX

For freezer rooms, blast holding and frozen food cabinets. Evaporating temperatures from −35 °C to −20 °C, delivered by two BLDC compressors working as an LT compressor plus a parallel compressor, with floating receiver pressure between −10 °C and 0 °C.

Rows shaded in this tone are the ambient conditions to design against in Malaysia COP values shown in green

UMT T 030 BTDX

UMT T 030 BTDX — cooling capacity, absorbed power and COP at low temperature
Evaporating temperature	-35 °C		-30 °C		-25 °C		-20 °C
Evaporating temperature	Power input W	COP	Power input W	COP	Power input W	COP	Power input W	COP
Cooling capacity	579 – 2 315 W		704 – 2 814 W		780 – 3 119 W		890 – 3 558 W
Power at 40 °C ambient	1 937	1,20	2 117	1,33	2 160	1,44	2 247	1,58
Power at 38 °C ambient	1 857	1,25	2 051	1,37	2 090	1,49	2 168	1,64
Power at 32 °C ambient	1 657	1,40	1 985	1,42	2 010	1,55	2 090	1,70
Power at 20 °C ambient	1 167	1,98	1 332	2,11	1 358	2,30	1 362	2,61

Minimum energy performance (Ecodesign EN 2009/125/EC): 2,32. Power supply: 230 / 1+N+PE / 50 Hz. Interstage saturated suction temperature is variable from −10 °C to 0 °C. Cooling capacity is published independently of ambient; absorbed power and COP vary with ambient.

UMT T 045 BTDX

UMT T 045 BTDX — cooling capacity, absorbed power and COP at low temperature
Evaporating temperature	-35 °C		-30 °C		-25 °C		-20 °C
Evaporating temperature	Power input W	COP	Power input W	COP	Power input W	COP	Power input W	COP
Cooling capacity	877 – 3 507 W		1 066 – 4 263 W		1 208 – 4 830 W		1 342 – 5 369 W
Power at 40 °C ambient	2 930	1,20	3 207	1,33	3 290	1,47	3 370	1,59
Power at 38 °C ambient	2 810	1,25	3 086	1,38	3 176	1,52	3 259	1,65
Power at 32 °C ambient	2 510	1,40	2 987	1,43	3 067	1,57	3 141	1,71
Power at 20 °C ambient	1 770	1,98	2 010	2,12	2 090	2,31	2 053	2,62

UMT T 067 BTDX

UMT T 067 BTDX — cooling capacity, absorbed power and COP at low temperature
Evaporating temperature	-35 °C		-30 °C		-25 °C		-20 °C
Evaporating temperature	Power input W	COP	Power input W	COP	Power input W	COP	Power input W	COP
Cooling capacity	1 307 – 5 227 W		1 554 – 6 216 W		1 725 – 6 899 W		1 886 – 7 544 W
Power at 40 °C ambient	4 294	1,22	4 800	1,30	4 787	1,44	4 777	1,58
Power at 38 °C ambient	4 054	1,29	4 448	1,40	4 621	1,49	4 597	1,64
Power at 32 °C ambient	3 694	1,41	4 298	1,45	4 458	1,55	4 416	1,71
Power at 20 °C ambient	2 704	1,93	3 010	2,07	2 990	2,31	2 881	2,62

Minimum energy performance (Ecodesign EN 2009/125/EC): 2,26. Power supply: 400 / 3+N+PE / 50 Hz. Interstage saturated suction temperature is variable from −10 °C to 0 °C. Cooling capacity is published independently of ambient; absorbed power and COP vary with ambient.

UMT T 100 BTDX

UMT T 100 BTDX — cooling capacity, absorbed power and COP at low temperature
Evaporating temperature	-35 °C		-30 °C		-25 °C		-20 °C
Evaporating temperature	Power input W	COP	Power input W	COP	Power input W	COP	Power input W	COP
Cooling capacity	2 019 – 8 075 W		2 297 – 9 187 W		2 513 – 10 050 W		2 705 – 10 818 W
Power at 40 °C ambient	6 634	1,22	7 094	1,30	6 974	1,44	6 847	1,58
Power at 38 °C ambient	6 263	1,29	6 574	1,40	6 732	1,49	6 597	1,64
Power at 32 °C ambient	5 707	1,41	6 352	1,45	6 495	1,55	6 326	1,71
Power at 20 °C ambient	4 177	1,93	4 454	2,06	4 356	2,31	4 129	2,62

Installation and pipework

A CUBO2 Smart can serve one evaporator or several. Remote evaporators are connected either as a multi‑split, where every evaporator has its own suction line collected at a manifold near the condensing unit, or as a branch system. Choose whichever layout gives the higher suction gas velocity at the lowest pressure drop, because that is what returns oil to the compressor.

Two rules govern the sizing. Size the liquid line so that velocity stays below 1 m/s at the farthest evaporator. Size the suction line for a minimum gas velocity of 5 m/s. Under‑sized liquid lines starve the far end of the system; over‑sized suction lines strand oil in the pipework.

Refrigerant charge and receiver size are checked with the SCM Frigo CUBO2 charge calculator before the pipe schedule is fixed. RNA runs that calculation as part of the quotation so the receiver option is settled early rather than discovered on commissioning day.

MTDX controlManages one BLDC compressor. Communicates with cabinets via MPXPRO or ULTRACELLA
BTDX controlManages two BLDC compressors, LT plus parallel. Floating receiver pressure −10 to 0 °C
Liquid lineSize for velocity below 1 m/s to the farthest evaporator
Suction lineSize for minimum gas velocity 5 m/s for oil return
Standard receiverMTDX 2 × 2,4 litre PED I · BTDX 8 litre PED II
Optional receiver8 litre PED II on MTDX
Gas cooler optionsWater cooled version, or adiabatic system for ambients above +35 °C
CommissioningUnit arrives factory tested and pre‑programmed for start‑up

Where these units are used

Supermarkets and convenience

Multideck and island cabinets on the MTDX range, frozen cabinets on the BTDX range, with direct controller‑to‑cabinet communication.

Cold rooms and freezer rooms

Chilled storage from a single MTDX unit, frozen storage from a BTDX unit, in food processing, catering and distribution.

Food processing

Preparation and packing rooms where stable suction pressure matters more than raw capacity, and where gas cooler heat can be reused.

Pharmaceutical and laboratory

Applications with tight temperature bands that benefit from inverter modulation rather than compressor cycling.

Hotels, restaurants and QSR

Compact plant with a low night‑time sound level for sites where the condensing unit sits close to guests or neighbours.

Retrofit of ageing HFC plant

A route off R404A and similar high‑GWP refrigerants without rebuilding the whole store around a central rack.

Common questions

Which CUBO2 Smart model suits a Malaysian ambient of 35 to 40 °C?

Select from the 38 °C or 40 °C ambient rows in the tables on this page, never the 20 °C or 32 °C rows. For sites that regularly sit above 35 °C, SCM Frigo recommends the adiabatic system option on the gas cooler, which lowers the effective gas cooler inlet air temperature and keeps the unit out of deep transcritical operation for more hours of the year.

What is the difference between MTDX and BTDX?

MTDX is the medium temperature range: one BLDC compressor, evaporating temperatures from −15 °C to +5 °C, for chillers, chilled rooms and multideck cabinets. BTDX is the low temperature range: two BLDC compressors working as an LT compressor plus a parallel compressor, evaporating temperatures from −35 °C to −20 °C, for freezer rooms and frozen food cabinets.

Does the unit come with a gas cooler?

Yes. Every CUBO2 Smart ships with the gas cooler and the electrical panel already fitted, tested and factory programmed. A water cooled gas cooler is available on request as an alternative to the standard air cooled version.

What design pressures does the unit work at?

120 bar on the high pressure side, 80 bar on the liquid line and 80 bar on the suction line. All refrigeration connections are K65 to suit transcritical CO₂ service.

How noisy is the unit?

44 dB(A) in day operation and 35 dB(A) in night operation, measured in a free field with semi‑spherical sound emission at 10 m. The EC fans and the variable speed compressor are what allow the unit to drop to night mode.

Can I connect several evaporators to one condensing unit?

Yes, in either a multi‑split or a branch layout. In a multi‑split layout each evaporator needs its own suction line, collected at a manifold close to the condensing unit. Size the liquid line for a velocity below 1 m/s to the farthest evaporator, and the suction line for a minimum gas velocity of 5 m/s so oil returns to the compressor.

Is CO₂ a practical refrigerant for Malaysia?

Yes, and it is increasingly the safe long term choice. R744 has a GWP of 1 and an ODP of zero, so it is unaffected by the HFC phase‑down schedule that Malaysia is committed to under the Kigali Amendment. The trade‑off is that high ambient temperatures push the cycle transcritical more often, which is exactly what the parallel compression on the BTDX range and the adiabatic option are there to manage.