Yutaki-SCOMBI

Hitachi’s Yutaki-SCombi heat pump is an integrated solution for new build and renovation projects with exceptional performance for heating and domestic hot water, with one of the best heating COP’s on the market.

Year-round comfort, with heat output available at ambient temperatures as low as -20°C.

Indoor Unit ModelRWD2.0NWE
(200/260)S-K
RWD2.5NWE
(200/260)S-K
RWD3.0NWE
(200/260)S-K
RWD4.0NWE
(200/260)S-K
RWD5.0NWE
(200/260)S-K
RWD6.0NWE
(200/260)S-K
Outdoor Unit ModelRAS-2WHVNPRAS-2.5WHVNPRAS-3WHVNPRAS-4WHVNPRAS-5WHVNPRAS-6WHVNP
Nominal Capacity (max)kW4.30 (7.00)6.00 (9.00)7.50 (11.00)11.0 (15.20)14.0 (16.70)16.00 (17.80)
Water 30/35°C, Ambient 7db/6wb°CCOP5.254.84.5554.714.57
Nominal Capacity (max)kW4.30 (6.20)6.00 (9.00)7.50 (10.00)11.0 (14.10)14.0 (15.70)16.00 (17.30)
Water 40/45°C, Ambient 7db/6wb°CCOP3.93.593.53.983.613.4
Nominal Capacity (max)kW4.30 (6.00)6.00 (8.00)7.50 (9.20)11.0 (13.5)14.0 (15.20)16.00 ( 17.00)
Water 47/55°C, Ambient 7db/6wb°CCOP32.892.5732.82.5
Nominal Capacity (max)kW3.50 (5.50)4.50 (7.00)5.50 (8.90)9.50 (12.80)10.50 (13.90)11.10 (15.00)
Water 30/35°C, Ambient 2db/1wb°CCOP4.13.653.533.613.553.41
Nominal Capacity (max)kW4.30 (4.70)5.30 (5.70)5.80 (6.70)9.70 (10.60)11.50 (12.00)12.00 (13.00)
Water 30/35°C, Ambient -7db/-8wb°CCOP2.853.652.572.742.652.57
Nominal Capacity (max)kW4.30 (4.60)5.00 (5.50)6.00 (6.40)10.00 (10.00)11.00 (11.60)11.50 (12.50)
Water 40/45°C, Ambient -7db/-8wb°CCOP2.452.252.252.452.252.15
Nominal Capacity (max)kW4.00(4.20)4.60(5.00)5.00 (5.50)8.70 (9.70)9.70 (11.20)10.50 (12.00)
Water 47/55°C, Ambient -7db/-8wb°CCOP1.931.821.61.781.851.75
Water Flow Rate min/maxm3/hr0.5 / 1.80.6 / 1.90.6 / 1.91.0 / 2.71.1 / 2.81.2 / 2.8
Minimum Water Volume (Defrost)L28384655
Water ConnectionsInch1" Female1 1/4" Female
DHW ConnectionsInch3/4" Female
Expansion Vessel SizeL6.00
Pump TypeYonos PARA RS 15 / 7.0Yonos PARA RS 15 / 7.5
Water Temperature Range°C20 - 5520 - 60
Piping Diameter (liquid/gas)Inch1/4" / 5/8"3/8" / 5/8"
Power Supply230V/1Ph/50Hz230V/1Ph/50Hz + 400V/3Ph/50Hz
Circuit Breaker Size (with DHW tank heater)A20
Maximum Operating Current (with DHW tank heater)A14.514.7
Sound Power LeveldB(A)37.0039
Dimensions (H x W x D) Including Connectionsmm1816 x 600 x 733
Gross Weight - 200LKg131132135137
Gross Weight - 200LKg146147150152

Outdoor Unit ModelRAS 2 WHVNPRAS 2.5WHVNPRAS 3WHVNPRAS 4WH (V)NPRAS 5WH (V)NPRAS 6WH(V)NP
RefrigerantR410A
Minimum Piping Lengthm5
Maximum Chargeless Piping Lengthm15
Piping Diameter (liquid/gas)Inch3/8" / 5/8"1/4" / 1/2"
Maximum Piping Lengthm5075
Additional Refrigerant Chargeg (per metre)304060
Power Supply230V/1Ph/50Hz230V/1Ph/50Hz + 400V/3Ph/50Hz
Circuit Breaker Size
(Single/Three Phase)
A2032 / 16
Maximum Operating CurrentA13.815.817.830.5 / 1430.5 / 16
Sound Power Level @ 7/35*dB(A)596061636465
Dimentions (H x W x D)mm600 x 792 x 30013.80 x 950 x370
Gross WeightKg4649116
Compressor TypemmScroll DC Inverter Driven
* Sound power level in accordance to the standard EN 12102 at conditions specified in EN 14511 performance test

Features and Benefits:
Domestic hot water as well as heating – ideal boiler replacement technology
Two heating circuits
Integrated DHW production, two tank capacities: 200 and 260 L
AVAILABLE WITH ELECTRIC BACKUP HEATER AS STANDARD
Eligible for domestic and non-domestic RHI
Screed drying function ideal for new builds
Weather compensation control
Generate water up to 60°C
One of the best COP’s on the market up to 5.25
ErP energy efficiency class of up to A+++
Pre plumbed and pre wired

Remote Controller PC-ARFHE (Includes; weekly timer, holiday mode, smart function and a favourite button)
Wireless Remote Thermostat ATW-RTU-05 (Control remotely via smartphone app)
Optional domestic hot water tank and buffer tanks
Available from 11 to 16 kW, single and three phase models available

Product Images

 

Advanced Technical Data

Outdoor Unit ModelRASM-3VNERASM-4(V)NERASM-5(V)NERASM-6(V)NE
Nominal Capacity (max)kW7.50 (11.00)11.00 (15.20)14.00 (16.70)16.00 (17.80)
Water 30/35°C, Ambient 7db/6wb°CCOP4.555.004.714.57
Nominal Capacity (max)kW7.50 (10.00)11.00 (14.10)14.00 (15.70)16.00 (17.30)
Water 40/45°C, Ambient 7db/6wb°CCOP3.503.803.613.40
Nominal Capacity (max)kW7.50 (9.20)11.00 (13.50)14.00 (15.20)16.00 (17.00)
Water 47/55°C, Ambient 7db/6wb°CCOP2.703.002.802.50
Nominal Capacity (max)kW5.50 (8.90)9.50 (12.80)10.50 (13.90)11.10 (15.00)
Water 30/35°C, Ambient 2db/1wb°CCOP3.533.703.553.41
Nominal Capacity (max)kW5.80 (6.70)9.70 (10.60)11.50 (12.00)12.00 (13.00)
Water 30/35°C, Ambient -7db/-8wb°CCOP2.572.742.652.57
Nominal Capacity (max)kW6.00 (6.40)10.00 (10.00)11.00 (11.60)11.50 (1250
Water 40/45°C, Ambient -7db/-8wb°CCOP2.252.452.252.15
Nominal Capacity (max)kW5.00 (5.50)8.70 (9.70)9.70 (11.20)10.50 (12.00)
Water 47/55°C, Ambient -7db/-8wb°CCOP1.721.781.851.75
Water Flow Rate min/maxm3/hr0.60 / 2.101.00 / 2.801.10 / 3.001.20 / 3.00
Minimum Water Volume (Defrost)L28384655
Water ConnectionsInch1 1/4 Female
Expansion Vessel SizeL6
Pump TypeYonosPARARS15/7.0Yonos PARA RS 15 / 7.5
Water Temperature Range°C20 - 5520 - 60
Power Supply230V/1Ph/50Hz230V/1Ph/50Hz + 400C/3PH/50Hz
Circuit Breaker Size (with DHW tank heater)A3250 / 32
Circuit Breaker Size (without DHW tank heater)A2032 / 20
Maximum Operating Current (with DHW tank heater)A3345.80 / 30.0045.80 / 39.40
Maximum Operating Current (without DHW tank heater)A1830.8
Sound Power Level @7/35 *dB(A)61636465
Dimensions (H x W x D) Including Connectionsmm800 x 1252 x 3701380 x 1252 x 370
Gross WeightKg115135140144
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