Hitachi YUTAKI S COMBI Series Technical Catalogue

2 General data
Capacity tables
TCGB0123 rev.2 - 10/2019
17
2
2.1 Capacity tables
2.1.1 Nominal capacity-performance tables
2.1.1.1 Considerations
• The heating capacity tables show the capacity and performance data in integrated values (with defrost correction
factor included).
• The nominal heating and cooling capacities are based on the EN 14511 standard: Piping length: 7.5 meters; Piping
lift: 0 meters.
Keywords:
• CAP: Nominal capacity (kW)
• COP:Coefcientofperformance
• EER:Energyefciencyratio
• DB: Dry bulb; WB: Wet bulb (ºC)
• OAT: Outdoor ambient temperature (ºC)
• WIT: Water inlet temperature (ºC)
• WOT: Water outlet temperature (ºC)
2.1.1.2 Capacity-performance data
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YUTAKI S
HP 2.0 HP 2.5 HP 3.0 HP
Outdoor unit model RAS-2WHVRP RAS-2.5WHVRP RAS-3WHVRP
Indoor unit model RWM-2.0NRE(-W) RWM-2.5NRE(-W) RWM-3.0NRE(-W)
OAT
(DB/WB)
WIT / WOT - Unit Heating operation
7 / 6 ºC
30 / 35 ºC
CAP
(Min./Nom./Max.)
kW 1.85 / 4.30 / 6.50 1.85 / 6.00 / 8.60 2.1 / 8.00 / 11.0
COP (Nom.) - 5.25 4.80 4.60
47 / 55 ºC
CAP (Nom./Max.) kW 4.30 / 6.00 6.00 / 7.50 8.00 / 9.50
COP (Nom.) - 3.00 2.85 2.80
-7 / -8 ºC
30 / 35 ºC
CAP (Nom./Max.) kW 4.50 / 5.30 5.30 / 6.20 5.80 / 7.50
COP (Nom.) - 2.8 2.70 2.70
47 / 55 ºC
CAP (Nom./Max.) kW 4.00 / 4.20 4.70 / 5.00 5.00 / 5.50
COP (Nom.) - 2.00 1.80 1.75
OAT
(DB/WB)
WIT / WOT - Unit
Cooling operation
(Using cooling kit accessory)
35 / -- ºC
12 / 7 ºC
CAP (Nom/Max) kW 4.00 / 5.00 5.30 / 6.00 6.50 / 7.00
EER (Nom.) -
4.00 3.60 3.35
23 / 18 ºC
CAP (Nom/Max) kW 5.50 / 6.40 6.30 / 7.70 7.00 / 9.00
EER (Nom.) - 5.40 5.30 5.00

Hitachi YUTAKI S COMBI Series Specifications

General

Brand	Hitachi
Model	YUTAKI S COMBI Series
Category	Heat Pump
Language	English