Hitachi YUTAKI S80 Series - Yutaki S Combi

ENGLISH
3.4.2.2 YUTAKI S COMBI

Standard model and UK market model
Model
RWD-2.0NWE-
(200/260)S(-K)
RWD-2.5NWE-
(200/260)S(-K)
RWD-3.0NWE-
(200/260)S(-K)
RWD-4.0NWE-
(200/260)S(-K)
RWD-5.0NWE-
(200/260)S(-K)
RWD-6.0NWE-
(200/260)S(-K)
Domestic hot water tank
Casing material Stainless steel
Tank
Nominal water volume L
RWD-NWE-200S(-K): 200 L
RWD-NWE-260S(-K): 260 L
Net water volume L
RWD-NWE-200S(-K): 190L
RWD-NWE-260S(-K): 250L
Material - AISI 444
Max water temperature °C 75
Max water pressure bar 10
Max heating coil water
temperature
°C 75
Max heating coil water
pressure
bar 3
Tank
insulation
Material - NEOPOR
Thickness mm 50
Heat
exchanger
Quantity - 1
Coil surface area m
2
1.60
Internal coil volume L 20.37
Tank’s
heater
Quantity - 1
Type - Immersion heater type
Heater rating kW 2.7
Mechanical thermostat
(adjustable and security)
- Yes (adjustable 35~85ºC ; cut-out: 90ºC)
Water heat exchanger
Type - Brazed plate
Material - Stainless steel
Transfer uids - R410A - H
2
O
Quantity - 1
Internal refrigerant volume L 0.54 0.73 0.81 1.55 2.09 2.09
Internal water volume L 0.57 0.76 0.84 1.64 2.18 2.18
Insulation material - NBR + PVC
Water pump
Model - Yonos PARA RS15/7.0 Yonos PARA RS15/7.5
Type - Inverter
Control - PWM
Power supply - 1~ 230V 50Hz
Maximum lift pressure kPa 7.2 7.6
Maximum water ow m
3
/h 3.3 4.0
Maximum power input W 45 75
Piping
Water inlet (in) G 1” G 1”
Water outlet (in) G 1” G 1”
Inlet/outlet distance mm 130 130
Water electric heater
Material
-
Stainless steel (Immersion heating element)
Power supply
-
1~ 230V 50Hz
1~ 230V 50Hz /
3N~ 400V 50Hz
Maximum electric heater power
kW
3.0 6.0
Regulated electric heater power (step 1/
step 2/ step 3)
kW
1.0/2.0/3.0 2.0/4.0/6.0
Thermostat security
-
Yes (Cut-out: 90ºC)
GENERAL DATA
PMML0335A rev.1 - 04/2016
53