Hitachi YUTAKI S RWM-2.0NE - Page 67

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Model for solar combination
Model
RWD-2.0
NW(S)E-
260S
RWD-2.5
NW(S)E-
260S
RWD-3.0
NW(S)E-
260S
RWD-4.0
NW(S)E-
260S
RWD-5.0
NW(S)E-
260S
RWD-6.0
NW(S)E-
260S
Domestic hot water tank
Casing material Stainless steel
Tank
Nominal water volume L
RWD-NWE-200S: 200 L
RWD-NWE-260S: 260 L
Net water volume L
RWD-NWE-200S: 190L
RWD-NWE-260S: 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
(Heating coil)
Quantity - 1
Coil surface area m
2
1.60
Internal coil volume L 20.37
Heat exchanger
(Solar coil)
Quantity - 1
Coil surface area m
2
0.37
Internal coil volume L 7.90
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
55