Hitachi RWD-3.0NRWE-260S User Manual

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Refrigerant piping size
Piping connection size of outdoor unit & indoor unit
Indoor unit
Model
Pipe size
Model
Pipe size
Gas pipe Liquid pipe Gas pipe Liquid pipe
2 HP
Ø 12.7 (1/2”) (*)
Ø 6.35 (1/4”) 2.0 HP
Ø 15.88 (5/8”) (*)
Ø 6.35 (1/4”)
2.5 HP Ø 6.35 (1/4”) (*) 2.5 HP Ø 9.52 (3/8”) (*)
(3-6) HP Ø 15.88 (5/8”) Ø 9.52 (3/8”) (3.0-6.0) HP Ø 15.88 (5/8”) Ø 9.52 (3/8”)
8 HP
Ø 25.4 (1”)
Ø 9.52 (3/8”) 8 HP
Ø 25.4 (1”)
Ø 9.52 (3/8”)
10 HP Ø 12.7 (1/2”) 10 HP Ø 12.7 (1/2”)
? NOTE
(*): The refrigerant gas piping size for 2/2.5 HP and the refrigerant liquid piping size of 2.5 HP are different between outdoor and indoor unit. Therefore,
refrigerant pipe adapters are required to connect these units. Pipe size must be installed according to the outdoor units. These pipe adapters are factory
supplied with the outdoor unit.
Model
Pipe adapter
Gas pipe Liquid pipe
2 HP Ø15.88→Ø12.7 -
2.5 HP Ø15.88→Ø12.7 Ø9.52→Ø6.35
5.2.1.1 Refrigerant charge before shipment (W
0
(kg))
YUTAKI S/S COMBI
Outdoor unit model W
0
(kg)
RAS-2WHVNP 1.4
RAS-2.5WHVNP 1.5
RAS-3WHVNP 1.7
RAS-4WH(V)NPE 3.3
RAS-(5/6)WH(V)NPE 3.4
RAS-8WHNPE 5.0
RAS-10WHNPE 5.3
YUTAKI S80
Model W
0
(kg) R410A W
0
(kg) R134a
Outdoor unit
RAS-4WH(V)NPE 3.3 -
RAS-(5/6)WH(V)NPE 3.4 -
Indoor unit RWH-(4.0-6.0)(V)NF(W)E - 1.9
YUTAKI M
Model W
0
(kg)
RASM-4(V)NE 2.8
RASM-(5/6)(V)NE 3.1
REFRIGERANT AND WATER PIPING
PMML0510 rev.1 - 10/2019
38

Hitachi RWD-3.0NRWE-260S Specifications

General

Brand	Hitachi
Model	RWD-3.0NRWE-260S
Category	Heat Pump
Language	English