Hitachi UTOPIA R32 Series User Manual

30
PMEN0654 rev.0 - 12/2023
6
RAS-(2-3)HVRC3
REFRIGERANT PIPING LENGTH
◆ Maximum height dierence (claricaon)
ืืืื
20m
ื
30m
IU1
OU1
OU1
ื
3m
IU1
IU2
ื
3m
ื
3m
OU1
ืืืื
20m
ืืืื
30m
OU1
 NOTE
All pictures are as example. Branch and headers are not showed as real sizes or real picture, for the
installaon of this components follow the technical documentaon.
6.1.3 Combinaons of piping size and piping length
Liquid
Ø6.35
Ø9.52
Gas Ø9.52 Ø12.70 Ø15.88 Ø19.05 Ø12.70 Ø15.88
Performance capacity (m)
2 HP 15
(1)
50 30 - 15
(3)
15
(3)
2.5 HP - 50 30 - 20
(3)
20
(3)
3 HP - 30
(1) (2)
30
(2)
- 30
(1)
50
Standard
(1) Reducing gas pipe size will lower cooling capacity due to larger pressure loss in gas piping and narrow operaon
range.
(2) Reducing liquid pipe size will narrow operaon range due to indoor unit relaon with expansion valve capacity.
(3) Increasing liquid pipe size will require addional refrigerant charge.

Hitachi UTOPIA R32 Series Specifications

General

Brand	Hitachi
Model	UTOPIA R32 Series
Category	Air Conditioner
Language	English