Space Cooling; Hydraulic Working Range; Hydraulic Data - Hitachi YUTAKI M RASM-3WF2E Installation And Operation Manual

4.2.4 Space cooling
77 (25)
71.6 (22)
68 (20)
60.8 (16)
59 (15)
50 (10)
41 (5)
32 (0)
41 50
59
(10)
(5)
(15)
Ambient temperature °F (°C)

4.3 Hydraulic working range

4.3.1 Hydraulic data
MODEL
Minimum water flow rate (*1)
Maximum water flow rate (*1)
Minimum installation water volume (*2)
Minimum allowable water pressure
Maximum allowable water pressure

NOTE
• (*1): Values calculated based on the following conditions:
» Water inlet/outlet temperature: 86/95 °F (30/35 °C)
» Outdoor ambient temperature: (DB/WB): 44.6/42.8 °F (7/6 °C).
• (*2): Values calculated with an ON/OFF temperature differential value of 7.2 °F (4 °C).
PMEN0657 rev.0 - 02/2024
114.8
95 113
77 86
(46)
(30)
(35) (45)
(25)
GPM (m /h)
3
GPM (m /h)
3
gal (l)
psi (MPa)
psi (MPa)
Continuous working range
Refreshing floor
working area
Fan coil
working area
131
(55)
3 RT
4.4 (1.0)
12.8 (2.9)
13.2 (50)
14.5 (0.1)
43.5 (0.3)
4 RT
5.3 (1.2)
13.2 (3.0)
14.5 (55)
4
14.5 (0.1)
43.5 (0.3)
17