Space Cooling (Necessary Cooling Kit); R410A Hydraulic Working Range; Hydraulic Data - Hitachi YUTAKI Series Installation And Operation Manual

WORKING RANGE

4.3.4 Space cooling (Necessary cooling kit)

Water outlet
temperature (ºC)


4.4 R410A HYDRAULIC WORKING RANGE

4.4.1 Hydraulic data


YUTAKI S
MODEL
Minimum water flow rate (*1)
Maximum water flow rate (*1)
Minimum installation water volume (*2)
Minimum allowable water pressure
Maximum allowable water pressure

YUTAKI S COMBI
MODEL
Minimum water flow rate (*1)
Maximum water flow rate (*1)
Minimum installation water volume (*2)
Minimum allowable water pressure
Maximum allowable water pressure

YUTAKI S80
MODEL
Minimum water flow rate (*1)
Maximum water flow rate (*1)
Minimum installation water volume (*2)
Minimum allowable water pressure
Maximum allowable water pressure
26 PMML0510 rev.1 - 10/2019
Refreshing floor

working area
Fan coil working
area

Ambient temperature
(ºC(DB))
2.0 HP 2.5 HP
m /h 0.5
3
m /h 1.9
3
l 28
MPa
MPa
2.0 HP
m /h 0.5
3
m /h 1.8
3
l 28
MPa
MPa
4.0 HP
Version for
indoor unit
alone
m /h 1.0
3
m /h 2.8
3
l 40
MPa
MPa
 Continuous working range.
 Maximum setting temperature.
 Minimum setting temperature.
3.0 HP 4.0 HP
0.6 0.6 1.0
2.0 2.1 2.9
28 28 38
2.5 HP 3.0 HP
0.6 0.6
1.9 1.9
28 28
5.0 HP
Version for
Version for
combination
indoor unit
with DHW
alone
tank
2.5 3.2
5.0 HP 6.0 HP 8.0 HP
1.1 1.2
3.0 3.0
46 55
0.1
0.3
4.0 HP 5.0 HP
1.0 1.1
2.7 2.8
38 46
0.1
0.3
Version for
Version for
combination
indoor unit
with DHW
alone
tank
1.1
2.7 3.2
50
0.1
0.3
10.0 HP
2.0 2.2
4.5 4.6
76 79
6.0 HP
1.2
2.8
55
6.0 HP
Version for
combination
with DHW
tank
1.2
2.7
50