Hydraulic Working Range - Hitachi YUTAKI Series Instruction And Operation Manual

WORKING RANGE

4.3 HYDRAULIC WORKING RANGE

4.3.1 Hydraulic data
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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

YUTAKI M
MODEL
Minimum water flow rate (*1)
Maximum water flow rate (*1)
Minimum installation water volume (*2)
Minimum allowable water pressure
Maximum allowable water pressure
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N O T E
• (*1): Values calculated based on the following conditions:
- Water inlet/outlet temperature: 30/35ºC
- Outdoor ambient temperature: (DB/WB): 7/6ºC
• (*2): Values calculated with an ON/OFF temperature differential value of 4ºC.
69 PMML0335A rev.1 - 04/2016
2.0 HP 2.5 HP
m /h 0.5 0.6
3
m /h 1.9 2.0
3
l 28 28
MPa
MPa
2.0 HP 2.5 HP
m /h 0.5 0.6
3
m /h 1.8 1.9
3
l 28 28
MPa
MPa
4.0 HP
Version for
Version for
combination
indoor unit
with DHW
alone
tank
m /h 1.0
3
m /h 2.8 2.5
3
l 40
MPa
MPa
3.0 HP
m /h 0.6
3
m /h 2.1
3
l 28
MPa
MPa
3.0 HP 4.0 HP 5.0 HP
0.6 1.0 1.1
2.1 2.9 3.0
28 38 46
0.1
0.3
3.0 HP 4.0 HP
0.6 1.0
1.9 2.7
28 38
0.1
0.3
5.0 HP
Version for
Version for
combination
indoor unit
with DHW
alone
tank
1.1
3.2 2.7
50
0.1
0.3
4.0 HP 5.0 HP
1.0
2.8
38
0.1
0.3
6.0 HP 8.0 HP 10.0 HP
1.2 2.0 2.2
3.0 4.5 4.6
55 76 79
5.0 HP 6.0 HP
1.1 1.2
2.8 2.8
46 55
6.0 HP
Version for
Version for
combination
indoor unit
with DHW
alone
tank
1.2
3.2 2.7
50
6.0 HP
1.1 1.2
3.0 3.0
46 55