Hitachi YUTAKI S Series User Manual

ENGLISH
4.3 HYDRAULIC WORKING RANGE
4.3.1 Hydraulic data

YUTAKI S
MODEL 2.0 HP 2.5 HP 3.0 HP 4.0 HP 5.0 HP 6.0 HP 8.0 HP 10.0 HP
Minimum water ow rate (*1) m
3
/h 0.5 0.6 0.6 1.0 1.1 1.2 2.0 2.2
Maximum water ow rate (*1) m
3
/h 1.9 2.0 2.1 2.9 3.0 3.0 4.5 4.6
Minimum installation water volume (*2) l 28 28 28 38 46 55 76 79
Minimum allowable water pressure MPa 0.1
Maximum allowable water pressure MPa 0.3

YUTAKI S COMBI
MODEL 2.0 HP 2.5 HP 3.0 HP 4.0 HP 5.0 HP 6.0 HP
Minimum water ow rate (*1) m
3
/h 0.5 0.6 0.6 1.0 1.1 1.2
Maximum water ow rate (*1) m
3
/h 1.8 1.9 1.9 2.7 2.8 2.8
Minimum installation water volume (*2) l 28 28 28 38 46 55
Minimum allowable water pressure MPa 0.1
Maximum allowable water pressure MPa 0.3

YUTAKI S80
MODEL
4.0 HP 5.0 HP 6.0 HP
Version for
indoor unit
alone
Version for
combination
with DHW
tank
Version for
indoor unit
alone
Version for
combination
with DHW
tank
Version for
indoor unit
alone
Version for
combination
with DHW
tank
Minimum water ow rate (*1) m
3
/h 1.0 1.1 1.2
Maximum water ow rate (*1) m
3
/h 2.8 2.5 3.2 2.7 3.2 2.7
Minimum installation water volume (*2) l 40 50 50
Minimum allowable water pressure MPa 0.1
Maximum allowable water pressure MPa 0.3

YUTAKI M
MODEL 3.0 HP 4.0 HP 5.0 HP 6.0 HP
Minimum water ow rate (*1) m
3
/h 0.6 1.0 1.1 1.2
Maximum water ow rate (*1) m
3
/h 2.1 2.8 3.0 3.0
Minimum installation water volume (*2) l 28 38 46 55
Minimum allowable water pressure MPa 0.1
Maximum allowable water pressure MPa 0.3
? NOTE
• (*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.
WORKING RANGE
PMML0335A rev.1 - 04/2016
69

Hitachi YUTAKI S Series Specifications

General

Brand	Hitachi
Model	YUTAKI S Series
Category	Heat Pump
Language	English