Temperature Range; Heating Mode - Hitachi RWM-(H)FSN3E Technical Catalogue

6 Working range

6.1 Temperature range

MODEL
Water temperature
Minimum flow rate
Maximum flow rate
Minimum installation water volume
Minimum allowable water pressure
Maximum allowable water pressure MPa

6.1.1 Heating mode


Space heating
Water outlet
temperature
(ºC)
*
( )

Domestic Hot Water Tank heating
DHWT water
temperature
(ºC)
92
TCGB0070 rev.3 - 04/2012
RWM-2.0 RWM-3.0
(H)FSN3E (H)FSN3E
ºC
m /h 0.5 0.9
3
m /h 2.2 2.6
3
l 28 28
MPa
( )
Heating space normal working area
(Water rule: 0.2 - 2.2)
DHWT heating working area with combined
boiler and/or electric heater
( )
*
DHWT heating normal working area
by air to water heat pump
RWM-4.0 RWM-5.0 RWM-6.0
(H)FSN3E (H)FSN3E (H)FSN3E
Refer to the graphics for each case
1.0 1.1
3.3 3.6
38 46
0.1
0.3
*
N O T E
(*): 2HP system only
Ambient
(RAS-2HVRN2 + RWM-2.0(H)FSN3E).
temperature
(ºC WB)
N O T E
(*): 2HP system only
(RAS-2HVRN2 + RWM-2.0(H)FSN3E).
(**): DHWT maximum water temperature
default value by air to water heat pump
is 54ºC, but it depends on the field ins-
tallation and the selected tank.
(**)
Ambient
temperature
(ºC WB)
RWM-8.0 RWM-10.0
(H)FSN3E (H)FSN3E
1.2 2.0 2.2
3.6 4.7 4.8
55 76 79