Typical Installation Samples - Hitachi RWM-(H)FSN3E Technical Catalogue

11 Installation
configurations

11.1.2 Typical installation samples

N O T E
The following installation examples show typical configurations only for heating application. In case of varia-
tions of them, the responsability of correct system functioning will be of the installer.
The configuration examples given below are only for illustration purposes.

Installation example 1
Only space heating application: Space heating using radiators (fan coils) or radiant floor application with an optional room
thermostat
R410a

Installation example 2
Space heating and Domestic Hot Water Tank application: Space heating using radiators (fan coils) or radiant floor applica-
tion with an optional room thermostat and domestic hot water tank combination.
R410a
149
TCGB0070 rev.3 - 04/2012
High Temperature Low Temperature
(60ºC) (35ºC)
High Temperature Low Temperature
(60ºC) (35ºC)
T
DHWT
EH DWHT
3-WAY VALVE
Item Description
1 Outdoor unit
2 Indoor unit
3 Heat exchanger
4 Electrical heater
5 Water pump (primary)
6 Valves (factory supplied)
Item Description
1 Outdoor unit
2 Indoor unit
3 Heat exchanger
4 Electrical heater
5 Water pump (primary)
6 Valves (factory supplied)
Domestic Hot Water Tank
7
(DHWT) (accessory)
3-way valve for DHWT (acces-
8
sory)
3-way valve for DHWT output
A
signal
B DHWT electrical heater signal
DHWT sensor signal (acces-
C
sory)
11