E-
41
ENGLISH
DHW tank (Continued)
Piping diagram
The product must be installed without any water leakage.
Please verify that the DHW tank and other components are properly installed and reinstall them
if necessary.
- Use certified components and the correct tools.
- Keep adequate space for the installing.
M3S
M
WATER RETURN
WATER FLOW
OVERVIEW
OPTION SANITARY WARM WATER TANK
Outdoor
unit
Hydro
unit
FCU
or
Radiator
Field installation
(Delivered with Hydro unit)
Field supply
Option
DHW tank
(*)
(*)
(*)
(*)
Tw4
t >
WATER MAIN IN
WATER MAIN OUT
WATER RETURN
WATER FLOW
TPRV
(*)
DHW tank
Field installation except DHW Tank
No.
Note
1
Service valve
2
3 way diverting valve
3
Drain valve
4
T-Joint
5
Tundish
6
Expansion vessel
7
T-Joint
8
Expansion relief valve
9
T-Joint
10
Pressure reducing valve with integrated check valve and strainer
TW4 Temperature sensor for DHW tank
3
9
10
6
8
7
5
4
2
1
1
The table above contains the different components of the functional diagrams.
NH080PHXEAHydro unit_IM_E 32659-1.indd 41
2010-07-28 ｿﾀﾈﾄ 8:59:51
