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System drawings
6.2
6
56
System PACi/ECOi DHW
Standard system
with circulation pipe and
temperature control system
2
1
3
(Field supplied) accessories
A Pressure control valve if inlet city water is
more than 6 bar (field supplied)*
B Strainer (field supplied)*
C Expansion tank if check valve or pressure
control valve is mounted (field supplied)*
D Circulation water pump (e.g. Grundfos
comfort UP 15–14 BA PM, field supplied)
For a hotel or apartment complex where the last room is more than 30 meters away from the
DHW tank, a water pump (for example type Grundfos comfort UP 15-14 BA PM) should be
installed in order to obtain hot water quickly.
Remember to install a return pipe for pump circulation of maximum Ø15 mm and make sure that
supply and return pipes are well insulated to minimise heat loss.
* This is supplied in UK as part of optional accessory (PAW-G3KITL).
** For models PAW-750LDHW-1 and PAW-1000LDHW-1. The pressure temperature relief valve is factory
fitted as standard.
7
City Water in
E Safety valve 6 or 9.5 bar (field supplied)**
F Temperature control valve (field supplied)
G Water pipe inlet/outlet VP1000L/750
H PAW-VP-RTC5B-PAC/VRF controller
6
7
5
Ø15 mm max.
8
(35 mm) VP500L/200 (22 mm)
PAW-VP•LDHW - Technical Manual – 2020-07
4
DHW
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