Rinnai REU-VR1620WB, Service Manual

Page: 14 / 55

REU-VR1620WG / REU-VR1620WB / REU-VR1620WS / REU-VR2024WG - 9 - Issue 1 - 5/08/09 ©Rinnai
Principle of Operation - Solar Hot Water Systems Only
Figure 3 - Principle of Operation - Solar Hot Water Systems Only
Gas Supply
Return Line
Isolation V
alve
Non-Return V
alve
Pressure Limiting 500 kPa V
alve (Mandatory)
Line Strainer
Expansion Control 700 kPa V
alve (Mandatory)
Cold W
ater
Supply
Smartstart installed with Rinnai gas boosted solar hot water system. Refer to Rinnai manuals supplied with appliances for important installation information. Installations MUST
conform to local regulations.
Rinnai Smartstart Unit
Manual
Activation Switch (not supplied)
W
ater controllers MUST NOT
be used!
Solar Pump &
Controller Box
PTR V
alve (supplied
with tank), rating as per
the tank’
s data plate
Rinnai Continuous Flow W
ater
Heater - Gas Booster
WS
Outlets to Personal Hygiene areas to
be tempered to 50°C as per
AS3500.4