Operation Principle - Rinnai Prestige Operation & Installation Manual

opeRaTIon pRInCIple

Close coupled systems are designed to have the solar collectors on the roof and the storage cylinder above the
collectors, all mounted using available mounting brackets� Electric and gas boosted models are available� The
system comprises of a hot water storage cylinder and solar collectors� Close coupled solar systems use the
thermo-syphon principle to circulate the water through the collectors and then to the storage cylinder without the
need for a pump�
Supplementary heating is provided if insufficient heat is available from sun (such as during cloudy or rainy weather
or during winter months) either via an electric heating element located inside the storage cylinder or via a gas
booster located external to the storage cylinder� The following diagrams illustrates the Close Coupled Solar Hot
Water Systems set up for electric and gas boosting�
COLD WATER
SUPPLY
HOT WATER
DELIVERY
Glass Lined Gas Boosted Solar Hot Water System
COLD WATER
SUPPLY
HOT WATER
DELIVERY
Stainless Steel Gas Boosted Solar Hot Water System
Rinnai
STORAGE CYLINDER
COLLECTORS
GAS BOOSTER
GAS SUPPLY
STORAGE CYLINDER
COLLECTORS
GAS BOOSTER
GAS SUPPLY
WaRnIngs anD IMpoRTanT InfoRMaTIon
COLD WATER
HOT WATER
SUPPLY
DELIVERY
Glass Lined Electric Solar Hot Water System
COLD WATER HOT WATER
SUPPLY DELIVERY
Stainless Steel Electric Solar Hot Water System
7
STORAGE CYLINDER
COLLECTORS
STORAGE CYLINDER
COLLECTORS
CC OIM Issue 9