Hot Water Delivery Temperature - Rinnai Prestige Operation & Installation Manual

The collector flow and return pipes must be copper tube or alternative material pipe supplied by Rinnai.
Plastic pipe must not be used between collectors and cylinder or booster, as it is not suited to the high
WARNING
water temperatures and pressures that may occur�
Pipework must be copper tube or an equivalent metallic alternative specified by the manufacturer
WaTeR supply
The maximum water pressures for the various systems are listed on page 13� Approved pressure limiting valves
may be required if the 'Maximum' rated water supply pressures are exceeded� For gas boosted systems to achieve
the rated flow through the outlet of the continuous flow water heater, the minimum water supply pressures must be
supplied. The systems will operate at lower pressures but the rated flow will not be achieved.
Water chemistry and impurity limits are detailed in the separate warranty booklet� Most metropolitan water supplies
fall within these requirements� If you are unsure about water quality, contact your water authority� If sludge or
foreign matter is present in the water supply, a suitable filter should be incorporated in the water supply to the
storage cylinder�

HoT WaTeR DelIveRy TeMpeRaTuRe

Local regulations and/or the requirements of AS/NZS 3500.4 must be considered regarding the temperature
limitations of hot water supplied to areas used primarily for personal hygiene� The temperature of water to these
areas is limited to 45°C for early childhood centres, primary and secondary schools and nursing homes or similar
facilities for young, aged, sick or people with disabilities and 50°C for all other buildings� To comply with these
requirements, a temperature limiting device, such as a thermostatic mixing or tempering valve, will be required on
all solar hot water systems as detailed below�
Rinnai
COLD WATER
SUPPLY
HEATED WATER
GAS SUPPLY
FROM STORAGE
CYLINDER
Tempered Gas Hot Water System
COLD WATER
HEATED WATER
SUPPLY
FROM STORAGE
CYLINDER
Tempered Electric Hot Water System
InsTallaTIon - all sysTeMs
LAUNDRY BATHROOM
KITCHEN ENSUITE
TEMPERATURE
LIMITING
DEVICE
LAUNDRY
KITCHEN ENSUITE
TEMPERATURE
LIMITING
DEVICE
19
BATHROOM
CC OIM Issue 9