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Rinnai 16 HW_CF OIM
Service Connection Points
Refer to "Table 2. Supply, Flow rates, Weights & Flow & Service Connections" on page 27 for model specic
connection / tting dimension details.
An Approved full ow isolation valve and disconnection union MUST BE tted to the cold water and gas inlets.
A non return valve is not required on the water inlet unless required by local regulations.
Isolation Valves MUST NOT be tted directly to the appliance.
If may be necessary to t a temperature limiting device for delivery to areas used primarily for the purposes of
personal hygiene� Refer to "Hot Water Delivery Temperature" on page 17�
Purge gas and cold water supply lines to remove air and swarf before nal connection of the appliance. Swarf in
either the gas or water supplies may cause damage�
Pipe Sizing
If the gas pipe sizing is insufcient the customer will not get the full performance benet. Gas pipe sizing MUST
consider the gas input to this appliance as well as all the other gas appliances in the premises� The gas meter and
regulator MUST BE specied for this gas rate.
An approved sizing chart such as the one in AS/NZS 5601 should be used� Refer to "Table 2� Supply, Flow rates,
Weights & Flow & Service Connections" on page 27 for model specic gas consumption details.
Water pipe sizing and layout should be performed in accordance with AS/NZS 3500� All hot water pipe-work should
be insulated to optimise performance and energy efciency.
Water Supply
The appliance is intended to be permanently connected to the water mains�
Refer to "Table 2. Supply, Flow rates, Weights & Flow & Service Connections" on page 27 for model specic
operational water pressure limitations. Approved pressure limiting valves may be required if the ‘Maximum’ rated
water supply pressures in Table 2 are exceeded. To achieve the rated ow, the ‘Minimum’ water supply pressures
in Table 2 must be supplied�
The water heaters will operate at lower pressures but will not achieve the rated ow. Contact Rinnai for ‘gravity
fed’ or ‘low pressure’ installations�
Water chemistry and impurity limits are detailed under ‘Warranty Conditions’� Most metropolitan water supplies fall
within the requirements.
If you are unsure about your local water quality, contact your water authority. If sludge or foreign matter is present
in the water supply, a suitable lter or strainer is required in the water supply to the water heater to prevent
unwarranted damage and loss of performance�
GENERAL INSTALLATION INFORMATION
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