Rinnai DD180 Operation And Installation Manual page 3

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RINNAI LIMITED WARRANTy
Warranty Terms for Rinnai Continuous Flow Water Heater
Extended Warranty for Rinnai Continuous Flow Water Heater Heat Exchanger
The parts warranty on heat exchangers in a Rinnai continuous flow water heater installed for
domestic use is 10 years pro rata (i.e. in the 4th year, 70% of the value of the part is covered
by the warranty and 40% of the value of the part is covered by warranty in the 7th year).
For Rinnai continuous flow water heater units installed for commercial use the parts warranty
for the heat exchanger is 5 years pro rata (i.e. in the 4th year, 40% of the value of the part is
covered by the warranty and 0% of the value of the part is covered by the warranty in the
5th year).
This warranty is subject to Terms and Conditions below.
All other parts and labour for the Rinnai continuous flow water heater are covered for 3 years
in accordance with the Terms and Conditions below.
Rinnai Continuous Flow Water Heater Warranty - Terms and Conditions
1.
During the warranty period and subject to clauses  and 3 below, Rinnai will, at its own
discretion, either replace or repair any defective product at no charge to the customer.
.
This warranty covers manufacturing defects only. This warranty will not apply (for example)
if the Rinnai continuous flow water heater has been improperly installed or is otherwise
installed contrary to manufacturer's recommendations, has been damaged during or
after installation, or has been subjected to damage or abuse beyond that expected from
conditions of normal use.
3.
Warranty claims may be invalid if not accompanied by details of the installing or
supervising gas fitters registration number and the gas fitting certification number.
4.
This warranty commences from the date of installation. Proof of purchase is required at the
time of the warranty claim.
5.
Servicing of the Rinnai continuous flow water heater is to be carried out by a Rinnai
authorised service centre.
Water Quality for Rinnai Continuous Flow Water Heater
Water quality outside the maximum recommended limits (as set down below) will void this
warranty. Water quality tests must be carried out at the customer's own cost but Rinnai will
reimburse any reasonable test costs if the product is found to be defective.
Water chemistry and impurity limits are detailed in the table below. 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.
Water Quality Limits - Standard Rinnai Continuous Flow Water Heater
TDS (Total
Total
Dissolved
Hardness
Solids)
CaCO
3
Up to 600mg/litre
Up to 00mg/
or ppm
litre or ppm
Examples of water quality issues where water may need to be treated:
Hard water (Wanganui)
Aggressive water (some areas of Christchurch)
Both hard and aggressive water (some bore water)
Rinnai New Zealand
Alkalinity
Dissolved
(as CaCO
)
(free) CO
3

Up to
Up to 5mg/
6.5 to 8.5
00mg/litre
litre or ppm
or ppm
pH
Chlorides
Magnesium
Up to
Up to 10mg/
300mg/litre
litre or ppm
or ppm
Demand Duo Lite Operation/Installation: 11451-A
3
Sodium
Iron
Langelier
Index
Up to
Up to
Between
150mg/litre
1mg/litre
-1.0 and 0.8
or ppm
or ppm
01-09

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