12
Water Supply Quality
Chloride and pH
In high chloride water supply areas, the water can corrode some parts and cause them to fail. Where the
chloride level exceeds 200mg/litre, warranty does not apply to the heat pump unit and tank unit. pH is a
measure of whether the water is alkaline or acid. In an acidic water supply, the water can attack the parts
and cause them to fail.
No warranty applies to the heat pump unit and tank unit where the pH is less than 6.0. The water supply
from a rainwater tank unit in a metropolitan area is likely to be corrosive due to the dissolution of
atmospheric contaminants.
Water with a pH of less than 6.0 may be treated to raise the pH. It is recommended that an analysis of
the water from a rainwater tank be conducted before connecting this type of water supply to the system.
Figure 6:
Change of Water Supply
Changing or altering from one water supply to another can have detrimental effects on the operation
and/or the life expectancy of the water tank unit cylinder, PTR valve, water heating circulation and the
heat exchanger in the system. Where there is a changeover from one supply to another, for example, a
rainwater tank supply, desalinated water supply, public reticulated water supply or water brought in from
another supply, then water chemistry information should be sought from the supplier, or the water
should be tested to ensure it meets the warranty requirements in this installation manual.
Circulating Water Pump Flow
Changing or alternating from one supply to another can have a detrimental effect on flow rate in loop
between heat pump and tank: 390L/h; actual measurement: 6.5L/min (6.5L x 60min = 390L/hour).
Periodic Inspection:
Contact Eco Alliance Pty Ltd for Servicing Quotes
•
It is recommended that a periodic inspection of the operating controls, heating elements and wiring
should be made by service personnel qualified in electric appliance repair. Most electrical
appliances, even when new, make some sound when in operation. If the hissing or singing sound
level increases excessively, please contact your dealer.
•
Additionally, it is also recommended that the evaporator and refrigeration circuit are checked every
two years for dust and residues. In dusty environments it may be necessary to have the appliance
checked and cleaned on a more regular basis.
•
Relief valve leading gear should be operated AT LEAST ONCE EVERY SIX MONTHS. If water
does not discharge freely when the lever is operated, the valve should be checked by an
authorised agent.
Содержание DYNAHEAT ECO-155LE
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