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25
The water is cold when only a
single xture is open.
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0.5 gallons (2L) per minute.
Open the xture more or open other xtures so that a
greater
ow passes through the unit, and the unit should
begin heating again.
Amount of Hot Water
The amount of hot water at a
certain xture is not constant.
r
When hot water is demanded at other xtures, the amount
available may be reduced. The maximum ow available
from
UIF&/8*-4&18*-4JT(1.-NJO
at a
45°F (25°C) temperature rise. The maximum ow available
GSPNUIF&/8*-4&18*-4JT(1.-NJOBU
a 45°F (25°C) temperature rise.
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cause the temperature and pressure at a xture to be
unstable, but it should stabilize after a short time.
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large volumes of hot water at rst but stabilize after time.
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amount of water that can ow through it to a small amount
initially, but the amount increases over time.
The amount of hot water in the tub
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bath tub, the tub will not ll as much.
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If there is water in the tub already, or when lling is stopped
and restarted, the tub will ll more.
The ow meter alarm does not
sound even when lled to the set
amount.
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is continuously discharged for the set volume of water.
If mixing valves are used, or if cold water is mixed with hot
water at the xture, the tub will ll more than the setting
of the ow meter alarm.
Amount of hot water available
has decreased over time.
Fluctuations in hot water
temperatures.
r4FUXBUFSUFNQFSBUVSFBU°F to 120°F or 48°C (118°F) to
50°C (122°F). This will allow you to use a higher ow of hot
water thus meeting the minimum ow requirement of 0.5
(1.-NJO
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p.23)
Setting temperature cannot
rise.
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p.17)
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p.23)
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scale can build-up in the water heater and decrease
the maximum amount of hot water available. Scale can
be removed from the water heater by ushing the unit
periodically. To prevent scale from forming in the water
heater, a water softener or scale inhibitor is recommended.
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