The water is cold when only a
single fixture is open.
Fluctuations in hot water
temperatures.
Setting temperature cannot rise.
The amount of hot water at a
certain fixture is not constant.
The amount of hot water in the tub
The flow meter alarm does not
sound even when filled to the set
amount.
Amount of hot water available
has decreased over time.
0.5 gallons (2L) per minute.
Open the fixture more or open other fixtures so that a
greater flow passes through the unit, and the unit should
begin heating again.
50°C (122°F). This will allow you to use a higher flow of hot
water thus meeting the minimum flow requirement of 0.5
Amount of Hot Water
When hot water is demanded at other fixtures, the amount
available may be reduced. The maximum flow available from
45°F (25°C) temperature rise. The maximum flow available
a 45°F (25°C) temperature rise.
cause the temperature and pressure at a fixture to be
unstable, but it should stabilize after a short time.
large volumes of hot water at first but stabilize after time.
amount of water that can flow through it to a small amount
initially, but the amount increases over time.
bath tub, the tub will not fill as much.
If there is water in the tub already, or when filling is stopped
and restarted, the tub will fill more.
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 fixture, the tub will fill more than the setting
of the flow meter alarm.
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 flushing the unit
periodically. To prevent scale from forming in the water
heater, a water softener or scale inhibitor is recommended.
°F to 120°F or 48°C (118°F) to
(
p.23)
(
p.23)
p.17)
at a
25