A.O. Smith HSE-VAS-015 User Manual page 12

Connect one end of the discharge tube to
the Multi-function Safety valve and
connect the other end to the drain.
Note: The Multi-function Safety valve m ay drip during the usage of the heater. As the water
is heated, it expands and tries to flowback through the inlet pipe but is prevented by
the presence of the non-return valve. Hence water m ay drip from the Multi-function
Safety valve. Therefore a Discharge tube is given from the valve tip to a nearby drain.
T o avoid dripping, it is recom m ended to install non-return valve at a distance of
atleast 40 feet away from the inlet of the water heater.
prevent it from dripping or releasing the excess pressure inside the heater. Failure to do
so m ay result in dam age to the water heater and injuries to the user. This will also
m ake the warranty null and void.
Ensure that the free end of the Discharge tube is placed over a suitable drain and away
from the users.
Multi-function Safety valve) in case excessive pressure is developed. The contents of the
discharge from the Multi-function Safety valve m ay be hot and m ay cause burns to the
users and dam age nearby objects if not properly routed to a drain.
a regular basis to ensure that there are no blockages and also to rem ove any lim e
deposits that would have been form ed inside the water heater.
being operated. Ensure that the water is filled com pletely in the water heater before
switching it ON.
Figure 13
CAUTION
9
Blue Cap
Multi-function
Safety Valve
Discharge Tube
T o Drain