For The User - Nibe PUB2 160 User's And Installer's Manual

For the User

MAINTENANCE
SAFETY VALVE (NOT SUPPLIED)
The water heater's safety valve sometimes releases a
little water after hot water usage. This is because the
cold water, which enters the water heater, expands
when heated causing the pressure to rise and the safety
valve to open.
The function of the safety valves must be regularly
checked, about four times a year, to prevent clogging.
To inspect the valve, open the safety valve manually
and check that water is flowing through the overflow
pipe. If this is not happening, the safety valve is defect-
ive and must be replaced.
EMPTYING
Close the incoming flow to the charge coil.
1.
2. Shut off the incoming cold water.
3. Loosen the cover of the drain valve and install a
suitable hose.
Open the drain valve.
4.
During draining, air must be let into the water heater by
loosening a hot water connector (XL4) or opening a hot
water tap.
To ensure that the water heater drains completely, a
hose or a pipe with an outlet below the lowest level of
the water heater must be attached to the drain connec-
tion or drain valve. When installed in a location that is
exposed to the risk of frost, the water heater must be
emptied whenever it is not in operation. Freezing could
result in the water heater bursting.
SERVICE
For service, contact the installer. Serial number (PF3)
(14 digits) and installation date should always be stated.
Only replacement parts supplied by NIBE may be used.
18 PUB2/PUB2 DS 160-500 | GB