72
14.1 - Gas supply
piping
WARNING!!!
Check that
the type and the pressure of the
gas supplied correspond with
those required for the heater
as stated on the rating plate.
Never use a gas different than
that stated on the heater rating
plate. Failure to comply with
this warning can result in a fire
or explosion causing extensive
property damage, severe
personal injury or death!
Connecting gas supply piping:
1. Refer to Figure 14-1 to pipe gas to
the heater.
a. Install ground joint union for
servicing, when required.
b. Install a manual shutoff valve in
the gas supply piping, outside
heater jacket
c. Manual main shutoff valves, must
be identified by the installer.
2. Install sediment trap / drip leg. (see
Figure 14-1).
3. Support piping with hangers, not by
the heater or its accessories.
WARNING!!!
Do not
attempt to support the weight of
the piping with the heater or its
accessories. Failure to comply
could result in severe personal
injury, death, or substantial
property damage.
4. Purge all air from the gas supply
piping.
5. Before placing the heater in
operation, check the heater and its
gas connection for leaks.
a. The appliance must be
disconnected from the gas
supply piping system during any
pressure testing of that system at
a test pressure in excess of 1/2
PSIG (3.5 kPa).
b. The appliance must be isolated
from the gas supply piping
system by closing a manual
shutoff valve during any pressure
testing of the gas supply piping
system at test pressures equal to
or less than 1/2 PSIG (3.5 kPa).
c. The appliance and its gas
connection must be leak tested
before placing it in operation.
Figure 14-1 Gas supply piping
INSTALL MANUAL SHUT-OFF
VALVE 5 FT (1.5m) ABOVE
FLOOR WHERE REQUIRED BY
LOCAL CODES
GROUND JOINT UNION
TO HEATER
SEDIMENT TRAP OR DRIP LEG
14 - INSTALLATION - Gas supply
WARNING!!!
Never use
an open flame to test for gas
leaks. Always use an approved
leak detection method. Failure
to comply with this WARNING
could result in an explosion!
6. Use pipe sealing compound
compatible with propane gas. Apply
sparingly only to male threads of the
pipe joints so that pipe dope does
not block gas flow.
WARNING!!!
Failure to
apply pipe sealing compound
can result in severe personal
injury, death, or substantial
property damage.
WARNING!!!
This heater is
typically shipped ready to fire
on natural gas. Check heater
rating plate to determine which
fuel the heater is set for. If set to
natural gas, it may be converted
to LP following instruction on
Section 14.6 or 14.7. Failure to
comply could result in severe
personal injury, death, or
substantial property damage.
WARNING!!!
Manual main
shutoff valve, must be identified
by the installer. Failure to comply
could result in fire or explosion
that can cause severe personal
injury, death, or substantial
property damage.
Содержание Esteem 399
Страница 3: ...3 SAFETY INSTRUCTIONS ...
Страница 5: ...5 SAFETY INSTRUCTIONS ...
Страница 112: ...112 17 MAINTENANCE ...
Страница 116: ...116 19 SPARE PARTS Spare parts ...
Страница 135: ......