Owner's manual

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SECTION 3 HPN-IOM-2014-0416 OPERATION
3-3
! WARNING
Pressurizing a drum to force  uid into
the system is not recommended. The
drum may explode, creating a hazard
to personnel and equipment.
During operation, any leaks are
usually detected by a small amount
of vapor. Leaks should be attended
to as soon as possible because under
certain circumstances, such as
saturated insulation, thermal  uid
can ignite when exposed to air and
heat.
4 CAUTION
Do not use this equipment if any part
has been under water (or subjected to
heavy rains/water if the equipment
does not have NEMA 4 wiring, controls
and instrumentation). Immediately
call a quali ed service technician to
inspect the equipment and to replace
any part of the control system and/or
gas control(s) which have been under
water.
Commissioning/Start up by a non-
Fulton authorized person will void the
product warranty.
Please read these instructions and
post in an appropriate place near the
equipment. Maintain in good legible
condition.
The system pump is not to be used to  ll
the system.
A pump that has been used for water
or a di erent thermal  uid should not
be used prior to extensive cleaning.
Thermal  uid can be damaged by
contact with moisture or other  uids.
2. Filling must be carried out from the lowest point in the system in order to
prevent air pockets from forming.
3. A drain and  ll point (generally a 3/4” threaded coupling) is provided on
the inlet to the pump suction on skid-mounted units.
4. Typically a portable, high velocity pump, such as the type used for
chemical transfer, is appropriate for  lling the system. Where only one or
two drums of  uid are required, a handheld pump may be practical.
 Filling Procedure for Systems Open to Atmosphere
Adhere to the following:
1. Follow the instructions in Fill The System section of this manual.
2. Check to see that the liquid level switch operates freely. To con rm
operation of the liquid level switch, manually trip the liquid level switch.
Unit should shut down; pump will stop.
3. Fill the system slowly, closing all opened bleed and drain valves as  uid
reaches them.
4. When the  uid reaches and  ows from the expansion tank low level
manual test connection, begin slowing down the  lling process.
5. Close the low level connection and continue to  ll until the liquid level
switch closes. After  uid appears in the low level connection, only a small
amount of additional  uid should be required.
6. If  uid is observed coming from the expansion section high level manual
test connection, drain  uid from the tank until the level is between the
liquid level switch and the high level connection.
7. Filling is complete when the  uid has reached the lowest level in the
expansion tank required to actuate the liquid level switch.
8. As oil reaches a vent, close it. After all vents have been closed, and you
believe the system to be full, stop  lling. Start the circulating pump as
described in Initial Start-Up: Cold Circulation section of this manual.
Leave the  ll equipment connected as cleaning the strainer may create the
need for more oil in the system.
9. Verify to see that the liquid level switch operates freely. To con rm
operation of the liquid level switch, manually trip the liquid level switch.
Unit should shut down; pump will stop.
 Filling Procedure for Systems Equipped with Inert Blankets
Adhere to the following:
1. Follow the instructions in Fill The System section of this manual.
2. Inspect the system to be sure all valves are open and all drains are closed.
3. Open all high point air vents.