User guide

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3-5
SECTION 3 FTCS-IOM-2013-1114 OPERATION
! WARNING
All information in this manual is for
reference and guidance purposes,
and does not substitute for required
professional training, conduct,
and strict adherence to applicable
jurisdictional/professional codes and
regulations.
4 CAUTION
Operation of the circulating pump
for any amount of time without  rst
bleeding will result in equipment
damage.
If  uid temperature exceeds 150°F
during start-up and no  ow has been
induced, discontinue start-up and
contact Fulton Service Department.
Failure to do so may cause equipment
damage.
Circulating Pump
Adhere to the following:
1. Read manufacturer’s instruction manual thoroughly. If the pump is
supplied by Fulton Thermal Corporation, manufacturer’s literature is
included with this manual.
2. Never run the pump without  uid in the casing. For pumps equipped
with mechanical or air-cooled seals, air must be bled out of the stu ng
box area to ensure that thermal  uid has lubricated all seal and bearing
areas. Operation of the pump even a short time without bleeding  rst will
damage the pump.
3. Use the thermal  uid as a barrier  uid. Remove the 3/8” plug at the barrier
 uid  ll port. Fill the cavity with thermal  uid until it comes out of the
over ow tube. Replace the 3/8” plug.
 Pump With Mechanical/Air Cooled Seal
Adhere to the following:
1. Open the air bleed connection located directly over the pump shaft.
Replace plug when a steady stream of thermal  uid, free of entrained air,
 ows from the port.
2. If  ow has not started after two to  ve minutes, remove the coupling
guard and rotate the pump shaft by hand in the proper direction. This
should help move the cold viscous  uid through close tolerance seal areas.
Replace plug when  ow is steady.
3. If this fails to induce  ow, introduce  uid through the bleed port and rotate
the shaft by hand to work the  uid around the seal area. Continue to add
 uid and rotate the shaft until no more  uid can be added.
4. Replace the plug and run pump for  ve to ten seconds. Stop the pump,
remove the plug and wait for  ow to start. If after two minutes  ow has
not started, add more  uid as described above and run the pump for  ve
minutes.
5. Constantly check the bearing area (located immediately behind the casing)
for overheating. Remove the plug and check for  ow.
6. If  ow has not started at this point, the  uid may be too viscous to move
through the seal area. Start the system normally by selecting heat on the
control panel, and raise the temperature 50°F. Continue to raise the system
temperature by 50°F increments. Keep checking the pump until  ow starts.
NOTE:  If at 150°F (65.5°C) there is still no  uid  ow, discontinue start-up
and contact Fulton Service Department immediately.
7. The pump should not be subjected to thermal or pressure shock. The
thermal  uid should, therefore, be allowed to  ow into the casing slowly.