Maintenance (cont’d)
C. GENERAL CLEANING INSTRUCTIONS
The steam generator will automatically drain completely .every .fine it is turned "
OFF
". This must be done every day
to minimize build-up of scale inside the boiler.
In addition to daily draining, once a month the following routine should be followed:
WARNING:
BEFORE YOU BEGIN TO CLEAN THE UNIT, UNPLUG THE POWER SUPPLY CORD, OR
DISCONNECT THE ELECTRIC POWER SUPPLY AT THE CIRCUIT BREAKER OR FUSE BOX.
1. Turn the generator completely off, following the instructions on page 6.
2. Allow the generator to cool down.
3. Eliminate any remaining steam pressure by lifting the handle of the pressure relief valve.
4. Remove the brass plug from the front of the generator.
5. Open the manual drain valve.
6. Wash out the inside of the boiler with a water hose. The rinse water, along with the accumulated solids, will wash down
the drain.
7. Close the manual drain valve.
8. Replace the brass plug. Use pipe joint compound or Teflon tape on the threads to ensure a tight seal, and tighten the
brass plug securely.
CAUTION:
AVOID DAMAGE TO ELECTRICAL COMPONENTS—DO NOT USE WATER OR STEAM
HOSE ON EXTERIOR OF UNIT.
As an alternative to the routine above, you may make the following steps
1. Turn the generator off and allow it to cool
2. Push the "ON/OFF" switch to "ON", so water will flow into the generator.
3. Open the manual drain valve and allow the unit to flush itself out for approximately 15 minutes.
4. Close the manual drain valve.
5. Turn the unit "OFF".
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Содержание NGB
Страница 18: ......
Страница 20: ......
Страница 22: ...For NGB 2 NGB 2 E Made After August 7 1991...
Страница 23: ...Electrical Schematics For NGB 2 made between January 1 1988 and August 7 1991...
Страница 24: ...Electrical Schematics For NGB NGB E made before January 1 1988...
Страница 25: ...Wiring Ladder Diagrams...