Shutdown

NOTICE

Proper system setup, startup, and shutdown procedures are critical to electrical equip- ment reliability. The following procedures ensure steady voltage. Failure to follow these procedures will cause voltage fluctua- tions that can damage electrical equipment and void the warranty.

1.Shut off A , B , and heat zones.

2.Park pumps.

a.Press .

b.Trigger gun until pump A stops in the retracted position and the pressure of both pumps bleeds down.

Shutdown

9. Close both fluid supply valves (FV).

FV

ti9883a

10. Shut down feed pumps as required.

3. Turn main power OFF

.

4.Relieve pressure, page 39.

5.Turn off the air compressor and air dryer, if included.

6.Open air compressor bleed valve to relieve pressure and remove water from tank.

7.Turn off the main breaker on the generator.

8.Allow generator dwell time, per manufac- turer recommendations, prior to shutdown.

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Graco H25, H50, H40 important safety instructions Shutdown