Trebor Q-Series Di Water Heater - Manual (Page 7)

Q-SERIES DI HEATER OPERATION / MAINTENANCE MANUAL PAGE 7
2.3 LOCKOUT / TAGOUT
2.3.a Preliminary
Before installation or servicing the DI water heater, the facility’s power
source to the heater must be de-energized to prevent serious injury to
personnel and equipment. An authorized employee representing the
facility installing the DI water heater must follow approved company
guidelines and lockout or use suitable means to prevent re-energizing the
electrical system during installation or servicing.
2.3.b Definitions
Lockout: the placement of a lockout device on an energy isolating
device, in accordance with established company procedures, ensures
that the energy isolating device and the equipment being controlled
cannot be operated until the lockout device is removed.
Tagout: a prominent warning device such as a tag and a means of
attachment, which can be securely fastened to an energy isolating device
in accordance with established company procedure, ensures that the
energy isolated device and the equipment being controlled may not be re-
energized or operated until the tagout device is removed.
This table lists the Lockout/Tagout information for the system.
Energy Type Electrical
Hazard: Electrocution, electrical burns, and shock
Magnitude: 480 VAC or 415 VAC or 380 VAC or 208 VAC
See system label for exact voltage.
Control Method: Main Power
Shutdown Procedure
Switch off main circuit breaker disconnect handle at side of system.
2.3.c Machine Lockout with access panels installed
Perform the following sequence of events in the order listed for electrical
energy isolation of the tool:
1. Notify personnel in the area that you are going to shut down the
equipment.
2. Shutdown the system in an orderly fashion.
3. Locate the main incoming power disconnect switch-actuating handle.
4. Move the actuating handle to the "OFF" (down) position.