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2472 DI HEATER OPERATION / MAINTENANCE MANUAL
PAGE 15
!
CAUTION:
Depending on installation and routing of water supply
lines, a trip hazard may be created. It is the responsibility of the
facility installation personnel to eliminate or minimize any and all trip
hazards or identify such hazards with visual warning signs.
Lockout
and
Tagout
facility circuit breaker before servicing system.
Remove the power box front panel to allow access to the electrical
connections.
Route the wires from the electrical source (480 VAC 3-phase) into
and through the conduit opening and into the electrical box. Top or
bottom conduit connections are provided (see Figure 3-1: Facility
Installation Layout).
Add supplementary insulation (heat shrink) to exposed conductors
between the conduit opening and terminations on the circuit breaker.
Connect the 480 VAC supply grounding connector to the grounding
lug and the other three lines into the top of the circuit breaker
connections (L1, L2, and L3) as shown in Figure 3-3: Main Breaker
Hook-Up (torque wire terminal connections to 120 in/lb.).
Figure 3-3: Main Breaker Hook-Up
(insert new pic like figure 3-4 in t-
series manual, needs to be created)
Unlock and turn on facility circuit breaker.
Follow heater Pre-Start Inspection (see Section 5.1).
NOTE:
Before starting the system, it is important to become familiar with
Section 4, Operation. Only trained, qualified, authorized, personnel
should operate this system.
