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2.4.
SYSTEM PHASING-HIGH LEG DELTA SYSTEMS
For systems using high leg delta 240V 3 phase 4 wire systems, connection of supply
conductors must have the correct phasing as shown below.
All installation and/or service work performed must be done by qualified
personnel only. Failure to do so may cause personal injury or death.
PM059 REV 9 14/01/16
TS 830 TRANSFER SWITCH
WARNING!
Failure to match correct system phasing
will result in serious damage to the
controller.
Automatic Transfer
Switch (Utility Supply)
PH A
PH B
(UA)
(UB)
B
(Orange)
(High Leg)
240V
208V
A
120V
(Red)
N
(White)
CAUTION!!!
4
PH C
Neural
(UC)
(N)
240V
C
120V
(Yellow)
Thomson Power Systems
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