60 HZ CONTROL TRANSFORMER CONNECTIONS
NOTE: transformer must be set at proper tap for proper operation.
The controls transformer is located inside the control trough and steps a range of 208 to 240 volts down
to 115VAC and 24VAC. There are two terminals on the controls transformer for the primary (incoming)
power. Use the terminal marked “208V” for power supplies between 208 and 219 volts. Use the
terminal marked “240V” for power supplies between 220 and 240 volts. Refer to the following for control
transformer connections.
CONTROLS TRANSFORMER (230V 50 Hz models only)
The controls transformer is located inside the control trough and steps a range of 180 to 255 volts down
to 24 volts. There are two terminals on the controls transformer for the primary (incoming) power. Use the
terminal marked “L1 200V” for power supplies between 180 and 229 volts. Use the terminal marked “L1
230V” for power supplies between 230 and 255 volts.
50 Hz Control Transformer Connections
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Part # 8533-110-001 11/20