6 Chromalox 1603 User's Manual
Power Line and Grounding
Figure 8
Pow er Supply
10
9
N
Power Supply
100 to 240 Vac
or 24 Vac/Vdc
Notes:
1. Before connecting the power line, check that the
voltage is correct (see Model Identification, pg. ii).
2. For supply connections use 16 AWG or larger wires
rated for at least 75 °C.
3. Use copper conductors only.
4. Do not run input wires with power cables.
5. Polarity does not matter for 24 Vdc wiring.
6. The power supply input is NOT fuse protected.
Please provide external fusing.
When the fuse is damaged, it is advisable to verify the
power supply circuit. Return the controller to Chromalox
for test and verification.
7. Safety requirements for permanently connected
equipment:
• Include a switch or circuit-breaker in the
installation.
• Place the switch in close proximity to the
equipment and within easy reach of the
operator.
• Mark the switch as the disconnecting device for
the equipment.
Note:
A single switch or circuit-breaker can drive more
than one controller.
8. When the NEUTRAL line is present, connect it to
terminal 10.
9. To avoid shock and possible controller damage,
connect power last.
Power supply Type Current Voltage
24 V AC/DC T 500 mA 250 V
100/240 V AC T 125 mA 250 V
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