12. Alarm Contacts 9-Terminal Block (in Figure 3-5: The terminal has a 300-V
rating and accepts 22–14 AWG wires (2.5 mm2 nominal). For wiring details,
refer to Table D - 2 in Appendix D.
Figure 3-5: Second View of the Top Side of the I/O Module
3.4.6.2 Left Side of the I/O Module
The left side of the I/O module (Figure 3-6) supports plug connectors and the fuse. An
extremely high degree of electrical and environmental protection is assured by a
covering plate over the connecting zone.
13. J2 Heater 6-Pin Connector: This connector is factory-wired to the heating
resistors of the Hydran 201Ti’s heating plate. For wiring details, see Table D-4
in Appendix D .
14. SW1 Voltage Selector: For wiring details, see Table D-3 in Appendix D. This
selector is used to choose between the following:
• 115 V, corresponding to 100–120 VAC 50/60 Hz.
• 230 V, corresponding to a 200–240 VAC 50/60 Hz.
15. F3 AC Line Fuse: The fuse holder is a standard 5 x 20 mm holder.
16. J3 AC Line 3-Pin Connector: This connector is factory-wired to the line filter.
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