CM-2201/CM-2202
Appendices
CM-2202 Wiring Diagram
Appendix B
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www.nelsonheaters.com
GA2497 Rev.6
23
Notes:
1.
All Alarms Output are SSR N.O.
2.
All RTD’s must have the Shield connected to Ground Bus.
3.
Remove Jumper JP1 only if the controller is in RS485 Network AND is not the last unit on the Network.
4.
Connect Controller Power Supply as follows;
Controller Independently Powered
Controller powered in parallel with CH.1
Controller powered in parallel with CH.2
Connect power supply directly to conn3
Jumper CONN4-L1 to CONN3-L1
&
CONN4-L2/N to CONN3-L2/N
Jumper CONN5-L1 to CONN3-L1
&
CONN5-L2/N to CONN3-L2/N