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76 RLC-SVD03A-EN
Module Power and Miscellaneous I/O
J7-8,9 Step Load Solenoid Normally open contact, closes to energize the Step Load Solenoid Valve.
J7-1, E7 Slide Valve Open
(Load Solenoid) Output
Triac Output, Refer to Checkout Procedure for MCSP Load/Unload
Outputs.
J7-1, E8 Slide Valve Close
(Unload Solenoid) Output
Triac Output, Refer to Checkout Procedure for MCSP Load/Unload
Outputs.
J8-1, 3 Fan Relay 1 Output Normally open contact for Variable Speed Fan contactor control.
J8-1, 4 Fan Relay 2 Output Normally open contact for fan contactor(s) control.
J8-1, 5 Fan Relay 3 Output Same as above.
J8-1, 6 Fan Relay 4 Output Same as above.
J9-6, 5 Variable Frequency
Fan Output PWM
10 Volt Peak, 10 Hz fundamental. Its average value can be read with a DC
voltmeter. Refer to Section 11 Variable Speed Fan System Trouble-
shooting.
J9-4, 3 Variable Frequency
Fan Fault Signal
Fault: 11 V (connector plugged on)
No Fault: 0 VDC (connector plugged on)
Refer to Section 11 Variable Speed Fan System Troubleshooting.
J9-2, 1 Not Used N/A
Table 22 Compressor Module Normal Terminal Voltages (1 U4 and 1 U5)
Te r mi nal
Designation
Description
of Circuit
Normal Terminal Voltages
for Various Conditions