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Appendix C: Additional modules and repair kits
42
Additional modules
ACT-1
Actuator Module
One open and one close relay
Potentiometer feedback input
IN-4
Input Module
Connections for four sensors
RM-2
Relay Module
Two high-capacity, general-
purpose relays
Current sensing
RM-4
Relay Module
Four general-purpose relays
VAC-1
Variable AC Module
One variable output
Temperature probe connector
Single-Phase Slave connection
VCM-DC
Variable Chimney Module (DC)
Two 0 to 10 V DC signal
outputs
One measuring fan input
VDC-4
Variable DC Module
Four 0 to 10 V DC signal
outputs