This page covers relays and our variable speed control module. These units allow the Vesta to sense and control high voltage devices.
RC-4DD Relay Control Module
This model replaces and is functionally identical to the RM-1207. The Vesta RC-4DD control relay module contains four relays capable of controlling pumps, valves, motors, or other electrical loads. It is available in two configurations. They are the same except that the LED model adds four status LEDs to show which relays are active.
RI-110A Sense Relay Module - High Voltage
This model replaces and is functionally identical to the RI-1209. The Vesta RI-110A sense relay module contains four relays capable of sensing the state of high voltage (110Vac) devices such as pumps, valves, motors, or other electrical loads. It is available in two configurations. They are the same except that the LED model adds four status LEDs to show which relays are active.
RI-024A Sense Relay Module - Low Voltage
This model replaces and is functionally identical to the RI-1210. The Vesta RI-024A sense relay module contains four relays capable of sensing the state of low voltage (24Vac) devices such as thermostats, zone valves, and other common HVAC devices. It is available in two configurations. They are the same except that the LED model adds four status LEDs to show which relays are active.
VS-1108 Variable Speed Control Unit
The VS-1108 is an external control unit that allows the Vesta system to turn a single-speed fan, blower, or circulator into a variable speed device.
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