R845 Honeywell Switching Relay Wiring Diagram. Universal switching relay application the r8845u universal switching relay provides inter mediate switching of line and low voltage devices from a line or low voltage controller. Ra89a ra832a and r845a.
From a cold start and with 24vac applied and within the ambient temperature range the r841 switch contacts make between 40 80 seconds after a call for heat. Circulator pump relay wiring honeywell r845a heating help. 230v 50 60hz 5a n l.
It reveals the parts of the circuit as simplified shapes and also the power and signal connections between the gadgets.
Is it possible that those terminals are. 51 wiring for a basic boiler not requiring a pump overrun. The house has an existing honeywell r845 switching relay to controll the second zone in the house. Honeywell r845a1030 switching relay with internal transformer provides dpst switching for hot water zone control systems or spst control of two separate loads enclosed intermediate dpst switching relay for 24 volt 2 wire thermostat control of one line voltage and one line or low voltage devices.