Page 2 - Check to ensure that wiring is in an orderly state
2/10 Building Technologies CC1N7865en HVAC Products 01.09.2005 Warning notes To avoid injury to persons, damage to property or the environment, the following warning notes should be observed! Do not open, interfere with or modify the controller! • All activities (mounting, installation and service w...
Page 4 - Technical data
4/10 Building Technologies CC1N7865en HVAC Products 01.09.2005 Technical data Mains voltage AC 110...240 V +10 % / -10 % Mains frequency 48...63 Hz Safety class II to DIN 0631 Mounting position optional Terminals for 2 x 1.5 mm² or 1 x 2.5 mm² Power consumption max. 10 VA Safety extra low-voltage DC...
Page 5 - Operating mode changeover
5/10 Building Technologies CC1N7865en HVAC Products 01.09.2005 Function The RWF40... provides the following functions: - One digital PID controller with a 3-position or analog output (optional) - To control 2-stage burners, the RWF40... can be switched over to provide 2-position control - Automatic ...
Page 6 - Function of the controller when used for burner control
6/10 Building Technologies CC1N7865en HVAC Products 01.09.2005 Function of the controller when used for burner control In low-fire operation, the RWF40... operates like a control thermostat or pressurestat. This means that it operates as a 2-position controller maintaining the required setpoint by s...
Page 7 - potentiometer in a 2-wire circuit
7/10 Building Technologies CC1N7865en HVAC Products 01.09.2005 Function of the controller when used for burner control (cont´d) To acquire the actual value, a number of sensors can be connected to the RWF40... Measurement range Pt100 / IEC 751 -200...+850 °C (-328...+1562 °F) Pt1000 / IEC 751 -200.....
Page 8 - Note
8/10 Building Technologies CC1N7865en HVAC Products 01.09.2005 Connection diagram (basic diagram) Temperature and pressure control on a dual-fuel burner. Burner control and supervision are provided by burner control type LAL... or LFL... DC 24 V at terminals «G+» and «G-» is used for powering the QB...
Page 9 - Dimensions; Dimensions in mm; ARG40 adapter frame
9/10 Building Technologies CC1N7865en HVAC Products 01.09.2005 Dimensions Dimensions in mm 48 96 91,5 K6 PGM EXIT RWF40 112 Panel cutout to DIN 43 700 45 92 +0,6 +0, 8 43,5 127,5 15,5 78 65m 0 1e/ 03 00 7865m02/0799 ARG40 adapter frame
Page 10 - 005 Siemens Building Technologies Production GmbH
10/10 Building Technologies CC1N7865en HVAC Products 01.09.2005 Dimensions (cont´d) Dimensions in mm 83 12,5 7, 5 45 68 153 60 94 45 13 61,4 3 35, 5 8 7865m04/1004 ARG41 © 2005 Siemens Building Technologies Production GmbH Subject to change!