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CC1N7865en

01.09.2005

Building Technologies

HVAC Products

865

Compact

Universal Controllers

RWF40...

The RWF40... is a universal digital boiler temperature / pressure controller with

functions designed specifically for the control of heat generating plant.

The RWF40... and this Data Sheet are intended for use by OEMs which integrate

the controller in their products!

Mechanical design

The controller is supplied complete with housing for flush panel mounting. The

RWF40... is matched to the controlled variable and the required setpoint range by mak-

ing parameter settings. The control parameters can be set and optimized while the

burner is running. All settings are made with 4 buttons located on the unit front and are

directly displayed.

LEDs on the front indicate the following operating states:

- Control ON / OFF

- Positioning pulses ON or OFF for driving the burner´s air damper when using

modulating burner control, or stage I / stage II when using 2-stage burner control

- «2-stage» operating mode

- Position of the configurable contact «K6»

- Manual control ON / OFF

During operation, the digital display above the LEDs shows the setpoint (green), the

actual value (red) and – when making parameter settings – the relevant parameters.

RWF40... complete with housing

1 2 3 4 5 6 7 8 9 10

Sommario

Pagina 1 - RWF40

CC1N7865en 01.09.2005 Building TechnologiesHVAC Products 7865 Compact Universal Controllers RWF40... The RWF40... is a universal digital boil

Pagina 2 - HVAC Products 01.09.2005

10/10 Building Technologies CC1N7865en HVAC Products 01.09.2005 Dimensions (cont´d) Dimensions in mm 8312,57,545681536094451361,4335,587865m0

Pagina 3

2/10 Building Technologies CC1N7865en HVAC Products 01.09.2005 Warning notes To avoid injury to persons, damage to property or the environment,

Pagina 4

3/10 Building Technologies CC1N7865en HVAC Products 01.09.2005 Type summary Controller with RWF40.000A97 - 3-position output - housing - fixing

Pagina 5

4/10 Building Technologies CC1N7865en HVAC Products 01.09.2005 Technical data Mains voltage AC 110...240 V +10 % / -10 % Mains frequency 48...

Pagina 6

5/10 Building Technologies CC1N7865en HVAC Products 01.09.2005 Function The RWF40... provides the following functions: - One digital PID contro

Pagina 7

6/10 Building Technologies CC1N7865en HVAC Products 01.09.2005 Function of the controller when used for burner control In low-fire operation, th

Pagina 8

7/10 Building Technologies CC1N7865en HVAC Products 01.09.2005 Function of the controller when used for burner control (cont´d) To acquire the

Pagina 9

8/10 Building Technologies CC1N7865en HVAC Products 01.09.2005 Connection diagram (basic diagram) Temperature and pressure control on a dual-fue

Pagina 10 - 7865m04/1004

9/10 Building Technologies CC1N7865en HVAC Products 01.09.2005 Dimensions Dimensions in mm 489691,5K6PGM EXITRWF40112Panel cutout to DIN 43 7004

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