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Hints, 9 setting up a standard pressure application – Beckett RWF40 Hints Manual User Manual

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Preliminary

04.02.2003 HVAC Products

2. Hints

2.9 Setting up a standard pressure application

Using a QBE sensor,
Siemens part # QBE620-P10 [P10 is 150PSI]

Configure

If no keys are pressed for 20 seconds, the controller will exit this

mode, and return to the basic display.

See Hint section 2.2, ‘How to configuration your RWF40”.

(From the basic display, or user level,
press

and hold, for 3 seconds,

and then release, and again,

press and hold, for 3 seconds,

and then release)


The actual value display, (

9030

)

shows the current configuration item value.

The setpoint display, (

C111

)

shows the configuration item you are adjusting.

The display is steady, (not flashing) and by default,
the 4

th

, (rightmost) digit may now be adjusted.


You can select which digit you wish to adjust, by
pressing

once and releasing it. The 3

rd

digit is now

flashing, indicating that it is now, the adjustable digit.

Cycle thru each digit of C111 and configure as charted
below, then accept by pressing

and releasing.


All four upper digits will flash once, and the new
configuration value, is displayed in 4 steady digits.

Press

and release, to configure C112, C113, … thru Df1.

Configuration level values:


Item
Description

Value

* Sec

C111

G000

Analog input 1

9

Std Signal 0-1VDC

8.1

Analog input 2

0

none

8.1

Analog input 3

0

none

8.1

D2 function

0

none

8.1

C112

8200

8.1

Limit comparator

8

input 1

8.1

Controller type

2

modulating 4-20mA

8.1

Setpoint SP1

0

via buttons

8.2

Locking

0

none

8.2

C113

0220

Unit address

02

Modbus address

8.2

Decimal - Units

2

(%) no decimals

8.2

Out-of-range Signal

0

limit comparator OFF

8.2

SCL SCale Low

0

Analog input 1

8.3.1

SCH SCale High

150

Analog input 1

8.3.2

SCL2 SCale Low

0

Analog input 2

8.3.3

SCH2 SCale High

100

Analog input 2

8.3.4

SPL

SetPoint Low

150

limits low setpoint to 160

°F

8.3.5

SPH SetPoint High

15

limits high setpoint to 205

°F

8.3.6

OFF1 Actual value correction

0

Analog input 1

8.3.7

OFF2 Actual value correction

0

Analog input 2

8.3.8

OFF2 Actual value correction

0

Analog input 3

8.3.9

Df1

Digital filter time constant

0

Analog input 1

8.3.10

Set parameters

See Hint section 2.3, ‘How to adjust parameters’


The actual value display, (

0

)

shows the current parameter value.

The setpoint display, (

AL

)

shows the parameter item you are adjusting.

Increase

or decrease

the value,

accept it by waiting 2 seconds.

Once it flashes, proceed to the next parameter
(HYSt) by pressing

and releasing.


Adjust all of the parameters as shown below.

Parameter level values:

Value

Item

Description

* Sec

160

AL

Limit value for comparator

8.2

5

HYSt Switching differential for limit comparator

8.2

10

Pb.1

SPE setpoint external

9.2

80

dt

Derivative time

9.2

350

rt

Integral action time

9.2

-5

HYS1 Burner-on 5

°F below setpoint

5.5.1

3

HYS2 Burner-off, 2-stage

5.2.3

5

HYS3 Burner-off 5

°F above setpoint

5.5.1

0

q

Response threshold

5.6

1

H

Heating curve slope

5.5.1

0

P

Parallel displacement

5.5

Set user level values

See Hint section3.4, ‘How to change a setpoint’.


You may enter the user level, directly from
the basic display.

Press

and release.

The actual value display, (

180

)

shows the current user level item value.

The setpoint display, (

SP 1

)

shows the user level item you are adjusting.



Increase

or decrease

the value, accept it by

waiting 2 seconds. Once it flashes,
press

and release.


Adjust SP1 as shown below.

User level values:

Value

Item

Description

* Sec

100

SP 1

Set point 1

.5.5.1

Setup is complete!


* Sec

Refers to the RWF40 user manual section.