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Penn F261 Series, Руководство по установке

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Table 8: Flow rates for standard models, 6 in. paddles, GPM (m

3

/hr)

GPM (m

3

/hr) required to activate switch for pipe size (in.)

4

5

6

8

Flow increase

(Close R to Y)

37.0 (8.40)

57.0 (12.9)

74.0 (16.8)

205 (46.6)

Minimum adjustment

Flow decrease

(Close R to B)

27.0 (6.13)

41.0 (9.31)

54.0 (12.3)

170 (38.6)

Flow increase

(Close R to Y)

81.0 (18.4)

118 (26.8)

144 (32.7)

415 (94.3)

Maximum adjustment

Flow decrease

(Close R to B)

76.0 (1.93)

111 (25.2)

135 (30.7)

400 (90.8)

Table 9: GPM (L/Min) required to actuate F261 Series Low Flow Switches

Pipe size

1

1/2 x 1/2 in. female
NPTF

1

2

3/4 x 3/4 in. female
NPTF

2

3

3/4 x 3/4 in. female
NPTF

3

Flow increase

(R to Y Closes)

1.30 (4.92)

2.00 (7.57)

10.90 (41.26)

Minimum adjustment

Flow decrease

(R to B Closes)

0.60 (2.27)

0.60 (2.27)

7.20 (27.25)

Flow increase

(R to Y Closes)

2.60 (9.84)

3.60 (13.63)

17.00 (64.35)

Maximum adjustment

Flow decrease

(R to B Closes)

1.25 (4.73)

1.30 (4.92)

14.20 (53.75)

1

F261KEH-V01C, F261MEH-V01C

2

F261KFH-V01C, F261MFH-V01C

3

F261KFH-V02C (designed for steam applications)

Figure 14: Pressure drop against flow rate for sample F261 Series Low-Flow Switches

Note: 

This chart is correct for F261KEH-V01C, F261MEH-V01C, F261KFH-V01C, and F261MFH-V01C low-flow switches.

F261 Series Flow Switches Installation Guide

8

Содержание F261 Series

Страница 1: ...ystème de contrôle doit intégrer des dispositifs de protection supplémentaires Veiller dans ce cas à intégrer de façon permanente d autres dispositifs tels que des systèmes de supervision ou d alarme ou des dispositifs de sécurité ou de limitation ayant une fonction d avertissement ou de protection en cas de défaillance ou de dysfonctionnement du flow switch WARNING Risk This product is made of a ...

Страница 2: ...Dimensions Figure 1 F261 standard flow switch dimensions in mm Figure 2 F261 low flow switch dimensions in mm F261 Series Flow Switches Installation Guide 2 ...

Страница 3: ...the pipe wall Important Do not install the flow paddle in such a way that it touches the pipe or any restrictions in the pipe If the flow paddle touches the pipe or restrictions in the pipe the switch may not correctly detect changes in fluid flow 2 If necessary trim a larger flow paddle at the arc corresponding to the pipe diameter For trimming information see Figure 3 Table 1 and Figure 6 3 Use ...

Страница 4: ...he enclosure Use a pipe union on each side of the flow switch to allow for easy removal or replacement Do not allow the pipe to extend too far into the flow switch casing Use pipe thread sealer or Teflon tape on the male threads only Do not remove the case to cover O ring on Type 4 IP67 enclosures Figure 6 Trimming diagram for the large flow paddle For standard 1 in x 1 in pipe installation mount ...

Страница 5: ...stance of at least five pipe diameters from the nearest elbow valve or other pipe restriction B Flow C Tee or welded half coupling When you mount the flow switch on a horizontal pipe mount the flow switch within 60 degrees of vertical See Figure 9 Figure 9 Correct flow switch angle Note Do not subject the flow switches to water hammer Use a suitable water hammer arrester if a fast closing valve is...

Страница 6: ...action Switch closure Increase Red to yellow Decrease Red to blue Setup and adjustments CAUTION Risk of property damage Do not set the switch lower than the factory setting The switch is factory set at approximately the minimum flow rate A lower setting may result in the switch failing to return to a no flow position which may result in damage to the controlled equipment or other property ATTENTIO...

Страница 7: ...et minimum value Turn the adjustment screw clockwise to raise the flow rate required to activate the switch See Figure 12 Figure 13 Minimum adjustment Table 6 Minimum adjustment callouts Callout Description A Wiring terminals B Adjustment screw C Main lever Table 7 Flow rates for standard models 1 3 in paddles GPM m3 hr GPM m3 hr required to activate switch for pipe size in 1 1 1 1 4 1 1 1 2 1 2 2...

Страница 8: ...1 1 2 x 1 2 in female NPTF 1 2 3 4 x 3 4 in female NPTF 2 3 3 4 x 3 4 in female NPTF 3 Flow increase R to Y Closes 1 30 4 92 2 00 7 57 10 90 41 26 Minimum adjustment Flow decrease R to B Closes 0 60 2 27 0 60 2 27 7 20 27 25 Flow increase R to Y Closes 2 60 9 84 3 60 13 63 17 00 64 35 Maximum adjustment Flow decrease R to B Closes 1 25 4 73 1 30 4 92 14 20 53 75 1 F261KEH V01C F261MEH V01C 2 F261K...

Страница 9: ... failure Replace the flow switch The switch does not activate due to debris in the switch mechanism Clear any debris from within the switch mechanism Test the operation of the switch several times for correct operation The control switch action is reversed Ensure that the connections follow the wiring diagrams Table 11 Troubleshooting Symptom Solution The control does not switch Check the electric...

Страница 10: ...s Low Flow 1 2 in x 1 2 in Female NPTF 3 4 in x 3 4 in Female NPTF Maximum fluid pressure 290 psi 20 bar Minimum fluid temperature 20 F 29 C Note Ensure that the low liquid temperature combined with the low ambient temperature does not lead to freezing the liquid inside the body or if applicable the bellows Observe the liquid freezing point Maximum fluid temperature 250 F 121 C Note At higher ambi...

Страница 11: ...exigences du Règlement sur le matériel brouilleur du Canada Product warranty This product is covered by a limited warranty details of which can be found at www johnsoncontrols com buildingswarranty Software terms Use of the software that is in or constitutes this product or access to the cloud or hosted services applicable to this product if any is subject to applicable end user license open sourc...

Страница 12: ... 2020 Johnson Controls All rights reserved All specifications and other information shown were current as of document revision and are subject to change without notice www penncontrols com ...

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