Danfoss KP 44 Manuale utente

Ptest max.

19 bar Pe

Ptest max.

25 bar Pe

(275 psig)

(362 psig)

Installation guide

Dual pressure switch

Type KP 44

060R9766

Ambient temperatures

t1min. -40 °C (-40 °F)

t1max. 65 °C (150 °F)

Caution: Do not mount the control in a position

where dirt, sediment or oil will aect the operatio

of the control.

Test pressure (p test)

Control Safety

Control PS/MWP 17 bar Pe(245 psig)

Safety PS/MWP 17 bar Pe(245 psig)

Connections

1. Lefthand pressure setting spindle

2. Dierential setting spindle

3. Main arm

4. Righthand pressure setting spindle

5. Main spring

6. Dierential spring

7. Bellows

8. Pressure connections

9. Contact system

10. Terminal

11. Earth terminal

12. Cable entry

13. Tumbler

14. Locking plate

15. Impulse lever

The switch in the KP has a snap-action function and the

bellows moves only when the cut-in or cut-out value is

reached.

Enclosure

Caution: The mounting panel must be plane

to avoid damage of control.

Mounting

1. Adjust range spindle to

desired CUT-IN value

2. Adjust dierential

spindle to desired

DIFFERENTIAL (DIFF.)

value

1. Adjust range

spindle to desired

CUT-OUT value.

2. DIFFERENTIAL (DIFF.)

is xed. Value printed

on scale plate.

2 DKRCC.PI.CD0.B2.02 / 520H8364 © Danfoss A/S (AC-MCI /jmn), 2014-01

Caution:

Disconnect power supply before wiring connections are made or service to avoid possible electrical shock or

damage to equipment. Do never touch live parts with your ngers or with any tool.

Electrical connections

Setting

CONTROL side setting SAFETY side setting

CUT-IN equals CUT-OUT minus CUT-IN equals CUT-OUT plus

DIFFERENTIAL DIFFERENTIAL

Example: Example:

CUT-OUT– DIFF. = CUT-IN CUT-OUT + DIFF. = CUT-IN

8 bar (116 psi) – 2 bar (29 psi) = 6 bar (87 psi) 4 bar (58 psi) + 1 bar (15 psi) = 5 bar (73 psi)

Adjustment

Control side setting Control side dierential

Safety side setting

Note:

Remove lockplate before adjustment

Replace lockplate after adjustment (if desired).

When used acc. to UL regulations

Listed refrigeration

controller 61B5

Voltage FL

Resist.

load

Pilot

duty

AC DC

240

120

848 8 A 3 A

16 96 16 A

240 12 W

Use copper wire only

Tightening torque 20 lb.in.

AC 1: 16 A

400 V

AC 3: 16 A

AC 15: 10 A

DC 13: 12 W 220 V

Electrical ratings

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