Danfoss KP 15 Manuel utilisateur

max ⁄in

(3 mm)

A: 10 – 32 UNC

Threads (4 holes) B: Enclosure ~NEMA1

ptest max.

510 psig (35 bar pe)

ptest max.

285 psig (20 bar pe)

Installation guide

Pressure switch

KP 15, KP 17W, KP 17B, KP 25

060R9747

t1min.: -40 °F (-40 °C)

-13 °F (-25 °C) (PED approved products)

t1max.: 149 °F (65 °C)

Ambient temperatures / Mounting requirements

KP 15

man. (LP) / man. (HP) reset

KP 15, KP 17B

auto. (LP) / man. (HP) reset

KP 15, KP 17W, KP 25

auto. (LP) / auto (HP) reset

Enclosure

CAUTION:

The mounting panel must be plane to avoid damage of control.

CAUTION:

Do not mount the control in a position where dirt,

sediment, or oil will aect the operation of the control.

CAUTION:

Do not install these controls on ammonia systems.

Refrigerants:

R22, R134a, R404A, R407A, R407C, R407F, R422B, R422D,

R448A, R449A, R450A, R452A, R507A, R513A

For complete list of approved refrigerants, go to http://products.danfoss.com/all-products/

Test pressure (Ptest)

Connections Assembly

Wiring

All wiring should conform to the National

Electrical Code and local regulations.

SPDT

Controls with low pressure (LP) signal

Terminal block

Controls with low pressure (LP)

and high pressure (HP) signal)

Terminal block

CAUTION:

Use terminal screws furnished

in the contact block.

Use tightening torque 20 lb. in (2.3 Nm).

Use copper wire only.

Low pressure (LP) side:

A-C close on LP rise

A-C open on LP drop

High pressure (HP) side:

A-C open on HP rise

A-C close on HP drop

LP signal option:

A-B close on LP drop

See label for current wiring inside cover.

CAUTION:

Use terminal screws furnished

in the contact block.

Use tightening torque 20 lb. in (2.3 Nm).

Use copper wire only.

Low pressure (LP) side:

A-C close on LP rise

A-C open on LP drop

High pressure (HP) side:

A-C open on HP rise

A-C close on HP drop

LP signal option:

A-B close on LP drop

HP signal option:

A-D close on HP rise

Function

Contact load ratings

See label inside cover

120 V AC 16 FLA, 96 LRA

240 V AC 8 FLA, 48 LRA

240 V DC 12 W pilot duty

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.

= Load

= Signal option

= Bellows movement

on pressure rise

= Bellows movement

on pressure drop

Note!

2 | 520H11520 | DKRCC.PI.CA0.B3.22

KP 15

A. MAN./MAN. RESET

KP 15, KP 17B

B. AUTO/MAN. RESET

KP 15, KP 17W, KP 25

C. AUTO./AUTO. RESET

Reset options

LP man. LP auto. LP auto. LP man.

HP man. HP man. HP auto. HP auto.

Manual tripping

(Electrical contacts/wiring test)

Note:

On controls with LP and/or HP man. reset, push corresponding

LP and/or HP man. reset knob during tripping.

Trip:

use FINGERS ONLY! (Do NOT use screwdriver)

To resume control operation after safety cut-out,

push man. reset knob as indicated.

Note:

LP man. reset is possible only after system pressure

has risen above cut-in value.

HP man. reset is possible only after system pressure

has dropped below cut-out value.

Manual reset

Convertible reset

Insert a screwdriver into the slot on the lock disc and turn

it to desired reset conguration. Do not turn the screw

on the lock disc as it may damage the convertible reset

mechanism.

Note:

Do not select automatic reset if safety of the system requires

manual reset.

Note:

Selected reset conguration may be protected against

unauthorized actions applying a seal.

LP side HP side

Adjustment spindle(s) location

Use screw

driver only

Adjustment

Note:

Remove lockplate before adjustment.

Replace lockplate after adjustment (if desired).

1. Adjust range spindle

to desired CUT-IN value.

2. Adjust dierential spindle to desired

DIFFERENTIAL (DIFF.) value.

CUT-IN minus DIFFERENTIAL

equals CUT-OUT

Example: Example:

CUT-IN equals CUT-OUT plus

DIFFERENTIAL

CUT-OUT minus DIFFERENTIAL

equals CUT-IN

1. Adjust range spindle

to desired CUT-IN value.

2. DIFFRENTIAL (DIFF.) is xed.

Value printed on scale plate.

1. Adjust range spindle

to desired CUT-OUT value.

2. DIFFRENTIAL (DIFF.) is xed.

Value printed on scale plate.

CUT-IN – DIFF. = CUT-OUT

30 psig – 10 psi = 20 psig

(2.1 bar) (0.7 bar) (1.4 bar)

CUT-OUT+ DIFF. = CUT-IN

12 psig + 10 psi = 22 psig

(0.8 bar) (0.7 bar) (1.5 bar)

Example:

CUT-OUT– DIFF. = CUT-IN

203 psig – 58 psi = 145 psig

(14 bar) (4 bar) (10 bar)

Low pressure (LP) side setting High pressure (HP) side setting

Setting

KP 15, KP 17W, KP 17B and KP 25

with LP auto. reset only

KP 15, KP 17W, KP 17B and KP 25

with HP auto. or man. reset

KP 15A with LP man. reset only

KP 15A with convertible LP auto.

man. reset

LP scale

HP scale

KP 15:

10 psi (0.7 bar)/rev

KP 25:

7 psi (0.5 bar)/rev

LP range

LP dierential

HP range

Increase

360°

Decrease

360°

Increase

360°

Decrease

360°

Decrease

360°

Increase

360°

KP 15:

2 psi (0.15 bar)/rev

KP 25:

1.5 psi (0.1 bar)/rev

KP 15:

33.5 psi (2.3 bar)/rev

⁄ in

(6 mm)

Lockplate

4 | 520H11520 | DKRCC.PI.CA0.B3.22

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