Danfoss KP 61 Manuale utente

t ≥ t + 2 °C (3.5 °F)

t

t

Danfoss

60-730.15

Varpor charge

KP 61, KP 62, KP 63 Max.

KP 68, KP 69 : 120 °C (250 °F)

KP 71, KP 73: 80 ° C (175 °F)

KP 75 : 110 °C (230 °F)

KP 77 : 130 °C (265 °F)

KP 79 : 150 °C (300 °F)

KP 81 : 200 °C (390 °F)

Varpor charge

Adsorption charge

Danfoss

60-731.14

Drip proof IP30

(EN 60529)

10 – 32 UNC

Danfoss

60-735.12

max. / in.

(3 mm)

Cable entry

/ in. int.

thread accepts

/ in. NPT or NPS

Danfoss

60-733.12

min. -40 °C (-40 ° F)

max. 65 °C (150 °F)

Danfoss

60-732.12

Installation guide

Thermostat

Types KP 61 - KP 81

060R9748

KP 61, KP 62, KP 63, KP 68, KP 69 vapor charge

KP 71, KP 73, KP 75, KP 77, KP 79, KP 81 adsorption charge (cross ambient)

Auto reset Manual reset Auto reset

(w/o hand knob) w/ hand switch

Types Bulb types

Varpor charge Adsorption charge

Mounting requirement Max. bulb temperature Ambient temperatures

Enclosure

Cable entry Required cap. tube length on evaporator

80 in. cap. tube: min. 16 in.

196 in. cap. tube: min. 22 in.

CAUTION: The mounting panel must be

plane to avoid damage of control.

2 DKRCC.PI.CA0.C1.22 / 520H8304 © Danfoss A/S (AC-MCI / jmn), 2013-11

Load Option A

CUT-OUT on temperature drop

Wire terminals 1 - 4:

CUT-IN = High Set Point (HSP)

see “Setting”

CUT-OUT = Low Set Point (LSP)

see “Setting”

Terms 1 - 4 close on temperature rise

Terms 1 - 4 open on temperature drop

Example: CUT-IN = 10 °C (50 °F)

CUT-OUT = 4.5 °C (40 °F)

This means

CUT-IN = HSP = 10 °C (50 °F)

and

CUT-OUT = LSP = 4.5 °C (40 °F)

Note:

 = Bellows movement on pressure rise

 = Bellows movement on pressure drop

The free terminal can be used for

signal purpose.

Load Option B

CUT-OUT on temperature rise

Wire terminals 1 - 2:

CUT-IN = Low Set Point (LSP)

see “Setting”

CUT-OUT = High Set Point (HSP)

see “Setting”

Terms 1 - 2 close on temperature drop

Terms 1 - 2 open on temperature rise

Example: CUT-IN = 0 °C (32 °F)

CUT-OUT = 10 °C (50 °F)

This means

CUT-IN = LSP = 0 °C (32 °F)

and

CUT-OUT = HSP = 10 °C (50 °F)

Manual reset

To resume control operation after safety

cut-out, push reset knob as indicated.

Note:

Man. reset is possible only after a

temperature rise of xed dierential (example

5.4 °F)

Note:

use FINGERS ONLY!

(Do NOT use screwdriver)

KP w/ manual reset

Note:

Push manual reset knob during manual

tripping.

Manual tripping

(Electrical contacts/wiring test)

Note:

use FINGERS ONLY!

(Do NOT use screwdriver)

KP w/ auto reset

Main

lever

Contacts

position

Main

lever

Contacts

position

Contacts

position

Contacts

position

120V a.c. 16 FLA, 96 LRA

240V a.c. 8 FLA, 48 LRA

240V d.c. 12W pilot duty

Wiring

CAUTION: Disconnect power supply before

wiring connections are made to avoid possible

electrical shock or damage to equipment.

All wiring should conform to the National

Electrical Code and local regulations.

Terminal block

CAUTION: Use terminal screws furnished

inthe contact block.

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

Use copper wire only.

Contact load ratings

Adjustment spindles location

Note

Remove lockplate before thermostat

adjustment. Replace lockplate after

adjustment (if desired).

RANGE DIFFERENTIAL

See printed instruction on top of control See printed instruction on top of control

increase temp. (warmer): turn CW Increase: turn CW

decrease temp. (colder): turn CCW decrease: turn CCW

(use adjustment knob) (use adjustment knob or screwdriver)

Determination of dierential

For KP w/ vapor charge and auto. reset (KP 61, KP 62, KP 63, KP 68, KP 69): Use graphs to determine correct dierential.

Example:

HSP = 5.6 °C (45 °F) => DIFF (from graph):

LSP = 0 °C (32 °F) 7.2 °C (13 °F) (value which has to be

set on di. scale).

For KP w/ adsorption charge (KP 71, KP 73, KP 75, KP 77, KP 79, KP 81):

The dierential will be HSP less LSP

Example: HSP – LSP = DIFF.

7 °C – 5 °C = 2 °C

(45 °F)(35 °F) (10 °F)

Note:

(Load Option A) (Load Option B)

CUT-IN = HSP or CUT-IN = LSP

CUT-OUT = LSP CUT-OUT = HSP

See “Wiring”

4 DKRCC.PI.CA0.C1.22 / 520H8304 © Danfoss A/S (AC-MCI / jmn), 2013-11

Switch position Contacts position

Aut. Automatic control operation

µ Stop 1 and 2 are closed

1. Adjust range spindle to desired 1. Adjust range spindle to desired

HIGH SET POINT (use hand knob) LOW SET POINT

2. Adjust dierential spindle to 2. DIFFERENTIAL is xed.

desired DIFFERENTIAL Value printed on scale plate

Setting

For KP 61, KP 62, KP 63, KP 68, KP 69, KP 71, KP 61 and KP 71 w/man. reset

KP 73, KP 75, KP 77, KP 79 and KP 81 w/auto reset

Note:

To nd correct dierential, see“Determination of dierential”

HIGH SET POINT minus DIFFERENTIAL equals LOW SET POINT HIGH SET POINT minus DIFFERENTIAL equals LOW SET POINT

Example: Example:

HSP – DIFF. = LSP HSP – DIFF. = LSP

7 °C – 5 °C = 2 °C 3 °C – 3 °C = 0 °C

(45 °F) (10 °F) (35 °F) (37.4 °F) (5.4 °F) (32 °F)

KP w/ hand switch CAUTION:

 • Handswitchbreakscircuitbymicrocontactgab.

 • Usehandswitchforserviceonrefrigerationpartsonly

 • Cutoutmainswitchbeforeserviceonelectricalparts

For KP w/ adsorption charge (KP 71, KP 73, KP 75, KP 77, KP 79, KP 81):

The dierential will be HSP less LSP

Example: HSP – LSP = DIFF.

7 °C – 5 °C = 2 °C

(45 °F)(35 °F) (10 °F)

Note:

(Load Option A) (Load Option B)

CUT-IN = HSP or CUT-IN = LSP

CUT-OUT = LSP CUT-OUT = HSP

See “Wiring”

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