Danfoss KP 61 Temperature Switches Thermostat Installation Guide

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Installation guide  

Thermostat  

Types KP 61 - KP 81  

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)  

Types  

Bulb types  

Auto reset  

Manual reset  

(w/o hand knob)  

Auto reset  

w/ hand switch  

Varpor charge  

Adsorption charge  

Mounting requirement  

Max. bulb temperature  

Ambient temperatures  

KP 61, KP 62, KP 63 Max.  

KP 68, KP 69 : 120 °C (250 °F)  

Varpor charge  

min. -40 °C (-40 ° F)  

max. 65 °C (150 °F)  

KP 71, KP 73: 80 ° C (175 °F)  

KP 75  

KP 77  

KP 79  

KP 81  

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:

:

:

110 °C (230 °F)  

t2  

t1  

130 °C (265 °F)  

150 °C (300 °F)  

200 °C (390 °F)  

t2 ≥ t1 + 2 °C (3.5 °F)  

Varpor charge  

Adsorption charge  

Enclosure  

max. 1/8 in.  

(3 mm)  

CAUTION: The mounting panel must be  

Drip proof IP30  

(EN 60529)  

10 – 32 UNC  

plane to avoid damage of control.  

Cable entry  

Required cap. tube length on evaporator  

Cable entry  

1/2 in. int.  

thread accepts  

1/2 in. NPT or NPS  

80 in. cap. tube: min. 16 in.  

196 in. cap. tube: min. 22 in.  

© Danfoss A/S (AC-MCI / jmn), 2013-11  

DKRCC.PI.CA0.C1.22 / 520H8304  

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General	Details
Name	Danfoss KP 61 Temperature Switches Thermostat Installation Guide
Make	Danfoss
Language	English
Filetype	PDF (Download)
File size	0.74 MB

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• ALL THERMOSTAT INSTRUCTIONS & USER MANUALS
• Danfoss

Danfoss KP 61 Temperature Switches Thermostat Installation Guide Overview

Summary of Contents

• Page 1: Installation guide Thermostat Types KP 61 - KP 81 Vapor charge Adsorption charge (cross ambient) Mounting requirement Max. bulb temperature Ambient temperatures Drip proof IP30 (EN 60529) Cable entry Required cap. tube length on evaporator
• Page 2: Load Option A Load Option B Wiring CUT-OUT on temperature drop Wire terminals 1 - 4: CUT-OUT on temperature rise Wire terminals 1 - 2: CUT-IN = High Set Point (HSP) CUT-IN = Low Set Point (LSP) 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. 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) CAUTION: Use terminal screws furnished in the contact block. Use tightening torque 20 lb. in. (2.3 Nm). Use copper wire only. Contact load ratings The free terminal can be used for signal purpose. Manual tripping (Electrical contacts/wiring test)
• Page 3: Adjustment spindles location Remove lockplate before thermostat adjustment. Replace lockplate after adjustment (if desired). Range See printed instruction on top of control. Differential Increase temp. (warmer): turn CW. Decrease temp. (colder): turn CCW (use adjustment knob). Determination of differential For KP with vapor charge and auto reset: Use graphs to determine correct differential. Example: HSP = 5.6 °C (45 °F) => LSP = 0 °C (32 °F). For KP with adsorption charge: The differential will be HSP less LSP. Example: HSP 7 °C – LSP = DIF = 2 °C.
• Page 4: Setting for KP models includes adjusting the range spindle to desired high and low set points. The differential spindle should be adjusted to the desired differential, which is fixed and printed on the scale plate. To determine the correct differential, subtract the differential from the high set point to find the low set point. Examples illustrate how to calculate the low set point using specific high set point and differential values. A caution is provided regarding the use of the hand switch, which breaks the circuit by micro contact gap. The hand switch should only be used for servicing refrigeration parts, and the main switch must be cut out before servicing electrical parts. The switch position indicates automatic control operation. Contacts position shows that stops 1 and 2 are closed. The document includes a reference code and copyright information.