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Danfoss KPU 19 Thermostat Installation Guide

Installation Guide  
Thermostat  
Type KPU 19  
Application  
Thermostat bulb types  
KPU 19 thermostats are used for  
temperature regulation in refrigeration,  
freezing, air conditioning, ventilating  
and heating systems.  
Remote bulb  
Air coil/room sensor  
Important  
KPU 19 thermostats are fitted with  
Single-Pole Double-Throw (SPDT)  
or Single-Pole Single-Throw (SPST)  
contact system.  
The KPU 19 thermostat is designed  
only for use as a temperature  
regulating operating control. It is  
the responsibility of the installer  
to verify that other necessary  
safety controls are installed and  
functioning properly as intended  
by the original equipment  
The standard KPU 19 enclosure is rated  
NEMA ~ 1.  
NEMA ~ 1 is obtained when the  
thermostat is mounted on a flat surface  
with all unused holes covered.  
manufacturer or system design.  
Product specification  
Regulating  
Differential  
Capillary  
tube length temperature temperature  
Max. bulb  
Ambient  
Bulb size  
Contact  
type  
Reset  
type  
range  
[°F]  
Type  
Code no.  
∆T [°F]  
[in.]  
x 4 1/2  
[in.]  
[°F]  
[°F]  
3
KPU 19  
KPU 19  
-30 – 80  
3.6 – 12.6  
/
120  
140  
SPDT  
Auto.  
Auto.  
060L2150  
060L2151  
-31 – 140  
8
8
SPST (close  
on temp. rise)  
3
-30 – 80  
-30 – 80  
3.6 – 12.6  
3.6 – 12.6  
/
x 4 1/2  
80  
140  
140  
-31 – 140  
-31 – 140  
Air coil /  
Room sensor  
KPU 19  
-
SPDT  
Auto.  
060L2152  
Dimensions [in.]  
Cover  
Scale Plate  
Mounting Hole  
0.63 0.59  
DIFF.  
Diff. Adjusting  
Knob  
0.14  
Terminal Screw  
Capillary Tube  
0.27  
Grounding Screw  
1.7  
Conduit Rubber  
2.12  
DKRCC.PI.CA0.F2.22 | 1  
© Danfoss | DCS (az) | 2018.10  
GeneralDetails
NameDanfoss KPU 19 Thermostat Installation Guide
MakeDanfoss
LanguageEnglish
FiletypePDF (Download)
File size0.78 MB
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Danfoss KPU 19 Thermostat Installation Guide
Get the free PDF manual for the Danfoss KPU 19 Thermostat Installation Guide and access setup steps, usage instructions, and troubleshooting tips. 👉 View online or download now to keep your thermostat running smoothly!

Danfoss KPU 19 Manual: Questions and Answers

Can I mount a thermostat bulb directly on a cold wall?

No. Mount the unit on an insulating plate instead to avoid incorrect operation. Installation Guide, p. 2

Where is the terminal block on the Danfoss KPU?

Behind the front cover. Remove the cover to access it. Installation Guide, p. 2

How do I secure the capillary tube on a Danfoss KPU 19?

Protect the tube from vibration and damage by proper routing and securing.

  1. When mounted directly on the compressor, secure the capillary tube to the compressor so both vibrate together.
  2. For other mounting, form surplus capillary tube into a loose loop and secure it to the mounting base.
  3. Leave slack in the tube to help dampen vibration.
  4. Avoid sharp bends with radius of 1/2 inch or less.
  5. Do not bend the tube within 1.75 inches from the soldering point at the bulb. Installation Guide, p. 2

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