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Danfoss KPU 19 Thermostat Installation Guide

Setting example (SPDT type)  
Fig. 1  
Fig. 2  
Indictator  
Set at 41 °F for temp. decrease and  
50 °F for temp. increase.  
Contact  
Action  
Upper Switch Point (USP): 50 °F  
Lower Switch Point (LSP): 41 °F  
decreasing  
increasing  
C-L OFF  
C-H ON  
Scale Plate  
C-L ON  
C-H OFF  
41 ºF  
50 ºF Temp. rising  
Differential  
Set point  
Diff. Adjusting  
Knob  
DIFF.  
Diff. Indicator  
The same characteristics is shown on  
the back side of the KPU 19 cover.  
Differential of 9 °F is equivalent to the  
indication 4 set on the Differential  
Adjustment Knob.  
1. Set at 41 °F  
Enclosed accessories:  
Turn the scale plate to match indicator  
pointer with the required value (verify  
with the thermometer)  
Sensor clamp for bulb fastening.  
Blinding sticker to cover the hole  
after dial knob removal. Blinding  
sticker can be used only once.  
Hand knob for adjustment.  
2. Set at 50 °F  
3. After setting, install the cover and  
supply power supply for checking  
the actual switching points. Adjust  
the setting if necessary as scales are  
indicative only.  
Calculate the differential between USP  
and LSP (Differential = USP – LSP;  
50 °F - 41 °F = 9 °F ).  
Find the proper Differential  
Adjusting Knob position from the  
characteristic presented on the graph  
"Determination of differential ".  
Note  
Scale values are indicative only. It is  
often necessary to use a thermometer  
when setting working points.  
DKRCC.PI.CA0.F2.22 | 4  
© 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