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  3. 2374-510 Universal Air Pressure Sensing Switch

Robertshaw 2374-510 Universal Air Pressure Sensing Switch User manual

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INSTALLATION DATA
2374-510
UNIVERSAL AIR PRESSURE
SENSING SWITCH
GENERAL DESCRIPTION & OPERATION








SET POINT RANGE & ADJUSTMENT

/
 



 

 /






Do not place the switch in operaon without knowing
what the set point is: doing so could create a hazardous situaon.
MOUNTING







ELECTRICAL CONNECTIONS



1
CARTON CONTENTS









AIR SAMPLING CONNECTION

/


Posive Pressure Only:

Negave Pressure Only:

Two Negave Samples:

Two Posive Samples:

One Posive and One Negave:

USING A FLOW-RESTRICTING ORIFICE







2
DANGER
CARBON MONOXIDE GAS IS DEADLY
EXCESSIVE CARBON MONOXIDE EXPOSURE
CAN CAUSE BRAIN DAMAGE OR DEATH.




Carbon monoxide







Remember:
 


 

 


 


 
 

 

 







TABLE 1: MODEL SELECTION
P/N 2374-510 Kit 
TABLE 2: SPRING SELECTION
Color Set Point Range ("W.C.)
 
 
Yellow 
 
 
TABLE 3. ORIFICE SELECTION
Color Diameter
Green 
Gray 
 
 
Figure 2. Without pressure applied to the diaphragm,
switch contacts are in the posion shown.
Figure 3. Standard integral connector accepts /" ID tubing.
3
Figure 1: Dimensions NS2 Switch with integral connectors and mounng feet
Figure 4: Half Strap Bracket
Figure 5: "L" Bracket












©2015 Robertshaw

4
ADDITIONAL KITS FOR HVAC
APPLICATIONS!
The New Sensing Probe Kits


The Robertshaw® Air Pressure Sensing Switches



 


 


 

ROBERTSHAW SENSING SWITCH
TECHNICAL SPECIFICATION
MATERIAL
 
 Silicone
 
 
OPERATION
 
 
 
 
 

 

polycarbonate
 
ELECTRICAL
 

/




 
 

GENERAL
 

Accessories 
/