Dungs AA C2 Series User manual

1 … 4
Karl Dungs, Inc
3890 Pheasant Ridge Dr. NE, Suite 150, Blaine, MN 55449 U.S.A.
Phone: [phone] Fax: [phone] E-mail: [e-mail]
Maximum Operating Pressure   

Ambient / Medium Temperature   

Materials in contact with Gas
  
  
  
Switching contact: Silver (Ag)
Approvals




Approval code G3-0106-191
AA...C2DierentialAirPressureSwitch
InstallationInstructions
SPECIFICATIONS
AA...C2



Gases
Not 

Switch
SPDT
Switch action

Contact Rating   


Electrical Connection

Enclosure

ATTENTION










operation.

leak testing.


operation



NFPA 86, NFPA 160,



Settingrange
in.W.C
0.08 - 0.60
0.16 - 1.20
0.40 - 4.00
OrderNo.
217-333A
217-334A
217-336A
Version



Type
AA-C2-4-...
MODELSDESIGNATIONSANDRANGES

2 … 4
APPLICATIONANDCONNECTIONEXAMPLES
Alwaysconnecthigherpressureto
connectionp1(+).
Alwaysconnecthighervacuumto
connectionp2(-).
Exampleofpressureconnections
higher pressure:

lower pressure:

Systemvacuummonitor
      

connected with the air duct.




Exampleofvacuumconnections
lower vacuum:

higher vacuum:

Filtermonitoring


Blowermonitoring
    -
        
-
nection p2 (-) to the air duct upstream

Connection p2Connection p1
must remain open
Connection p1 Connection p2 Connection p2 Connection p1
SWITCHHYSTERSISANDPRESSURECONNECTIONS
Denitionofswitchinghysteresis∆p

lower switching pressures.
4 x o 0.1
(4 x o 2.5)
0.5 (12) deep

2 … 4
3 … 4
CAUTION: Do not exceed the switch ratings given in






WIRING
CAUTION:-
cal codes, ordinances and regulations.
AA...C2switchingfunction
Aspressurerises:

Aspressurefalls:

MAINTENANCE
Annuallychecktheswitchforproperoperation
SetPointCalibration


-
tacts. If the resistance is more than 1 ohm, the switch

-
izing.







-
tacts. If the resistance is more than 1 ohm, the switch

-
izing.
AdjustingtheSetPoint



turning the dial until the desired pressure is opposite the


see that the pressure switch operates as intended.
OPERATION

the switch to measure the actual pressure.

AutomaticReset




4 … 4
Accessory
Klima-Set (Duct mounting kit)
Replacement cover




Replacement PG 11 conduit adapter
DIN connector (female plug)
Male plug for DIN connector
OrderNo.
217-897
228-732
230-273
231-772
231-774
248-240 
220-566
210-318
219-659
ACCESSORIES