Types GSG-1,2,3 GHG-1,2,3,4,5,6
Class 9013
PRESSURE SWITCH
Replaces Class 9213 Types DSG, DHG
TYPICAL WIRING DIAGRAMS -- Class 9013
ELECTRICAL RATINGS
POLYPHASE
VOLTAGE
DC
SINGLE PHASE
1 HP
2 HP
3 HP
110
1 HP
5 HP
3 HP
220
----
5 HP
440-550
5 HP
----
----
HP
32
1/2
INSTRUCTIONS
WORKING RANGE (Large Spring) -- Switches are set at the factory os indicated on
the name plate. If it is desired that the switch operate at higher pressures, turn the
range spring nut down in order to compress the range spring.
The reverse of this
operation will lower the operating pressure.
DIFFERENTIAL (Small Spring) -- Pounds pressure between "Open" and "Close" is
T O increase the differential turn down differential
referred to as the differential.
By backing off this nut differ-
nut which increases tension on differential spring.
ential will be narrowed. (Differential adjustment affects cut-out paint only).
RELEASE VALVE ADJUSTMENT -- With contacts open, turn clockwise on adjusting
screw (8) to a point where valve just begins to bleed, then turn screw in an addi-
tional 11/2 turns.
MOUNTING -- The Class 9013, all types, may be mounted in any position directly
cm a pipe.
Use o wrench on the hexagon flange nut (Port No. 9) when fastening
to pipe.
MOTOR PROTECTION -- A pressure switch of this type does not of afford motor
protection. However it is quite frequently used as a pilot to operate o starter pro-
T h i s company manufactures a complete line of
viding these desirable features.
motor protective switches, information on which will be sent upon request.
U. L. LISTED -- These devices are approved by Underwriters Laboratories with or
without Forms D, P, X, Z or combinations thereof.
