Contact Position
Condition
K-1 Load Relay
Contacts
3 - 4 3 - 5
Red
Lamp
On Shelf (Figure 3).
Open
Closed
Off
Power Applied;
Differential Pressure above
Set Point (Immediate).
Open
Closed
Off
Power Applied; Differential
Pressure above Set Point
(After 8 seconds).
Closed
Open
Off
Power Applied; Differential
Pressure below Set Point
(Immediate).
Closed
Open
On
Power Applied; Differential
Pressure below Set Point
(After 8 seconds).
Open
Closed
On
Model AFS-952 in Standard NEMA-1 rated housing:
• Coated steel finish.
• Shipping Weight:
5 lbs.
K1
L
2
1
TD-1
TD - 1
(8 SEC)
C
NC
NO
LOW
PRESSURE
HIGH
PRESSURE
4
3
5
CONTROL
WITH
DELAY
10 A MAX 720 VA
@ 120 vAC
K1
Figure 3: "Shelf" Condition
CLEVELAND CONTROLS
DIVISION OF UNICONTROL INC.
MODEL AFS-952-B
Remove Plug Button to Adjust
Turn Clockwise to Increase
Operating Set Point.
TD -1
K - 1
Load
Relay
Red
Signal
Lamp
Enclosure
Cover
Low Pressure Inlet
¼ NPT
High Pressure Inlet
¼ NPT
0.281” (7 mm)
mounting holes (4)
AFS-952
.875" hole
accepts
.5" conduit
Plug Button
to access
adjusting
screw
1.75"
(44 mm)
4.38"
(111 mm)
3.59"
(91 mm)
5.88"
(149 mm)
5.25"
(133 mm)
1.00"
(25 mm)
6.00"
(152 mm)
2.31"
(59 mm)
1.25"
(32 mm)
8.00"
(203 mm)
3.56"
(90 mm)
1.44"
(37 mm)
