Graco SaniForce SDU Series Manual page 72

Schematic (electo-pneumatic control)
RV2 (SOME MODELS)
PRESSURE RELIEF VALVE
85/100/1 30 P SI
PUMP
P2
FR1
3
1/2" TUBE (R)
2 (A)
1
(P)
RAM
FR2
3/8" TUBE
3 (E XH)
2 (O UT)
1 (S UP)
SEAL
FR3
3 (E XH)
3/8" TUBE
2 (O UT)
1 (S UP)
All fittings and connections emerge from the bottom
of the control panel.
72
SV1
12
1 2
SV2
12 12
82
1 2
FC1
3
FREE FLOW
UP SPEED
14
FC2
84
FREE FLOW
82
12
FC3
FREE FLOW
DOWN SPEED
14
84
82
12
5/32" TUBE
1/2" TUBE
3/8" TUBE
3/8" TUBE
SV4
14
3
5
4
2
1
3 2
12
SV3 SV6
3/8" TUBE
PRESSURE SENSOR
PS2
SV5
14
5
4
1
2 3
SV7
12
3/8" TUBE
PRESSURE SENSOR
PS1
PUMP
PUMP CIRCUIT
EXHAUST
RAM DOWN
(CONNECT TUBING TO
CYLINDER TOP)
RAM UP
(CONNECT TUBING TO
3/8" TUBE
CYLINDER BOTTOM)
AIR ASS IST
3/8" TUBE
RAM CIRCUIT
EXHAUST
3/8" TUBE INFLATABLE
SEAL
SEAL
CIRCUIT EXHAUST
EXHAUST/
DRAIN PORT
CONTROL BOX
AIR SUP PLY
(1/2" NPT-F)
3A5402J