Graco CycleFlo [6/18] Installation
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Graco CycleFlo [6/18] Installation

Graco CycleFlo [6/18] Installation
6 309003
Installation
Pneumatic Connections
The integrated air valves (solenoids #1 and #2), lo-
cated on the right side of the CycleFlo enclosure, have
a common air inlet (1/4 in. npt) port at the bottom and
two outlet ports (1/8 in. npt to 1/4 in. elbow tube fitting)
towards the front of the unit. The exhaust is silenced
with a muffler.
Fig. 1
The A and B outlet ports are to be connected to the A
and B ports, respectively, on the Huskyt 205, or to
the two air valve control ports located on the air motors
of pumps larger than the Husky 205. The unit comes
equipped with 1/4 in. OD push-in tube fittings installed
in the A and B ports.
On pumps larger than the Husky 205, a three-way
solenoid valve (Graco Part No. 115605 or equivalent)
should be installed on the main air supply to the pump.
This ensures that pressure is not generated by the
pump when the controller is not operating. The air
supply valve signal output on the CycleFlo controller is
designed to control this valve.
Electrical Connections
WARNING
FIRE, EXPLOSION, AND ELECTRIC
SHOCK HAZARD
To reduce the risk of fire, explosion, or
electric shock:
D The power source conduit is not an
adequate ground for the system. The
unit must be grounded to a true earth
ground.
D A qualified electrician must complete
all grounding and wiring connections
and check the resistance.
D Refer to your local code for the requirements for
a “true earth ground” in your area.
An access hole with a strain relief installed has been
provided for the external power connection. Due to the
unique requirements of each installation, access holes
have not been provided for other optional external
wiring connections. Access holes will need to be added
for the external Air Supply Valve Signal and/or Remote
Run options. Have a qualified electrician determine the
proper strain relief, wire type, and wire size for your
particular application. When positioning or adding
access holes, be careful not to damage any internal
components. Failure to use the proper strain relief,
wire type, and wire size can cause damage to internal
components or personal injury.
The 24 Volt DC Air Supply Valve Signal output is used
to control a three-way valve (Graco Part No. 115605 or
equivalent) on the main air supply of pumps larger than
the Husky 205. This ensures that pressure is not
generated by the pump when the controller is not
operating. Failure to use this valve can cause damage
to the unit and possible personal injury.
WARNING
Failure to use the recommended valve can cause
damage to the unit and possible personal injury.
Follow the pressure relief procedure in the pump
manual before moving or servicing the pump.
The CycleFlo requires 100–240 VAC, 50/60 Hz to
operate. The power input is fuse-protected with a 750
mA fuse (see Fig. 2).
WARNING
When replacing the fuse, make sure to replace it
only with one of equivalent rating. Failure to do so
may cause damage to the unit and possible per-
sonal injury.
Connect power to the unit as described. Always have a
qualified electrician perform wiring connections. Con-
nect Line (L) and Neutral (N) wires to the terminal
block as shown in Fig. 2. The Ground wire (GND) must
be attached to the #10–32 ground stud. A crimp-on
ground wire lug comes attached to the ground stud.
Remove the lug and attach to the ground wire. Re-
place the lug assembly back onto the stud and fasten
down with the kepsnut provided.

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