Asco RedHat 8314 Series Installation & Maintenance Instructions

Installation & Maintenance Instructions
NOTICE: See separate
maintenance instructions for information on:
Solenoid Temperature, Cause of Improper Operation and
Coil Replacement.

DESCRIPTION

Series 8314 valves are midget 3-way solenoid valves . Valve bodies
are of brass construction. Series 8314 valves may be provided with a
general purpose/watertight, open-frame or explosionproof/watertight
solenoid.

OPERATION

Normally Closed: Applies pressure when solenoid is energized; exhausts
pressure when solenoid is de-energized. Flow is Connection 2" to 1"
when solenoid is energized. Connection 3" is closed. Flow is from
Connection 1" to 3" when solenoid is de-energized. Connection 2"
is closed. Pressure is applied at Connection 2".
Normally Open: Applies pressure when solenoid is de-energized;
exhausts pressure when solenoid is energized. Flow is Connection 1" to
2" when solenoid is energized. Connection 3" is closed. Flow is from
Connection 3" to 1" when solenoid is de-energized. Connection 2"
is closed. Pressure is applied at Connection 3".
Universal: For normally closed or normally open operation, selection or
diversion of pressure can be applied at Connections 1", 2" or 3". Flow
is between Connection 1" to 2" when solenoid is energized.
Connection 3" is closed. Flow is between Connection 1" to 3" when
solenoid is de-energized. Connection 2" is closed. Pressure may be
applied at Connection 1", 2" or 3".
IMPORTANT: No minimum operating pressure
required.
Flow Diagram
NORMALLY OPEN NORMALLY CLOSED
3
1 2 1
DE-ENERGIZED DE-ENERGIZED
3
1 2 1
ENERGIZED ENERGIZED
50 Hanover Road, Florham Park, New Jersey 07932 www.ascovalve.com
MIDGET 3-WAY SOLENOID VALVES NORMALLY CLOSED,
NORMALLY OPEN AND UNIVERSAL OPERATION
3/64I, 3/32I, 1/8I AND 5/32I ORIFICES
solenoid

installation

Wiring,
differential
UNIVERSAL
3
3
2 1 2
DE-ENERGIZED
PRESSURE ANY ORIFICE
3 3
2 1 2
ENERGIZED
PRESSURE ANY ORIFICE
1/8I AND 1/4I NPT
and
Check nameplate for correct catalog number, pressure, voltage,
frequency, and service. Never apply incompatible fluids or exceed
pressure rating of the valve. Installation and valve maintenance to be
performed by qualified personnel.

Temperature Limitations

Valves with design change letter K" or P" within the catalog number
(example: 8314K035) have a maximum fluid temperature of 180_F.
Refer to separate solenoid Installation and Maintenance Instructions
for maximum ambient temperature.

Positioning

This valve is designed to perform properly when mounted in any
position. However, for optimum life and performance, the solenoid
should be mounted vertically and upright to reduce the possibility of
foreign matter accumulating in the solenoid base sub-assembly area.

Piping

Connect piping or tubing to valve according to markings on valve
body. Apply pipe compound sparingly to male pipe threads only. If
applied to valve threads, the compound may enter the valve and cause
operational difficulty. Avoid pipe strain by properly supporting and
aligning piping. When tightening the pipe, do not use valve or
solenoid as a lever. Locate wrenches applied to valve body or piping
as close as possible to connection point.
IMPORTANT: To protect the solenoid valve, install a
strainer or filter, suitable for the service involved, in the inlet
side as close to the valve as possible. Clean periodically
depending on service conditions. See ASCO Series 8600,
8601 and 8602 for strainers.
WARNING:
death, personal injury or property damage, turn
off electrical power, depressurize valve, and vent
fluid to a safe area before servicing the valve.
NOTE: It is not necessary to remove the valve from the pipeline for
repairs.

Cleaning

All solenoid valves should be cleaned periodically. The time between
cleanings will vary depending on the medium and service conditions. In
general, if the voltage to the coil is correct, sluggish valve operation,
excessive noise or leakage will indicate that cleaning is required. In the
extreme case, faulty valve operation will occur and the valve may fail to
open or close. Clean valve strainer or filter when cleaning the va

Preventive Maintenance

S Keep medium flowing through the valve as free from dirt and
foreign material as possible.
SERIES
8314
I&M No.V7533
INSTALLATION

MAINTENANCE

To prevent the possibility of
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lve.