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upon customer’s detailed knowledge and experience with their application.
SERIES 63 N4/N7 Installation, Operation & Maintenance Manual
Manual Number OM-63/N4-N7-001
Date: August 12, 2020 Page 1 of 3
Bray Series 63-N4/N7 Installation & Maintenance Instructions
General Purpose/Rain Tight/Water Tight and Rain Tight/Water Tight/Explosion Proof
For S63-N4 see O&M Instructions for information
on: Operation, Positioning, Mounting, Cleaning,
Preventive Maintenance, Causes of Improper
Operation, Disassembly, and Reassembly of basic
valve.
DESCRIPTION
S63 N4/N7 Solenoid coils are thermoplastic
encapsulated pull-type for use with Bray solenoids.
These solenoids have three lead wires with one wire
for grounding and a ½ NPT male conduit connection.
S63 N4 Solenoids are designed to meet Enclosure
Type 1-General Purpose, Types 3 and 3S-Raintight,
and Types 4 and 4X-Watertight. S63 N4/N7
Solenoids meet Enclosure Types 3 and 3S-Raintight,
Types 4 and 4X-Watertight, Type 7 Explosion proof
Class I, Division 1, Groups A, B, C, & D and Type 9
- Dust - Ignition proof Class II, Division 1, Groups E,
F, & G.
STORAGE
Bray Series 63 N4/N7 are not weatherproof until
the unit is properly installed, or all conduits and
applicable port connections are sealed off and
prepared for storage. The units may be shipped with
temporary covers to prevent foreign matter from
entering through the conduit openings; however,
the user is responsible for replacing with the proper
sealing plugs to support its NEMA/IP ratings.
To prevent condensation from forming inside the unit,
maintain a near constant external temperature and
store indoors in a well ventilated, clean, dry room.
The temperature shall be between 40°F (4°C) and
85°F (29°C), with a relative humidity less than 70%.
Store units away from vibration and direct sunlight
exposure, and place units on a shelf or wooden pallet
in order to protect against dampness. Keep units
covered to protect against dust and dirt; if storing for
long term, placing the unit inside a plastic sealed bag
may be preferred.
Bray cannot accept responsibility for deterioration
caused on-site once the cover is removed or due to
improper storage
.
OPERATION
When the solenoid is energized, the core assembly
is drawn into the plugnut/core tube sub-assembly.
When the solenoid is de-energized, spring force
returns the core assembly to the original position.
Enclosure Types 7 and 9 Only
!
CAUTION
To prevent fire or explosion, do not install solenoid
and/or valve where ignition temperature of
hazardous atmosphere is less than 160° C. Open
circuit before disassembling.
Positioning
Solenoid may be mounted in any position.
Valve Mounting
The solenoid is assembled onto an actuator and is
rigidly supported using the actuator body mounting
provisions.
!
CAUTION
Solenoid coil wiring must be carried out by trained
personnel.
Wiring
Wiring must comply with local codes and the
National Electrical Code. The solenoid is provided
with lead wires and one grounding wire, which is
green or green with a yellow stripe. To facilitate
wiring, the solenoid may be rotated 360° in 90°
increments. To rotate solenoid, remove the four
mounting screws, reposition solenoid and replace
screws. Torque screws evenly in a crisscross manner
to 12 in-lbs [1.3 Nm].
