Donaldson Torit DWS 4-1, Инструкция по установке и эксплуатации

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Donaldson Company, Inc.
Photohelic
®
Gauge
Electrical work must be
performed by a qualified
electrician and comply with all applicable
national and local codes.
Turn power off and lock out electrical
power sources before performing service or
maintenance work.
Do not install in classified hazardous
atmospheres without an enclosure rated for
the application.
The Photohelic combines the functions of a differential
pressure gauge and a pressure-based switch. The gauge
function measures the pressure difference between
the clean and ambient air and provides a visual display
of filter condition. The low-pressure tap is located in
the clean-air plenum on the back of the cabinet. The
pressure-based switch function provides high-pressure
ON and low-pressure OFF control of the filter cleaning
system.
1. Choose a convenient, accessible location on or near
the unit for mounting that provides the best visual
advantage.
2. Mount the gauge to the remote panel or door using
the mounting ring, retaining ring, and four
#6-32 x 1 1/4-in screws. Do not tighten screws.
Connect one 1/8-in NPT x 1/4-in OD male adapter to
the low-pressure port of the gauge. Align the adapter
to the 2.375-in hole in the right-hand side of the
mounting bracket. Tighten screws.
3. Zero and maintain the gauge as directed in the
manufacturer’s Operating and Maintenance
Instructions provided.
1/8-in NPT x 90° male elbow
clean-air plenum
3/8-in flat washer
1/8-in NPT coupling
mounting bracket
#6-32 x 1/4-in
mounting screws
support structure
mounting surface
Photohelic gauge
high-pressure port
low-pressure port
1/8-in NPT adapter
plastic tubing
1/8-in NPT adapter
Photohelic Gauge Installation