Section III - Installation
14 Quincy Compressor-QSI
®
expansion loops or bends should be installed to prevent
undue stress at the compressor resulting from the changes
mounted independently of the compressor and anchored,
as necessary, to limit vibration and prevent expansion
Relief Valves
Never change the pressure setting or tamper with the
DANGER!
Relief valves are to protect system integrity in ac-
cordance with ANSI/ASME B19 safety standards.
Failure to provide properly sized relief valves will
result in death or serious injury.
Relief valves are to be placed ahead of any potential
blockage point that includes, but is not limited to, such
threaded directly into the pressure point it is sensing, not
connected with tubing or pipe and pointed away from any
Figure 3-1. Relief Valve
Electrical
Before installation, the electrical supply should be
installation, a suitable fused disconnect switch or circuit
unbalance (5%) between the legs must be eliminated and
any low voltage corrected to prevent excessive current
electrical controls must be in accordance with National
-
Air
compressors must be grounded in accordance with
applicable codes. See control panel for the proper wir-
Quincy would like to emphasize the importance of
common practice of grounding units to building structural
steel may not actually provide adequate grounding pro-
CAUTION!
NEMA electrical enclosures and components
must be appropriate to the area in which they
are installed.
Pneumatic Circuit Breakers or Velocity Fuses
The Occupational Safety and Health Act, Section
“all hoses exceeding 1/2” inside diameter shall have a
safety device at the source of supply or branch line to re-
safety devices are designed to prevent hoses from whip-
Guards
All mechanical action or motion is hazardous in vary-
comply with OSHA Safety and Health Standards 29 CFR
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