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Installation - Mechanical
Flexible Hose and Hard Pipe
Installation
Use the following procedures to install/ minimize premature
or catastrophic failure of temporary chilled water hose
provided by Trane Rental Services. For more information
please refer to CHS-SVX01*-EN.
CAUTION
Water Damage!
Flexible hose can burst.
Flexible hose should never be used for an indoor
installation. Failure to follow this recommendation
could lead to equipment or property-only-damage.
CAUTION
Hose Damage!
Failure to follow instructions may lead to hose
damage.
Hose must never be pressurized over 150 psi. If
higher pressures are required, "hard" suction pipe
must be utilized.
NOTICE
Hose Damage!
Failure to follow instructions made lead to hose
collapse and total system failure.
Hose must always be used in pressurized application.
If a negative pressure application is required, "hard"
suction pipe must be used.
Flexible Hose Guidelines
NOTICE
Hose Damage!
Failure to follow instructions below could result in
death or serious injury, and equipment damage.
•
Hard pipe is recommended for indoor applications.
•
Do not support the hose ONLY by the couplings. Avoid
clamp failure by supporting half of the hose length on
the ground or other supporting surface.
•
Do not run hose vertically more than 7 feet otherwise
coupling clamps may fail.
•
Do not cut hose to "custom" fit pieces-this will affect the
integrity of the hose.
•
Bleed air from the system prior to pressurizing hose to
avoid couplings separating from the hose.
•
Install elbows for a smooth hose transition on all
vertical hose installations, see
•
Never pressurize hose above 150 psig.
26
Figure 18, p.
26.
•
For installations that required greater than 7 feet
vertical rise, contact Trane Rental Services.
Figure 18. Elbow installation for a vertical hose
45° Elbow
Coupling
Flexible Hose
Horizontal Hose Installation
The figures below illustrate the correct and incorrect
methods for installing hose in a horizontal hookup
application.
Figure 19. Correct horizontal hose installation
In the configuration shown in
or 90° elbow can be installed. This elbow prevents
stretching and crimping of the hose at the hose coupling
connection. This elbow directs the hose to the ground at an
appropriate angle to minimize the crimping of the hose at
the ground or supporting surfaces.
Figure 20. Incorrect horizontal hose installation
In the configuration shown in
not installed. This causes the top of the hose to be in
Existing "Hard" Pipe
<7'
Ground
Figure 19, p.
26, either a 45°
Figure 20, p.
26, elbows are
RTAC-SVX005A-EN
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