Product Overview

Installation Instructions SEC99 Series
Issue Date January 11, 2006
© 2005 Johnson Controls, Inc. 1
SEC99A UltraCap Armored Capillary
and SEC99B UltraTube Armored Tubing
Application
!
CAUTION: Risk of Personal Injury and
Environmental Damage
Do not use the SEC99A UltraCap or SEC99B
UltraTube in applications that expose the UltraCap
or UltraTube assembly to ammonia or any other
substance that is corrosive to copper or brass.
Corrosion of the copper or brass components can
result in the discharge of refrigerant that is under
pressure, which can cause personal injury and
environmental damage.
Part No. 24-7664-1857, Rev. D www.johnsoncontrols.com
The SEC99 Series UltraCap and UltraTube provide
pressure connection for refrigeration and air
conditioning applications. The SEC99 models are
compatible with all common noncorrosive refrigerants.
Several models and styles are available. See
Table 1.
The SEC99A UltraCap has a capillary tube that
minimizes pressure pulsation. The SEC99A UltraCap
has brass-colored flare nuts on the fitting connectors.
The SEC99B UltraTube has a 1/4 in. tube that allows
more fluid flow. The SEC99B UltraTube has
silver-colored flare nuts on the fitting connectors.
The brass-armored sleeve on all SEC99 Series
models provides resistance to abrasion and facilitates
routing, coiling, or bending of the capillary or tube. The
copper capillary or tube inside the armored sleeve
does not effuse refrigerant to the environment. Some
models have a breakaway Integral Schrader® valve
depressor in the flare fitting.
Installation
Follow these instructions to install an SEC99 Series
UltraCap or UltraTube:
1. Uncoil the capillary or tube as needed (
Figure 1).
2. Hand-start the flare nuts to avoid damaging the
fitting threads.
Note: If the fitting flare nut cannot be tightened on
to the male flare fitting, it may be necessary
to remove the Schrader valve depressor.
See Removing the Breakaway Schrader
Valve Depressor.
3. Use a 5/8 in. wrench to tighten the flare nuts. Do
not apply more than 10 lb·ft (13.6 N·m) of torque.
4. Check all fittings and connections for leaks before
placing the system into operation.
!
CAUTION: Risk of Environmental and
Property Damage
Avoid sharp bends in capillary tubes. Sharp bends
can weaken or kink capillary tubes which may result
in refrigerant leaks or restrictions of flow.
!
CAUTION: Risk of Environmental and
Property Damage
Coil and secure excess capillary tubing away from
contact with sharp or abrasive objects or surfaces.
Vibration or sharp or abrasive objects in contact with
capillary tubes can cause damage that may result in
refrigerant leaks, which may result in damage to the
environment or property.
90 Fitting
o
Straight Fitting
SEC99_01
Figure 1: SEC99 Installation Requirements
Removing the Breakaway Schrader Valve
Depressor
If you cannot hand tighten the SEC99 flare nut onto
the male flare fitting, remove the snap-off Schrader
valve depressor as follows:
1. Insert the tip of a pair of needle-nose pliers as
shown in
Figure 2.
2. Apply firm pressure to snap off the Schrader valve
depressor.